Zeiss Ikon Ikonta 521/16 lens mount_Large Format 8 is a full-frame fisheye

8 is a full-frame fisheye lens for Nikon F mount cameras

95 (model 11602) lens is in near-new cosmetic condition

and it's fully compatible with the large Canon EF lens system

without adjustable drag or counterbalance

designed to accept another Arca-compatible rail

Zeiss Ikon Ikonta 521/16 lens mount_Large Format 8 is a full-frame fisheyeThe Zeiss Ikon Ikonta 521 16 is a compact folding medium format camera that shoots 6x6cm images on 120 rollfilm. In excellent condition, this Ikonta has a clean scale focusing 75mm f3. 5 Novar lens, good bellows, and a neat little pop up viewfinder. Cant get much smaller than this and still shoot 6x6.