Canon Lens EF20mm f/2.8 USM
Angle of View 84 . 62 . 94
Construction 9 - 11
No of Diaphragm Blades 5
Minimum Aperture 22
Closest Focusing Distance(m / ft) 0.25 / 0.8
Maximum Magnification(x) 0.14
Drive System Ring-type USM*1
Distance Scale o
Water / dust-resistance -
Filter Size(mm) 72
Maximum Diameter x Length(mm / in) 77.5 x 70.6 / 3.1 x 2.8"
Weight(g) 405
With Extender EF1.4XII attached
Focal Length(mm) -
Maximum aperture(f/) -
Maximum magnification(x) -
AF -
IS -
With Extender EF2XII attached
Focal Length(mm) -
Maximum aperture(f/) -
Maximum magnification(x) -
AF -
IS -