Jupiter 37A 135mm f3.5 Disassembly HD

Disassembly and reassembly of a Jupiter 37A 135mm f3.5, m42 mount lens. The lens is disassembled down so that both sides of the diaphragm can be fully cleaned and put back together. If you need only to clean the glass elements or one side of the diaphragm, the back and/or front retaining rings can be removed and most other steps skipped. Total time spent was about 40 minutes. http://photography.mattbierner.com