| Category: |
»
Audio. video. a photo
»
Photographic equipment
»
Lenses
|
|
Model:
|
EF 20mm f/2.8 USM
|
|
Manufacturer:
|
Canon
|
|
|
Lens type
|
wide-angle
|
|
Focal length
|
20 mm
|
|
Diaphragm
|
F2.80
|
|
Minimum aperture
|
F22
|
|
Mounting
|
Canon EF
|
|
Auto Focus
|
Yes
|
|
Viewing Angle
|
94 deg.min
|
|
Closest focusing distance (m)
|
0.25
|
|
Number of diaphragm blades
|
5
|
|
Weight (g)
|
405
|
|
Number of elements / razdel of elements_2
|
eleven
|
|
Number of elements / razdel of elements_1
|
9
|
|
Dimensions (D x L) _2 (mm)
|
77.50
|
|
Dimensions (D x L) _1 (mm)
|
70.60
|
|
Ultrasonic motor
|
Yes
|
|
Internal focusing
|
Yes
|
|
Thread diameter for the filter (mm)
|
72
|
