Specifications
Focal Length: 20mm
Maximum Aperture: 2.8
Minimum Aperture: 22
Closest Focusing Distance: 0.85 ft. (0.25m)
Filter Size: 62mm
Angle of View: 94o (FX-format), 70o (DX-format)
Lens Construction: 12 Elements in 9 Groups
Maximum Reproduction Ratio: 1:8.3
Dimensions (D x L): 69mm x 42.5mm (2.7in. x 1.67in.)
Weight: 9.5oz. (270g)
Maximum Aperture: 2.8
Minimum Aperture: 22
Closest Focusing Distance: 0.85 ft. (0.25m)
Filter Size: 62mm
Angle of View: 94o (FX-format), 70o (DX-format)
Lens Construction: 12 Elements in 9 Groups
Maximum Reproduction Ratio: 1:8.3
Dimensions (D x L): 69mm x 42.5mm (2.7in. x 1.67in.)
Weight: 9.5oz. (270g)