Canon EF 17-40mm f4L m42-k like every lens should have

like every lens should have (opinion) (correct opinion)

with smooth focusing and clean diaphragm

with some wear from normal use

The Birns & Sawyer Zoom Combifinder Model K is a director's viewfinder for standard 4:3 format 16mm and Super 35mm

with some surface wear (most notably on the base)

Canon EF 17-40mm f4L m42-k like every lens should haveThe Canon EF 17 40mm f4L is a high quality full frame wide angle lens for the Canon EF mount. Relatively small and lightweight (relatively) for an ultrawide zoom, this lens also has a pretty respectable f4 constant aperture throughout its zoom range. In excellent condition, with light internal dust. Includes hood (with some cosmetic wear)