HD Pentax-DA645 28-45mm F4.5ED AW SR

Announced Aug 4, 2014 •
Prime lens | Pentax 645AF2 | 26390
Principal specifications
Lens type Prime lens
Max Format size Medium Format (645)
Focal length 28–45 mm
Image stabilization Yes (3.5 stops)
Lens mount Pentax 645AF2
Aperture
Maximum aperture F4.5
Minimum aperture F32
Aperture ring No
Number of diaphragm blades 9
Aperture notes Rounded blades
Optics
Elements 17
Groups 12
Special elements / coatings HD and Aero Bright coatings
Focus
Minimum focus 0.40 m (15.75)
Maximum magnification 0.21×
Autofocus Yes
Full time manual Yes
Focus method Internal
Distance scale Yes
Physical
Weight 1470 g (3.24 lb)
Diameter 99 mm (3.9)
Length 152 mm (5.98)
Materials Metal
Sealing Yes
Colour Black
Zoom method Rotary (internal)
Power zoom No
Zoom lock No
Filter thread 82 mm
Hood supplied Yes
Hood product code 38709
Tripod collar No
Other
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