Super Takumar 55mm 1.8 Review
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- เผยแพร่เมื่อ 27 ส.ค. 2024
- Hey everyone,
In this video, I am reviewing one of the most famous name brand vintage lens, the Super-Takumar and I will go over the build construction, usability and also the thorium that some people may have an issue with this lens. Thanks for stopping by!
Hope you guys enjoy the video!
M42 to K mount adapter ($10)
amzn.to/2oTF3rx
M42 to K mount adapter ($27, better quality)
amzn.to/2owG4cg
-Li
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I was a Chemistry & Radiological Controls officer in the USN in my youth. Thoriated glass was not allowed in eyepieces for microscopes, binoculors, etc...becasue of proximity to the cornea of the eye. This is one place where low kinetic highly ionizing ALPHA particles can cause damage from outside of the body. Of course, ingestion of ALPHA is deadly in sufficient quantities. It is highly unlikely that either is a problem if one uses the lens as it is intended. Ingestion of soluble thorium from glass is not realistic. Neither is walking around with the rear element next to your eyeball for days on end. As long as the lens is attached to the camera body or protected with an end cap, this should be no issue in terms of dangerous levels of exposure. Alpha's are stopped by the dead layer of skin on a body's surface. Gamma is also emitted from one of the decay chain daughters of Th-232, specifically Thallium 208. However, it is a relatively low energy gamma. Also, some Beta, but again...beta is shielded by the camera body, other lens glass that is not thoriated, etc. Beta can be stopped by a sheet of alu foil. Lastly, you will get very high reads right next to the surface of the rear element. However, read from a foot distance and the counts will drop significantly. This is because the Alphas will not travel very far away from the rear element before being attentuated by the air space. I own two Super Taks (50/1.4, 55/1.8), which are great lenses IMO.
JB6789 I won't eat the lenses. Check!
Yeah.
12 microSieverts is tiny!
www.allianz.com/en/about_us/open-knowledge/topics/environment/articles/110407-radiation-how-much-is-harmful.html/
Thanks for the info
JB6789 ok
Well thank you sir! I just bought one and this gave me a peace of mind😊
It is the rear, thoriated elements that yellow as the ionizing radiation from decay causes stresses in the glass matrix that result in certain light wavelengths to be absorbed...hence the yellowing. This can also slow down the lens by at least one stop if not corrected. To remove the yellowing, intense exposure to UV light will, over a few days, relax the stresses in the glass matrix. This will lighten the lens up significantly. Do this every 12 months and you should be fine.
Thoriated glass has improved refractive properties that allowed the lens design to be more compact and the elements smaller. This reduced costs without impacting performance.
Use the adaptor that sits inside the bayonet ring and is going to give you proper registration for infinity focus. The Takumars are really charismatic lenses that help you make wonderful pictures. They have that plasticity of image that make for a really 3D look.
What type of adaptor is that?
I'm an industrial radiographer by trade and we use a few different types of highly ionizing gamma radio-isotopes to make exposures to film such as Iridium, Cobalt, and Cesium to name a few. To stay legal and work safely we use PPE and safeguards to limit the amount of radiation we receive as well as other workers around us and the general public. A few of these items of PPE are a dosimeter, a film badge, a rate alarm and a survey meter. I also own one of these lenses so I'm going to do a little experiment and see if my dosimetry registers anything from the lens. I highly doubt it will although the dosimetry we use is highly sensitive to any ionizing radiation, so if there is anything to receive, it will. Just in case you are wondering, the dosimeters we are required to use here in the states typically calculate the dose of Radiation in mr/hr or milliroentgen an hour. To get an idea, the general public is allowed a dose rate of 2 mr/hr. You also have to keep in mind that every radio-isotope has its own decay rate and half-life, some greater than others, meaning the amount of radiation they give off reduces over time. I'll post back in a few hours to give an update on how much radiation my dosimeter receives, if any.
Sounds excellent.
I left this lens on top of my sd card for 2 years. The data is still on it but as to human contact... I cant say...
@the CameraVille Well, I've come to the conclusion that the lens is still fairly radioactive, enough for my dosimeter to register 0.2 mr in 1 hour. 1/10th of NIOSH and OSHA guidelines for the general public at 2mr/hr (which is still very conservative for safety anyway). And that was with the very back of the lens sitting right on top of the dosimeter. With shielding of the camera body and further distance of your face I'd say these lenses don't propose any real hazard. Still, very interesting to say the least!
Thank you, I learned a lot today.
You're welcome! Thanks for stopping by.
I have a Super Takumar 55mm 1.8 and I also have a RADEX 1503 radiation monitor. The the rear element in the lens makes the RADEX scream with delight! I also have a few old Swiss watches that get the attention of the RADEX!
Takuma is very favourite lens for a lot of mirrorless communities. These radio active lens is very hard to find in the market now. It gives the skin tone a very soft glow look. That glow is like a nature shine on female skin tone.
