Its just the plating coming off. You can sand those areas down without any consequences. Try to create as smooth a surface as possible. The inside of...
I'm taking apart the Compur shutter of my Devin camera. The lens is a Dogmar 5.5" f/4.5. The shutter is very hard to arm and the slow times are very...
Thanks. I didn't know HiTech made them. I have rectangular holders and lots of different lenses so buying a bunch of round standard screw-in doesn't...
This is why the Nikkor-W (95mm), Fujinon-W (86mm) 355mm f9 G-Claron (77mm) Apo-Ronar f9 (58mm) and Fujinon-A f9 (58mm) are popular over the Sironar-N...
360mm modern plasmat lenses like this were the normal lens for 8x10, very common back in the commercial AD sheet film days.
Whopper lenses like this...