Focal length: 50 mm
Maximum aperture: 1.5
Minimum aperture: 16
Diagonal Angle of View: 46o
Closest Focusing Distance: 0.9m/2.9ft
Lens Construction: 6 elements in 4 groups
Image ratio at close range: 1 : 15
Coverage at close range 37 cm x 55 cm
Filter: M 46 x 0.75
Dimensions (D x L): 56mm x 63mm
Weight: 250 g