A cut-in half Canon EF 400mm F2.8L IS II lens from 2010, shown surround by all the components from which it's made, in the ...

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 ...

We spend a day shooting aeroplanes with Andy Rouse to test the new Canon EF 200-400mm f/4L IS USM Extender 1.4x lens. The Canon EF 200-400mm f/4L IS USM Extender 1.4x is a professional quality ...

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 ...

USM stands for Ultrasonic Autofocus Motor. These lenses offer manual focus override and fast, smooth and comparatively quiet ...

Canon's EF 200-400mm f/4L IS USM Extender 1.4x ($10,999) is a behemoth of a lens that ships in a hard carrying case. It's not a good choice for the weak of back, but its optical performance is superb, ...

One lens to rule them all … that's the dream, isn't it? Imagine, a compact, light L series Canon jobbie with a constant f/1.0, image stabilization, ultrasonic drive and a zoom from 10mm to 400 without ...

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 ...

A new 400mm supertele is just the beginning. Canon also says it plans a replacement for its 100-400mm zoom and new compact models using diffractive optics. Stephen Shankland worked at CNET from 1998 ...

Canon’s EF 200-400mm f/4L IS USM Extender 1.4X more than satisfies the requirements of its target market. Sports and wildlife photographers should be delighted by the convenience of the built-in ...

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 ...