Thanks for everyone weighing in! The Canon EF 2x III Extender increases the physical length of any combination it is used Going all the way back to the version 1 T-Cons, the 1.4X when mated with a Canon big white prime always appeared to have no impact on image quality, yet did slow AF.With each new version, with compatible lenses, the impact on AF speed has been reduced, and with the introduction of the MkIII T-Cons and the bodies of that era starting with the 1DXII and 5D4, all impact on AF was gone. Super Spectra coatings were introduced to help reduce ghosting and flare as well as fluorine coating to make water spots and finer prints easier to remove. Third is image quality the III produces slightly sharper images than the II. 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. EF 400mff /2..8 LUSMandIIa&b -EF28~105 mmf /35~ 4 .5 ~ 5 . You are using an out of date browser. So if youre looking for a way to extend the reach of your lenses, the Canon 1.4 Extender III is definitely worth considering. I was doing some AF Micro-Adjusting yesterday and we compared the resolution between these 2 and it is noticeably better. Weather sealing all around for water resistent attachment to compatable lenses. Is the Canon 1.4 Extender III still a good option for you? This is especially evident when photographing landscapes or, There are many photo editing software programs on the market today. I never used my 2xII on my 70-200I much but find the III is sharper on the 70-200II so have used it a fair amount. IMG11 = new Image(600, 404) The zoom and focus rings are of course shifted away from the camera body the same amount as the lens. Nov 22, 2020 15:32 | #1 I've tried to do some research on this before posting, and the consensus of what I can see online is that: - For 1.4x the difference in IQ between the II and III is minimal - For the 2x the difference in IQ between the II and III is enough that it's worth getting the III over the II. I think if you are planing on printing over 5 X 7 go for the III . Ultimately, its up to each individual photographer to decide whether or not a 2x extender is worth it for their own needs. The original Canon 2x extender, the Extender EF 1.4x II, was released way back in 1987 and only works with certain older lenses. Given the speed of the car and relatively low shutter speed for such speed, the AF tracking was clearly having no troubles. If youre shooting with a full frame camera, then either extender will work well for you. Canon 5D-Series: The 1.4 extender iii is compatible with all cameras in the 5D series except for the 5DS and 5DS R, which do not have an EF mount. 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. Slower subjects could possible yield even sharper results ! Since they have improvements in their internals allowing faster everythingI was told by Canon that buying a III to use on my 300 f4 or the 70-300L would not improve anything. Brightest Lumen is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising & linking to Amazon properties. Dan is an editorial, commercial and fine art photographer based in the Canadian Yukon. -EF 28-70mm f/2.8L USM 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. This will ensure the combination lens information is transmitted correctly and completely. I can answer but partly.i havent used Extender II but use Extender III , both 1.4x III and 2x III , with EF 300 mm F/2.8 L II lens on 5D Mark IV body.IQ with Extender 1.4x III is hardly affected. -EF 100-300mm f/5..6L USM The mounted extender also shifts the lens weight forward slightly for a potential change of balance. Canon 7D-Series: The 1.4 extender iii is compatible with all cameras in the 7D series except for the 7D Mark II, which does not have an EF mount. Not an expert but I asked the same question a couple of years ago.the II is well worth buying over the Ihandled AF better etc. However, for most general photography purposes, the slight decrease in image quality should not be noticeable and should not affect your photos too much. 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. Canon 6D: The 1.4 extender iii is compatible with the Canon 6D. Heres a breakdown of the two options to help you make a decision. Another key difference is that the II has a maximum magnification of 0.7x, while the III has a maximum magnification of 0.5x. The colors produced by Nikon cameras are more accurate and true-to-life than those from Canon. There is a noticeable difference between the EF and RF 2x TCs on the EF 600/4 II, with the EF 2xIII delivering sharper results in the center and periphery. TT1/TT5 . Please check the Canon website for information about firmware updates. The 2x III grew 2.6 oz (75g) heavier than, and is .21" (5.3mm) shorter than, the Since the introduction of the 800mm f5.6, Canon changed their off-white color of their telephoto lenses. GEAR LISTCDS' HOT LINKSJake Hegnauer Photography. but as their image quality results shown on their reviews show, they can function with extenders. Technical Specifications Main Unit Spec Focal Length & Maximum Aperture Magnification: 