Miranda 50mm f/1.9 focus thread clean up.
Last week I took ownership of a Miranda Automex III 35mm film camera fitted with a Miranda 50mm f/1.9 lens and found that the helicoid was in need of re-greasing. I have already rebuilt the aperture on one of these lenses and found them easier than most to work on, so I thought it would probably not be too hard to re-grease the helicoid as well. The following is a pictorial guide for anyone who may find this useful. The...