The Fluorine coating resists soiling, smears and fingerprints. Extender EF 2X III meets all necessary standards in terms of rugged, dustproof and water-resistant construction, and should be in every professionalā€™s camera bag. Extends the master lens focal length by 2x. Outstanding image quality. Highly resistant to dust and water. 877.579.2732 Canon EF 2x II Extender is a high-quality teleconverter that preserves the image quality of the lens it's mounted to and multiplies its focal length by 2x. When combined with pro level EOS cameras & EF supertelephoto lenses with image stabilization, near imperviousness to weather extremes is achieved thanks to rubber gasket seals. If you use the same lens with a 2x Extender, it becomes a 140-400mm f/5.6 lens. In the same way, the EF 70-200mm f/4L IS II USM lens has a maximum aperture of f/4, but with a 1.4x Extender, the effective maximum aperture becomes f/5.6, while with a 2x Extender it becomes f/8. This lens may be used with either of the Canon EF 1.4x II or Canon EF 2x II Teleconverters. Extension Tubes . Use the Canon EF12 II to get close-ups to about one-quarter life-size at the image sensor. Use the Canon EF25 II to get close-ups to about 4/10 life-size at the image sensor. Close-up Lenses 70-200 F/4 IS with 2x extender. Jul 1, 2018. 3. I have seen very little written about this combo and nearly everything that is said is not complimentary. I took the combo out the other evening and was pleasantly surprised with the results. I used a 5D mark iv so PDAF autofocus is possible despite a maximum aperture of F/8. ZEISS Lens Cleaning Kit ā‚¹ 2,290. Price for all selected : ā‚¹ 43,475. Overview. Specifications. In The Box. Questions. 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. item 3 [MINT in Box] Canon EF Extender 2X II AF Teleconverter for EOS EF FF1194[MINT in Box] Canon EF Extender 2X II AF Teleconverter for EOS EF FF1194. $249.00. Free shipping. item 4 Canon Extender Ef2X 2-Inch Ef2X2Canon Extender Ef2X 2-Inch Ef2X2. $479.99. Scheduled to go on sale from the end of July, the Extender RF 1.4x will cost $499.99/ Ā£559 (AU$1,010) while the Extender RF 2x will carry a $599.99 / Ā£699 (AU$1,263) price tag. ā€¢ Pre-order the Extender RF 2x at B&H Photo ā€¢ Pre-order the Extender RF 2x at Wex Photo Video ā€¢ Pre-order the Extender RF 1.4x at B&H Photo Jan 31, 2013. I am thinking of upgrading my 500 f4 mark I to mark II, to use with my 5D3, for birding. The key reason to upgrade is that the 500+5D3 doesn't give me enough reach at times. I am hoping that the 500 mark 2 will pair better with the Extender mark 3. However, I heard that with the 2 stops penalty, I can't AF using the 2X extender. A Canon EF 70-200 mm f/2.8 L IS III USM thus becomes a 140-400 mm f/5.6. It becomes even more spectacular with a super telephoto like the EF 400 mm f/2.8 L IS III USM. With the Extender EF 2x III, you get an impressive 800 mm f/5.6 L. Ideal for nature photography, for example. Click on the product for specifications, prices and test results. Moxkk.