Disassembly of camera lenses can offer multiple challenges. When I have exhausted all other conceivable access or options, I get out the Dremmel - it does much more than provide a diamond tip to sign my glass pieces....Step one - choose a warm and sunny day because this work has to be done outside. Step 2 - select clothing that covers to the wrist and the ankles, add eye protection and a dust mask, as much fine, metal dust will be created. Cutting through two exterior bands allowed me to unscrew and release two pieces. This is the first lens I have encountered that has had solid brass casings, including solid brass with chrome coating surrounding the outside lens. As I worked my way towards the center, I cut through more solid metal and found one small screw blocking access to the next level. Then, I had to drill through the solid brass/chrome outer ring and leverage out the the ring protecting access to the lens....more cutting and nearly there BUT I was bamboozled by one tiny screw. The screw holds in place the ring that needs to be removed before the top lens can be released. The slot on the screw is so fine that even my tiny technical screwdrivers will not fit into the slot! So close, but it will have to wait for another day..
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