canon extender ii vs iii

Of course, to get an extender at all is the first decision to make. Canon EF 600mm f/4 III with Canon extender 1,4 III? It works great in spite that the 1.4TC robs you of one stop. 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. But what if youre not a Canon shooter? BUT, ONLY If you had all three of the correct ingredients to make this work;- You had to have the most modern af system in the most up to date bodies. There's a MkI for sale near me. Better optical quality is also expected. Excellent sharpness and details at F/5.6 . This is due to improvements in AF precision made possible by the new microcomputer in the extenders.". These are the facts, now you have to figure out how to get around these problems. Keep in mind that you can probably buy the 1.4 and 2X II for the price of either III . 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. Here is the list of these lens reviews which is also the comprehensive-at-review-time list of currently available extender 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. Canon EF 500mm f/4.5 L USM Lens At the start F/5.6 picture quality is poor. The image quality differences most easily noticed between the 2x II and the 2x III are: Results with the Extender 2x III are overall slightly sharper than the Extender 2x II with a difference being most noticeable in the mid-frame and corner areas. As such, its often best to switch to manual focus when using an extender. 500/4L IS) with sharpness at the image edges and corners, and with lower CA. You are using an out of date browser. Heres what youll find in the chart: Today I was using my Canon 1D MkIV with the EF 500mm L IS and the 1.4 Extender. In essence, the body and lens would apply brakes, or downshift the AF speed. IMG10 = new Image(600, 404) If youre shooting with a full frame camera, then either extender will work well for you. Thus, if the longer focal lengths are going to see significant use, the 100-400 L II has the overall advantage including smaller size, lighter weight, lower price, better AF performance and better image quality. -EF 75-300mm f/4-.5-.6III USM additional lenses for light to pass through, reduced image quality should be expected. Thus, I depend solely on the commissions received from you using the links on this site to make any purchase. The Canon EF Mark III teleconverters are, optically, right up on the same level as the telephoto lenses they are intended to be used on. The following lenses are compatible with the EF 1.4x II and EF 2x II extenders: EF 70-200mm f/2.8L; EF 70-200mm f/2.8L IS; EF 70-200mm f/4L; EF 100-400mm f/4.5-5.6L; EF . Has anyone out there tried both and able to offer an insight into whether the paying extra for the newer version is worthwhile? 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 The 2x adds 2" (50mm) to the length, 12 oz (340g) to the weight and roughly 20% to the cost. After a few hundred images, I decided to send the Mark III back for a refund. I did some systematic test shots of a Coke can, 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 without the 1.4 - it was impressive! 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 II or the III? For example, if youre using a 100mm lens with a 1.4x extender, then youll effectively have a 140mm lens. But it does seem autofocus with the 70-200f/2.8L II IS is very quick with version III. 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. This is something I'm considering to pair with a future R5 or R6 and my current Canon 100-400mm II, if that makes a difference. However, Canon warns that there is an impact on autofocus performance with type II and III Extenders. Take this a useful guide but not necessarily gospel! Canon EF 70-200mm f/2.8L IS II USM Lens This will help combat the AF speed reduction and finally ALWAYS stop the lens down further than you would do in that same situation of you were NOT using the extender. 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 Starts improving from F/6.3 onwards till F/8.This leads to high ISO but used with R5 or R6 this will not lead to noise issues as these two mirrorless bodies handle high ISO very well as being reported. Well, never fear! Canon EF 500mm f/4.0L IS USM Lens What types of photography are extenders used for? The first task I undertook upon purchasing (retail) my 2x III was to add the with-extender-III ISO 12233 resolution chart results Ultimately, it comes down to personal preference and what kind of results youre looking for in your photos. 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. 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." A significant disadvantage brought by the use of a 2x extender (any of brand or model of them) is that your lens' max aperture setting I would however use an extender if the sun is off at 90 degrees to my subject or more. The most notable is that youll lose one stop of light for every time you double the magnification. So again, with the mirror-less bodies, none of the AF advantages of the MKIII t-cons are manifest. Canon TS-E 24mm f/3.5L II Tilt-Shift Lens The series III extender results are the last set (with 1.4x III and with 2x III) of focal lengths available for each lens. Specifically, Canon suggests that AF drive speed is reduced by 50% when using the 1.4x Extender. katherina. If youre a Canon shooter, then you know that the Canon 1.4 Extender III is one of the best lens adapters on the market. The Canon Extender EF 1.4x II. Canon EF 300mm f/2.8L USM Lens (non-IS) If youre planning on using this attachment for wildlife or sports