Focal Length:50mm
Maximum Aperture:f/1.8
Lens Construction:6 Elements in 5 groups
Minimum Focus Distance:Approx. 1.5 feet
Maximum Reproduction Ratio:0.15
Number of Diaphragm Blades:7 blades
Picture Angle:46 degrees
Aperture:f/1.8-22
Filter Attachment Size:52mm
Hood:HR-2 Rubber hood
Included Accessories:52mm Lens cap, Rear cap
Dimensions:2.5 x 1.5 in.
Weight:Approx. 5.5 ounces