Canon EF 70-300mm f/4-5.6L IS USM Lens full-frame review by Ivo Freriks at Camera Stuff Review: The Canon 70-300 mm L is, given its optical performance and solid finish, an attractively priced compact telephoto zoom lens.

The Lens was previously tested with a cropped camera (EOS 650D) and now with a full frame EOS 5D Mark II Dslr body:

"The Canon 70-300 mm L is, given its optical performance and solid finish, an attractively priced compact telephoto zoom lens. The higher vignetting and distortion that you get, when using this lens, makes the total score of the Canon 70-300 mm L review half a point lower than the final score of our Canon 70-300 mm L review on a Canon 650D. Those who shoot in RAW can easily remove this difference by using the standard lens correction profiles in Canon's DPP software, Lightroom or Photoshop. In short, this is a lens to use with pleasure for years. . . . read more

Canon EF 70-300mm f/4-5.6L IS USM Lens Review at Ephotozine.

Of all the 70-300mm lenses in existense, this is the most expensive one. Is it worth the (hefty) premium?:

"Typical of Canon's L series lenses, this lens feels incredibly well-built and the tough white exterior finishes off the look. Sealing against dust and moisture has been applied to the lens, including a rubber gasket around the metal lens mount to . . . read more

Canon EF 70-300mm f/4-5.6L IS USM lens review by Craig B at Canon Rumors: I came into this review worried I wouldn’t be able to make enough good images with it since I had the 70-200 f/2.8L IS II with me. Thankfully I was wrong!

The lens is tested with EOS 5D Mark II and 1D mark IV dslr bodies:

"I came into this review worried I wouldn’t be able to make enough good images with it since I had the 70-200 f/2.8L IS II with me. Thankfully I was wrong! For the purpose of outdoor everyday photography, including  a safari, this is a fabulous lens. With the current landscape of lens pricing, I don’t think it’s overpriced. It’ll start dropping in price over the next few months. It’ll also be a lens that’ll show up in rebate programs.
This probably isn’t a lens for weddings, portraits, lowlight or indoor sports (unless it’s well lit or strobed) unless you have no other option. It will be a great lens for outdoor work, safaris, outdoor sports, zoos, kids and general travel shooting. . . . read more

Canon EF 70-300mm f/4-5.6 IS USM review at SLR Gear

"On a sub-frame body (we tested it on an EOS-20D), it delivers excellent sharpness from corner to corner, across most of its focal length range. It softens slightly at 300mm and f/5.6, but stopping down to f/8 returns it to excellent sharpness. Softness due to diffraction limiting begins at about f/11 though, so its

. . . read more

Canon EF 70-300mm f/4-5.6L IS USM review at SLR Gear

"The Canon 70-300mm ƒ/4-5.6L provides its best results for sharpness in the 100-135mm range, stopped down slightly. Issues noted above 200mm, particularly on full-frame cameras, suggest our sample could be slightly de-centered.

When mounted on the sub-frame 7D, the lens provides decent sharpness wide open at 70mm and ƒ/4; stopping down to ƒ/5.6 shows some 

Canon EF 70-300mm f/4-5.6 L IS USM Lens Review @ The Digital Picture

"Also following the lead of the EF 70-200mm f/4 L lenses is the inclusion of a soft lens case (the Canon LP1424 shown above) instead of the nicer padded and zippered cases the rest of the similarly-sized and similarly-priced white L lenses come with. The Canon EF 70-300mm f/4-5.6 L IS USM Lens, with its lens hood reversed, fits snugly (length-wise) in a Lowepro Lens Case 4S, snugly width-wise . . . read more

Canon EF 70-300mm f/4-5.6 USM L IS review at Photozone

"The Canon EF 70-300mm f/4-5.6 USM L IS is the latest addition to Canon's tele zoom lens lineup making it, by far, the most extensive system in this segment. Canon offers no less than SIX (!) ~300mm zoom lenses which makes you wonder whether their marketing folks went nuts altogether. :-) Just to give you an

. . . read more

Overview

Description by Canon:

The EF 70-300mm f/4-5.6L IS USM is part of Canon’s prestigious L series offering performance excellence with a versatile zoom range and superb image quality in a robust and compact design.

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