The first 4 are from the Canon, the first two are without the extender and the second two with. The final four follow the same sequence with the Vivitar. The softness in the final four images is down to the Vivitar rather than the extender.
Enthusiast. Options. 08-06-2023 06:36 AM. From Canon's product page for the RF 1.4X extender: Note: This extender is only compatible with the following RF lenses RF100-400mm F5.6-8 IS USM, RF100-500mm F4.5-7.1 L IS USM, RF400mm F2.8 L IS USM, RF600mm F4 L IS USM, RF600mm F11 IS STM, RF800 F5.6 L IS USM, RF800mm F11 IS STM, RF1200mm F8 L IS USM.
This extender is only compatible with the following RF lenses RF100-400mm F5.6-8 IS USM, RF100-500mm F4.5-7.1 L IS USM, RF400mm F2.8 L IS USM, RF600mm F4 L IS USM, RF600mm F11 IS STM, RF800 F5.6 L IS USM, RF800mm F11 IS STM, RF1200mm F8 L IS USM. Please see the lens and/or camera body manual for full compatibility information with the ExtenderThat totally sucks I was so hoping it would be compatible and able to push up to 2.8:1 with the teleconverter / extender, as I love using my 2x teleconverter with the EF 100mm f/2.8L is usm macro lens I've got atm to push up to 2:1
Re: Extender EF 2x III Compatibility I think the problem is that the OP wants to shoot long (assumedly in excess of 300mm - 480mm FoV) and has an M-series camera and an EF kit lens. While it is possible to use an EF or EF-S lens with an M-series via the adapter, using them with an extender poses a whole new set of complications.
Anyone tested Canon EF 100mm f/2.8L Macro IS USM + Canon EF 2x III Extender? Canon EF 100mm f/2.8L Macro IS USM is not there in the compatibility list. It is not in the compatibility list because it is not compatible - physically impossible to fit the Extende because it projects forwards.
Mount Adapter Allows EF/EF-S Lens Compatibility with the EOS R Camera. Drop-in Filter Adapter Allows Use of a Variable ND Filter (from ND3 to ND500 - equivalent to 1.5 to 9 f-stops).* Dust- and Water-resistant.
C35EYfR.