Save $232.89 in "Accessory Savings" when you buy this Canon Extender. This Value Bundle comes with a Canon Extender, ProOptic Cleaning Kit, LensPen Pro Lens Cleaner and a Corel Software Kit and Shipping is free! Extending a lenses focal length by a factor of 1.4x, Extender EF 1.4x III incorporates phenomenal optical performance with minimal WaddizzleLegend. 11-05-2020 09:57 AM. If you want a teleconverter for an EF mount lens, then you must use a teleconverter for an EF mount lens. If you wish to. Use an EF mount lens on an RF mount body, then you must use an EF-RF mount adapter. I am not aware of a single device that can do both functions. Physical differences. Since the introduction of the 800mm f5.6, Canon changed their off-white color of their telephoto lenses. All the new MKII IS super-tele lenses from Canon feature this new coloring so the MKIII extenders have been updated to match both the color and also the very slightly smoother design aesthetic of these lenses. Mounting and dismounting the Extender. First attach the Extender to the lens, then attach it to the camera. To. detach it, follow the same procedure in reverse. To detach the Extender from the lens, slide the lens release lever as. shown by the arrow, then turn the Extender counterclockwise. 5. I don't have an EF 500mm f/4 mk II lens on hand but there have been improvements to the results from the EF 1.4x III Extender. It is claimed that the microprocessor in the EF 1.4x III Extender promises faster AF speed and increased AF precision on the Canon EF 500mm f/4L IS II USM Lens. So yes, you should see an improvement with this lens. EF 28-90mm f/4-5.6 II : EF 28-90mm f/4-5.6 III : You can also correct RAW images taken with the compatible lens even when the extender is attached. Extender EF 1.4x II_This tele extender can be used with fixed focal length lenses 135mm and longer (except the 135mm f/2.8 Softfocus lens), and the EF 70-200 f/2.8L, 70-200 f/2.8L IS, 70-200 f/4.0L, 70-200 f/4.0L IS USM, and 100-400 f/4.5-5.6L IS zoom lenses. Superb optically, it preserves the image quality of the lens it's mounted to and 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. So the Canon 1.4x EF Extender would make a 200mm focal length more like 280mm. While there can be some image degradation, this does allow for a relatively cheap way to achieve the magnification found in longer focal lengths. An extender is also lighter and smaller than a lens, coming in at only 2.9″ x 1.1″, 7.8 oz. (72.8 x 27.2mm, 220g). X1w2g.

canon extender ef 1.4 x ii lens compatibility