Focal length: 28 mm
Maximum aperture: 2.8
Minimum aperture: 22
Diagonal Angle of View: 75o
Lens Construction: 8 elements in 6 groups
Closest Focusing Distance: 0.5 m
Image ratio at close range: 1 : 16
Coverage at close range: 37 cm x 55 cm
Filter: M 46 x 0.75
Dimensions (D x L): 53mm x 62mm
Weight: 230g