Focal Length Explained for Wildlife Photography - How Converters and Sensor Sizes Work in The Field
ฝัง
- เผยแพร่เมื่อ 25 มิ.ย. 2024
- I talk about lens size, teleconverters, sensor size, cropping and distance to subject and how they all alter the size of the bird in the frame. I then demonstrate the theory out in the field and take a number of photos of birds at different focal lengths with different cameras to see the real-world differences. I also show that size doesnt always matter and you can take beautiful wildlife shots with shorter focal lengths.
Thank you to everyong who particiapted in my polls and thanks for watching and please feel free to leave a comment.
Cheers, Duade
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Timestamps:
0:00 - Focal Length Introduction
1:44 - Focal Length Explained
6:51 - Teleconverters
11:01 - Sensor Size
15:02 - Cropping
16:20 - Subject Distance
18:43 - In The Field Demonstration
24:09 - Summary of Field Tests
25:06 - Focal Length Conclusion
25:47 - Outtakes
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Music
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Artist: Chris Haugen Fresh Fallen Snow
Title: Fresh Fallen Snow
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The quality of this video and the explanation of those 5 points is insane. I knew almost everything other than sensor size so I can say confidently that your delivery was too good. Great job Duade!
Thanks Vaibhav, I appreciate the feedback, Cheers, Duade
Your photography explaning is On Point! It is so easy to understand from your videos! Thank you
Thank you, glad to hear they are helpful, Cheers, Duade 👍
I have never been disappointed seeing your videos, either I learn something or consolidate the existing know-how.
Thanks Vimal, great to hear, I'm happy to help. Cheers, Duade 👍
Good video, as always. As an amateur wildlife photographer I’ve seen most of the free content on TH-cam both in Spanish and English trying to learn, and yours is definitely one of the bests. Congrats!
G'day Fernando, thank you very much for the kind feedback, I appreciate it. Cheers, Duade 👍
Thank you so much for this excellent video. It makes it much easier for me to buy my new Photogear 👍😀 AMAZING VIDEO!!!
Thanks Der, I appreciate the feedback, good luck with your camera gear purchase. Cheers, Duade 👍
Learnt some really valuable lessons, Daude. Thank you. Please do keep producing more videos.
Thanks Simon, glad you are enjoying the videos, I will be sure to keep making them. Cheers, Duade 👍
Brilliant, patient, calm and very informative! Thank you 😊
G'day Paul, my pleasure, Cheers, Duade
Hello Daude,
Was eagerly waiting for this video, Its very informative and your detailed comparison and live testing gives a very good idea.
Thanks for all your videos.
Cheers,
G'day Riyaz, thanks for the feedback, I'm glad you are finding it helpful. Cheers, Duade 👍
Another informative video.
Using your 40D really highlights it is not the only the latest and greatest equipment that makes a great picture its little things like the number of steps to your subject. Twenty five to thirty feet sounds like a lot of backyards where you can practice, practice, and practice and have a reasonable chance of getting some great shots with a reasonable investment. Then the big lenses and high megapixel cameras will come!
Great comment and I agree completely, good luck. Cheers, Duade 👍
You're the best, excellent videos, your channel is undervalued, continue with this awesome material
Thanks Alonso, you are too kind, Cheers, Duade
Thanks, Duade! I'm currently shooting a Nikon D500 with the Nikkor 200-500 f/5.6 and I am improving my keeper rate on birds, especially birds in flight. I love your work on this channel and it is helping me to improve my photography!
G'day Gordon, you have probably one of the best valued birding kits available, good luck with your birding, Cheers, Duade 👍
Great explanation of complex info Duade. I finally understand why using an extender at times impacts on autofocus.
Thanks Ruben, glad the video helped your understanding, thanks for the continued support. Cheers, Duade
Thank you so much for sharing your expertise! You have quickly demystified important learning for me that I have struggled with for over a year. 👏
G'day Annette, I am happy to hear you found the video helpful, Cheers, Duade
One of the best explanations of focal length I have seen, great video and thanks Duade!
G'day Andy, I'm glad you enjoyed it, thanks for the comment. Cheers, Duade
Great..! I'm improving my photography skills from your video's.. thanks..
Great to hear Smitha, thanks for the comment. Cheers, Duade 👍
Great video. Thanks Duade.
G'day, my pleasure, Cheers, Duade 👍
Great explanations, thanks Duade
G'day, my pleasure. Cheers, Duade 👍
Great video as always mate !!!!
