Editorial Review:Product Description:This lens delivers over 4x telephoto zoom for Canon autofocus SLR Digital-camera and Film-camera models. AF is super-fast and silent with a ring-type USM, and it focuses down to 4.6 feet without rotating the front element. A new zoom lock button keeps the lens safe and secure when not in use or used at the widest lens perspective. Circular aperture producing attractive background defocus Micro USM and new AF algorithms for fast and quiet autofocus Only environmentally friendly lead-free glass used in lens construction F stop range 4.5-32 / 5.6-38 Closest Focusing Distance 1.4m / 4.6 ft. 4.2x zoom magnification Accepts 58mm size filters Dimensions (Length x Diameter) 3.9 x 3.2 / 99.9 x 82.4mm Weight 25.4 oz. / 720g
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Customer Reviews
Average Rating:
-
Great zoom lens for selective focus
I took this lens to the zoo last week, and got some great shots of the animals. I found out that I really should have used a tripod or a monopod for some of the zoomed-in photos, but live and learn. I'm very happy with the quality of the construction.
Rating: 
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A budget telephoto
I'm brand spanking new to DSL's and took a big plunge with a 400D XTi. I wanted a telephoto; probably more for braggen rights and when I went looking for a telephoto having the 'IS' for Image Stabilizer, something with reach and most importantly looks cool (about 7" long by itself)...well, I had to be realistic about a budget and got this one. As far as quality-hey it's Canon which means pretty good stuff. I rated it at 4 cuz I've not used it yet but for the price? Well, it's either one like this or about a 1000 buck's more. I don't think it's going to see that tick on an elk at 5 miles but it brings those duck's up closer than my point a shoot which seems to always look farther away. Still a bit pricey for us DSL newbies but it's got the all the right stuff for a starter telephoto, in my opinion.
Rating: 
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Canon 70-300mm IS Lens - Excellent Stabilized Lens
I've owned many cameras and lens over 3 decades. My copy of the Canon 70-300mm IS lens is an excellent performer. It has a reasonable build quality, is capable of sharp photos under most conditions and the stabilization and focus are fast and very reliable. I use mine with a 30D body and find the combination excellent for shooting outdoor action shots and indoor shots with reasonable lighting.
The lens focuses pretty fast and in fairly low light and has provisions for stabilization when panning.
This is hard to beat. I owned the predecessor and this one is worth the upgrade.
Rating: -
Get product, Great Service
I received this a few days after my new Canon XSI. I used it for about a week and loved it's crisp clean resolution, image stabilization, auto focus, etc. However, after using it for awhile I realized that the manual focus was not working properly. I was so disappointed. After the initial shock of the malfunction, I went to the Canon website and applied for warranty service. I followed that instructions, and within a little over a week, I had my lens back good as new. The whole process was very simple and straight forward. I did have to pay for shipping but the repair was free. All in all I am very happy with the lens, service, and would highly recommend it to anyone from beginner to advanced photographer.
Rating: -
Canon EF 70-300mm f/4-5.6 IS USM Lens for Canon EOS SLR Cameras
For the price it is a superb lens. I find no flaws at this time. It seems to do everything it is supposed to do. A very nice complimentary lens to the 28-135mm IS that I also find is an excellent lens. Maybe neither is an L quality lens but with the difference in price you can take a couple of photo tours and enjoy your camera and lenses. I would recomment this lens. Buy it without any hesitation.