EF17-40mm f/4L USM


Angle of View (Diagonal) 104°~57°30’
Angle of View (Horizontal) 93°~49°20’
Angle of View (Vertical) 70°30’~34°
Closest Focusing Distance (m, ft) 0.28/0.9
Construction (Groups Elements) 9-12
Diameter x Length (mm) (Approx.) 83.5 x 96.8
Distance Scale o
Drive System Ring-type USM
Filter Size (mm) 77
Max. Magnification (x) 0.24
Min. Aperture 22
No. of Diaphragm Blades 7
Anti-dust and Moisture Supported
Weight (g) (Approx.) 475
Accessories (Lens Cap) E-77 II
Accessories (Lens Hood) EW-83E
Accessories (Lens Bag) LP1319