I still think the 100-400L (which works great with a 1.4x, although still limited) is a great medium cost way to get to super telephoto lengths. "Medium cost" is definitely a relative term, but most agree it's reasonable. Tazz93's gear list: Canon EOS-1D Mark II N Canon EOS 5DS Canon EOS R5 Canon Extender EF 2x II Canon EF 70-200mm F2.8L IS II
Camera/Extender Compatibility Chart EF 1.4 x III and EF 2 x III extenders are recommended for use with EOS Digital Cameras. Lenses that can be used with Extender EF1.4X III and EF2X III Usable lenses: Lens Focal Length & Maximum Aperture EF 1.4 X III EF 2 X III EF 135mm f/2L USM 189mm f/2.8 270mm f/4 EF 180mm f/3.5L Macro USM 252mm f/4.5 360mm
The Canon EF 100-400mm f/4.5-5.6L IS II USM Lens is compatible with the Canon EF 1.4x III and EF 2x III Extenders. As is often the case, the focal length range of the with-extenders combinations is quite impressive with relatively little increase in size and weight.
Mount Adapter EF-EOS R question about compatibility with Extender EF 1.4x III in Camera Accessories 11-14-2023; Interesting EF 400 f2.8 IS II issue - EOS-1D X Mark III rendered unresponsive in EF & RF Lenses 11-12-2023; EF 100-400mm f/4.5-5.6L IS II USM Lens switches to MF mid shoot in EF & RF Lenses 11-10-2023
The extender comes with a compatibility chart which essentially lists all of Canon's posher telephoto primes and zooms from 135mm f/2 up. Extenders also multiply the f-stop. The 135mm f/2 becomes a 270mm f/4, the 70-200mm f/4 becomes a 140-400mm f/8.
Compatible lens chart (Last Update Date：Decembar 14 2023) Please make selections below. 150-500mm F/5-6.7 Di III VC VXD (Model A057) Product Page. Di III Lenses.
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canon extender ef 2x iii compatibility chart