Thanks Matthew, I appreciate the ongoing support, Cheers, Duade 👍
Well done, well explained, Duade......All important concepts to understand to make your photography better...thanks
G'day Stan, thanks for the comment, Cheers, Duade 👍
Love your videos! Cant wait for the next one. Cheers from Norway.
G'day Charlotte, thank you very much for your comment, I haven't started the next video yet :-) I best get busy. Cheers, Duade
Lol, I have a few videos in mind so will start my research. Cheers, Duade 👍
Great video. So glad I found your channel. Appreciate your efforts. Looking forward to more. Best wishes.
G'day Sean, great to have you along, thanks for the feedback, Cheers, Duade 👍
Many thanks for your work Duade , much appreciated stay well fella ;)
Thanks for your comment, yes crazy times indeed. Cheers, Duade
Another terrific common sense, plain language explanation and demonstration. Fantastic effort, Duade 👏👏👏
Thanks Craig, I appreciate the ongoing support. Cheers, Duade
Great video mate! Having those Jacky Winters is so nice and helpful :D
Thanks mate, yes very lucky to have such good models. Cheers, Duade
Huge fan of yours Duade, just upgraded to a Canon EOS R and am always looking for more of your super videos to learn from, what a star you are
Thanks Mick, congrats on the new camera. Cheers, Duade 👍
Great summary of this issue with well thought out an executed graphics. Good job.
Callline, I'm glad it was useful, Cheers, Duade
Great video
I use Pentax crop sensor cameras I found the speed and accuracy of the autofocus is also a factor my old Tamron 75- 300 screw drive zoom was useable but my new Pentax 55-300 PLM focuses almost instantly so much easier to use. I was unaware until this year that autofocus and exposure were not tied together as I once thought . I bought my first digital camera in 2005 it took me 15 years to understand this simple fact you need to set each separately.
Thanks for your detailed comment, great to hear your 55-300 focuses well. I am learning things all the time, I don't think we ever stop learning which is what makes photography such an interesting hobby. Cheers, Duade
Good man Duade another good video
Thanks Martin, I am happy you enjoyed it, Cheers, Duade
Brilliant. Thank you...
G'day Ben, my pleasure. Cheers, Duade 👍
A great demonstration. Thanks.
I think APS-C is the sweet spot in sensor size with a crop factor that keeps the glass affordable and pixels big enough for adequate low light performance.
G'day Ern, yes APSC has its advantages and cost is a big one. It will be interesting to see if Canon do make an APSC RF mount or not. Cheers, Duade 👍
I know this is an older video, and I don't know if you'll see this comment. But I wanted to comment to thank you for the information, and confirm that the TC used on mirrorless is excellent. I have a Nikon Z6ii, an F mount Nikon 200-500-f5.6 used with the FTZ adapter. I debated about getting the F mount TCs, as I read and saw on other videos that it wouldn't work. After watching your video, I decided to give it a try, and would just return it if it didn't work. Well, let's just say that I'm keeping them. I got a 1.4 and a 2.0. Both are excellent, with full AF functionality and tracking. The 2.0 makes the lens a 400-1000_f11, but as your other video proved, F11 is fine for most scenes, configurations and settings. Sure, a bit more noise, but Topaz DeNoise or Lightroom or Photoshop can fix most, if not all of it in post. Much happier with the 200-500 capabilities with the extended range. I also have the Z 70-200_F2.8 S and the Z mount TC-20, and that is an excellent combo when I don't need as much reach, or the light levels are a bit lower. So, in summary, Mirrorless and using TCs is a great solution, and will keep me from having to spend $6K, $10K or even $14K on a Super Prime for a long time.
Thanks for sharing your experience Andrew, that is great it is working well on mirrorless. My old 400 5.6 is also working well on the R6. Cheers, Duade
Your videos are super informative and educational, let alone amazing. Thanks for your hard work 🙌🔥🙏
Nehal, it is my pleasure, Cheers, Duade
Great vid as always.. Cheers 👍
Thanks for the continued support Manash, Cheers, Duade
Excellent explanatory video Duade most encouraging. I use a Pentax crop K5IIs + *300 f4 lens and have locked my exposure to my focus point and am getting the best results in TAv mode with iso floating to 3200. For stills; centre point AFS focus & recompose and bifs AFC centre group with hand off tracking about the centre point.
Thanks Dean, thanks for sharing your settings. Cheers, Duade
Pure gold
Glad it helped, Cheers, Duade
Super helpful. Thank you.
