Chinese optics manufacturer TTartisan has announced its latest lens, the 90mm F1.25 for Leica M-mount camera systems.
The lens, which is clearly designed to look like a first-party Leica lens, is constructed of 11 elements in 7 groups, including four high-refractive index elements. Other features include a ten-blade aperture diaphragm, a one meter (3.3’) minimum focusing distance and an aperture range of F1.25 through F16.
…
Read more
