Canon EF 400mm f/4 DO IS II USM Review

March 29, 2016 | Jack Baker | Rating star Rating star Rating star Rating star Half rating star

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Reviews of the Canon EF 400mm f/4 DO IS II USM from around the web. »

Weighing in at about half the weight of a 400mm f/2.8 lens, the Canon EF 400mm f/4 DO IS II USM Lens immediately finds favor with sports and wildlife photographers looking for an easily hand-holdable, high-performance lens. This lens is positioned to be the ultimate lightweight, hand-holdable sports and wildlife lens and is one of the overall best-performing lenses available. The 400 DO II was designed for those who are serious about what they are photographing and is priced accordingly.
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Ah, one of the rare Canon L-series lenses not to sport that distinctive red ring. Indeed, the newly redesigned Canon EF 400mm ƒ/4 DO IS II USM, like other Canon "DO" lenses, uses a green ring to denote the use of special Diffractive Optics. The original model was released back in 2001, and this updated "Mark II" version not only gets subtle cosmetic updates, but also a notable redesign in its optical formula aimed at increasing image quality and reducing flare.
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A professional-grade telephoto lens, which sports a moderately fast maximum aperture of f/4, image stabilisation, silent focusing with full-time manual focus override and a relatively compact design, thanks to the use of Diffractive Optics. This is quite a specialised lens, costing around £7000, so we'll take a close look at how it performs in this review.
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