Overview

The Carl Zeiss Hologon T* 16mm f/8 is an ultra-wide, fixed-aperture lens known for its eccentric design and rarity. Optically, it delivers excellent performance but requires a center filter to avoid vignetting, effectively reducing speed to f/16. Build quality is all-metal with a distinctive domed objective, but the protruding rear element can interfere with some cameras. Handling is impractical due to fixed f/8 and need for filter. It suits collectors or enthusiasts seeking a unique ultra-wide experience, not everyday use.