| Description A new and affordable L-series ultra-wide-angle zoom lens thats perfect for both film and digital SLRs. Superior optics are assured by the use of three Aspherical lens elements, in addition to a Super UD glass element. Optical coatings are optimized for use with digital cameras.
Specification - Canon EF 17-40mm f/4L USM
Focal Length & Maximum Aperture - 17 - 40mm; 1:4
Lens Construction - 12 elements in 9 groups
Diagonal Angle of View - 104° - 57° 30
Focus Adjustment - Inner focusing system with USM
Closest Focusing Distance - 0.28m / 0.9 ft.
Zoom System - Rotating type
Filter Size - 77mm
Max. Diameter x Length
83.5 x 96.8mm
Weight - 500g
Conetns in box - Canon EF 17-40mm f/4L USM
Canon EF 17-40mm f/4L USM Lens
User manual
Rear cap
Front cap
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