Rokinon 100mm f/2.8 Macro IF ED UMS Canon EF 100M-C

Weight: 720 g
Brand: Rokinon
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: Macro mode, internal focusing
Length: 123.1 mm
Diameter: 72.5 mm
Focal length: Permanent
Lens type: Macro lens
Minimum focus distance: 0.307 m
Focal length of prime lens: 100 mm
Bayonet: Canon EF
Filter thread diameter: 67 mm
Aperture F at max. focal length: 2.8
Aperture F at min. focal length: 2.8
Minimum aperture F: 32
Number of aperture blades: 9
Number of element groups: 12
Number of low dispersion elements: 1
Number of elements: 15