I've seen a few bargains on Ebay in the last several months. I saw two 14" f9 (or f10) process lenses in barrel go for less than $10 each. One was an Ilex, the other was made by Brown Manufacturing Company. The glass looked fairly decent in each. I think 14" is about the minimum focal length in a process lens that will cover 8X10 decently.
If I didn't already have a 15" Wolly process lens, I would have bid on one or both of them.
The bargains are still there on Ebay, they just don't come up very often. I think a bargain 8X10 lens comes up about once a month.
I recently won an auction for a 6-1/2 X 8-1/2 T-R triple in a pneumatic shutter for about $85. It has a pretty ugly looking separation in the front group, leaving only about 1/2 the lens diameter clear. But the separation is at the rear of the group, quite close to the diaphragm, so it doesn't cause a problem with the lens stopped down. It covers 8X10 better than I hoped. No vignetting and at f22 the image quality in the corners is more than satisfactory for the contact prints I make. No problems with low contrast.
If I want the equivalent of a 270 mm lens for an 8X10 negative, that's the one I'll use.
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