Hello, I recently bought on ebay the famous Kiron 105 2.8 macro converted to EOS mount. Unfortunately the aperture can't be setted; even if it's possible to set the aperture ring the aperture mechanism doesn't move and the lens is ever at maximum aperture. I had a refund for this and I keept the lens, but I would try to make it usable. Do you know how can I try to disassemble it?