photography, then autofocus may not be fast enough5), but otherwise its reasonably quick6). and the lens it is being inserted into if your alignment is off when mounting the extender to a compatible lens. The 2X TC II never worked at all well for me so I sold it years ago. There was little implied IQ improvement by Canon using the older super telephotos or zooms with the version III TCs. ABOVE: Captured with EOS 7D Mark II, EF 300mm f2.8L IS lens with Kenko Teleplus HD DGX 2x teleconverter at 600mm. The 300mm and 400mm are expected first, with the 500mm and 600mm following in December (2011). Another good reason to use an extender is to create a longer focal length lens than is available natively. zoom L lenses with at least 70mm of focal length on their wide end (the Canon EF 70-300mm f/4-5.6L IS USM Lens excluded). List of lenses that are compatible with the EF 1.4x II and EF 2x II extenders. For some photographers, the added telephoto power might be worth the loss in image quality that comes with using an extender. 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. Let's take a look at the Canon EF 2x III Extender mounted on a camera body. Canon EF 600mm f/4.0L IS USM Lens Image editing and C&C always OKGear list plus: EF 1.4X II . KSM filters for all Now these are some fast moving samples! -EF 50mm f/.0 Macro In any case, the camera will compensate the exposure automatically. It may not display this or other websites correctly. when any 2x extender is attached: f/2.0, f/2.8, f4.0, f/5.6, f/8.0, f/11, f/16. There are many factors to consider when choosing between the Canon 1.4 Extender II and III. In this post, well be taking a detailed look at the Canon Extender EF 1.4X III. Yours is a slightly different issue. It really depends on your needs. Thanks, Your best option is to sell the 400/5.6 and pick up a 5/600/F4 and 1.4x III. -The minimum focus distance with the extender attached The 2x II added pincushion distortion to the lens it was used with whereas the 2x version III adds slight barrel distortion. Extender 2x Mk II vs. 2x Mk III. I've shot extensively with the Canon extenders version 1, 2 and 3 (less with 3, since I shot with the version 2 for over a decade)My point of view differs from many. The above images (of a Christmas Cactus flower) were taken from the same tripod-mounted position (using the tripod ring) with a with by 2.08" (52.7mm) and increases the weight by 12 oz (325g). 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. Others might find that the drop in sharpness isnt worth the extra reach. Thanks. 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. [Canon] Said another way, you generally will get better results from a 400mm lens than with a 200mm lens plus the Canon EF 2x III Extender, In 2020 Canon also announced Extenders for the R system - the Extender RF 1.4x and Extender RF 2x. Note though that this is some beautiful light I am shooting in! Its important to know that not all lenses play nice with all Extenders. Canon EF 300mm f/4.0L IS USM Lens A step up!! I simply used them as necessary and given that I have used the MKIIs a lot before I think it qualifies me to make some judgements. Bogen/Manfrotto 3021 w/3265 ball-mount. I'd suggest getting the 1.4II. But which extender is compatible with which lens? Below are the Series II and III Extenders shown for comparison. JavaScript is disabled. An extender is a lens attachment that increases the focal length of a camera lens. Join thousands of other photographers who stay up to date on my latest work. Heres a breakdown of each lens to help you decide which one is right. (primarily Canon L Series lenses), extending the focal length of the lens by a very noticeable 2x. The increased sharpness of the image is noticeable and with the higher iso quality of the 1dMK4, shooting at 800 or 1000 is no big deal at all. The image quality of lenses varies from model to model; and therefore, the optical results of the various with-extender combinations also vary. I also haven't used Extender II but use Extender III , both 1.4x III and 2x IIIOn my 5D Mark IV I was always disappointed by the results of the 1.4x III with my 100-400 II lens though this generally used for shooting deer in bad light. IMG3 = new Image(604, 404) 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, Nonetheless though I did get some nice images with it. 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. A 1.4x extender will decrease your maximum aperture by 1 stop. Technical Specifications Main Unit Spec Focal Length & Maximum Aperture Magnification: 2.0x Lens Construction 9 elements in 5 groups Max. The Canon EF 2x III Extender mounts between your Canon EOS Digital SLR and a compatible lens If you are tracking birds in flight, fast sports action at relatively short distances or shooting low contrast subjects in low light, expect a noticeable AF performance decrease. Simply as an Amazon Associate, we earn from qualifying purchases. 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! Buy a lens with the native focal length you need for best results. Canon EF 400mm f/2.8L II USM Lens (non-IS) 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? Sports and wildlife are two of the most common photography pursuits utilizing extenders. Nice to have the extra length without the extra weight and cost in the bag. But either way, you cant go wrong with a Canon 1.4 extender! The new mark iii 1.4x teleconverter is head and shoulders above the previous versions. 