I am showing large resolution files to prove that Canon 300mm f2.8 L IS mark1 and Canon extender 2x mark3 at wide open aperture show some amazing results. Y Bundle Items Includes: 1 x Canon Extender EF 2X III, 1 x Lens Cap Keeper, 1 x Cleaning Kit The Extender EF 2X III from Canon is designed for select Canon EF mount L-series telephoto lenses. It increases the focal length of a lens by a factor of 2x while still delivering superb image quality. Does "Canon Extender EF 2x II" works wiht "Canon EF-S 55-250mm f/4-5.6 IS" lens. Alas, there is no both good and cheap solution to 400mm plus. If there were, everyone would be using it. Erik. Well, fast forward to 2015, the Tamron 150-600 and the Sigma 150-600 contemporary are very good for the relative inexpensive price.
Extender RF 2x. Extends a super telephoto lens’ focal length by 2x, so that an 800mm focal length, for example, becomes 1 600mm. The extra reach makes it possible to get larger close-ups with the original camera resolution. Dust and drip resistance design with white heat-shield coating.
Canon EF 2x II extender 35mm Converters user reviews : 3.8 out of 5 - 7 reviews - photographyreview.comRead more Expert news, reviews and videos of the latest digital cameras, lenses, accessories, and phones. . 435 420 443 107 412 38 193 439

canon extender ef 2x ii price