2.0x Lens Construction 9 elements in 5 groups Max. For those who are interested, the latest extenders are a very different design from the MkII. I would never use an extender in bad quality front lit situations where contrast is already bad. This for me is more impressive. -EF 35-350mm f/3.5-5.6L USM IMG12 = new Image(600, 404) 1st it's a hobby ABOVE: Captured with EOS 7D Mark II, EF 300mm f2.8L IS lens with Kenko Teleplus HD DGX 2x teleconverter at 600mm. The Extender EF 1.4X III from Canon is designed for select Canon EF mount L-series telephoto lenses. The answer is yes! The 2X imparted a much bigger hit on AF speed than the 1.4x. You can use natural light, artificial light, or a combination of both. -A list of all compatible Canon lenses With an R5 in my future as well, why waste money on older design Mark II. Lets take a look at another sample that was shot with the 1.4x MKIII, Canon 1dMK4 , iso 1250, f5.6, 1/500 , 420mm, 100% crop from above image with 1.4x MKIII extender. Free shipping for many products! IMG2 = new Image(604, 404) The huge focal length increase of course comes with some penalties, including a modest financial cost, some size and weight addition and EF 28-90 , 28 @ 2.8 , 50 @1.8 , 28-135 IS Stopping the lens down one to two stops The new 2X TC III works very well for me on the 500. Registered members may log in to forums and access all the features: full search, image upload, follow forums, own gear list and ratings, likes, more forums, private messaging, thread follow, notifications, own gallery, all settings, view hosted photos, own reviews, see more and do more and all is free. Again, to my eyes, improvement has been minimal. Note that barrel distortion causes the center portion of the image (top image in the ISO 12233 tool) to be slightly enlarged, The lens aperture still opens to the same physical diameter, but the ratio of the aperture opening to the focal length is reduced by 2 stops. AF at center AF point, when any Version I, II or III Canon tele extender is used with compatible EF tele lenses AF at 27 focus points, and the central 9 points acting as cross-type points, with the following lens + extender combinations: EF 100-400mm f/4.5-5.6L IS II lens, with Extender EF 1.4x III We hope you find this chart helpful! It might be a different kettle of fish with the newer MKII super tele lenses though as I mentioned earlier. The biggest difference you see when swapping from a 1.4x to a 2x extender is the instant change in AF tracking accuracy. Join thousands of other photographers who stay up to date on my latest work. Even at F/4 IQ is very good.IQ with Extender 2xIII is affected. Extender Model: 1.4x II: 2x II: 1.4x III: 2x III: 1.4x II: 2x II: 1.4x III: 2x III: Actual Aperture: f/5.6: f/8: f/5.6 . Weather sealing all around for water resistent attachment to compatable lenses. Often better (when available) is to use Live View AF, which is generally supported with f/11 max aperture lens combinations. Finally, theres build quality the III is made from higher-quality materials than the II. The Canon EF 1.4x III Extender reduces contrast and sharpness somewhat. Canon EF 500mm f/4L IS II USM Lens and I recently asked a Getty Images photographer who has tested the new 400mm with the MKIII extenders and he said it was simply stunning. The Canon Extender EF 1.4x II. The latest versions for DSLRs are the Extender EF 1.4x Mark III and the Extender EF 2x Mark III. Well worth the upgrade. Cheers, C. I own a first generation Canon EF 2x. Its important to know that not all lenses play nice with all Extenders. It really depends on lens . TT1/TT5 . The 2xIII works nicely on the 70-200II however focusing speed is reduced by 50% so be aware of that. Comparing Canon's 300mm f2.8 Ls - MKI Vs MKII, Unboxing the Canon 200-400 F4 L IS 1.4 Ext, Checking Out The New Canon 50mm f/1.8 STM. Thanks. Tome Rodrigo 14.1K subscribers Subscribe 44K views 6 years ago Here I am showing if you can stack Canon Mark III. Compare the native maximum focal length to the extended focal length to see the optical change from the selected combination. What can I purchase that will not affect sharpness or auto focus speed? The Canon 180 L Macro is a lens that performs very well with extenders. More testing will confirm, but I've been testing with a pair of 2X converters stacked, and AF seems fast and accurate. The Canon 1.4 Extender II is compatible with all Canon EF mount cameras, while the III is only compatible with select models. On the question of 1.4x vs. 2x, the image quality of my 1.4x is far superior to either the EF 2x or EF 2x III that I tested at comparable focal lengths. And I'm sure that not everyone can justify the cost difference to go with the 2x III over the 2x II. These are the prices you pay for using an extender. The slight difference in color can be seen with the MKIII extender and this 500mm f4 L IS New larger lens release button on the MKIII versions MKIII on the left and MKII on the right. IMG3 = new Image(604, 404) And also, is the 1.4 x noticably better quality than the 2 x ? Great link, thanks! Canon extenders simply do not fit behind the rear lens element on Canon's non-extender-compatible lenses. I'd suggest getting the 1.4II. 