-
Zeiss Interlock F-Mount Lens, 21mm, f/2.8, Locking focus & aperture, 90mm Min. free working distance, M82 x 0.75 filter thread
-
Zeiss Interlock M42-Mount Lens, 21mm, f/2.8, Locking focus & aperture, 160 mm Min. free working distance, M52 x 0.75 filter thread
-
Zeiss Milvus EF-Mount Lens, 21mm, f/2.8, 90 mm Min. free working distance, M82 x 0.75 filter thread