Rf lens and Rf extender compatibility in EF & RF Lenses 10-05-2023; EF lens extender recommendations in Camera Accessories 10-02-2023; Extender for EF 100-400 L lens on a R5 body in EF & RF Lenses 08-24-2023; What lenses work with Canon Extender RF 1.4X (4113C002) in EF & RF Lenses 08-06-2023; RF Extender 1.4x does not fit in Camera Accessories 70-200 2.8 USM II sharp only sometimes in EF & RF Lenses 09-25-2023; EOS SL1 auto focus doesn't work. Seems to happen on hot days in EOS DSLR & Mirrorless Cameras 06-26-2023; Canon 70-200 f2.8 USM lens focus problem in EF & RF Lenses 05-09-2023; Extender EF 2x III Compatibility with EF 400mm f/5.6 L USM Lens in EF & RF Lenses 03-09-2023 This is straight from the manual. The TS-E 17mm F/4L IS NOT COMPATIBLE with any of Canon's teleconverters. All of their TS-E lenses are INCOMPATIBLE. -Demetrius. Current Gear: EOS 5D Mark IV, EF F/2.8 Trinity, EF 50mm F/1.8 STM, EF 85mm F/1.8 USM, 470EX-AI & 600EX II-RT. Retired Gear: EOS 40D. 1 Like. Introducing Canon's second generation of IS super-telephoto lenses: [B]EF 300mm f/2.8L IS II USM, EF 400mm f/2.8L IS II USM, EF 500mm f/4L IS II USM and EF 600mm f/4L IS II USM Each Series III Extender features a newly developed microcomputer that increases AF precision when the extenders are used with an IS II super-telephoto lens. Canon Extender EF 1.4x III + Canon EF 200mm f/2L IS USM Lens. Metabones (FW 0.47): Fast and accurate PDAF AF-C and AF-S with Wide, Center and Flexible Spot Fotodiox: Not Tested Viltrox: Not Tested. Canon Extender EF 1.4x III + Canon EF 300mm f/2.8L IS II USM. Metabones (FW 0.47): Slow but accurate PDAF AF-C and AF-S with Wide, Center and Canon does NOT list compatibility with its teleconverters and TS-E lenses. They have electronic aperture control and are MF only. -Demetrius. Current Gear: EOS 5D Mark IV, EF F/2.8 Trinity, EF 50mm F/1.8 STM, EF 85mm F/1.8 USM, 470EX-AI & 600EX II-RT. Retired Gear: EOS 40D. All will mount crop lenses (EF-s) and also mount full frame (EF) lenses. Scott Canon 5d mk 4, Canon 6D, EF 70-200mm L f/2.8 IS mk2; EF 16-35 f/2.8 L mk. III; Sigma 35mm f/1.4 "Art" EF 100mm f/2.8L Macro; EF 85mm f/1.8; EF 1.4x extender mk. 3; EF 24-105 f/4 L; EF-S 17-55mm f/2.8 IS; 3x Phottix Mitros+ speedlites Canon EF 1.4 III and EF 2.0 III Extender compatibility list. Go to solution. ekendraed. Apprentice. Options. 07-08-2013 11:34 AM. May I please know which Canon lenses are totally compatible with EF 1.4 III and 2.0 III extenders. Thank you. Me too. Kenko TELEPLUS HD pro 2x DGX Teleconverter for Nikon F. B&H # KETPHDPRO20N MFR # K-TPHDPRO2.0-N. 2 Reviews. Key Features. F-Mount Teleconverter/FX Format. 2x Magnification Factor. Multi-Layer Anti-Reflective Coating. Communication between Lens and Camera. Canon EF Extender 1.4X III Teleconverter #466. Roberts Camera - Photo Industry Leader since 1957! Excellent - Refurbished · Canon EF · Teleconverter. $250.99. Top Rated Plus. or Best Offer. robertscamera (212,038) 99.6%. Free shipping. Free returns. u5Bj1y.