In reply to Emile15 • Mar 17, 2021. Prior to getting the R5 and RF 100-500, my birding combo was 5D IV and Sigma 150-600C. My decision to change the lens (camera body is a separate story), was mainly due to the overall weight and the extra awkward length added by the adapter. I was very happy with the IQ yielded by the Sigma 150-600C, so
Contax N mount lenses modified to Canon EF by Conurus. Contax 645 NAM-1 adapter modified to Canon EF by Conurus. Sigma, Tamron and Tokina lenses in Canon EF mount (see note 3) Lens correction such as peripheral shading, CA and distortion. Focus confirmation "chip" (e.g. Dandelion) Stacking another lens mount adapter on top (see note 4) Lens VILTROX Auto Focus 2X Teleconverter Extender Converter for Canon EF Mount Super Telephoto Lens 135mm f/2L,200mm,300mm,400mm,600mm,70-200mm,100-400mm and DSLR Camera 5DII 80D 760D 7D,Black. 76. $11500. FREE delivery Mon, Dec 11. Only 10 left in stock - order soon. Extender EF 2x III Compatibility MikeG104 Apprentice 03-18-2022 01:12 AM I have a M50 Mark II with the EF-M - EF-S adapter, so I'm fairly sure I can use the extender with my camera. My question is, is any EF/S lens compatible with the extender itself? The lens in question is the Canon EF 75-300mm f/4-5.6 III Me too 0 Likes Reply All forum topics Compatibility: Again, Canon is not very specific, but suggests that the Extender EF 2x III is compatible with most telephoto and telephoto zoom lenses within Canon’s flagship professional L-series range. This teleconverter extends the focal length while only reducing the effective aperture of the lens by two stops. This 12mm extension tube fits between camera body and the lens, providing a brighter image that the Extension Tube EF 25 II. Compact and portable- a great accessory to take when shooting wildlife. Maintains electronic contact between lens and body. £ 83.99. Eligible for free delivery. 7Vn8. 473 356 414 378 95 111 48 287 463