HD PENTAX-D FA 645 35mm F3.5 AL [IF]
An interchangeable wide-angle lens for use with medium-format digital SLR cameras, assuring sharp, high-resolution imagesThe lens design is based on the smc PENTAX-FA645 35mm F3.5AL[IF], renowned for its crisp image description. Thanks to the incorporation of a newly designed high-grade aspherical optical elements, it has been optimized for digital imaging by minimizing various aberrations.
...
It is also treated with the PENTAX-original HD Coating to deliver high-contrast, high-resolution images even under demanding lighting conditions such as backlight, making it ideal for scenic photography.
Product specifications
HD PENTAX-D FA 645 35mm F3.5 AL [IF]
26450
Type
Wide
Focal length (Equivalent to 35mm format)
35 mm (27.5mm)
Maximum aperture
F3.5
Minimum aperture
F32
Angle of view
76°
Lens construction
10 elements / 7 groups
No. of diaphragm blades
9
Closest focusing distance
0.3 m
Maximum reproduction ratio
0.25x
Filter size
82 mm
Diameter x length
Approx. 88 x 90 mm
Weight
Approx. 570 g