Carl Zeiss Distagon 28mm f2.8 (AEJ) lens mount_Pentax Auto 110 and there is an anti-twist

and there is an anti-twist ridge along the full width of one short edge

The Fujifilm X10 is a compact camera with a nice 7

The Olympus HLD-6G is a handgrip for the Olympus OM-D E-M5

this 180 is a good option for portraits (or whatever you want

Carl Zeiss Distagon 28mm f2.8 (AEJ) lens mount_Pentax Auto 110 and there is an anti-twistThe Carl Zeiss Planar 28mm f2. 8 is a compact wide angle lens for the Contax Yashica SLR lensmount. In very good condition overall, with smooth focusing, some internal dust, and just the slightest bit of internal haze (which won't affect images). Filter ring has a light ding, but filters still mount just fine. This lens is an AE type, made in Japan.