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- Canon EF-S 17-85mm 1:4-5.6 IS USM review
On Wednesday, September 12, 2012
Headline features
- 27-136mm equivalent focal length range; F4-5.6 maximum aperture
- Optical image stabilization � 3 stops
- Ring-type USM focusing with full-time manual override
- EF-S mount for Canon APS-C dSLRS only
Angle of view
The pictures below illustrate the focal length range from wide to telephoto:17mm (27mm equivalent) | 85mm (136mm equivalent) |
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Canon EF-S 17-85mm 1:4-5.6 IS USM specifications
Street price | � US: $520 � UK: �360 |
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Date introduced | August 2004 |
Maximum format size | APS-C |
Focal length | 17-85mm |
35mm equivalent focal length (APS-C) | 27-136mm |
Diagonal Angle of view (APS-C) | 78� - 18� |
Maximum aperture | F4-5.6 |
Minimum aperture | F22-32 |
Lens Construction | � 17 elements/12 groups � 1 Aspherical element |
Number of diaphragm blades | 6 |
Minimum focus | 0.35m |
Maximum magnification | 0.20x at 85mm |
AF motor type | � Ring-type Ultrasonic Motor � Full-time manual focus |
Focus method | Internal |
Image stabilization | � 3 stops � Single mode (no panning) |
Filter thread | � 67mm � Does not rotate on focus |
Supplied accessories | � Front and rear caps |
Optional accessories | � EW-73B Hood � LP1116 Case |
Weight | 475 g (16.7 oz) |
Dimensions | 78.5 mm diameter x 92 mm length (3.1 x 3.6 in) |
Lens Mount | Canon EF-S only |
Other | Supplies distance information for E-TTL II flash metering |
Original Article:www.dpreview.com