Sony 300mm f/2.8G SAL-300F28G

Weight: 2310 g
Brand: Sony
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: Focusing motor for Nikon F, ultrasonic motor
Length: 242.5 mm
Diameter: 122 mm
Focal length: Permanent
Lens type: Telephoto lens
Max viewing angle: 8.1 deg.min
Minimum focus distance: 2 m
Auto focus: There is
Focal length of prime lens: 300 mm
Bayonet: Minolta A
Filter thread diameter: 42 mm
Aperture F at min. focal length: 2.8
Minimum aperture F: 32
Number of aperture blades: 9
Number of element groups: 12
Number of elements: 13