I bought a 3.25x4.25 Speed Graphic for the FP Shutter, but it has a pretty nice Zeiss Jena Tessar (13.5 cm f/4.5) on it. Well, I'm peering through it and cleaning it up, and it turns out there's some fog between the two front lens elements (air spaced). There are hand screw notches on the back side of the front group, indicating that I can unscrew the rearmost element, but the ring that you twist is recessed, so the car tire trick won't work. Besides being stronger, what can I do?
Thanks,
William
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