How Do You Strip And Clean A 29Mm Pentacon M42 Lens?
• Set out your workspace. Set out at least two pieces of clean, white paper for you to put things on. Give yourself plenty of space to work with. Pour out some denatured (preferred) or rubbing alcohol or other similar fluid into a small glass. Loading… • Focus your lens to its shortest distance. • Remove the front cover. Remove the front cover. Grip the focusing barrel, grip the front cover and twist the latter counter-clockwise. You may find this needs more force than you think. • Remove the front element retaining ring. This unscrews counter-clockwise. Use a special tool for this purpose if you have one; otherwise, grip the lens firmly and use a screwdriver to push it. This can be extremely stiff. Be very careful; slipping and gouging your front element with a screwdriver would lead to a very sub-optimal state of affairs. • Carefully remove the front element and place it somewhere safe Remove the front element for cleaning later. With the retaining ring above gone, this will simply
