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jesse1996
10-Jun-2020, 13:46
Hi all,

I've been enjoying my current collection of 150, 300, and 450mm lenses but at this point im looking for something longer. I know of the coveted fuji 600 and a nikon 800T that doesn't sport a lot of movement. i want to know if anyone here knows of any better options for a longer lens that isn't too much of a pain in the field. I believe my maximum bellows extension is 600mm which isn't too bad but it's still a limitation. Thanks in advance!

Kevin Crisp
10-Jun-2020, 14:02
The easily found protar triple convertibles could give you the equivalent of a 585mm lens using the 23" single element. If you compensate for focus shift it can produce quite decent negatives. Putting the single lens on the front of the shutter would give you enough bellows.

Two23
10-Jun-2020, 14:03
How much do you want to spend? Can you live without a shutter? At 600mm lenses begin to get pretty heavy--can your camera support that?


Kent in SD

hiend61
10-Jun-2020, 14:09
Fujinon T 600 will not cover 8x10. With 600mm bellows extension, your options are limited to tele lenses of 600 and 800mm. As far as I know, just Nikkor T ED 600/9 and 800/12 and Schneider Apo Tele Xenar 600/9 and 800/12. In both cases, Schneider and Nikkor, the front lens cell is the same for both focal lengths, and the rear cell is interchangeable, providing 600, 800, and only in Nikkor case 1200mm, but your camera will not admit 1200mm because you just have 600mm bellows extension.

Oslolens
10-Jun-2020, 14:24
The Fujinon C 600mm on an extended lens board might fit your need for bellows? The Apo artar can be found in Copal #3.

Sent fra min SM-G975F via Tapatalk

Bernice Loui
10-Jun-2020, 15:21
If your max bellows extension is 600mm, you're limited to tele design view camera lenses. IMO, the 600mm Fujinon is over rated and due to this mythical desirability, it's market $ is more than it should be.

Other limitation will be tele design lens must be in a shutter unless special exceptions are applied.

The other least often considered factor is camera support and camera stability with 600mm of bellows racked-out. One and project about optical performance of different lenses with no real end, unless that camera with support is absolutely Rock of Gibraltar stable, optical performance is essentially irrelevant.


Best of the tele design LF lenses are the last version Schneider APO Tele Xenar, most common would be the Nikkor ED tele with interchangeable rear elements. The 600mm tele Fujinon does not cover 8x10 properly. If camera and shutter limitations are not an issue there is a LONG list of APO process lenses that out perform the
ED glass Tele Nikkor at significantly lower cost.


Bernice




Hi all,

I've been enjoying my current collection of 150, 300, and 450mm lenses but at this point im looking for something longer. I know of the coveted fuji 600 and a nikon 800T that doesn't sport a lot of movement. i want to know if anyone here knows of any better options for a longer lens that isn't too much of a pain in the field. I believe my maximum bellows extension is 600mm which isn't too bad but it's still a limitation. Thanks in advance!

Greg
10-Jun-2020, 15:54
After much deliberation, acquired a 600mm f/11.5 S KangRinpoche for my 11x14. I love it, and that's on my 11x14. On my 8x10, it should provide me with as much movement(s) that I can ever imagine using. Mine off eBay from a Dealer in Japan. He rated it "93% EXC Very good condition with some signs of use". Honestly inspected it very closely when I received it, and it was in Like New condition. For a Fujifilm Fujinon C 600mm F/11.5 Lens in similar condition, I would have had to pay two to three times what I paid for the KangRinpoche.

MAubrey
10-Jun-2020, 16:34
Hi all,

I've been enjoying my current collection of 150, 300, and 450mm lenses but at this point im looking for something longer. I know of the coveted fuji 600 and a nikon 800T that doesn't sport a lot of movement. i want to know if anyone here knows of any better options for a longer lens that isn't too much of a pain in the field. I believe my maximum bellows extension is 600mm which isn't too bad but it's still a limitation. Thanks in advance!

On movements...

The Nikkor T 800mm, since it is a replaceable rear element design (600, 800, 1200), actually functions in the same way as a teleconverter does for 35mm cameras. So you're actually getting slower by just under one stop, more reach by 1.33x, and a larger image circle by 1.33x. Nikon only gives specs, though, based on the shortest focal length, but image circle is increased by by the optical design. I use the 800mm on 11x14 as an easier way to get more reach without dealing with the extreme bellows draw that very long lenses require for ULF. That's really pushing it for the format, but it works.

Corran
10-Jun-2020, 17:08
Uh oh MAubrey, you're going to get all the spec-sheet-experts in a tizzy with that statement! ;)

Drew Wiley
10-Jun-2020, 17:21
I'd also recommend a Fuji 600C (or its clone) on a modest "tophat" extension board. It would still be lighter and less cumbersome than a tele with a big enough image circle for 8x10. But have you factored in front and rear base tilts into your max bellows extension?

JyL
11-Jun-2020, 03:17
Bonjour,
Il y a ici et là des choses utiles :)
Ici (https://www.galerie-photo.org/n3-f2,138284.html)
Là (https://www.largeformatphotography.info/lenses/LF8x10in.html)
=================
There are here and there useful things :)
Here (https://www.galerie-photo.org/n3-f2,138284.html)
There (https://www.largeformatphotography.info/lenses/LF8x10in.html)

Pere Casals
11-Jun-2020, 06:12
I believe my maximum bellows extension is 600mm which isn't too bad but it's still a limitation.

Perhaps best tele lens you may get is APO-Tele-Xenar, see this: https://www.largeformatphotography.info/forum/showthread.php?15330-Schneider-APO-Tele-Xenar-600-800mm-Convertible&p=131987&viewfull=1#post131987

It is scarce and expensive, but optically superior to the Ts abd to the C. Right now there is one 800mm at ebay for $9000 , so around x20 more than I would pay for a lens. IMO this is the best choice if pocket is in very good shape and not having other priorities.


You may think in two alternatives:

>> Shot 5x7" with the 450mm, probably you are not to get much more Image Quality with a tele 600 on 8x10", or you may even get less. If you end using a 600mm also compare what in practice you get with the 5x7"-450mm combo.

>> Add bellows, an investement in a more capable camera may be the cheap choice as it allows to use good/cheaper 600mm glass that would require more bellows, remarkably the amazing APO Nikkor 610mm, only for only $415 it may equal or beat both the T and the C, but you should be brave enough to not need a shutter already mounted.
https://www.angusparkerphoto.com/blog/2017/2/how-to-put-a-barrel-lens-in-a-shutter

The Apo Nikkor 610mm is 1450gr without shutter while the nikkor T is 1650gr with shutter




Personally I solved the 600mm focal with a Symmmar 360mm convertible to 620mm f/12, Technika stamped, that is quite sharp as for 8x10" I only need the center of the insanely big image circle. It is in shutter. It is quite lightweight once you remove the front cell for the conversion. It is contrasty as the conversion only has 2 groups, single coated. But it may require a compendium shade because the insanely big illuminaton circle throws a lot of light illuminating in the bellows and bouncing.