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, ...

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 ...

A built-in 1.4x extender pushes Canon's forthcoming 200-400mm zoom to a maximum of 560mm. Also: higher prices but lower weights for new 500mm and 600mm supertelephotos. Stephen Shankland worked at ...

We go hands on with the new Canon EF 200-400mm f/4 L IS USM at Focus on Imaging 2013.

Various pre-production models of Canon’s monstrous new zoom lens have been floating around for quite some time now, but they have officially announced its availability and price and it’s everything we ...

Sometimes the massive price tags on fancy gear, especially lenses, can seem crazy until you realize just how much work goes into making these things. The Canon EF 200-400mm F/4L IS USM is actually ...

Add Yahoo as a preferred source to see more of our stories on Google. Canon EF 200-400mm f/4L IS USM Extender 1.4x A Canon RF 200-500mm f/4L IS USM has been long rumored, and now the team over at ...

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 ...

This month will see the release of Canon’s EF 200-400mm f/4L IS USM Extender 1.4x lens, the first super-telephoto zoom lens to incorporate an internal extender. Side view of the new Canon’s EF ...

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 ...

The Canon EF 200-400mm f/4L IS USM Extender 1.4x – improved performance and versatility for professional sports and wildlife photographers ...