-EF 75-300mm f/4-.5-.6III USM I find the AF slows significantly using the 2x on the 70-200II in less than bright conditions. There are a lot of factors to consider when trying to answer this question. But which extender is compatible with which lens? The older 1.4x TC is 5 elements in 4 groups but the new one is 7 elements in 3 groups. CorrectYou can always use the kenko TCs, Sebastien5D mkIII ; 17-40L ; 24-105L ; 70-200L II ; 70-300L ; 35L ; 85/1.4 ; 135L ; 100macro ; Kenko 1.4x ; 2x mkIII ; 580EXIIM5 ; M1 ; 11-22 ; 18-150 ; 22/2.0 ; EF adapter; Manfrotto LEDBenron Tripod; ThinkTank, Lowepro and Crumpler bags; Fjllrven backpack. IMG9.src = 'https://media.the-digital-picture.com/Images/Other/Canon-Extender-EF-III/14x-Extender-20x.jpg' 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. Canon EF 600mm f/4L IS II USM Lens. The III's new color matches Canon's latest white L lenses. Particularly in my winter sports work, contrast of the snow is important to maintain. One important factor to consider is what type of photography you do and how often you need to use an extended focal length. I personally think that with my current camera the 1.4TC is a better choice for this lens. and the lens it is being inserted into if your alignment is off when mounting the extender to a compatible lens. This handy little accessory can extend the reach of your lenses by 1.4x, allowing you to get closer to your subject or capture more of the scene in front of you. 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. A Canon EF 300mm f/2.8L IS Lens becomes a 600mm f/5.6 IS lens. You always have to give something to gain something. The lens release button on the MKIIIs is also larger than on the previous version and it feels a lot nicer under the thumb in operation. Solution. In the Fall of 2010 Canon announced the introduction of new MKIII extenders to replace the previous MKII versions. All extenders decrease the contrast of your image. Canon 1D-Series: The 1.4 extender iii is compatible with all cameras in the 1D series. IMG2 = new Image(604, 404) i haven't considered buying the 2x mklll yet but if the difference is that much, i'll definitely get one in the future. Thread started 08 Mar 2011 (Tuesday) 08:44, Gear list plus: EF 1.4X II . 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. 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. Canon 1dMK4 , iso1250 , f11, 1/1000 , 420mm. Great link, thanks! If you only occasionally need a longer focal length, then the Canon 1.4 extender might not be worth the cost. I have a suitable 70-200 L lens, but noticed that the older II versions are considerably cheaper. 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. 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. . Buy a lens with the native focal length you need for best results. Buying an extender over a longer lens for financial reasons can also make sense. Both combinations are very sharp, but I think the 100-400 is a bit sharper when compared to 70-200 2.8L II + extender 2x III, noticeable if you use . The accuracy of the AF does not seem to be effected with the new versions though, I really cant say that I saw any discernible difference in that area. MKIII on the left and MKII on the right. I should have made that clear in my first discussion. There are a few key differences between the Xplor 600 and the Pro model that are worth mentioning. I traded in the 1.4 EX Mark II towards the purchase of the Mark III. The new mark iii 1.4x teleconverter is head and shoulders above the previous versions. 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. The II or the III? Canon EF 2x Extender II it replaces. 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, 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. But I notice no slow down in AF on the new 70-200 mk II . Canon EF 70-200mm f/2.8L USM Lens From what I've read, the new electronics will only be useful in some of the newer lenses and won't improve the performance with your 70-200L. [ very little use so far , but specs say it does slow down AF . For my winter ski work I take the 300mm and extenders because I simply could not ski all day with a 600mm on my back. Here are some things to keep in mind when using this popular teleconverter: This means that well need to compensate by either opening up our aperture or increasing our ISO settings. If you have an IS Mark II super-tele then it apparently makes the focusing more accurate. IMG5 = new Image(604, 404) More testing will confirm, but I've been testing with a pair of 2X converters stacked, and AF seems fast and accurate. F8 is definitely a sweet spot though in these examples. when used with the Canon IS Supertelephoto Series II lenses mentioned above and (I expect) all future compatible lenses. And their 1.4 extenders are no exception. Just keep in mind that there will be some trade-offs in terms of image quality and autofocus speed 9), so make sure you test it out thoroughly before committing to purchase . It makes your 70-200/2.8 into a 100-300mm f/4, or your 300mm f/2.8 into a 420mm f/4. Heres a quick