First, its important to understand what an extender does. 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. Canon EF 200mm f/2.8L II USM Lens The above images (of a Christmas Cactus flower) were taken from the same tripod-mounted position (using the tripod ring) with a EF 400mff /2..8 LUSMandIIa&b -EF28~105 mmf /35~ 4 .5 ~ 5 . But it does seem autofocus with the 70-200f/2.8L II IS is very quick with version III. Quantaray lens 70-300 macro plus a 2x results in a not-natively-available 1600mm f/11 IS USM (MF-Only) Lens. It increases the focal length of a lens by a factor of 1.4x while still delivering superb image quality. The new mark iii 1.4x teleconverter is head and shoulders above the previous versions. Note that barrel distortion causes the center portion of the image (top image in the ISO 12233 tool) to be slightly enlarged, If I didn't have any 2x extenders, I would probably buy the III unless I could find a good used II for less than $250. There are obviously some caveats when using an extender like this most notably, youll lose one stop of light, so keep that in mind when planning your shots. The extenders do not have provisions to update their firmware to accommodate new lenses, AFAIK. Thread started 08 Mar 2011 (Tuesday) 08:44, Gear list plus: EF 1.4X II . These lenses are used between any compatible EF type lens and any of the Canon EOS line of cameras. 5 U SM EFS 17 ~ 85 mmf ,f 4 . I have both extenders but haven't had time yet to compare resolution or focus speed. Canon - efs 10-22 , 17-55 , ef 18-55 IS I personally think that with my current camera the 1.4TC is a better choice for this lens. Canon EF 400mm f/5.6L USM Lens IMG3.src = 'https://media.the-digital-picture.com/Images/Other/Canon-Extender-EF-III/2x-Extender.jpg' Well, never fear! According to Chuck Westfall (Canon USA): Thread started 22 Nov 2020 (Sunday) 15:32. Whats worth noting from this example is that the overall light level is much less. I use to have the 70-2002.8isI as well. The first is price the III is about double the cost of the II. Tools. Results will of course vary depending on which lens you are attaching the extenders too. I own the 1.4 III extender, and am looking at getting a 2x. and the lens it is being inserted into if your alignment is off when mounting the extender to a compatible lens. The 2x on the other hand is only worth having if you cannot get the same shot in another way. But what if youre not sure if its compatible with your camera? Heres a quick guide on how to get the most out of your Canon 1.4x extender. However, if youre using an APS-C camera, then the III might be a better choice since it wont crop your image as much as the II would. ISO 12233 Resolution Chart Tool. Take from that what you will, but to me is says Canon are very proud of their performance. 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. when used with the Canon IS Supertelephoto Series II lenses mentioned above and (I expect) all future compatible lenses. Again, to my eyes, improvement has been minimal. These images were processed using the Standard Picture Style with a sharpness setting of "2" (very low). 10 second delay, ISO 800 f/8. 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. For example, if youre using a 100mm lens with a 1.4x extender, then youll effectively have a 140mm lens. Canon EF-S Lenses: All except for the EF-S 10-18mm f/4.5-5.6 IS STM Canon extender Mark III vs Mark II. That can be very useful for wildlife or sports photography when you want to get just a little closer without spending money on an entirely new and longer lens. 03/30/2023: New firmware updates are available. With the 5D Mark IV's new AF system, all AF points are active with with an f/8 lens, so I still get great compositional flexibility. I believe it will also autofocus faster with certain newer lenses like the 70-200f/2.8L II IS and the II Super Telephotos. In the above photo the car is coming at me at at least 150MPH. I have a suitable 70-200 L lens, but noticed that the older II versions are considerably cheaper. The second is autofocus the III has much better autofocus performance than the II. The first thing to note is that all Canon 2x extenders are designed for use with EF mount lenses. 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. I'd suggest getting the 1.4II. 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. This will ensure the combination lens information is transmitted correctly and completely. Well worth the upgrade. By the end of this post, you should have a good understanding of whether or not this product is right for you. I find the AF slows significantly using the 2x on the 70-200II in less than bright conditions. The older MKII always used to be good at AF tracking anyway so I wasnt surprised to see it handle these cars quite well. It works great in spite that the 1.4TC robs you of one stop. I decided to skip the EF 2x II because there were no optical improvements in it. With the MKIII T-Cons and the most modern DSLR AF Systems these "brakes" were finally removed. The new mark iii 1.4x teleconverter is head and shoulders above the previous versions. Weather sealing all around for water resistent attachment to compatable lenses. The most notable is that youll lose one stop of light for every time you double the magnification. Maybe someone who upgraded I to II can handle that part of the question. My extender purchase advice is similar to the advice I gave in the Canon 1.4x EF Extender III Review. Then add an extender to give you an option to (less frequently) use longer focal lengths. Extender 2x Mk II vs. 2x Mk III. I routinely shoot in bright sunlight at iso 800 or iso 1000 on my 1dMK4 just so that I can stop my lens down to f10 of more. Heres a full list of compatible lenses for each Canon 2x extender: Always buy the best / latest you can afford . The 2X TC II never worked at all well for me so I sold it years ago. In the Canon EOS system, this is done by deliberately reducing drive speed when an extender is detected. Canon Rebel Series: The 1.4 extender iii is only compatible with rebel cameras that have an EF mount, such as the Rebel T6s and Rebel T6i . To ensure this is working optimally, you should always attach the lens to the extender before attaching the extender to the camera body. 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." 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. Canon 1dmk4 , iso1250, 1/800, f8.0 , 420mm (300mm + 1.4xMKIII). The attachment is made from durable metals and polycarbonates, and it features weather-resistant gaskets to protect your camera gear from the elements. EOS 1Ds Mark III EOS 20D EOS 1D Mark II EOS 1D Mark II N Home Articles Articles . 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. What follows here is some commentary and observations on this experience. The 2x III grew 2.6 oz (75g) heavier than, and is .21" (5.3mm) shorter than, the It may not display this or other websites correctly. But I notice no slow down in AF on the new 70-200 mk II . | Hosted by Kinsta. Free shipping for many products! 500/4L IS) with sharpness at the image edges and corners, and with lower CA. I have no experience with either 2.0 Extender. It is not compatible with any other rebel camera models . Solution. IMG1 = new Image(604, 404) But, saving money is one of the reasons to buy an extender instead of a lens with a longer native focal length. I had my camera set to AI Servo. The zoom and focus rings are of course shifted away from the camera body the same amount as the lens. This Canon Extender 2x II is an ultra high performance teleconverter for use with Canon's high-performance telephoto lenses on all Canon EOS digital and 35mm cameras. They exhibit considerably less distortion than the Mark II counterparts. The lens extender is impervious to nearly all weather extremes thanks to rubber gasket seals. 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. Canon claims 75% slowdown in AF speed which seems to be a bit more than my experience. Because of that, most people only use Extenders when they absolutely need the extra reach AND have plenty of light to work with (like outdoors during the daytime). -A list of all compatible Canon lenses 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. Very little appreciable difference.