G'day Prashant, my pleasure, Cheers, Duade 👍
I'm very glad I found this channel. One of the better birding channels around. You deserve more subs. Keep up the good work.
Thanks Tommy, I appreciate the feedback, Cheers, Duade 👍
@@Duade keep up the great work. !
Another very informative video - Thankyou.
G'day Tony, thanks for the ongoing support, Cheers, Duade
Great video. Very well explained. Excellent summary for beginners.
Thanks Denis, I appreciate the feedback, Cheers, Duade 👍
Great video as always Duade! Will you please make a review on Sigma 150-600?
Thank you🙂
G'day Abhignan, I would love to try out that lens, hopefully one day Sigma will send me one to test. Cheers, Duade 👍
Thanks for all the usual info.
G'day Tosh, my pleasure, Cheers, Duade
@@Duade Hi Duade. Having discovered your channel I'm going through all your videos, but can I ask you for some advice? I have the EOS R and am thinking of getting one of the new Canon F/11 lenses. I initially thought the 800mm lens would be best because it would give me that extra reach, but I've gradually begun to think the 600mm might be the better choice. The 600mm has a minimum focal distance of 4.5mm instead of the 6m of the 800mm so it'll be easier to get shots of birds, squirrels, and hedgehogs in my garden. It'll be easier to keep the 600mm steady when handheld (no IBIS on the EOS R). And the 600mm will probably be the more useful lens overall. Also, since I've got 30MP to play with on the ES R I was thinking I could crop into the image to effectively get the same magnification as if I were using the 800mm. So, for wildlife photography in general, which of these two lenses would be the better choice? Thanks.
G'day Tosh, it is a really tough decision to make. I don't think they are the right lens as your only birding lens. Ideally you would have a 100-400 or another zoom to shoot in lower light and when you can get close to the subject as the MFD will be restricting even at 4.5m, 6m is almost unusable imo. The 600/800 will be good in sunlight and where you don't have to get close to the subject, such as setups or for skittish birds. But you won't be able to use that lens all that well with flowers, butterflies, reptiles and birds that come close to you. Good luck in your choice. Cheers, Duade 👍
Absolutely fantastic video clips.. hope easily too many doubt clear for beginners.
Thanks for the support Asif, Cheers, Duade 👍
Great stuff! Watching with a nice cup of tea!
Great to hear JP, it was a little long so I hope the tea stayed hot enough. Cheers, Duade
Duade Paton brill video buddy 👌👍 love my canon 600 prime but my 100-400 is a great tool for the job, I’m hovering over the new 100-500 and R5 at the mo too lol 😂
@@JPLamoureuxsTravels Yes that is the kit I would go for, with TC you have a lot of flexibility, and a lot of crop room also. Hopefully I get to try it out and see how good it is. Cheers, Duade
Duade Paton then I need to get out to See those fairy wrens! Love those little birds 😁👌
brilliant!!
Thanks Gosse, Cheers, Duade
I really loved the way you explained the focal length and the final results that can be had thank you very much for your nice video God bless you, I'm looking forward for more of these videos from you.I am an amateur wildlife photographer from India volunteering for WWF
G'day John, thank you for your kind comment. Cheers, Duade 👍
I’ve binge watched at least 5 of your videos today! Yours is Highly underrated channel but I have no doubt in my mind that you’re going to be HUGE. Would love for you to try out some MFT gear some time. I have a feeling you’d have some interesting observations. Eagerly waiting for your next upload :D
G'day, you are too kind, thank you for the positive feedback and I hope you found the videos useful. I would love to try the Olympus and Panasonic kits, just need to find a company that will supply them to me to test. Cheers, Duade
Took me half a second for my brain to kick in and realize the MASSIVE size difference between the lenses at only slightly longer reach at 5:18 was because of the lens hood haha.
Lol yeah the lens hood does add some length. Cheers, Duade
Hi Duade, just got Sigma 100-400mm for my Leica SL2. Will test it soon.
Good luck, Cheers, Duade 👍
Duade Paton thanks.
The Canon RF 100-500mm f/4.5-7.1 l is USM zoom lens works great on the R5 even with the RF 2X extender. The zoom range is 600-1000mm so I have essentially at 10x zoom range with this setup. Autofocus still works well, even Eye Detect setting. I take a lot of shots at our wildlife refuge which requires me to stay in my car so the extra length is very helpful. By the way, I’m so grateful for the amazing videos you’re posting. I can’t imagine how much work it takes to put together such wonderful tutorials. How can I support your work?
