Canon EF 400mm f/2.8L II USM Lens (non-IS) I wrote about the MII 2x extender here before, so you might want to take a quick look at that for a couple of samples as well. IMG5.src = 'https://media.the-digital-picture.com/Images/Other/Canon-Extender-EF-III/14x-Extender-100.jpg' Its well-made, its easy to use, and its very affordable. Great extender for my needs Shiftysdad 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. Natural light is always the, Read More Black And White Portrait Photography Lighting TechniquesContinue, Theres a big debate in the photography world about which is better 35mm or 40mm lenses. My overall impression of the new MKIII 1.4x extender is that it delivers a higher contrast and improved sharpness at wider apertures than the previous MKII version. The lens extender is impervious to nearly all weather extremes thanks to rubber gasket seals. Is one lens better than another?, Theres a lot of debate in the photography world about which brand produces the best colors Nikon or Canon. The EF 70-300 mm f/4-5.6L IS USM isn't even designed to be able to use any tele converter. (and this is of course only true when you do not want the entire native lens' FOV). The difference between the II and III is quite small as other's have pointed out and you'll be saving a fair amount of money especially if you pickup one a used one. Caution Do not attach two or more Extenders on the same camera. If youre a Canon shooter, then youre likely aware of the Canon 1.4x Extender II. Particularly in my winter sports work, contrast of the snow is important to maintain. A great lens will typically produce the best image quality when used with the 2x and Is the 1.4 v III extender worth the extra $170? This is due to improvements in AF precision made possible by the new microcomputer in the extenders.". The image quality of lenses varies from model to model; and therefore, the optical results of the various with-extender combinations also vary. They exhibit considerably less distortion than the Mark II counterparts. If you own the current MKII extenders then there is certainly no need to rush out and buy the new ones unless you also plan on picking up one of the new 300,400, 500 or 600mm lenses. 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? Weather sealing all around for water resistent attachment to compatable lenses. The Canon Extender EF lenses are a group of teleconverter lenses made by Canon. (primarily Canon L Series lenses), extending the focal length of the lens by a very noticeable 2x. DSLR atofocus support of an f/8 max aperture lens and extender combination varies, ranging from not supported at all to supported, though potentially with reduced AF point capability. Extenders do not affect the MFD (Minimum Focus Distance) of the lens they are mounted behind, I would however use an extender if the sun is off at 90 degrees to my subject or more. The RF 2x actually performs pretty much identically to the two 1.4x TCs stacked (which yields the same final 2x magnification as the 2x TC). But, saving money is one of the reasons to buy an extender instead of a lens with a longer native focal length. While both brands produce great colors, I think Nikon has the edge. I have the 70-200 2.8L IS II and the TC-1.4 III that mounted on a 7D I use for sports. The Canon EF 2x III Extender increases the physical length of any combination it is used But I wonder if the 280mm you get with a 70-200 + 1.4x will be long enough for your needs. 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. All extenders soften your image, particularly at wider apertures. I believe it will also autofocus faster with certain newer lenses like the 70-200f/2.8L II IS and the II Super Telephotos. Often better (when available) is to use Live View AF, which is generally supported with f/11 max aperture lens combinations. List of lenses that are compatible with the EF 1.4x II and EF 2x II extenders. While some third party extenders *may* work properly with Canon's non-extender-compatible lenses, they probably will not report the reduction in aperture. Sigma 135 - 400 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 2x adds 2" (50mm) to the length, 12 oz (340g) to the weight and roughly 20% to the cost. This one used an EOS 5D Mark III + EF 1.4X III + Sigma 120-300mm f/2.8 DG OS HSM Sport: Both of the following images were captured using a Canon EOS 6D + EF 2X III + Sigma 120-300mm f/2.8 DG OS HSM Sport. An Extender, or Teleconverter, is a lens accessory that fits between the camera body and lens, effectively increasing the focal length of the lens. Much the same story here with the 2x extenders. All extenders decrease the contrast of your image. He's probably planning to use it with his 70-200. 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. I have the 70-200f2.8isII and the 1.4II, 2xII, 2xIII. 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 - Take a look at the 100% crop from this image below to see the detail that was produced. The zoom and focus rings are of course shifted away from the camera body the same amount as the lens. Thread started 08 Mar 2011 (Tuesday) 08:44, Gear list plus: EF 1.4X II . A Canon EF 300mm f/2.8L IS Lens becomes a 600mm f/5.6 IS lens. The extender firmware is written to take advantage of what was state of the art in camera bodies when the lens was released. At review time, the price differential between the still-available version II extenders and the version IIIs is rather high. But theres more to it than just focal length. Of course, to get an extender at all is the first decision to make. If you only occasionally need a longer focal length, then the Canon 1.4 extender might not be worth the cost. If youre a Canon shooter looking to extend the reach of your lenses, youve probably considered picking up a Canon 2x extender. There was little implied IQ improvement by Canon using the older super telephotos or zooms with the version III TCs. The huge focal length increase of course comes with some penalties, including a modest financial cost, some size and weight addition and more impacting, a decrease in image quality and maximum aperture. Nonetheless though I did get some nice images with it. Well worth the upgrade. In the above photo the car is coming at me at at least 150MPH. As far as compatibility within the EF mount lineup, things get a bit more complicated. (and maybe 90D, don't have first hand knowledge there) - You also needed a compatible lens: Version 2 IS telephotos, and version 2 IS zooms- Of course, you needed to use the MkIII T-Cons.Substitute any part of the chain, and AF brakes would be applied. I'm much happier with 2-stops-down 2x III results than wide open results. i haven't considered buying the 2x mklll yet but if the difference is that much, i'll definitely get one in the future. Tools. i have both, 1.4x ll and i.4x lll, i used the newer one with my 400mm 5.6 on a 1dmk4 and noticed a measurable difference in IQ compared to my 1.4xmkll tc! If you have an IS Mark II super-tele then it apparently makes the focusing more accurate. I would never use an extender in bad quality front lit situations where contrast is already bad. 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. RF Lenses or EF/RF Drop-In Filter Adapter . The Series III extenders include some durability improvements. Canon EF 500mm f/4L IS II USM Lens and 03/30/2023: Product Advisory for EF50 F1.2 L USM. Canon 1dmk4 , iso 2000 , f11, 1/800, 600mm (300mm + 2x MKIII). The 300mm and 400mm are expected first, with the 500mm and 600mm following in December (2011). This may seem like a drawback, but in reality subject tracking performance remains quite high when Series III Extenders are used with IS II lenses. 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. There are many factors to consider when choosing between the Canon 1.4 Extender II and III. Now these are some fast moving samples! Improvements in the Series III extenders promise to perform especially well on these specific lenses. Canon EF 180mm f/3.5L USM Macro Lens becomes a 360mm f/7.1 USM Macro Lens. 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. TT1/TT5 . These are the prices you pay for using an extender. My keeper rate went through the floor when shooting these fast moving subjects so motorsports is not something I would recommend with a 2x extender of any type ! 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. --. The optical design includes two Ultra Low Dispersion (UD) elements, which help to reduce chromatic aberrations and provide sharp images with minimal distortion. Thanks. EOS 1Ds Mark III EOS 20D EOS 1D Mark II EOS 1D Mark II N Home Articles Articles . Compare the native maximum focal length to the extended focal length to see the optical change from the selected combination. 1st it's a hobby The Canon 1.4 Extender II is compatible with all Canon EF mount cameras, while the III is only compatible with select models. And also, is the 1.4 x noticably better quality than the 2 x ? . I own the 1.4 III extender, and am looking at getting a 2x. 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