Asahi Auto-Takumar 55mm f2 brand_Billingham and this lens will mount

and this lens will mount to any F-mount camera from the original Nikon F until today (autofocus will work only on cameras with a built-in focusing motor)

but may aggravate Leica perfectionists

5") and extends to 135cm (53") without the centre column (165cm or 65" with the column up)

Rokinon 10mm f/2

This Pentax SF-1N is a bit of a "chonker

Asahi Auto-Takumar 55mm f2 brand_Billingham and this lens will mountThe Asahi Auto Takumar 55mm f2 is a standard lens for the M42 thread mount with a spring loaded, manual reset automatic aperture. An earlier optical design with nice image quality. In excellent condition, with minor internal dust, smooth focusing, good diaphragm.