Canon EF 20mm f/2.8 USM

Wideangle prime lens | Canon EF | 2509A003
Principal specifications
Lens type Prime lens
Max Format size 35mm FF
Focal length 20 mm
Image stabilization No
Lens mount Canon EF
Aperture
Maximum aperture F2.8
Minimum aperture F22
Aperture ring No
Number of diaphragm blades 5
Optics
Elements 11
Groups 9
Focus
Minimum focus 0.25 m (9.84)
Maximum magnification 0.14×
Autofocus Yes
Motor type Ultrasonic
Full time manual Yes
Focus method Rear
Distance scale Yes
DoF scale Yes
Physical
Weight 405 g (0.89 lb)
Diameter 78 mm (3.05)
Length 71 mm (2.78)
Materials Plastic barrel, metal mount
Sealing No
Colour Black
Filter thread 72.0 mm
Hood product code EW-75II
Tripod collar No
Optional accessories Hard Case LH-D13 Soft Case LP1214
Other
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