The EF-S 17-55mm f/2.8 IS USM Lens from Canon is a large-aperture lens compatible with APS-C format digital SLR cameras, and offers a versatile wide-angle to short telephoto zoom range. The focal length is equivalent to approximately 27-88mm in 35mm format and its constant f/2.8 maximum aperture is effective in low light throughout the zoom range. A wide maximum aperture also enables shallow depth of field control.
Canon 17-55mm F/2.8 Specs
Focal Length |
17 - 55mm Comparable APS-C Focal Length: 27.2 - 88 mm |
Aperture |
Maximum: f/2.8 Minimum: f/22 |
Camera Mount Type |
Canon EF-S |
Format Compatibility |
APS-C |
Angle of View |
78¬?¬†30' - 27¬?¬†50' |
Minimum Focus Distance |
1.15' (35 cm) |
Magnification |
0.17x |
Maximum Reproduction Ratio |
1:5.9 |
Optical Design |
19 Elements in 12 Groups |
Diaphragm Blades |
7, Rounded |
Image Stabilization |
Yes |
Autofocus |
Yes |
Filter Thread |
Front: 77 mm |
Dimensions (DxL) |
Approx. 3.29 x 4.35" (83.5 x 110.6 mm) |
Weight |
1.42 lb (645 g) |