Aytch, welcome to the channel, I am happy you are finding the videos helpful. I agree the eye af really is amazing. You are supporting the channel by watching the videos however if you want to provide a financial support you can become a member th-cam.com/channels/7cMXJb97jITBo5jMBdAsTw.htmljoin which is around the cost of a coffee every month. Or you can make a donation via paypal, link in the description. Thanks in advance.
Cheers, Duade
Very super
Thanks Josef, Cheers, Duade 👍
Great video
Thank you. Cheers, Duade
Great video learned a lot, I’m using canon 80d with canon 100-400mm ii I should be happy with it.
G'day, yes that is a great kit to take some lovely bird photos. Cheers, Duade 👍
I want to learn this hobby I'm practicing with plants now hahaha something that dont move. This is quite technical for me, but still like how u explaining it. I have to come back and listen with an devided attention.
G'day Kolap, good luck with the plants, a great way to learn your settings and try different things. Cheers, Duade 👍
I shoot with a Canon 77d and a 18-300 sigma and a 150-600 sigma also a 55-250 canon , love my photos.
G'day Dean, sounds like you have plenty of options there. Great to hear you enjoy taking photos. Cheers, Duade
Duade another great video thanks I just want to be able photograph those penguins
Thanks Andrew, yes that was an amazing trip that is for sure, I would love to get back down there for another visit. Cheers, Duade
Hi duade nice great photo of yours. Truelly inspiring. I just want to ask what teleconverter should i used for my canon 7d original and 400mm f5.6 lens? Thanks.
Marlon, you can use a Canon 1.4 v3 extender however the lens does become a 560 f/8. And to increase sharpness you need to stop down to f/10 so you will need a lot of light to make this combo work. The AF slows down and the IQ takes a hit. To be hones I rarely used the converter when I had that combo, I only used it in morning light and if I couldn't get close. Cheers, Duade
Waiting for your new video Duade!
Hi Abhignan, I'm working on one now. Cheers, Duade 👍
@@Duade Awesome! Waiting for it👍
Great informative and well explained video, as usual Duane. By now, I've seen all your videos including some of your cameo's in Jan's video's :-) At 17:45 where you and Matt are laying in muck, how do you keep your hands clean/dry to operate the camera? Keeping a towel in a dry-bag or in the gimbal pan or on a Boogie board (my project from one of your videos) all have their pros and cons....any suggestions, especially when having to move around at one photo location?
G'day Ted, thanks for the continued support, I appreciate it. Great question re keeping hands clean. A drybag is a good idea as it can keep extra batteries, memory cards. I usually just wiped my hands on my clothing to be honest. The cameras are very tough and if I do get sand or mud on it I clean afterwards. It comes down to time for me, if I'm crawling and getting close I often don't have time to open a bag and clean my hands, I need to take the shot instantly when I stop.
I always have a larger drybag with me which has my keys, phone, water, towel etc. I will often just leave this on my back if it's unsafe to leave on the ground. Cheers, Duade 👍
This was awesome! Super breakdown.
Thanks Josh, I am glad you enjoyed it. Cheers, Duade
Thanks for this insightful video Duade...very well explained....but tell us one secret..how did you get so close to the bird @ 22/23 min- did not they just fly away seeing you ...
G'day Sushant, I wish all birds were like that, I am lucky that they have become used to me and allow a close approach. Cheers, Duade
Amazing video. I bought a 300mm MFT olympus lens (which equates to 600mm).
After spotting a bird, by the time I find the approximate area where the bird is standing with the zoom lens, 45 minutes later that is, the bird is obviously gone. How can I use a zoom lens successfully it is so much hard work to aim it in the right place.
G'day, yes it can be very difficult to find the birds and then approach them. Sometimes finding tame birds in local parks, ponds are an easier way to photograph birds. Also setting up a birdbath is a good idea. Also trying to predict where a bird will go can help as they often return to the same perches. Cheers, Duade 👍
I use a 600mm focal length as well and my subjects are fast and skittish, I bought the Olympus EE-1 red dot sight and it changed my view on birds (and fast flying fighter jets) literally - no pun intended. I use the red dot sight interchangeably on my Canon R5 and my Oly E-M1 2 - you just have to align the red dot to your general distance of the subjects at the start of the shoot and it helps in spotting and reducing the time it takes to acquire the subject in the VF or track flying birds in flight...