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 Apart from that though there is little difference on the outside. Take from that what you will, but to me is says Canon are very proud of their performance. The III's new color matches Canon's latest white L lenses. Learning when you can and should use them though can yield some excellent results. by Dan Carr | Aug 29, 2011 | Gear Check, Lenses. 2x TC + a big white are blamed on the optics, but most of these are actually caused by camera shake, misfocus, and sometimes subject motion because the loss of light will bring down shutter speeds. In the Fall of 2010 Canon announced the introduction of new MKIII extenders to replace the previous MKII versions. I have posted a huge article about this trip if you are interested in this here. So, which one should you buy? Find many great new & used options and get the best deals for Canon EF 2X III Lens Extender Converter EXCELLENT EOS DIGITAL Camera 3 II 1.4x at the best online prices at eBay! Canon TS-E 24mm f/3.5L II Tilt-Shift Lens With all the information you need in one place, you can quickly and easily find out which lenses are compatible with this popular Canon teleconverter. The new mark iii 1.4x teleconverter is head and shoulders above the previous versions. The image below was captured with a Canon EOS 5D Mark III + EF 2X III + Sigma 120-300mm f/2.8 DG OS HSM Sport. I think I am definitely more confident that the extenders will work well with my 100-400 II and R6 combo, and make me lean more towards the 1.4x as the priority. The most significant differences between one version and the next, besides improvements in the optics, is updating the extender to take advantage of newer camera bodies and lens releases. IMG1 = new Image(604, 404) I personally think that with my current camera the 1.4TC is a better choice for this lens. Canon EF 200mm f/2.0L IS USM Lens It multiplies your focal length by 1.4x and makes your effective aperture one stop less. 135mm f/2L USM Lens: Yes The Canon 1.4 Extender III is a great lens adapter for anyone, regardless of what brand of camera they use. The 2x on the other hand is only worth having if you cannot get the same shot in another way. two at 400mm and two at 300mm, with my new Canon 100-400mm mark ii lens and there was virtually ZERO difference between the shots with vs . But I notice no slow down in AF on the new 70-200 mk II . In the above photo the car is coming at me at at least 150MPH. The Xplor 600 is slightly lighter than the Pro, weighing in at 2.65kg compared to the Pros 2.75kg. [Canon] The new mark iii 1.4x teleconverter is head and shoulders above the previous versions. It makes your 70-200/2.8 into a 100-300mm f/4, or your 300mm f/2.8 into a 420mm f/4. The price difference between 1.4 x and 2 x isn't much, so weighing up the pro's and cons of 1.4 x vs 2 x and II vs III. All extenders decrease the contrast of your image. document[imgDocID].src = eval(imgObjName + '.src'); Anywhere near the edges at all, the Mark III is noticeably sharper though. Heres a quick reference guide to help you sort it out. IMG6 = new Image(604, 404) In any case, the camera will compensate the exposure automatically. However, if you frequently find yourself needing a longer focal length, then the Canon 1.4 extender could be a worthwhile investment. (again, use the mouseover feature) usually improves the image quality of both the bare lens and the extended lens combination. (I owned the 400 and sold it quickly when I purchased the 500.). I know it's not an answer to your question, but I'd get a 1.4X III extender instead. There are a lot of factors to consider when choosing between the Canon 1.4 Extender II and III models. When it comes to finding the right camera gear, compatibility is key. Heres a full list of compatible lenses for each Canon 2x extender: This teleconverter will also decrease the sharpness of your images due to added optics, so its best used when shooting at lower resolutions or for less critical applications. ISO 12233 Resolution Chart Tool. I have no experience with either 2.0 Extender. Whats worth noting from this example is that the overall light level is much less. This means that youll need to use faster shutter speeds or open up your aperture accordingly if you want to maintain the same exposure as without the extender attached. In this post, well be taking a detailed look at the Canon Extender EF 1.4X III. the values to the right show Photoshop CS5 up-rezzed (resized larger) images created from the native image. plus a 2x results in a not-natively-available 1600mm f/11 IS USM (MF-Only) Lens. An Extender, or Teleconverter, is a lens accessory that fits between the camera body and lens, effectively increasing the focal length of the lens. Just before I left for the trip I picked up both the 1.4x and 2x MKIII extenders and I took them with me, along with my MKIIs to get a feel for them. 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