The RF Extender -> to EF lens is do-able with a hack. It will also work with lenses that are not normally compatible with a extender. The EXIF gets a little messed up, but lists the RF Extender so it's not unworkable. Not ideal, but it's just a hack. And the RF extender is a lot sharper than the EF II, at least to my eye. Thank you for purchasing a Canon product. The high-performance Canon Extender EF1.4X III and Extender EF2X III increase the focal length of the attached EF lens by 1.4X and 2X respectively. aSafety Precautions • Do not look at the sun or a bright light source through the lens with the extender attached, or with a camera with the extender and lens Canon EOS R, 1.6x APS-C crop, EF Control Ring Adapter, Extender EF 1.4x II, Extender EF 2x II and Sigma 60-600mm set to 600mm, giving an effective 1,680mm focal length, 1/30 at ISO 1,600 at full aperture. bigger. Used with teleconvertters the combination can be so long that I can photograph local airplanes in the sky and read their tail numbers. The RF 400 f/2.8 weighs 6.4 lbs (2.9 kg). The 600 F/4, 6.8 lb (3.1kg). That's not a large weight difference. The 400 is 14.4" (367mm) long, while the 600 is 18.6" (472 mm) long. That's a more significant difference. They have almost the same entrance pupil diameter. Reply Reply with quote Reply to thread Complain. Sigma 1.4x teleconverter chart: i'm sure someone in uhh land has theGet the torrent: canon teleconverter compatibility chart Tamron 24-70 mm. f/2.8 di vc usd g2Tamron 2x teleconverter pro sp af canon eos info. Tamron compatibility lens list cameras lenses dslr designed di uniquephotoTamron news Chart 2x compatibility extender canon ef ii 4x Bonsoir J'ai bien lu vos explications sur les avantages et d'un éventuel achat d'un "extender" 1,4 ou 2,00 Canon Je suis en possession de plusieurs objectifs Canon (50mm - 1.8 STM / 10-18mm 4.5-5.6 IS STM et le 100-400mm 4.5-5.6 L IS ii USM) l,ensemble sur un boitier 750D et je voudrais savoir si je prends le multiplicateur 2x iii, est ce que j'augmenterais notoirement le zoom du 100-400mm fnhGl1O. Date last updated: 06/10/2019 Description These lenses can be used with either the Extender EF1.4X III or the EF2X III. Solution Usable lenses: *: Using an Extender with this lens may result in incorrect autofocus. If your camera has an AF microadjustment function, do the AF microadjustment.

canon extender ef 2x ii compatibility chart