Hi Duade, where do you put the mealworms when you attract the birds? (on the perch, on the rocks, etc) Also great video :)
It depends, if I want the birds directly on a rock then I will place them on a rock. With the perch you can place the worms on the perch, but they often fall off. If you give the birds something to perch on and look around they will often choose that. It is a bit of trial and error with different birds. Cheers, Duade
I really enjoyed this episode. When the R7 is out - what I am interested in is how many pixels of my subject do I get on an R7 compared to R5 and R6 at the same focal lenght.
Per, it all depends on the MP of the R7, if it is the same as the 90D it will be 32mp, the R5 is around 17mp and the R6 around 7MP at the same effective focal length. Cheers, Duade
Hi Duade ... Really enjoying your TH-cam videos.
Quick question: Have you tried the 1.4 teleconverter on the Canon 100-500 and if so what are your thoughts. Specifically thinking of lens sharpness as I love how sharp the lens is without the converter and how quickly it focuses (any issues). I do understand that at 500 I will be looking at F10 and that the converter only works from 300 - 500...
Looking forward to hearing your thoughts.
Thanks
Tim
Tim, I suspect it will work fine, it is such a quality lens that I doubt there will be much of a drop in IQ and AF performance. The hardest thing will be using f10-f13 in low light as you will be struggling for SS at times. But it could come in handy if you have decent light and want some more reach. Cheers, Duade
Good morning, Thnaks for this very helpful vedio, Regarding to the body aperture set up, what aperture setting when a f4 len + 1.4 converter used while it will became f5.6(4x1.4) because the body, R7, will always show f4,
Hi Duade, I have been really enjoying your videos lately. Thanks for the great content. I have been using a Canon 600d with the Canon 55-200 lens since 2012. I recently got into bird photography and have found that I can't quite get close enough to some of my subjects. I have been looking at the next piece of equipment and I can't quite decide which will make the biggest impact per £. My thoughts are on a new body (probably the 90d) or a new lens (likely the Tamron 100-400). Do you have any thoughts on this?
I'm likely to end up with both in the long run, but with birds returning to my area over the next couple of months, I am a little keen to get one or the other fairly soon.
G'day Johanes, I would always recommend investing in a lens first as this will make a bigger difference jumping from the kit lens to a 100-400. If you can afford the Canon 100-400 IS II I would suggest that, but I understand it is not cheap. Maybe just check the secondhand market for it first. Good luck with the new lens and happy birding. Cheers, Duade
Duade you give the depth of field for your shots here. How do you know what that depth is? Is it a calculation based upon some other factor? Does depth of field mean that in relation to the subject, you can get into focus other parts of the scene? Say for instance you have a depth of field of 104mm. Is that half in front and half behind the subject? Thanks! I liked this video and learned a lot.
Hi Breck, if you know the distance to the subject you can work it out with this calculator www.pointsinfocus.com/tools/depth-of-field-and-equivalent-lens-calculator/#{%22c%22:[{%22f%22:13,%22av%22:%229%22,%22fl%22:700,%22d%22:9000,%22cm%22:%220%22}],%22m%22:1} It is a handy tool to know just how big your DOF is with different focal lengths. Most of the time with long focal lengths the DOF will be very narrow which makes it hard to include habitat. Have a play with that tool, you may find it helpful. Cheers, Duade
Hy ur explanations are amazing, easy to understand and to the point.... Can u review the canon 90d plzz
Good morning Sheikh, thanks for your comment, I will try and get hold of a 90D at some stage. Cheers, Duade
@@Duade thanku... I'll really appreciate it ❤
Duade, nuevamente excelente video. Muy esclarecedor..Una consulta:
Su elección entre un Objetivo 300mm F2.8 con un convertidor 1.4 (quedaría en 420 mm F4) o un objetivo fijo 400mm F4?
Thanks, that is a tough one, the 300 2.8 II is such a sharp fast lens and works well even with a 2x converter at 600 5.6. I have not used the 400 f4 but it is also a great lens. Sorry I cannot help with that one. Cheers, Duade
the hardest part for me has always been finding a good perch and then getting the birds to land on the perch. even if i drop mealworms under the perch they ignore the food 'til im long gone. i guess i just need to be more consistent so they get used to me
G'day Lobster, yes it can be very difficult and some birds are harder than others. Trust me there are plenty of times I fail. Cheers, Duade 👍
@@Duade sir, i saw a lot photographers use camo tent if you camp, it looks like a very helpful, what's your opinion about it? 😳
G'day, I will use a blind if at a setup where the birds are a bit flighty. Cheers, Duade 👍
The Sony mirrorless cameras offer something they call Clear Image Zoom, which effectively doubles the length of your lens. I use it frequently, even on my longest telephoto (600mm), and it works without obvious degradation in quality.