reference guide to help you sort it out. It is more money, but the overtime earned from last month needs a home and I guess it's like a lot of things, buy cheap, buy twice. Looks like the original 1.4 is not a bad choice, for the right price. Thanks again for the speedy response. So if you attach a 1.4x Extender to that same 100mm lens at /2.8, it will now be /4- not as bright as it was before. Reproduction in whole or part without permission is prohibited. These same lenses have results from the version II extenders and provide a lens-by-lens basis for comparisons between the two extender versions. (I owned the 400 and sold it quickly when I purchased the 500.). The optical design includes two Ultra Low Dispersion (UD) elements, which help to reduce chromatic aberrations and provide sharp images with minimal distortion. Due to the nature of the work (and the fact that I was working) , it wasnt possible to do comparative photos tediously switching from one extender to the next. The front and rear elements have Canon's fluorine anti-smear coating making them very easy to clean. RF Lenses or EF/RF Drop-In Filter Adapter . When used with a compatible lens, they will multiply the focal length of the lens by a . ABOVE: Captured with EOS 7D Mark II, EF 300mm f2.8L IS lens with Kenko Teleplus HD DGX 2x teleconverter at 600mm. Accordingly, overall AF performance remains essentially unchanged with an EF Extender attached, versus the lenss AF speed without an extender.". But, Canon does not recommend using ETs at all due to reduced autofocus accuracy. Canon 1dmk4 , iso800, f11 , 1/2000 , 600mm (300mm f2.8 L IS + 2x MKII extender). I'm much happier with 2-stops-down 2x III results than wide open results. a huge article about this trip if you are interested in this here. The Canon 1.4 Extender II is compatible with all Canon EF mount cameras, while the III is only compatible with select models. As such, its often best to switch to manual focus when using an extender. but being able to shoot at a second focal length is a nice option. Two additional lenses in the same number of groups (9/5 vs. 7/5) are found in the III (and likely contribute to the slightly increased weight). There was little implied IQ improvement by Canon using the older super telephotos or zooms with the version III TCs. more impacting, a decrease in image quality and maximum aperture. 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. -EF 28-70mm f/2.8L USM --------------------------------------------------------. As for the improved optics, most reviewers have indicated that the difference in IQ between the 1.4x II and III is pretty slight, while the difference between the 2x II and III is more noticeable. However, according to the new item: | Hosted by Kinsta. A step up!! Is the 1.4 v III extender worth the extra $170? The Canon Extender EF lenses are a group of teleconverter lenses made by Canon. Extender 2x Mk II vs. 2x Mk III. Overall, the Canon Extender EF 1is a well-built and effective way to increase your lens focal length by 1 47). Both lenses have their pros and cons, so it really depends on what youre looking for in a lens. I would defy any one of them to find the shots in which I have used them! TT1/TT5 . Canon 5D Mark III (x2), BG-E11 Grips, 7D (x2) BG-E7 Grips, Canon Lenses 16-35 f/4 L IS, 17-40 f/4 L, 24-70 f/4 L IS, 70-200 f/2.8 L IS II, 70-200 f/4 L IS, 70-200 f/4 L IS Version II, 100-400 f/4.5-5.6 L IS Version II, TS-E 24 f/3.5 L II, 100 f/2.8 L Macro IS, 10-22 f3.5-4.5, 17-55 f/2.8 L IS, 85 f/1.8, Canon 1.4 Extender III, 5 Canon 600 EX-RT, 2 Canon ST-E3 Transmitters, Canon PRO-300 Printer. 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 was however great for shooting the moon.I recently purchased the Canon R6 and have used both the 1.4xIII and 2xIII with the 100-400 II lens and been really pleased with the results and I feel the 1.4x III produces much better results on the R6.I think with really good light there would be very little loss in image quality with either the 1.4 or 2. IMG4.src = 'https://media.the-digital-picture.com/Images/Other/Canon-Extender-EF-III/No-Extender-100.jpg' Extenders do not affect the MFD (Minimum Focus Distance) of the lens they are mounted behind, Canon EF 400mm f/2.8L USM Lens (non-IS) Pretty stunning really ! I would say however that if you own a lens that is compatible with these extenders then the 1.4x is well worth having, It can produce some truly excellent images. The biggest downside to using a 2x extender, in my opinion, is the image quality reduction it causes. Better optical quality is also expected. There is very little difference to be seen in these samples but as I mentioned before , I feel that in my real world shots the MKIII was very slightly ahead in contrast at lower apertures. The original Canon 2x extender, the Extender EF 1.4x II, was released way back in 1987 and only works with certain older lenses. Adding a Canon 1.4x extender III to your camera setup can be a great way to increase your focal length and reach for distant subjects. Canon5DMKIII, Canon 70D EF 24-105 f/4, EF 100-400L