Description
GENERAL |
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Available | May 2003 |
Dimensions | 83.5 x 96.8 mm (Diameter x Length) |
Weight | 500 g |
Colors | Black |
Key features | USM quiet autofocus Super ultra-low dispersion glass Super spectra anti-flare coating Auto / Manual focus Dust & moisture resistant |
OPTICS |
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Optics type | Wide Angle Zoom Lens |
Image size | Full Frame |
Focal length | 17-40mm 28-70mm Equivalent APS-C |
Maximum aperture | F4 |
Minimum aperture | F22 |
Closest focus distance | 28 cm |
Max magnification | 0.24x |
OTHER COMPONENTS |
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Filter diameter | 77 mm |
Mount type | Canon EF |
AF actuator | Ultra Sonic Motor |
Lens elements | 12 |
Lens groups | 9 |
Diaphragm blades | 7 |
Component features | USM Quiet Autofocus Super Spectra Anti-Flare Coating Super Ultra-Low Dispersion Glass Dust & Moisture Resistant |