G'day Theo, I had not heard of this feature before, to be honest I have never used a Sony. It sounds interesting and I would love to try it out. Hopefully Sony will send me some gear to test one day. Cheers, Duade 👍
What's your opinion of using a monopod to shoot? Is there a technique to use monopods to get sharper photos?
Hi Kenneth, Monopods can work well for providing a stable platform for sure. I know a few people who use them. The biggest issue for me is they can't hold the lens up without me holding it. There are plenty of times I need to do other things and leave my camera on a tripod. I suspect with a monopod you would have to lay your lens on the ground a lot which is not ideal. Cheers, Duade 👍
What is your input about the super zoomers like the Canon SX 70 HS on birding?
Gday Jaco, with such a small sensor you will be prone to a lot of noise and it would struggle a bit in less then ideal conditions, I suspect it would be harder to get out of focus backgrounds also. But no doubt it is very flexible and in the right conditions will work very well. I have not tested the camera myself so cant really comment. Maybe try one out first. Cheers, Duade
those are some brave birds! the ones where i live don't let you come closer than 20mt 😁😁
Thanks Aggelos, I am very lucky to have these birds, Australia actually has many friendly birds which is nice. Cheers, Duade
as this is in Australia, all of the birds are probably venomous and Duade is in constant danger! ...or they remember that they were dinosaurs which is very Ozzie :P
Excellent vid 😁. I have the 7D mark 2 use the canon 400mm. IV used the 1.4 converter on this system and did not get good results. I do live in the UK the light is not good most of the time. I take it there is not much I can do? .. stay safe.
G'day Chris, yes the 1.4 is probably best used when you have light to use an aperture of f9 or 10. Otherwise the 400 on its own will be superior. Good luck and have fun. Cheers, Duade 👍
Hello Duade - fantastic stuff ! Nice explanations to the point. Very well organised. Love your videos. Just a quick question (not related to this video though) - I recently moved to Nikon Z50 mirrorless 21MP body with 11 FPS. It’s really handy but when it comes to BIF the high FPS works but in EVF I see my previous image taken. So for a spit second I cannot see what’s happening and miss the shot. It’s kind of slide show that I see no matter what settings you do/change. So the keeper rate is way low than DSLRs.People say that almost all mirrorless show such EVF lag except few high end but they are too expensive.Request you to put your thoughts on this/may be a video on this in near future. This EVF lag made me go back to DSLRS (to D500). Thank You!!
G'day, thanks for the feedback and comment. Yes the EVF lag has been a known issue with mirrorless cameras, I believe the r5 with the 120fps refresh rate reduces this issue. I think it will be a teething issue with the earlier mirrorless bodies that will be come less of an issue over time. We may have to hold onto our DSLR until they make mirrorless cameras affordable without the lag. Cheers, Duade
@@Duade Thank you.
Hehe The birds were quite patient models ;)
Lol, yes I have very good models, I pay them well.😂👍
Hi Daude, Im interested in knowing something.....I use a 100-400II canon lens set to f/8. However if I used a 500mm f/4 set to f/8 does this allow in more light and change the depth of field?
G'day Mark, if both lenses were set to f/8 they would let in the same amount of light. The exposure should be very similar. In regard to DOF the 500mm will have a narrower depth of field, which is the background will be more out of focus. The 400mm lens set to f/8 at 8 meters will have a DOF of 176mm, a 500 lens at f/8 and 8 meters will have a DOF of 111mm Check out this tool, www.pointsinfocus.com/tools/depth-of-field-and-equivalent-lens-calculator/
Thanks Duade, really helped me think about where to go to next, and if I should bother with a teleconverter. I have a 150-600mm Sigma (which is brilliant for an amateur like me) with a Nikon D5600 (24mp) which I think is a 1.5 crop. So does that mean I effectively have a 900mm equivalent zoom ? And would that mean if I moved to a full frame like the Nikon D850 (45mp) I could effectively crop the image by 50% and have the equivalent 900mm zoom as before and with basically the same MP?
Hi Tod!
To answer your first question: yes, due to the crop factor, you'll get a greater zoom.
That's why wildlife photography makes more sense on a crop sensor camera.
My 500mm tele lense acts as 800mm on my crop canon.
