The above images (of a Christmas Cactus flower) were taken from the same tripod-mounted position (using the tripod ring) with a The Canon Extender EF 2x III mounts between your camera body and lens in order to give your lens more reach through magnification. with by 2.08" (52.7mm) and increases the weight by 12 oz (325g). Attempting to mount a Canon extender on these same non-compatible lenses can damage the lens due to contact being made with the rear lens element. Canon EF 70-200mm f/2.8L IS II USM Lens creates a very dark viewfinder that makes manual focusing difficult. Here is an example of the focal length increase provided by the 1.4x and 2x extenders. What types of photography are extenders used for? The following list of discontinued lenses fitting these parameters are compatible, but may require camera microfocus calibration for accurate focusing (note that not all DSLR cameras support microfocus calibration): Canon EF 200mm f/1.8 L USM Lens Note that "AF precision remains the same as the Series II Extenders when the Series III Extenders are used with earlier extender-compatible EF lenses." which can make it appear to resolve more detail. List of lenses that are compatible with the EF 1.4x II and EF 2x II extenders. The Canon EF 2x III Extender reduces contrast and sharpness The retailers I recommend below are the ones I trust for my purchases. Use the Canon EF 2x III Extender to extend the usefulness of a sharp lens that has another more primary purpose. With good lenses mounted on a 1-Series body and high-contrast subjects selected for AF, I'm not finding the 2x III AF speed a problem. Fluorine coating on front and rear elements Canon EF 200mm f/2.8L II USM Lens Canon Extender EF 2x III. For example, when used on the Canon EF 200mm f2.8 lens it will give the same angle of view as a 400mm f/5.6 lens. The Canon EF Extender 2x III is designed to provide extended range with Canon L-series telephoto lenses. See similar items below. The series III extender results are the last set (with 1.4x III and with 2x III) of focal lengths available for each lens. Maximum Focal Length. Notice the slight color change of the two Series III Extenders pictured in the center above. The primary reason to use any extender is of course to gain a longer focal length/narrower angle of view from a lens – to frame the subject more tightly. The Canon Extender EF lenses are a group of teleconverter lenses made by Canon. (629) According to Chuck Westfall (Canon USA): IMG7.src = 'https://media.the-digital-picture.com/Images/Other/Canon-Extender-EF-III/No-Extender-14x.jpg' For example, a Canon EF 800mm f/5.6L IS USM Lens Canon EF 500mm f/4L IS II USM Lens and Shooting with the Canon EF 2x III Extender mounted results in reduction of autofocus speed. This is the lone, but very significant, advantage provided by extenders. Some of the extender-compatible lenses start with an f/5.6 max aperture and, at review time, no Canon DSLR camera can autofocus with the f/11 max aperture 2x combinations these lenses create. Extender EF 1.4X III incorporates phenomenal optical performance with minimal chromatic aberration and is a perfect complement to many of Canon super telephoto lenses. All current extender-compatible lenses have ISO 12233 chart results from the with-extender combinations available (select the longest with-extender focal length value). (again, use the mouseover feature) usually improves the image quality of both the bare lens and the extended lens combination. Extenders do not affect the MFD (Minimum Focus Distance) of the lens they are mounted behind, IMG6 = new Image(604, 404) When Extender EF 2X III is used, AF drive speed is reduced by 75%. IMG4.src = 'https://media.the-digital-picture.com/Images/Other/Canon-Extender-EF-III/No-Extender-100.jpg' The Canon 180 L Macro is a lens that performs very well with extenders. IMG3.src = 'https://media.the-digital-picture.com/Images/Other/Canon-Extender-EF-III/2x-Extender.jpg' It features a built-in microcomputer for seamless communication among camera body, lens and extender. The Canon EF 2x III Extender significantly extends the reach of your sharp, compatible Canon lenses for a relatively low size, weight, and financial cost - As a rule, but subject to change, the Canon lenses compatible with the Canon EF 2x III Extender include fixed focal length L lenses with focal lengths of 135mm and longer, Canon TS-E Tilt-Shift lenses are not included on Canon's official compatibility chart and do not have the 3 additional gold lens contacts for communicating extender information to the camera, My personal opinion is that the 2x III's improvements are worth the difference in price, but we all value our images and money differently. Key features include: Improved optical performance. Improvements in the Series III extenders promise to perform especially well on these specific lenses. Another good reason to use an extender is to create a longer focal length lens than is available natively. IMG8.src = 'https://media.the-digital-picture.com/Images/Other/Canon-Extender-EF-III/No-Extender-20x.jpg' Canon EF 400mm f/2.8L II