Reviews and Problems with Canon EF 70-300mm f/4.5-5.6 DO IS USM
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Canon EF 70-300mm f/4.5-5.6 DO IS USM Lens Review
SLR Lens and Camera Reviews
6 June 2009
Summary: Canon EF 70-300mm f/4.5-5.6 DO IS USM is a pretty unique lens in sense that it is one of the only two Canon lenses that incorporate diffractive optics. When the lens was first released in 2004 (following the release of Canon EF 400mm f/4 DO IS USM), Canon was believed to quickly follow up with...
Excerpt: One of only two lenses that contains both refractive and diffractive glass elements, this image-stabilized tele zoom is dramatically more compact -- and expensive ($1,143, street) -- than its refractive-only Canon ($549, street) or Nikon ($479, street) counterparts.
Excerpt: As a long-term user of a Canon 75-300 IS USM lens I hoped that Canon would bring out an L-series version of this lens with better optical quality, especially at the 300mm end. When Canon introduced the 100-400 IS lens I bought one to get higher quality images of wildlife at long focal lengths but...
Conclusion: The Canon EF 70-300mm f/4.5-5.6 DO IS USM is a compact, very fast-focusing zoom telephoto lens that provides generally excellent imaging function including excellent image stabilization at a high price. It is a weak performer at 300mm.
Canon EF 70-300mm f/4.5-5.6 USM DO IS - Full Format Review / Test Report
23 March 2009
Conclusion: The Canon EF 70-300mm f/4.5-5.6 USM DO IS is a promising new approach ... on paper at least. The DO elements allows a much more compact design compared to conventional lenses and our camera bags are certainly bulky enough already so that's something to be appreciated for sure.
Canon EF 70-300mm f/4.5-5.6 USM DO IS - Review / Lab Test Report
19 March 2008
Conclusion: In principal the Canon EF 70-300mm f/4.5-5.6 USM DO IS is a very interesting lens ... in principal. From a performance point of view it delivers all that a consumer has hoped for - high resolution figures in conjunction with low distortions, low vignetting and low chromatic aberrations and all...