I'm not 100% sure about your full frame method, but having twice the MP and cropping the image afterwards would bring a similar result as shooting with a 1.5 crop and a longer lense.
You may have differences in the DOF but at that range, it's hardly noticable.
G'day Tod, great question, yes your 600 is the equivalent field of view as a 900 on a FF.
If you were to crop a D850 by 1.5 times you would get a file size of 5408p X 3600 which is just under 20mp. So your D5600 would have slightly more pixel density and bigger files.
However the D850 is likely to have far better noise handling, dynamic range, colours and image quality.
The D850 is the better option but it is way more expensive so on a budget the crop body is an excellent option. Cheers, Duade 👍
have you ever looked at diffraction on FF vs APSC ?
I have not looked at this issue, I have not really experienced any noticeable diffraction in the photos I have taken. Cheers, Duade
@@Duade when I take test shots using test charts you can see diffraction affects apsc alot more than full frame does especially at f16 or above full frame copes much better where its not noticeable you see a small about at f22 but apsc shows it alot at f16
Do you have any tips on getting closer to birds? They always fly off before I can.
Yes, it can be exceedingly difficult. Ideally start with tame birds in parks and wetlands where people frequent. Use water baths to attract birds. Try and find a location that birds frequent and sit in a blind and wait. It really is difficult, and I struggle with this also. Cheers, Duade
Hi Duade. I always thought that full frame had less DOF than a crop sensor UNTIL I started looking at the DOF facility in Photopills. There is actually more DOF on a full frame than the crop sensor at the same focal length..........🤔
G'day, you are right, if you use the same lens on a FF and an APSC sensor the crop will have a narrower DOF. But in theory you are comparing two different effective focal lengths.
Lets take my Canon 500 f4,
Distance 10m - 500mm f/4 on a FF gives a DOF of 88.2mm
Distance 10m - 309mm f/4 on APSC Canon gives FF Equivalent of 500.58mm f/6.48 and a DOF of 146mm
If we were to use the 500 f/4 on the APSC Crop we would effectively have an 810mm f/6.48 FF Equivalent and a DOF of 54mm
Cheers, Duade
Where are you getting the full frame equivalent numbers from buddy? My 90D with my 500mm f4 gives an equivalent focal length of 800mm f4 in Bridge. I'm not trying to challenge you mate, I'm just trying to get my head around it...........😳😀👍
@@willnotbetracked8222 G'day, I use mmcalc.com to work it out. Cheers, Duade 👍
Hey Duade, love all of your videos. I have a question for you: I have the EOS R, which yields 30 megapixel images, but when I use it in cropped mode (1.6) I get a 10 megapixel image. My 7D Mk II, which is a cropped camera, gives a 20 megapixel image, so I prefer it over the EOS R even though the image quality of the EOS R is better. How did canon manage to get a 20 megapixel image out of a cropped sensor?
Because they're completely different sensors.
@@frostybe3r I understand that they have different sensors, but to get a 20 megapixel image out of a cropped sensor wouldn't the sensor in the 7D Mk II have to be much larger than the 30 megapixel sensor in the EOS R?
@@CurryCharlie No, they're just different designs.
G'day Charlie, an excellent question and one I should have explained. The physical sensor size is the same size regardless of the amount of megapixels. The only thing that changes is the pixel density. A 45mp R5 sensor packs in a lot more MP then the 20mp R6 sensor even though they are the same physical size.
A crop body works the same, 30mp 90D has a far greater pixel density than a 30mp 5D4 as it has to fit all those pixels on a smaller sized sensor.
There are advantages and disadvantages to pixel density however as technology improves they continue to increase the MP size with less issues such as noise. Hope that helps. Cheers, Duade 👍
@@Duade Thank You! that does help and makes sense to me.
with mealworms how long do you usually wait for the birds to perch?
Samuel, the birds need to be in the area and be able to see the worms, it can take some time before they figure it out. Good luck, Cheers, Duade
PS..............great outtakes..
Thanks Stan, they are a fun addition to the videos. Cheers, Duade 👍
I have found your vidioe so helpfull. I reckon I have come 10 years ahead with my knowledge and photography throu watching your vidioes. I would really like to contact you to get some advice on getting a new camera. I currently have a croped cencer camera and am planing on upgrading to a fullfraim camera verry soon but now I'm not sure it's worth loosing so much zoom.
