Two days ago, I bought a lens adapter so I can use old Nikon Film lenses with my camera. But the night before that, I cleaned a 50mm prime lens myself. I disassembled it and reassembled. Yeah. I know about the do-not-disassenble-lenses-or-else-you-risk-getting-lens-elements-out-of-alignment but I still did go about disassembling it. The huge screws on the metal mount of the lens was very tempting.
I bring along my camera and the 50mm f/1.4 attached to it every time I go out so I can do some test shots. There arose a problem. I couldn't get focus at infinity. I suspect the adapter caused it so I had this unusual idea of partly unscrewing the rear element so it will be closer to the sensor so it can get focus at infinity. I did get infinity focus.
Pictures were fine after I reassembled... [ Read more...