USM Lens (non-IS) IMG5.src = 'https://media.the-digital-picture.com/Images/Other/Canon-Extender-EF-III/14x-Extender-100.jpg' Canon EF 500mm f/4.0L IS USM Lens These same lenses have results from the version II extenders and provide a lens-by-lens basis for comparisons between the two extender versions. Canon Extenders only fit a limited range of EF lenses – essentially L-series primes with a focal length of 135mm or more and L-series zooms with a minimum focal length of 70mm. Used Sony FE 12-24mm f/2.8 GM Lens In Stock at B&H — Save $749.50 (25%), More. To ensure the best possible image quality in all shooting conditions, it combines redesigned optics, improved data communication between lens and camera and enhanced environmental protection. Before you immediately conclude that this is a problem, understand that this reduction in drive speed now corresponds to the effective speed you would achieve with the same EF lens alone. The Extender 2x III has Canon’s Super Spectra coating for reduced ghosting and flare. Of course, to get an extender at all is the first decision to make. Canon EF 180mm f/3.5L USM Macro Lens on a Note that the only lenses with focal lengths below 135mm that are compatible are the 70-200mm L series variants and the 100-400mm L. All of the compatible prime lenses are also L series lenses. Outstanding image quality at double the distance A Canon EF 70-200mm f/4.0L Lens mounted over a 2x becomes a 140-400mm f/8 lens. My extender purchase advice is similar to the advice I gave in the Canon 1.4x EF Extender III Review. In each row, the left-most mouseover label is the native resolution of the combination and I don't use extenders a big percentage of the time, but I often have a 1.4x with me. IMG3 = new Image(604, 404) Add the Canon EF 2x III Extender to the setup for a 360mm 2:1 (2x) Macro lens. Canon extenders simply do not fit behind the rear lens element on Canon's non-extender-compatible lenses. I did not notice any differences in this regard. The 2x III is similar to the 1.4x III and these reviews were prepared simultaneously. Just one of the many great deals in Lens Adapters, Converters & Extenders. Canon EF 180mm f/3.5L USM Macro Lens becomes a 360mm f/7.1 USM Macro Lens. Combining the focal length multiplier and the maximum aperture reduction provides your resulting lens equivalent. 70 millimeters. Canon EF. Below are the Series II and III Extenders shown for comparison. This review will sound very similar to the Canon 1.4x Extender Review, but the 2x function is basically the same.. IMG10 = new Image(600, 404) Accordingly, overall AF performance remains essentially unchanged with an EF Extender attached, versus the lens’s AF speed without an extender.". Hi, I have just purchased a Canon EF 2X III teleconverter, it's between a Canon 70D and a Canon EF 100-400mm IS-L USM lens. Each row below the image represents either the bare lens or the lens with the specified extender mounted behind it. Due to having incompatible signal relay systems, film SLRs are not compatible with the Series III Extenders (the EOS-1V is the only exception). The Canon extenders have a protective rubber ring around the front element to protect both the extender itself IMG10.src = 'https://media.the-digital-picture.com/Images/Other/Canon-Extender-EF-III/Lens-Only.jpg' It's a Good Day at B&H: Sigma 70-200mm f/2.8 OS Sports Lens – Save $400.00, SmallHD FOCUS Bolt 500 TX On-Camera Monitor – Save $800.00, More! but as their image quality results shown on their reviews show, they can function with extenders. IMG11 = new Image(600, 404) IMG12.src = 'https://media.the-digital-picture.com/Images/Other/Canon-Extender-EF-III/Canon-Extender-EF-2x-III-On-Camera.jpg' The front and rear elements have Canon's fluorine anti-smear coating – making them very easy to clean. function switchimage(imgDocID, imgObjName) { It is ideal for photojournalists and … A Canon EF 300mm f/2.8L IS Lens becomes a 600mm f/5.6 IS lens. This item is no longer available in new condition. is reduced/narrowed by a 2 stops – allowing at most 1/4 as much light into the exposure. Canon EF 135mm f/2.0L USM Lens A significant disadvantage brought by the use of a 2x extender (any of brand or model of them) is that your lens' max aperture setting Canon EF 300mm f/2.8L IS USM Lens Note that Canon does not recommend stacking extenders. The rental companies I recommend below are excellent to work with. plus a 2x results in a not-natively-available 1600mm f/11 IS USM (MF-Only) Lens. and the lens it is being inserted into if your alignment is off when mounting the extender to a compatible lens. It increases the focal length of a lens by a factor of 2x while still delivering superb image quality. Said another way, you generally will get better results from a 400mm lens than with a 200mm lens plus the Canon EF 2x III Extender, Make Offer - Near Mint w/Pouch Canon Extender EF 1.4X Teleconverter Lens EF Mount from Japan Canon EXTENDER EF 2X Teleconveter for EOS EF Mount Tele Converter JAPAN 4CHARITY $227.97 IMG2.src = 'https://media.the-digital-picture.com/Images/Other/Canon-Extender-EF-III/14x-Extender.jpg' The