Model Overview. Ideal for press, sports and nature photography, the extender increases the focal length of Canon L-series telephoto or telephoto zoom lens’ by a factor of 2x, with higher AF accuracy and improved communication between camera and lens. See full specs. Buy a used Canon EF 2x III Extender, trade-in your own, or sell for cash * Sharper than the EF 2x III extender (which is slightly softer). * Lightweight and easily carried. * Matches the stark-White tone of the newer white Canon L-Series lenses. * Extremely well built. * More robust (more lock-down assembly screws!) than previous versions. * Increases the focal length of the lens used by 1.4x Used Canon Extender EF 2x III Teleconverter D CONDITION: D. SKU: US1759576 MFR: 4410B002. Free Shipping $ 320. 00 $ 54 /mo suggested payments with 6‑month special More than 625,000 visual storytellers around the world use MPB to buy, sell or trade in used photo and video kit. We’re rated five stars on Trustpilot. Buy a used Canon EF 2x III Extender, trade-in your own, or sell for cash, with MPB. 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. EF-S 60mm f/2.8 Macro USM; Extender EF 1.4x; Extender EF 1.4x II; Extender EF 1.4x III; Extender EF 2x; Extender EF 2x II; Extender EF 2x III; Extender RF 1.4x; Extender RF 2x; Mount Adapter EF-EOS R; Mount Adapter EF-EOS R 0.71x; Mount Adaptor EF-EOS M; MP-E 65mm f/2.8 1-5X Macro; RF 100-400mm F5.6-8 IS USM; RF 100-500mm F4.5-7.1 L IS USM; RF Refurbished Extender EF 2X III. SKU. 4410B006. $339.99. In Stock. FREE Standard Shipping and Handling. Extender EF 2X III. Protect your Product with CarePAK Add a CarePAK Plan for Accidental Damage Protection with Service Directly from Canon Learn More. Once installed, zooming in to 50mm will result in physical contact between the front of the extender (likely the rubber ring surrounding the glass lens element) and the rear element of the lens. You obviously want to avoid this. You will also likely want to avoid the image quality that the Canon EF 2x III Extender combo delivers at 600mm. The Buy Canon 2x Extender and get the best deals at the lowest prices on eBay! Great Savings & Free Delivery / Collection on many items Canon Extender Ef 2x III + Top Shop for canon - extender ef 2x iii lens at Best Buy. Find low everyday prices and buy online for delivery or in-store pick-up Canon - EF 16-35mm F2.8L III USM USX3.