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I never noticed that threaded hole. It's in a channel on the aperature ring. I might try a very small O-ring, stretched around the lens barrel. With the large size of the No.3 Copal, the spacer...

I've had a problem moving lenses from my Deardorf to a Linhof. When I tighten down the lenses with a spanner, no matter how tight I try to make it, it doesn't take much to loosen the lens, in use,...

Addendum to my Question:

My sister's gear is strictly for field work. She's not really a backpacker, but for treks from the car into the woods or around Death Valley she wants to have it as...

I have been charged with helping my sister get into 4x5 from her current 6x6. I need some good recommendations on light-weight filed cameras and light-weight lenses. I'm still using my old 5x7...

I would agree with you all that a glassless carrier would SEEM to be a lot better than adding four extra surfaces to the film, but after three decades using a Durst L1000, the glassless carrier...

The denim dark cloth my mother sewed for me 30 years ago is finally in tatters. It lets in more light than it keeps out. Does anyone have a favorite out there (besides your mother's) that would...

I bought a Fuji T 400mm from Lens & Repro a while back, but returned it after extensive test because I didn't like the color of the lens compared to my Symmars, and I seemed to me not be as sharp...

I am passing on my Durst Laborator 1000 with CLS 450 dicroic color head to a freind who prints B&W, presumably with polycontrast paper. Can the polycontrast filter values be dialed in with with a...

Buying on e-bay is the same as buying used equipment anywhere else. You've got to know what you want, what you'll use it for, and what it's worth. After watching the e-bay lists for a while, it...

I have been looking for a while for a long lens for my 4x5. Last fall I bought a used 400 Fuji T from Lens & Repro, but returned it because I wasn't quite happy with its color or sharpness. Since...

Here's another question to add: What's the difference between a Schneider TELE-ZENAR f5.5/360mm and a Schneider 360mm f5.5 TELE-ARTON?

Thanks.

Thanks for the reply, but a question, then.... I am also looking at a 450mm Nikkor M. Bellows draw is no problem, but then this lens will be used in the field (literally... farm fields). Is...

Another long lens that has popped up is a Nikkor M f9 450. Any comments on its quality or use on a Deardorf 4x5 special (550mm bellows) for field work? It seems to be a good deal lighter at 22oz ...

I have found a used Schneider 360mm f5.5 TELE-ARTON for sale and was wondering about the quality of this lens. If I buy it it will be used for distance to infinity work in the field on a 4x5...

I'm still lokking for a great long lens for field work (distance to infinity). I had a Fuji T 400 tele from B&H in great condition, but I returned it because I didn't like the color and sharpness....

I now have a choice between a 400mm Fuji T f8 and a Nikkor T 500mm f11 ED. I have heard one comment that the Fuji was not all that sharp. Anyone have experience with either of these lenses? They...

I have a chance to pick up either a 400mm Fuji T f8 or a Schnieder 360mm f5.6 TeleXenar, both in good condition and both for about the same price. The longer lens is preferable. Is the Fuji a...