There’s no such thing as a free lunch though! Three remaining facts are that extenders increase the in-use size of the lens, extenders increase the in-use weight of the lens, and extenders have a cost. TC3.src = 'https://media.the-digital-picture.com/Images/Other/Canon-RF-600mm-F11-IS-STM-Lens/Canon-RF-600mm-IS-STM-Lens-with-2x.jpg' Ratings Distribution. TC1a = new Image(656, 439) and "No compromise construction, designed for reliability and durability [snip] for use by professionals and high-end amateurs.". 4 available from £149.00. Used Sony FE 12-24mm f/2.8 GM Lens In Stock at B&H — Save $749.50 (25%), More. 2x increase of the lens's focal length; Dustproof and waterproof specifications (JIS 2 equivalent) Lens placement and coatings are optimized to minimize the ghosting; Built-in microcomputer in the extenders enables communication between lens, extender and camera An f/2.8 lens with a 2x mounted behind it becomes a not-so-fast f/5.6 lens. TC2b2 = new Image(656, 439) 3. TC1 = new Image(700,276) The Canon FE 2x extender is very similar to the Canon FE 1.4x Extender, and their reviews are similar, differing primarily by the magnification factor and the characteristics that difference brings. The mounted measurements are 2.8 x 1.6" (71.2 x 39.3mm), shorter than Canon EF 2x III Extender's 2.83 x 2.07" (72 x 52.7mm) dimensions. I'll bullet the list for quick reading and then will discuss the points. Access to this page has been denied because we believe you are using automation tools to browse the website. £185.00. Along with optimized coatings, "The extender features high-refraction, low-dispersion glass to control curvature of field and chromatic aberration of magnification for the highest image quality." For most of us, the disadvantage second only to the image quality degradation is the loss of 2 stops of maximum aperture. This manual is available in the following languages: Engels, Zweeds. 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. Canon Extender EF 2x III, White/Black . TC2a2.src = 'https://media.the-digital-picture.com/Images/Other/Canon-RF-600mm-F11-IS-STM-Lens/Focal-Lengths/840mmb.jpg' The Canon RF 2x extender used for this review was loaned from Canon USA. document[imgDocID].src = eval(imgObjName + '.src'); $15.00 shipping. Many of Canon’s super telephoto lenses are actually designed to focus past infinity, so the inclusion of an extension tube actually just brings the whole thing back roughly around the infinity mark. An optically excellent lens should be selected for evaluation of the optical performance of an extender, and I'll follow up on this review when these lenses become available. Viltrox C-AF 2x Magnification Teleconverter Extender Auto Focus Mount Lens Compatible with Canon EOS Ef Lens 5d Ii 7d 6d T5i T4i T3i 5d Ii 7d 6d T5i T4i T3i 1200d 760d 750d 3.1 out of … As an "RF" lens, the Canon RF 2x extender is compatible with all Canon RF-mount cameras, the R-Series models as of review time. TC1b2.src = 'https://media.the-digital-picture.com/Images/Other/Canon-RF-800mm-F11-IS-STM-Lens/Focal-Lengths/800mmb.jpg' That requires professional build quality. The Extender FD 2X-B is supplied as a kit when you purchase the 300mm f/2.8L lens brand new but since it has been discontinued, some dealers may not bundle the Extender with the lens. } Canon provides a 1-year limited warranty. Top Rated Seller Top Rated Seller. Canon shrunk this extender, from a mounted perspective. Overall, the RF 2x measures 2.6" (65.4mm) in length and weighs 12.0 oz (340g), essentially the same size and weight as the EF III. 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