HD Pentax-D FA645 35mm F3.5 AL [IF] Overview
The HD Pentax-D FA645 35mm F3.5 AL [IF] is a designed-for-digital wide-angle prime lens for the company's 645-series medium format cameras. Its optical design includes both high refractive index and hybrid aspherical elements, which promises sufficient peripheral brightness and minimal lens aberrations. Pentax's HD coating helps to reduce flare and ghosting while an SP coating keeps the front element clean.
The lens, equivalent to 27.5mm when mounted on a 645D or 645Z, has a minimum focusing distance of 0.3m and a magnification of 0.25X. It also offers a nine-blade rounded diaphragm.
|Lens type||Prime lens|
|Focal length||35 mm|
|Lens mount||Pentax 645AF2|
|Min focus||0.30 m (11.81″)|
|Weight||570 g (1.26 lb)|
|Length||90 mm (3.54″)|