Canon EF-S 17-55mm f/2.8 IS USM Lens for Canon DSLR Cameras ...
I received my Canon EF-S 17-55mm f/2.8 IS USM lens today (12/28/06). It feels heavier by far than the 18-55mm kit lens, but lighter than I expected. Feels good (well-balanced) cradling the lens in the left hand near the base of the lens when mounted to my Canon Digital Rebel XT. I put the lens on the camera right away in a manner that would limit the opportunity for dust to intrude on the back of the lens or into the camera, since I’ve read about this lens not being sealed as well as “L” series Canon lenses. I may never take it off. 8-)
This lens focuses fast and sure–even in low light, no hunting around to lock onto a subject. Pictures taken with the camera hand-held at 1/10 to 1/15 sec shutter speeds inside with no flash were tack-sharp (Thanks to the IS). With F2.8 and IS, this lens opens up a whole new world of natural low-light photography. Not only are more inside shots possible, you also have the versatility to create gorgeous bokeh. You create these bokeh effects generally zoomed to 55mm (where the kit lens’ max aperture is F5.6). Since the EF-S 17-55mm f/2.8 has a constant F2.8 max aperature, you don’t have to worry about the depth of field increasing as you zoom. It is so confidence-inspiring to walk around and set your aperture where you want it to give you the depth of field you want, and not really worry about the shutter speed being too slow. Some of my outside dusk (low-light) shots at 1/6 sec shutter and F22 came out sharp (Thanks again to IS). I almost got vertigo when I first looked at my pics uploaded to my PC–they were so realistic. Images really pop!
The decision to go with this lens instead of some of the “L” grade lenses involved the following criteria:
1. Focal Length Range. I wanted at least the range of the 18-55mm kit lens.
2. Max Aperture. I wanted f/2.8, since f/4 is too confining for low-light situations. Also, f/4 doesn’t give you the depth of field limiting ability of f/2.8. Trade-off is size and weight (and price).
3. Constant Max Aperture. I wanted a constant max aperture throughout the zoom range. I don’t want to set the aperture and have the camera stop it down due to the max aperture decreasing as you zoom in (as is the case with the kit lens).
4. USM. I wanted the Ultrasonic Motor (USM) feature, since this is known to be the fastest and quietest autofocus technology.
ERR 01 on Canon 40D means 17-85 dead to lens-specific broken aperture problem. Replace with 17-55 f/2.8, 15-85 (perfect range) or 24-105L?
Read Reviews about : Canon EOS 60D Digital SLR Camera (Inc EF-S 17-85 mm f/4-5.6 IS USM Lens Kit) 
67mm Hard Tulip Lens Hood for Canon EF-S 17-85 IS USM: 67mm Hard Tulip Lens Hood for Canon EF-S 17-85 IS USM.
P... Canon 17-85 Lens - Bookshelf
British journal of photography
... CWD camera body set (no lens) £8219 Special Offer H3DII - 31 + 80mm lens ... Canon UK Stock 5D Body £1299 New 50D Body £ 1099 New SOD + 17/85 IS Lens E ...The Complete Guide to Canon's Rebel XSI / 450D Digital SLR Camera (B&W Edition)
... lenses will change the maximum f/stop as you zoom in; such as the 17-85 ... (This is as opposed to a Canon FD or FL lens, which was its manual focus ...Popular photography
649.95 Canon EF S Lenses For Uortol Only IMP USA Ef-S Lenses ore ... 979.95 929.00" 17- 85/4 5 6 IS USM 16.-^1 489.95 515.00 18- 55/35 56USM158B) . ...British journal of photography
FOR SALE Canon EOS 10s Mkll, lOmths old, hardly used and now expecting hence sale. ... 1099 60 mm Lens £637 43 mm Lens + viewfinder £ 1199 50 mm Lens ...Modern photography
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Canon U.S.A. : Consumer & Home Office : EF-S 17-85mm f4-5.6 ...
Equivalent to a 28-135mm lens, this new EF-S lens brings true wide-angle to tele coverage to EOS 20D and Digital Rebel shooters. It has Canon's Image Stabilization ...
Two Canon EF-S lenses and a flash: Digital Photography Review
Two Canon EF-S lenses and a flash: Canon has today announced two new digital SLR lenses and a flash with digital features. The EF-S 17 - 85 mm F4 - F5.6 IS USM lens ...
Canon EF-S 17-85mm f/4-5.6 IS USM Autofocus Lens 9517A002BA B&H
Buy now and take advantage of our low prices and great service. Read & review the Canon EF-S 17-85mm f/4-5.6 IS USM Autofocus Lens. For more information, please call ...
Canon EF-S 17-85mm f/4-5.6 IS USM Lens Review
The Canon EF-S 17-85mm f/4-5.6 IS USM Lens combines a very useful zoom range with image ... The moving water pictures in the 17-85 IS sample gallery were all shot handheld ...
FM Reviews - Canon EF-S 17-85mm f4-5.6 IS USM
• Focal Length & Maximum Aperture: 17 - 85mm; 1:4-5.6 • Lens Construction: 17 elements in 12 groups • Diagonal Angle of View: 78° 30' - 18° 25' • Focus Adjustment: ...