Is the Chinese Biotar any good? Disassembly and Cleaning Haiou海鸥 Hai’ou (accent mark to aid pronunciation, sounds like Hai O),…
Minolta 50mm f/1.7 MD Rokkor
This lens came in with a bunch of junk cameras, a XG-1, two XG-7, a XG-M and a XD-11, all…
Nikon 135mm f/2.8 Nikkor-Q (and -QC)
135mm f/2.8 Nikkor-Q (top) and Nikkor-QC (bottom) after swapping the milled Ai aperture ring (AR). Richard Haw helped me get…
200mm f/4 K Disassembly, Overhaul and Clean-up
I have two 200mm f/4 K lens in my collection, along with a silver-nose 200mm f/4 Nikkor-Q, a black-nose 200mm…
Canon 50mm f/1.8 FD SC (Version I) Overhaul (with f/1.4 FD SSC Version I notes)
The lens after complete service. Updated October 14, 2018 – incorporated 50mm f/1.4 FD SSC Version I where there is…
Poor-man’s Summicron (貧者ズミクロン) Ricoh XR Rikenon 50mm f/2
XR Rikenon 50mm f/2 on a (busted) Ricoh XR500. The camera is probably beyond repair. The Lens The XR Rikenon…
Nikon 35mm f/2.8 AiS Tear Down and Overhaul
Nikon 35mm f/2.8 in my collection (from left): Ai (6/6), Ai (5/5) and AiS (5/5). Missing in this photo is…
Lens Repair (5): Helicoids
Helicoids for 200mm f/4 Nikkor K. Picture taken before cleaning. The helicoids were dry, so the focusing motion will be…
Asahi Pentax 150mm f/4 Super-Multi-Coated Takumar – Disassembly and Clean-up
My 3rd M42 Lens The Lens I was in Osaka, Japan and chanced upon this lens, together with the 55mm…
