saizo'sblog

The Leica Elmar 5cm f/3.5 is a small standard lens for Leica screw-mount (L39) cameras. This one is engraved “Leitz Elmar f=5cm 1:3,5”, with “Feet” and…

The Olympus H.Zuiko Auto-S 42mm f/1.2 is the fast standard lens made for the Olympus Pen F series of half-frame SLR cameras. This one came to me with heavy…

The CONTAX Carl Zeiss Planar T* 50mm f/1.4 is the standard fast lens for the Contax/Yashica (C/Y) mount. This one is marked “Lens made in Japan” on the…

The Leica Summitar 5cm f/2 is a standard lens for Leica screw-mount (L39) cameras, engraved “Ernst Leitz Wetzlar” on the front. I worked on this one in…

The Nikon Ai-S Nikkor 35mm f/1.4 is a fast, wide-angle prime for Nikon F-mount cameras. I serviced this one in September 2024. This post walks through the…

This CONTAX Carl Zeiss Tele-Tessar T* 300mm f/4 is a long telephoto lens for the C/Y mount. It weighs about 1.3 kg and takes 82 mm filters. I serviced it in…

This CONTAX Carl Zeiss Planar T* 50mm f/1.7 is the later MMJ version for the C/Y mount. It came to me with balsam separation, and I repaired it in July…

This Nikon Ai-S Nikkor 135mm f/2.8 came to me with a very small amount of oil on the aperture blades. It was only a trace, but oil on the blades tends to…