Pentax SMC DA 645 25mm f/4 AL IF SDM AW

Weight: 1040 g
Brand: Pentax
Description: Mount: Mamiya 645, lens type: standard, focal length: variable, min. focal length: 55 mm, max. focal length: 110 mm, aperture F at min. focal length: 4.50, aperture F at max. focal length
Type: Lens
Functions: Ultrasonic motor
Length: 140 mm
Diameter: 90 mm
Focal length: Permanent
Lens type: Wide angle
Minimum focus distance: 0.4 m
Auto focus: There is
Focal length of prime lens: 25 mm
Bayonet: Pentax 645
Filter thread diameter: 40.5 mm
Aperture F at max. focal length: 4
Aperture F at min. focal length: 4
Minimum aperture F: 32
Number of aperture blades: 9
Number of element groups: 8
Number of elements: 12