f2

I'm getting more and more frustrated that Zeiss nor Voigtländer (Cosina) make a nice MF 28mm for Sony E-mount (full-frame), so I'm thinking of getting a Zeiss Loxia 2.4/25 when a good deal comes along. To find out if that focal length works for me, I took the only 24mm I have, an old Vivitar...

Wide open, with Nikon D90! 20mm macro tube 20mm macro tube

This lens is amazing. You will not need a better-corrected lens than this. Unless you shoot UV. Then you need the lens on the Right. When received, I noted the overall size was about the same as my Pentax 85/4.5 Ultra-Achromatic-Takumar (UAT). The latter is 50 years old, maybe 40 lenses known...

Okay, Voigtlander is just knocking them out of the park these days. https://shop.cameraquest.com/voigtlander-leica-mount-lenses/voigtlander-50mm-f/2-apo-lanthar-aspherical-m/ No sooner than the V2 M-Mount 50/1.5 Nokton comes out, they do this to me... 50mm F2 APO lens, floating element, 4...

I don't know how many of you have been following the threads on RFF about the Chinese replica of the 1950's V1 35mm Summicron, but it has been ongoing for close to two years. They set out to make a replica of the original Leica lens, right down to the almost unobtainable flint glass elements. I...