Learn more about Canon's commitment to the recycling and reuse of print systems and materials. Get greater control of business documentation. Though not specified by Canon as such, users have reported that the tilt-shift lenses in Canon's line-up can also be used with the extenders. Canon calls them Extenders – there are two current versions in the range: the Extender EF 1.4x III and the Extender EF 2x III. [6][7][8] However, when used with an extender, the lens will not pass on the correct aperture to the camera. These extra electronic contacts are used for sending the correct aperture information to the body. Instinctive controls enhance handing. CPS members can find the right contact for each country and get through to the experts who can help you. When used with a compatible lens, they will multiply the focal length of the lens by a factor of either 1.4x or 2x, at the cost of decreasing the lens' aperture by 1 or 2 stops respectively. Find out how lens extenders can enhance your telephoto capabilities and prove helpful especially when you can't physically get closer to your subject. Optics top. High quality printers and faxes for your business. When a compatible lens is used with a 1.4× or 2× extender, it will cost the lens a one or two stop decline in aperture size, respectively. Three generations of the extenders exist: the older 1.4× and 2×, the 1.4× II and 2× II, and the 1.4× III and 2.0× III. Specifically, Canon suggests that AF drive speed is reduced by 50% when using the 1.4x Extender. When used with the 1.4× extender, autofocus speed is reduced by 50%. A professional grade extender that increases focal length of L-series lenses by 2x. A teleconverter increases the effective focal length of a lens. The Canon Extender EF lenses are a group of teleconverter lenses made by Canon. Find the right ink, toner or paper for your printer. Free postage. EF 500mm f/4L IS II USM. EF 2x III Extender Cap EII So, a 300mm lens beomes a 420mm with a 1.4x TC and a 600mm lens with a 2x TC. Compatibility is a critical consideration to keep in mind when deciding which teleconverter to buy. Autofocus range is reduced from 0.48 m–infinity to 0.8 m–infinity. Canon Extender EF 2x III Deals. This review will sound very similar to the Canon 1.4x Extender Review, but the 2x function is basically the same. Extending a lenses focal length by a factor of 1.4x, 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. There is an autofocus motor inside the lenses — but not in this extender. "Technical Hall - Technical report 2001.9", "Canon EOS 7D Mark II - Autofocus & Metering", "Canon Dual Pixel CMOS AF: Autofocus secrets of the Canon 70D explained", EF LENS WORK III DESIGN SPECIFICATIONS & LENS MAPS, https://en.wikipedia.org/w/index.php?title=Canon_Extender_EF&oldid=993260873, Creative Commons Attribution-ShareAlike License, This page was last edited on 9 December 2020, at 17:37. Here you’ll find answers to a wide range of frequently asked questions about Canon Professional Services. Get productive with a range of small office printers that are your ideal companions. Scan from Canon multi-function devices to a mobile device, upload scans to cloud storage services, attach to and send emails, and print. Canon Extender EF 1.4x Teleconverter Lens w/Caps [Excellent++] From Japan These Extender EF lenses can only be used with lenses that have a compatible mount. Image stabilization may not work on lenses that are equipped with an extender, or on certain EOS bodies. Big on quality, small on size. Extender EF 1.4x III. Ideal for press, sports and nature photography, the extender increases the focal length of Canon L-series telephoto or telephoto zoom lens' by a factor of 2x, with higher AF accuracy and improved communication between … Download firmware for your Canon product. Name. [5] With a 2× extender a 400mm f/4 lens would have an equivalent focal length of 800mm and a maximum aperture of f/8, in which case autofocus would only be available with professional bodies. EOS M and EOS R Full Frame mirrorless ranges deliver the power of DSLR in the body of a compact camera. Autofocus speed of any used EF lens is also affected. Overview. More ways to shop: visit the Canon Store or find a reseller. There are no moving parts, other than the lens latch lock. Increase the reach of your lens and get closer to your subject. Internal Construction, Canon Extender 2x II. EF 200-400mm f/4L IS USM Extender 1.4x A professional-grade 200-400mm f/4 lens with a built-in 1.4x extender that boosts focal lengths to 280-560mm. However, Canon warns that there is an impact on autofocus performance with type II and III Extenders. Make the most of your camera and bring your stories to life with quick access to tailored, easy-to-use content. Canon Extender EF 2x III, White/Black 4.1 out of 5 stars 486 £424.00 £ 424 . EF means "electronic focus." Autofocus is possible using only the center AF point. When used with the 2× extender, autofocus speed is reduced by 75%. EF Lens Extenders. Take complete creative control of your images with PIXMA and imagePROGRAF PRO professional photo printers. The problem is that there will always be occasions when something is still too far away for you to compose the shot exactly as you’d like to. Download software for your Canon product. These lenses are used between any compatible EF type lens and any of the Canon EOS line of cameras. Red laser pointers with presentation functions. Manual Canon Extender EF 1.4x II. From easy craft ideas to origami-style 3D models – bring the paper fun into your daily life and add personalise with the editing function. View all. Also listed is the autofocus and image stabilization functionality. Canon EOS bodies that have a high density, high precision auto-focus sensor with 45 or more AF points are able to autofocus at maximum apertures of f/8. Product Description. Here are … What are Extenders? Find consumables for your business printer. Specifications top. The extenders are constructed with metal bayonets, and engineered plastic ends. EF means "electronic focus." These lenses must have the clearance to accept the protruding lens on the extender, as well as 10 (3 extra) electronic contacts for proper electronic communication with the extender. A professional grade extender that increases focal length of L-series lenses by 1.4x. Full frame mirrorless RF lenses with unique capabilities for EOS R. Portable, lightweight lenses designed exclusively for EOS M cameras. EF and EF-S lenses offering a blend of excellent image quality, flexibility and speed. [3] The III versions of the extenders have improved autofocus performance as well increased image quality over the II, and their front and rear elements are coated with fluorine anti-smear coating to be easier to clean.[4]. Film production requirements your camera and bring your stories to life with quick access to tailored, content..., easy-to-use content as the potential for extra reach unable to autofocus when the aperture... Use our website or by clicking I Accept professional grade Extender that increases focal length L-series! Known as teleconverters ) increase the reach of your lenses printers that are equipped with an Extender makes. Shoot options or by clicking I Accept the increased focal length of a lens convenience with 1.4×... 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