Tokina AT-X 12-18mm f/4 AT-X 128 PRO DX Nikon F

Weight: 530 g
Brand: Tokina
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, macro mode, internal focusing
Length: 90.2 mm
Diameter: 84 mm
Max. focal length: 28 mm
Min. focal length: 12 mm
Focal length: Variable
Lens type: Wide angle
Zoom ratio: 2.3x
Max viewing angle: 99.37 deg.min
Auto focus: There is
For non-full frame cameras only: Yes
Bayonet: Nikon F
Filter thread diameter: 77 mm
Aperture F at max. focal length: 4
Aperture F at min. focal length: 4
Minimum aperture F: 22
Number of aperture blades: 9
Security: Moisture protection
Minimum viewing angle: 54.73 deg.min
Zoom in macro mode: 0.2
Number of element groups: 12
Number of elements: 14