1-770-333-4200. Description. The Canon 1.4X EF Extender is a professional grade teleconverter designed exclusively for use with select Canon brand L-Series lenses (focal lengths over 135mm). Increasing the lens focal length by a factor of 1.4 times, Extender EF 1.4X incorporates incorporates careful lens placement and anti-reflective coatings Shop B&H for special deals on Canon Lenses & Extenders like EF 200-400mm f/4L IS USM Extender 1.4x Lens and EF 100-400mm f/4.5-5.6L IS II USM Lens. Press ‎ ↵ Enter ‎ for Accessibility for blind people who use screen readers Extension Tube EF 25 II. 25mm fully coupled Extension Tube for EOS camera and most lenses to 350mm. Merchandise type. Camera / Extender Compatibility Chart for the EF 200-400mm f/4L IS USM Extender 1.4x Extender Model: 1.4x II: 2x II: 1.4x III Please check the Canon website The EOS R is a a fantastic camera to use with the EF extenders. I am sure when my July 9 preorder arrives that the R5 will will be even more amazing. RDM5546's gear list: Canon RF 100-500mm F4.5-7.1L IS USM Canon G5 X II Canon EOS 70D Canon EOS 7D Mark II Canon EOS 5D Mark IV +47 more. Reply Reply with quote Reply to thread Complain. Canon EF 100-400mm F4.5-5.6L IS II Canon EOS 7D Mark II Canon EOS R Canon Extender EF 1.4x II Canon Extender EF 1.4x III If you believe there are incorrect tags, please send us this post using our feedback form . Extender EF 2x III (預計送貨需時1個月) $3,180.00 $3,580.00. EF 2x III能將主鏡頭 # 焦距提升2倍，為專業攝影師提供靈活的焦距伸延能力，其5組9片的光學設計配合新一代大光圈遠攝及超遠攝L鏡頭 † ，能大幅度減少焦距提升後常見的色差及顏色模糊現象。. 增距鏡配備了 The Canon 2x lens extender doubles the focal length of a lens, making (for example) a 200mm lens function as a 400mm lens. Canon 2X Extender EF II ~$320 Canon 2x Extender EF III User Reviews. Y0Lxj.