Canon EF 28mm f/1.8 USM

Lens Reviews / Canon Lenses i Lab tested
Lens Specifications
Name Canon EF 28mm f/1.8 USM
Image Circle 35mm
Type Wide Prime
Focal Length 28mm
APS Equivalent 45mm
Max Aperture f/1.8
Min Aperture f/22
Diaphragm Blades 7
Lens Construction 10 elements in 9 groups, including 1 aspherical element
Diagonal Angle of View(Based on image circle) 75 degrees
Focus Details Inner focusing; full-time manual focus and USM
Front Element Rotation No
Zoom System n/a
Closest Focus 0.25m / 0.8 ft.
Magnification Ratio 0.18x / 1:5.6
Filter Size 58mm
Dimensions(Length x Diameter) 56mm x 74mm / 2.2 in. x 2.9 in.
Weight 310g / 10.9 oz
Typical Online Price US$400