Canon EF 200-400mm f/4L IS USM Extender 1.4x Review
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, and an integrated teleconverter magnifies distant subjects without having to swap to a longer lens. If you lust after the depth of field control that an f/4 telephoto provides and you have a huge budget, it may be worth considering. But if you're willing to sacrifice some light-gathering capability, you can get a less heavy zoom that's also quite sharp for about a tenth of the cost. That's our Editors' Choice, the Sigma 150-600mm DG OS HSM Contemporary, which is available for Canon systems, as well as Nikon and Sigma SLRs.
DesignCalling the 200-400mm big doesn't quite paint the picture. Without its hood attached it measures 14.4 by 5 inches (HD) and weighs a solid 8 pounds. The hood adds about 6 inches to the height. There's an integrated tripod collar—it's permanently attached—with ...
The Canon EF 200-400mm f/4L IS USM Extender 1.4x is a long zoom lens with an integrated teleconverter, but its price is higher than competing lenses.
Very sharp; Superb build quality; Wide aperture for a telezoom; Integrated teleconverter; Uses small drop-in filters; Focus limiter function; Rotating tripod collar; Includes hard case and carrying straps
Extreme price tag; Heavy