Pentax smc D FA 645 55mm F2.8 AL (IF) SDM AW

Prime lens | Pentax 645AF2
Principal specifications
Lens type Prime lens
Max Format size 645
Focal length 55 mm
Image stabilisation No (via camera body)
Lens mount Pentax 645AF2
Aperture
Maximum aperture F2.8
Minimum aperture F22.0
Aperture ring No
Number of diaphragm blades 9
Aperture notes rounded blades
Optics
Elements 9
Groups 7
Focus
Minimum focus 0.50 m (19.69)
Maximum magnification 0.17×
Autofocus Yes
Motor type Ultrasonic
Full time manual Yes
Focus method Internal
Distance scale Yes
DoF scale Yes
Physical
Weight 416 g (0.92 lb)
Diameter 81 mm (3.19)
Length 68 mm (2.68)
Sealing Yes
Colour Black
Filter thread 67 mm
Filter notes Does not rotate on focus
Hood supplied Yes
Hood product code PH-RBN 67mm
Tripod collar No
Other
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