Carl Zeiss Biogon 90mm f/2.8 T* | Contax G-Mount

Brooklyn Film Camera

The Carl Zeiss Sonnar 90mm f/2.8 T* is the longest lens made for the Contax G system and the sharpest optic in the lineup. The Sonnar formula uses few elements and few air-to-glass surfaces, which is what gives it its defining trait: very high contrast and resolution wide open, with none of the softness most fast short teles show at f/2.8. T* multicoating keeps flare and ghosting under control in backlit and high-contrast situations. Out-of-focus rendering stays smooth and undistracting, which i