G'day Mark, thanks for your comment, what camera and lens are you using at the moment? Did you have a full frame camera in mind? Cheers, Duade
I currently have the nikon d7100 wich has a croped cencer and was planing on upgrading to the nikon d850 full fraim wich has a lot more megapixels, 46. I recently got sigmas 150 - 600mm lens wich I'm quit happy with. Well more affordable.
The big thing I'm not sure of, is it worth spending the extra mony on a full fraim camera when I will be cropping my shots a lot so ill loos a lot of megapixels anyway just to get enuf zoom. I was thinking I would just get a 2 x teliconverter but now I find that a lot of people say they don't have auto focus using a teliconverter wich is crucial for me. Wich I only looked into it after seeing your video. Thanks so much for that video.
I don't know how to find out if I can get a teliconverter wich will work on my lens with auto focus.
@@markpriebbenow8866 G'day Mark, the D850 is a superb camera and would be an improvement over the d7100. Even after cropping by 1.5 the d850 will have I think close to 20mp which is more than enough for printing and web files. I believe a 1.4 extender will work on the Sigma but I would not use it to be honest, it will just slow down the AF too much and the loss of light and IQ is not worth it.
I'm not sure if you are able to rent a D850 or try one but everyone I know who has one raves about it. Good luck. Cheers, Duade
@@Duade ok Thankyou. I might try and borror a full fraim camera from someone and see how I cope. I have feted one briefly and was so disapointed with how little zoom my big lens has.
G'day Mark, the D850 does have a DX mode which puts the camera into crop mode which will make the bird bigger in your frame. But it makes more sense to use the full frame and crop later. Cheers, Duade 👍
whats the music ?
all the music in the video is in the description, Cheers, Duade
Is it still worth purchasing an EF 500 F4/ L IS II USM?
G'day, it is a great question, I guess it depends on what you are currently using and if you are upgrading to the RF system. The RF100-500 maybe the better option if you are buying the R5. The 500 f4 is a fantastic lens and works very well but it is pretty heavy, large and expensive. Cheers, Duade
@@Duade Plus this EF is almost as sharp as the RF 70-200
@@Duade I just sold my EF 100-400 II because it wasn't sharp enough on my R5, the RF 100-500 is also 7.1 which makes it unusable in alot of situations and it's probably less sharp than the 500 f4 II.
If you can find a well priced 500 and a 1.4 ext it will produce very nice shots. It is a very good lens. You just have to get used to the size and weight compared to the 100-400. I think they are going for around 6-7k AUD second hand. Good luck.
@@Duade I found one in brand new condition for £6.2K
Is there a difference between cropping a jpeg vs a raw? I mean will the quality of the image become different? 🤔
G'day Fri, that is a good question, I think it would be best to crop the RAW file or TIF file over the JPEG file as the JPEG has already had some compression added to it. I'm not sure how noticeable the difference would be, you could always test it yourself by cropping both and seeing the difference. Cheers, Duade
@@Duade Cheers!
Focal lenght is zoom right?
Hi Sam, a zoom changes your focal length. So a 100-400 Zoom has a focal range of 100mm to 400mm. So you can shoot with a wide field of view of 100mm or zoom into 400mm focal length which is much narrower. Cheers, Duade
Hey Duade, where to next buddy?
G'day Bruce, still trying to figure that out. 👍😀
I'm having a stroke trying to figure out precisely why my pictures look bad. I have a canon sx420is, I know it's really bad but I'm a student and it's my first camera. It's a 20MP small sensor camera with a 4,3-180,6mm lens so I believe the 35mm equivalent of its max focal length is 1008mm, which judging by this video should be insane(?, and yet when I take pictures of birds (probably from less than 10 meters away) they don't look very big, so how can 400mm like here 20:53 look so good? I understand that a small sensor camera will have a lot more noise and all that but talking strictly about subject size I just have no idea how it works. Would for example an APS-C sensor with a 300mm lens result in a larger looking subject? I want to upgrade because my camera obviously doesn't give a good image quality but I don't want to end up with less "zoom".
Excellent video by the way
Nicolas, 400mm focal length on the FF and 400mm equivalent on the SX420is will result in the same size bird. The difference will be the image quality, sharpness and the out of focus background. If you crop the SX420 files it will likely look very bad whereas you can crop the full frame image and it will still look good due to the sensor difference. Unfortunately, the sensor of the SX420 is poor meaning you will always struggle to get high quality images. Cheers, Duade
@@Duade Thanks!! I will consider getting a larger sensor camera though I struggle to get close to birds as it is so I'll have to put more effort