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Canon EF 17 - 40 mm F4.0 L lens

Feb 27, 2003 at 14:04:22 GMT

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Pre-PMA 2003, 14:00 GMT: Canon has today announced a new 'L series' EF lens. The 17 - 40 mm F4.0 L is designed to be a high quality, lightweight lens for both film and D-SLR cameras. On the new EOS-10D this lens would produce a field of view range equivelant to a 27 - 64 mm zoom lens. For film SLR or EOS-1Ds users this lens provides ultra wide-angle zoom. Other features include a constant F4.0 aperture and minimum focus distance of 28 cm across the entire zoom range.

Canon EF 17 - 40 mm F4.0 L lens

Focal length range	17 - 40 mm
D30/D60/10D equiv.	27 - 64 mm
Max aperture	F4.0 across zoom range
Minimum focus distance	28 cm across zoom range
Filter diameter	77 mm

Canon EF 17-40mm f/4.0L USM

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Comments

The walkaround lens. This very topic leads to a heated discussion among DSLR photographers.

First, determine your budget, focal length, and aperture needs.

If you frequently find yourself zooming out to get everything in a frame, you will want a wide angle lens such as this. If you frequently find yourself zooming in, this is not the lens for you. On a full frame body such as Canon EOS 5D, this lens becomes ULTRA wide angle. On an APS-C crop body such as Digital Rebel XTi (which I used for this review), it becomes MEDIUM wide angle. But thanks to 1.6x crop factor, this lens expands to more usable 35mm equivalent focal length of 27 to 64mm.

More Review : http://canonslr.babybi.com/detail.php?id_detail=Canon-EF-17-40mm-f-4L-USM-Ultra-Wide-Angle-Zoom-Lens-for-Canon-SLR-Cameras-id79&website=dpreview

Comment edited 18 seconds after posting

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