f/4-5.6 , EF 70-200L MKII f/2.8, EF 40mm f/2.8 G16http://http .com/photos/31182650@N08/. The obverse is not true. counter the pincushion distortion to a small extent. --. If youre a Canon shooter, then youre likely aware of the Canon 1.4x Extender II. So there is some new technology hidden inside these things that we have yet to unlock and as such I cant really comment on that new aspect. Just as it did when I was shooting at Le Mans. Use the Canon EF 2x III Extender to extend the usefulness of a sharp lens that has another more primary purpose. Don't be a stranger - register now and start posting! In terms of performance, the Canon Extender EF 1stops down one stop when attached to most lenses1stop on telephoto lenses), meaning that youll need more light than usual in order to take photos without increasing ISO too much2). Using an extender also reduces the amount of light coming into the camera by one f-stop. Each has its pros and cons, so it really comes down to what youre looking for in a lens. 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. L's 35-350 , 70-200 MK II IS 7D gripped XTI gripped Please check the Canon website for information about firmware updates. And, thats pretty much it. (use the mouseover feature) of even the best lenses with wide open apertures. The answer is yes! Others might find that the drop in sharpness isnt worth the extra reach. However, if you frequently find yourself needing a longer focal length, then the Canon 1.4 extender could be a worthwhile investment. 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.Can anyone with experience with these extenders weigh in? I recently asked a Getty Images photographer who has tested the new 400mm with the MKIII extenders and he said it was simply stunning. I own the 1.4x II and III, AF improvement alone makes the 1.4x III worth the cost. creates a very dark viewfinder that makes manual focusing difficult. Apart from that though there is little difference on the outside. -Image circle size compatibility information but as their image quality results shown on their reviews show, they can function with extenders. In order to maintain backward firmware compatibility, a performance ceiling must be established. What follows here is some commentary and observations on this experience. Most of my airshow photos of planes in flight are done at 400, 500 or longer focal lengths. Can you stack them together? DSLR cameras will continue to calculate auto exposures properly when used with Canon Extenders. The above images (of a Christmas Cactus flower) were taken from the same tripod-mounted position (using the tripod ring) with a On an APS-C sensor camera body, the effective focal length range is 150-600mm. TS-E Lenses: All While I could see a minor improvement in sharpness and barely perceptibly less vignetting, I decided my $500 was better spent toward a new lens or new body. Don't be a stranger - register now and start posting! Canon EF 70-200mm f/2.8L IS II USM Lens The 1.4x III adds some barrel distortion to the lens it is being used with. Image editing and C&C always OKGear list plus: EF 1.4X II . 03/28/2023: New firmware version 1.0.3.1 is available for, 03/14/2023: New firmware version 1.8.1 is available for, 01/18/2023: New firmware version 1.1.1 is available for, 01/09/2023: Help ensure your autofocus is properly aligned with a, 12/08/2022: New firmware version 1.0.5.1 is available for, 12/07/2022: New firmware version 1.7.0 is available for, 11/16/2022: We're thrilled to be ranked among the, 08/31/2022: New firmware version 1.1.1 is available for, 08/09/2022: New firmware version 1.2.0 is available for, 07/14/2022: New firmware version 1.0.1 is available for, 06/07/2022: New firmware version 1.3.2 is available for, 05/26/2022: New firmware version 1.0.5.1 is available for, 05/26/2022: New firmware version 1.0.3.1 is available for, 05/10/2022: Keep your Canon gear in optimal condition with a, 05/05/2022: We are excited to announce that we have refreshed the, 03/23/2022: New firmware version 1.0.3.1 is available for. IMG6 = new Image(604, 404) As far as compatibility within the EF mount lineup, things get a bit more complicated. The 2x III is similar to the 1.4x III and these reviews were prepared simultaneously. Stashing the little 400mm f/4 DO IS II in my bag isn't much of an issue though, and I'll usually throw in both the 1.4x and 2x extenders as well. Not just weight, but bulk too. But I notice no slow down in AF on the new 70-200 mk II . Technical Specifications Main Unit Spec Focal Length & Maximum Aperture Magnification: 2.0x Lens Construction 9 elements in 5 groups Max. The Canon 1.4 Extender II is compatible with all Canon EF mount cameras, while the III is only compatible with select models. 180mm f/3.5L Macro USM Lens: Yes These images were processed using the Standard Picture Style with a sharpness setting of "2" (very low). Built with Divi. Has anyone out there tried both and able to offer an insight into whether the paying extra for the newer version is worthwhile? 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