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The holders for film in the graph matic back are called Septums not plenums, just thought I would help you out.

Love the mk 1 benbo got to be one of if not the most rigid tripods because of simplicity

Thank you Joe, I am watching your videos for more info for my view camera class!

one IMPORTANT advantage of mf roll film in lf cameras, is NO vignetting!, as the neg is so small, it DEFINITELY is in the cone of coverage!, esp. since the lens is designed to cover, NOT just the film diagonal, but extra, for the movements as well!! of 4x5, or even 5x7, 8x10 so no worries!!, and you are getting the image from the creme of the lens area, at the best part of it.

one major plus for roll film you missed is that loading and unloading are done in subdued light, NOT in the dark, so it is easier to change rolls in the field, as, and when desired; also, as each is a separate back, asa changes can be made on the fly, so not having to stick to the one stock (as they have a film reminder window on them, to show what you have inside). as well as trip duration, for 6x6 you have twelve exposures, so you can shoot for longer, as you are carrying more film for the given space, because there is only one holder!, yet multiple rolls of film.

Good explanations

Really a great video! Discovered your channel few days ago, is very interesting. Thank you Sir.

Never mind the camera, it's all in the glass, Glenmorangie.

I have a Turner Reich F6.8 lens from the turn of the century, the inside is marked 18 inch any insight on this designation?

Very good. Thank you. 😂

this video is still relevant Joe! Nice work.

I appreciate this video, thank you.

Nice, relaxed and informative video, but disappointed not to have seen the results. The Benbo tripod is a rarity these days.

Other Graflok back that exist 6x12, even 6x17 (with a rear extension), instant photo, Lomo Graflok for Fuji Instax

Perfect

Thank you!

Great Thank you again

Thank you

To avoid confusion, you might use the terms--density and D-max (maximum density) rather than "dark" and "light" to describe the relationship between film exposure and development and how that relationship affects highlight and shadow detail.

Very nice and knowledgeable video,many thanks sir

Um… wut?

Look at the title ! Great video regardless of your spelling ! Hard to find the Graflex film holders, but the Graphics are everywhere ! I wish the Graflok was the only one ! Would be so much easier. LarryMac

Get a bright screen ground glass as this will help solve the problem.

Very useful and clearly presented. Thank you.

I just got my first 4x5 Crown Graphic and shot my 22 back for the first time today. So I was really listening and learned a lot. Going to make those focusing mask's to make it more accurate and easier. I really enjoyed using my new old camera today and think I'm hooked ! Just subbed and am glad I found you. I just turned 66 a couple days ago and have been a photography nut since I was a kid, wonder why 4x5 took me so long ? Larry

Only thing you forgot was instant film !

Excellent video, I've been shooting MF with my Hasselblad 500-C & 500-Cm cameras for some time now. Last fall I built a 4x5 folding field camera from scratch, Toyo rotating ground glass back, 1958 version of Toyo's front standard for a rail camera, bellows, Fujinon lense etc. All the things you cover in this video I had to lookup the hard way. Great advice and and excellently information. Thanks Sonny P.

That is pretty much my full kit right there, same tripod, Crown Graphic special, Fidelity film holders, and a couple of different meters. plus cable release etc, but the one thing you forgot to mention was a film changing bag, to load the film in the dark. I have since added a Lomo instant film back to my Crown too, just for the fun of it. Film's not dead.

6:03 I dont believe this is correct. I believe the angle of sharp focus (focal plane) pivots at the point of intersection below the camera and rotates falling up or down depending on how far away you actually focus!

as you have a graflock back, you can also have another type of film holder, the "lomograflok back", which is a polaroid (instax wide cartridge) film, there is a spacer for focussing as well, to account for the recess in film position as compared with standard holders. also with std. holders you forgot to mention plate holders, to hold glass plates, for wet plate and dry plate old process positives.

The focal plane is at the back of the camera, not the lens plane as you said

December 21-2021 and I'm watching and learning,,,, Thank you!!!!

I'll take a pickle please!

Thanks for a very helpful video on these backs. I'm a newbie so all this help me to understand what's available and how to use it.

with the graffic 23 roll film holder there is another framing option, with the field cameras, that is a "universal viewfinder" this replaces the Ground-Glass screen (composition) by giving paralax compensation, image circle/field of view of the focal length of the lens, and format, by a frame which clips on the front, which is also rotatable, to mirror the roll film holders orientation. these are common for the Linhof Technika cameras, they even have masks for the 6.5x9/ 4x5 & 5x7 formats, so you can leave the film back on the camera, no risk of breaking the ground glass while removing eplacing it.

That vacume cleaner generates a lot of static electricity

learnt a lot thanks

What happenes below the plane?

Excellent explanation of the zone system.

The introduction with CW was so so awesome !!!!

2021 and we're still learning! :) Thanks for the video!

Is the optical distortion also the same whether you move the front or the back element?

With Today's heavy DSLRs, a tripod with heft is necessary. I have two Benbos, a Gitzo ( France ) Studex and an Induro A33, plus a few CF tripods. The lighter CF tripods are fine when there is no breeze or wind.

rollfilm is called 120, not 120mm ;)

Glad to see you give him the credit he deserves.

Good one. The first time I've seen anyone mention the Grafmatic on TH-cam. I've got three of them, great pieces of gear.

Schneider Tele-Xenar 360 mm Scneider Xenar 300 mm

Schneider SA 65 mm

Here are the lenses I use on my Calumet CC-402 wide field/short monorail 4x5 inch view camera: Fujinon 135mm f/5.6 W #0 Shutter Fujinon 90mm f/5.6 SWD #0 Shutter Schneider 65mm f/8 Super-Angulon Compur #00 Shutter Schneider 47mm f/5.6 Super-Angulon XL Compur #1 Shutter I would like to have a telephoto lens for head & shoulder portraits but my bellows will not handle anything longer than 165mm.

Are there more videos sir?