Pentax smc D FA 645 25mm F4 AL (IF) SDM AW

Prime lens | Pentax 645AF2
Principal specifications
Lens type Prime lens
Max Format size 645
Focal length 25 mm
Image stabilisation No (via camera body)
Lens mount Pentax 645AF2
Aperture
Maximum aperture F4.0
Minimum aperture F32.0
Aperture ring No
Number of diaphragm blades 9
Aperture notes rounded blades
Optics
Elements 12
Groups 8
Focus
Minimum focus 0.40 m (15.75)
Maximum magnification 0.11×
Autofocus Yes
Motor type Ultrasonic
Full time manual Yes
Focus method Internal
Distance scale Yes
DoF scale Yes
Physical
Weight 1070 g (2.36 lb)
Diameter 90 mm (3.54)
Length 140 mm (5.51)
Sealing Yes
Colour Black
Filter thread 41 mm
Filter notes inline filter, not front mount
Hood supplied Yes
Hood product code Built-in
Tripod collar No
Other
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