I have the Kenko 1.4 TC and it fits several of my lenses. I find the results very good with the Canon 24-105/4 L IS, the Tamron 90 and 180 macros, and the Canon 70-200/4 L IS. I find the results not so good using the Sigma 150-500 and the Sigma 18-200, using the 5D2 and the 30D. And I've read some not-so-flattering reviews of the Tamron 18-270 1-770-333-4200. Description. The Canon 1.4X EF Extender III is a professional grade teleconverter designed exclusively for use with select Canon brand L-Series lenses (focal lengths over 135mm). Extending a lenses focal length by a factor of 1.4x, Extender EF 1.4X III incorporates incorporates careful lens placement and state of the art What lenses are compatible with the EF 1.4x III and EF 2x III extenders? Article ID: ART181804. |. Date published: 03/28/2023. The new mount converter enhancing the extensibility of the L-Mount system. The SIGMA MOUNT CONVERTER MC-21 allows SIGMA SA mount and SIGMA’s CANON EF mount interchangeable lens owners to use their lens investment on L-Mount camera bodies. The converter allows more freedom of choice for L-Mount cameras, enhancing the extensibility of the L SKU: 5959400. (334) $1,399.99. 1-18 of 30 items. 1. 2. advertisement. Shop for canon ef 1.4 x ii extender at Best Buy. Find low everyday prices and buy online for delivery or in-store pick-up. cFJPASJ. I'd suggest getting the 1.4II. The difference between the II and III is quite small as other's have pointed out and you'll be saving a fair amount of money especially if you pickup one a used one. The 2xIII works nicely on the 70-200II however focusing speed is reduced by 50% so be aware of that. Canon EF 75-300mm f/4-5.6 III Telephoto Zoom Lens for Canon SLR Cameras, 6473A003 (Renewed) Adding a tele extender does not change the focal length of that lens. The thing that does change is the angle of acceptance. The focal point of that lens does not change and can not change. Also any time you increase the length of the lens tube, you will sacrifice some f-stop value. Adding the 1.4x to your 400mm lens dose not turn it into a From what I've seen and read, this lens is really just a 150-400mm lens. 400 and beyond is soft and the Canon 400mm 5.6 upsized to 600 and even 700mm is sharper at the Tamron's native 600mm setting! For me personally I'd get the Canon 400mm. And I plan to eventually. Professional grade bodies have AF points that can still focus with a lens that has an effective maximum aperture of f/8. Using a 2x teleconverter with the 100-400 will create a lens with an effective aperture that varies from f/9 to f/11. In other words, you will definitely lose the ability to AF through the viewfinder.

canon extender ef 1.4 x ii lens compatibility