Canon's EF 200-400 lens delivers terrific optics and unmatched zoom flexibility with an innovative built-in 1.4x telephoto extender. Stephen Shankland Former Principal Writer Stephen Shankland worked ...

After 16 years, the versatile but elderly telephoto zoom now has a successor. The new 100-400mm lens has better optics and image stabilization, along with a higher price. Stephen Shankland worked at ...

The laws of physics and the nature of light dictate that super-telephoto lenses with big apertures will always be big, heavy, and expensive. They require small tolerances across giant slabs of glass, ...

On the outside, the third-generation 400mm F/2.8 and 600mm F/4 lenses look absolutely identical to their predecessors, aside from a slightly different nameplate. In fact, it’s not until you pick up ...

Buying the right camera, lens, accessory or software to suit your photography is really important. Our product reviews offer independent views with hands-on opinion and honest verdicts aimed to give ...

The Canon RF 400mm F2.8L IS USM and RF 600mm F4L IS USM are two new super telephoto lenses that offer incredible focusing speeds. Optically identical to the EF versions, the RF 400mm and 600mm both ...

The Dragonfly Telephoto Array installed in New Mexico. It presently uses 48 Canon 400mm lenses (in two arrays), but that number will be increasing by quite a bit. Image by Pieter van Dokkum, Yale ...

Canon have just unveiled two brand new lenses for EOS R full-frame mirrorless cameras, an ultra-wide-angle prime and a super-telephoto zoom. The RF 16mm f2.8 STM is an ultra-wide angle prime lens that ...

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