Canon EF 17-40mm f/4L USM lens has an entirely new optical design with three Aspherical elements and a Super UD-glass element. The combination provides superb contrast and sharpness, even at the widest settings.
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Features Highlight
| Angle of View (diagonal) |
104° - 57°30' |
| Lens Construction |
12 elements in 9 groups |
| No. of Diaphragm Blades |
7 |
| Minimum Aperture |
f/ 22 |
| Closest Focusing Distance (m) |
0.28m |
| Maximum Magnification (X) |
0.24x |
| AF Actuator |
Ring USM |
| Filter Diameter (mm) |
77mm |
| Max. Length x Diameter (mm) |
96.8 x 83.5 mm |
| Weight (g) |
475g |
Package Include:
Canon EF 17-40mm f/4L USM
Lens Hood EW-83E
Lens Cap E-77U
US$799.00
