As a 1.4x teleconverter, the focal length of the attached lens is magnified by a factor of 1.4x, with a 1 f/stop reduction in aperture rating, so a 70-200mm f/2.8 zoom effectively becomes roughly a ...
Digital Camera World on MSN
A 300mm f/2.8 and 400mm f/4 in one prime lens? Canon might follow Nikon's built-in teleconverter super-telephoto trend
It's a telephoto prime with a built-in teleconverter, letting photographers switch between two focal lengths in seconds. Here ...
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 ...
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 ...
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