The lenses concerned are the 9mm T2.9, 12mm T2.9 and 15mm T2.1 cine lenses, the famous 24mm macro probe lens, 4mm and 9mm fisheyes and the Argus 33mm F0.95 CF APO. The new mounts will allow these lenses to work with L, Nikon Z, Canon RF and Canon EOS-M cameras,