I plan to rebuy one day
After 10 years of use it's still my favourite lens.
How do you store it? Where should I keep it?
@@tylerfields2368 either connected to the camera or on the shelf
@@adboehm so it's advised to leave on shelf out of bedroom or living room?
Hahahaha so funny the last part with the radiation counter
Lol!
wow that is such an old video but yes! When I did the dry run of the video, it wasnt that high in radiation level. During recording it really freaked me out. I was like ohh my heavens is this thing actually going this high??
Also, I put an SD card under this lens and stashed it somewhere. I should go and check out the SD card and see if it is working.
My first vintage lens was super takumar 55mm f1.8
I really love this radioactive lens
lol!! the last sentence LOL
@@theCameraVille hahaha
Zeiss still do it to this day, there is a loop hole, radioactive materials are not banned when it comes to precision instruments like optical glass.
Is it true that the Earlier Version Before 1.5million in Serial Number NOT Radioactive?
Nope
How did you take M42adapter off with the lens from K1body? I've got same lens and body, but I take the lens off first then take the adapter off.
Thanks for posting. Its an awesome lens - I have one and really like it. In fact I like it the same amount as the Super Takumar 50 f1.4 (which has better bokeh than the FA50 IMO).
Personally I'm not worried about the very small amount radioactivity these things put out (my Geiger counter barely registers). That is as long as you don't keep it in your pocket with the rear element against your body all day every day.
You have a Geiger counter laying around?
The radiation is no problem. I own three thorium lenses. I but a 50/1.4 Super Tak in a box sitting on a sheet of 4x5 Polaroid ASA 3000. In three months it left a very faint gray smudge in the middle of the polaroid.
i have 20+ radioactive lens, they all take really good pictures and non of my friends dare steal my gear as they are scared of radioactive thing
If your Super Takumar 50mm F/1:1.4 is the 8 element version. It's thorium free.
I have the K version of most if not all the Takumar lenses. Pentax made all their Takumars into their first generation Bayonet lenses with some minor optical upgrades. In some cases just a direct transfer, like the 135mm f/3.5 and, including the one you are reviewing. Sorry, I am being redundant as I commented before on this subject. I am doing my Pentax video watching round up. Lol...
BAHAHAHA nice!! Dude this video is so old school. I came a long way. Still long road ahead.
I should review this lens again! I stashed in a safe place.
@@theCameraVille Please do review this lens again, put it on the KP as well as the K1.
Comes in K mount too.
Sweet!, I believe k mount started in the mid 70s. The early ones are M42. So yea, more than likely it would be the SMC Takumar I think. I will have to check, but excellent suggestion! So many flavas!
Good lens... I have 3... Love using them.. Winding out the rear element to a correct position and locking with a drop of something will allow focus to infinity on Nikon. . On Eos you are Okay as is...
Serial Numbers before yours (like for example 193xxxx) also emits radiation?
I used to see these lens laying around on the shop, now I don’t even see one one the market on display. Same as those very old Canon lens, Nikon S lens
Yup, they either got bought out or… discarded due to the elements.
Great radioactive lens
My absolute favorite lens so idk why I'm watching lol. When I'm using any other medium focal length lens, I always want to use this one instead 😅. I just don't like how Pentax lenses focus in the opposite direction of most other lenses
Bahaha dude. This video is so old school !! I should redo it haha. Cheers bro! I am going to find a radiation detector and redo this video haha.
Have you found a speed booster that will work with this lens? I bought one and there's a flange that interferes with the f-stop tab inside the back of the lens.
I don't want to bend the tab nor try to modify the flange.
Among my seven examples of the Super-Takumar 55 / 1.8 , only two contain thorium. Examples of this lens prior to approximately 1.5 million do not contain thorium.
I should also point out that as far as I can tell, that sensor you show doesn't detect alpha and beta radiation, so I have no idea what it was detecting.
Woo Its different from what you read on line and what todays device pick up. I will say I pick todays devices. You don't want to know what happened to my SD card when I lay the lens on top of it . It will make you wonder what is online even talking about lol. It is not safe and don't you drop it!
I have 3 of these lovely lenses . A+
They are lovely~!
Which is the least inexpensive lense that resembles takumar 55mm 1.8? Thnks!
Not sure what you mean? The Takumar is one of a kind. The glass is radioactive creating that look. Im not sure if I can think of a lens that resembles a Super Takumar. That would be difficult. Its a vintage classic!
Perhaps the Helios 44-2 (58mm 2.0), it has a cult following due to swirly bokeh and is relatively inexpensive.
What are setup I have to do on my Olympus om-d e-m 10mark II? set for manual? I found some online about how to set up when using vintage lens on digital camera but what do you suggest?
I have that camera too.
I have a Fuji XT 10 and i use both.
The Fuji handle better those vintage.
In your case with the Oly mkll.
Leave the ISO auto set the limit to 2000 just in case you shoot at night..
That way if you go down with your shutter the ISO will go down too.
Set the focal lenght to 50.
