Canon EF 70-200mm f/4L USM

Lens Reviews / Canon Lenses i Lab tested
Lens Specifications
Name Canon EF 70-200mm f/4L USM
Image Circle 35mm
Type Telephoto Zoom
Focal Length 70 - 200mm
APS Equivalent 112 - 320mm
Max Aperture f/4
Min Aperture f/32
Diaphragm Blades 8
Lens Construction 16 elements in 13 groups, including 1 flourite element and 2 UD elements
Diagonal Angle of View(Based on image circle) 34 to 12 degrees
Focus Details Internal focusing; full-time manual focus and USM
Front Element Rotation No
Zoom System Rotary
Closest Focus 1.2m / 3.9 ft.
Magnification Ratio 0.21x / 1:4.8
Filter Size 67mm
Dimensions(Length x Diameter) 172mm x 75mm / 6.8 in. x 3.0 in.
Weight 705g / 1.6 lb
Typical Online Price US$600