Extender EF 2x III is compatible with most telephoto and telephoto zoom lenses within Canon’s flagship professional L-series range, extending the focal length while only reducing the effective aperture of the lens by two stop. Better optical quality is also expected. when any 2x extender is attached: f/2.0, f/2.8, f4.0, f/5.6, f/8.0, f/11, f/16. Description. Or, would you feel more comfortable buying after having a hands-on trial period? Info. Compatibility Designed to extend a lenses focal length by a factor of 2x, the redesigned Canon Extender EF 2X III delivers optical performance on par with the finest Canon super telephoto lenses. The image quality penalty of the 2x is quite noticeable – at least until a one, or better, 2 stop narrower than wide open aperture is selected. Canon EF 600mm f/4.0L IS USM Lens The TTL auto focus does not function, BUT, with the ground breaking dual pixel CMOS in the Canon 70D, I can use the lens's auto focus in LIVE VIEW. 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. Info. The Sigma lens was released in February 2010, the Canon EF 2X III was released in August 2010, so there may well be some compatibility issue there. 200 millimeters. Canon EF 70-200mm f/4.0L USM Lens Specifications. A 2x teleconverter (such as the Yongnuo EF 2X III teleconverter) will double the apparent focal length at the expense of two stops of light. Canon EF 70-200mm f/2.8L USM Lens The Canon EF 2x II Extender is an easy and very affordable way to dramatically extend the reach (focal length) of compatible Canon L Series lenses (and a few additional lenses). similar to Canon L Lenses in construction quality. but it comes with an image quality penalty. (primarily Canon L Series lenses), extending the focal length of the lens by a very noticeable 2x. Where you buy your gear matters. Designed to extend a lenses focal length by a factor of 2x, the Canon Extender EF 2X III delivers optical performance on par with the finest Canon super telephoto lenses. Anomalous dispersion glass elements are used in the Series III extenders to reduce chromatic aberration and increase resolution and contrast. It makes your 70-200/2.8 into a 140-400mm f/5.6, or your 300mm f/2.8 into a 600mm f/5.6. No EF-S lenses are compatible with any version of the Canon Extenders. It multiplies your focal length by 2x and makes your effective aperture two stops less. This lens is only compatible with fixed focal length L-series lenses 135mm and over, as well as the EF 70-200/2.8L, EF 70-200/2.8L IS, EF 70-200/4L, and EF 100-400/4.5-5.6L. Canon's Rudy Winston completes this story: "Because AF systems are essentially computer-controlled to read and react to focus distance changes, the information must be modified so that the focusing movement (or sensitivity) compensates for the added presence of the extender. For example, using a 1.4x or 2x extender with the Canon EF 500mm f/4L IS USM would result in a 700mm f/5.6 or 1000mm f/8 lens. The latest versions are the Extender EF 1.4x Mark III and the Extender EF 2x Mark III. Just like the EF 1.4x III above, the … Canon EF 400mm f/2.8L USM Lens (non-IS) The III's new color matches Canon's latest white L lenses. If the prices were equal, there would be no question that the III is the extender version to get. Compatibility Designed to extend a lenses focal length by a factor of 2x, the redesigned Canon Extender EF 2X III delivers optical performance on par with the finest Canon super telephoto lenses. Canon TS-E 45mm f/2.8 Tilt-Shift Lens Canon EF 800mm f/5.6L IS USM Lens It delivers seamless communication among camera body, lens and extender, and features coatings to … IMG5 = new Image(604, 404) when used with the Canon IS Supertelephoto Series II lenses mentioned above and (I expect) all future compatible lenses. Always check the Lens Specifications and Measurements Tool for the most update-to-date compatibility specs. Considering that an extender can have nearly $20,000 worth of camera and lens attached to it, the extra strength insurance can be appreciated. When Extender EF 1.4X III is used, AF drive speed is reduced by 50%. (and this is of course only true when you do not want the entire native lens' FOV). Buying an extender over a longer lens for financial reasons can also make sense. IMG1.src = 'https://media.the-digital-picture.com/Images/Other/Canon-Extender-EF-III/No-Extender.jpg' While some third party extenders *may* work properly with Canon's non-extender-compatible lenses, they probably will not report the reduction in aperture. The Canon Extender EF 1.4x III extends a lenses focal length by a factor of 1.4x. They do not fit any EF-S lenses. Get your Canon EF 2x III Extender now! You expect to get what you ordered, and you want to pay a low price for it. Canon EOS 5D Mark II camera body. A microcomputer integrated into the Series III Extenders promises faster autofocusing and increased AF precision ISO 12233 Resolution Chart Tool. Ending: Topaz Labs Holiday Sale: Save 30% + 15% Off All Products, Bundles, and Upgrades Sitewide Now! 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