Have fun 👀 📷
Lock it up on a metal box, take it out when use. What about radio signal.
Haha yes
Nice! So you don't need an adapter and does the K1 have some focus assist? thanks
love the video great review great setup you got a sub from me can't wait to see what's next
Great review and this is the 1st time I fall in love with that K1! Looks awesome.
Great camera. Ibis and excellent dynamic range and flippy screen. I really enjoyed it. I have been shooting Nikon for 11 years.
the CameraVille looks sexy as well!
What happens when you pull the Geiger counter away about an inch from the lens?
It radiates still very low, and when I plug it on the camera and test from the view finder, its very slight. I just worry what kind of future issue will it have on the camera body long term.
I doubt people will keep digital cameras long enough to know what will happen 😂😂😂
I should do a test tonight. Put the lens on top of a lexar sd card and see if it will work in a week lol.
I have heard recommendation to not leave it on the camera. It seems it might damage the sensor if it stays for too long.
I also heard that from another youtuber as well. I may try to do a video of it on a memory card and see if it function after 60 days on top of it or something. Just to see.
I cant believe you slapped a nikon sticker on top of the K-1! :D You will make some pentaxian very angry!
I have no idea what are you talking about. That's a Nikon ;X
It is only harmeless alpha radiation and if you measure at 2 inches from the lens, the intensity will drop very quickly. Don't worry, be happy!
yea, I left it on top of a sd card for 2 years and nothing happened to the sd card.
How do you think of Pentax 20-40mm? Any comments?
Haha, already planning a review for it. Its my daily driver so far for the last year.
that nikon sticker on the k1 tho!
He's reviewing the lens not the camera. He's a Nikon guy but he bought the k1 and loves it ♥️
Because he's embarrassed to shoot a Pentax.
thats why all movies from 50s have that warm yellow nuke look i guess :P
Why does your K1 say "Nikon"? I mean why do you have the Nikon label on Pentax?
Because he's embarrassed to shoot a Pentax.
Fungus on this lens is subject to becoming a super hero or super villian. Other than that, it is a good lens..
❤️❤️❤️
You get radiation everywhere, rocks, gazes, medical imagery, it’s just a question of time exposure...
I have a Nikon, what adapter do I need to buy to make this work?
amzn.to/2yl5nDo
That should work. It will attach the lens to your Nikon F mount.
Adapter with lense element should do the job
SMC PENTAX - A* 1:4 300mm
SMC PENTAX - A ZOOM 1: 3.5 35~105mm
SMC PENTAX - M 1: 1.4 50mm
SMC PENTAX - A MACRO 1: 2.8 50mm are this lenses radioactive?
lol nope :)
Usage of radioactive coating was not exclusive to Pentax lenses.
Yea its an old tradition back in the days.
It's not the coatings, it's the glass of the lenses.
Is this a full frame lens?
dragonfist25 yup!
the CameraVille Thank you. 🙏🏾
How is it possible to use the Takumar at infinity, using a non-infinity adapter? Why show in the video an adapter that doesn't allow to use the lens to its full potential?
K bayonet and M42 have the same register, if you add 1mm you loose infinity! The adapter shown in the video is that thick, more or less, but there are different kinds, even just half millimeter thick... but all of them don't allow to focus to infinity, unless the lens is out of whack. To get proper infinity on ANY camera with PK mount, the only option is the little ring that allows the lens to sit flush with the camera flange. The original Pentax one is the best. Cheap chinese copies are often problematic
It works if that is a mirrorless camera.
If it's an SLR, your point is correct.
No, if it's an SLR his point is not correct. M42 can be used on canon bodies all day long.
"The cheapest, sharpest most dangerous lens!" LOL
BAHAHAHA .... wow, that thing was buzzing like crazy LOL. I forgot how long ago was this video lol.
I have this lens. I'm not too worried about the radiation as it's been known to be too low to hurt anything or anyone.
@Mike Studmuffin you are treating this like new technology, while i understand where you are coming from, this is a super old technique and we have already learned about future hazards of this
Ain't nobody gonna mention the "Nikon" logo on the k1? xD
Zero people had said anything. No idea what are you talking out.
We're all DOOMED ! :)
bahaha
В России на таможне могут изъять этот объектив так как не соответствует требованиям безопасности =(
I would put this lens in a lead box or hide it somewhere far away!)
So, a highly radioactive thing right in front of your face for less than USD 100? Sounds like a bargain...
Dont get any ideas
I got mines I doo's
nice!!!
Ain't no one buying this lens after this 😂
I bought two. My oncologist strongly suggests I should sell them.
Fluted focusing ring §§
nice
forget da camera electronics, dis radiation gonna kill your eye, can't be fixed once get get da donkey eye, no way bruddah.
yea, I actually put this in the corner of the room. I don't touch it lol. eye cancer lol
Hahahaha this is fake.
Im not sure on that. Feel free to google the lens.
Thorium Radiation Very!!!