Hi Gene,
I found the 3" Pacific Optical lens in a recent Surplus Shed catalog. They
give the front element diameter as 4 3/8" and the rear element diameter as
4 1/8". However, the lens shown in the picture appears to have a much
smaller rear element than front element. What does your lens measure? Is
the rear element small enough to fit through the hole behind the lens board
on a 4X5 Graphic?
I have a Graflex XL 58mm Grandagon. The rear element is too large to fit
into a 2X3 Crown Graphic, unless you unscrew the rear element, mount the
lens board and shutter on the camera, and screw the rear element in through
the back of the camera. It mounts fine on a 4X5 Crown Graphic, without
taking apart. Is that true with your lens?
Leonard
At 08:49 AM 12/30/2000 -0800, you wrote:
>Hi Leonard,
>
>You are my first actual contact with a member of this group. The lens
>is from a Pacific optical KS-87B aerial Recon camera which is a 5x5
>format. I've checked it the best I can, and it looks to cover all the
>way out, but with I'd guess a couple of stops of fall off at the
>corners. I was able to find out that this lens does not use the center
>weighted filter that some aerial lenses use like the Metrogon for
>example. I have some photos shot through this type of lens and they
>were beyond amazing. I have to make this work. By the way,
>Surplusshed.com has some left on clearance for 50.00. They're reported
>as having cleaning scratches but mine was very nice, with a June 90
>certification sticker.
>
>Gene
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