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Canon EF 17-40mm f/4L USM
Canon EF 17-40mm f/4L USM
Lens
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O000420
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Technical Information
Manufacturer
Canon
Model
EF 17-40mm f/4L USM
Lens type
Wide Angle
Category
Zoom
Features
Aspherical
Filter diameter
77 mm
Weight
475 g
Length
196.8 mm
Aperture
1 : 4.0
Minimum aperture
22
Focal length
17.0 - 40.0 mm
Angle of view
104° - 57°30'
Lens construction (Lens / Groups)
12 / 9
Maximum magnification
1 : 4.2
Closest focusing distance
28 cm
Year of release
2003