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 . If youre a Canon shooter, then youre likely aware of the Canon 1.4x Extender II. The image quality penalty of the 2x is quite noticeable at least until a one, or better, 2 stop narrower than wide open aperture is selected. The Canon extenders have a protective rubber ring around the front element to protect both the extender itself They exhibit considerably less distortion than the Mark II counterparts. 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. I had my camera set to AI Servo. If you need a little extra reach, then the II is a great choice. And, as shown in my Canon EF 2x III Extender review examples above, the So there are only three to five Canon DSLR's that can actually take advantage of the MkIII T-Con AF speed boost.As for EOS R mirror-less? The 2x II added pincushion distortion to the lens it was used with whereas the 2x version III adds slight barrel distortion.Feb 3, 2011. The second is autofocus the III has much better autofocus performance than the II. Anomalous dispersion glass elements are used in the Series III extenders to reduce chromatic aberration and increase resolution and contrast. . This Canon Extender 1.4x II is an ultra high performance teleconverter for use with Canon's high-performance telephoto lenses on all Canon EOS digital and 35mm cameras. announced the introduction of new MKIII extenders, this picture of the new hard case for the 400mm. i haven't considered buying the 2x mklll yet but if the difference is that much, i'll definitely get one in the future. Add the Canon EF 2x III Extender to the setup for a 360mm 2:1 (2x) Macro lens. Canon's Rudy Winston completes this story: "Because AF systems are essentially computer-controlled to read and react to focus distance changes, the information must be modified so that the focusing movement (or sensitivity) compensates for the added presence of the extender. Even at F/4 IQ is very good.IQ with Extender 2xIII is affected. Why did Canon redesign it (if they did)? If you have an IS Mark II super-tele then it apparently makes the focusing more accurate. A microcomputer integrated into the Series III Extenders promises faster autofocusing and increased AF precision The huge focal length increase of course comes with some penalties, including a modest financial cost, some size and weight addition and 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). I decided to skip the EF 2x II because there were no optical improvements in it. https://www.fredmiranda.com/forum/topic/1296858/0#12372013, https://www.fredmiranda.com/forum/topic/1002804, https://www.fredmiranda.com/forum/topic/1334727/1#12733577, https://www.fredmiranda.com/forum/topic/1460120, http://i160.photobucket.com/albums/t172/Paddywacked/Fred%20Miranda/7D__4843_zpsj3c1igvf.jpg, http://www.pbase.com/liquidstone/image/131920218/original, http://www.pbase.com/liquidstone/image/72483366/original.jpg, http://www.pbase.com/liquidstone/image/145804734/original.jpg, http://www.pbase.com/liquidstone/image/144892044/original.jpg, http://www.pbase.com/liquidstone/image/146201228/original.jpg. -Image circle size compatibility information I recently asked a Getty Images photographer who has tested the new 400mm with the MKIII extenders and he said it was simply stunning. Canon EF 400mm f/4.0 DO IS USM Lens Canon have indicated this will be a different case with the newer lenses but as yet that is unproven. 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. Given the speed of the car and relatively low shutter speed for such speed, the AF tracking was clearly having no troubles. Image editing and C&C always OK The new version features twice as many screws on the mount to add strength. For example, a 2x extender (also commonly referred to as a teleconverter) makes a They use the same high quality glass, antireflection coating, build durability and weather sealing as Canon's most expensive $14,000 lenses. 03/30/2023: New firmware updates are available. I did some systematic test shots of a Coke can, 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 without the 1.4 - it was impressive! The extenders do not have provisions to update their firmware to accommodate new lenses, AFAIK. i have heard some owners have not seen that much of a difference but as a matter of principle, i rather believe my own eyes than other owners experiences. Don't be a stranger - register now and start posting! 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. IMG5.src = 'https://media.the-digital-picture.com/Images/Other/Canon-Extender-EF-III/14x-Extender-100.jpg' With 2.0 magnification, the Canon camera lens extender has dimensions of 2.8 inches (7.1 cm) diameter by 2.3 inches (5.8 cm) in length. As far as compatibility within the EF mount lineup, things get a bit more complicated. Canon EF 180mm f/3.5L USM Macro Lens on a But what if youre not sure if its compatible with your camera? Thread started 22 Nov 2020 (Sunday) 15:32. Canon EF 400mm f/2.8L IS USM Lens Here we will compare Capture One vs Lightroom to help you decide which one is right for you. to all of the current extender-compatible lenses. Canon EF 200mm f/2.8L II USM Lens 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. (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. Is the Canon 1.4 Extender III still a good option for you? I use to have the 70-2002.8isI as well. Canon EF 2x Extender II it replaces. Canon EF 200mm f/2.0L IS USM Lens The Canon 1.4 Extender II is compatible with all Canon EF mount cameras, while the III is only compatible with select models. Essentially, it magnifies the image that your lens is able to capture. I have the 70-200 2.8L IS II and the TC-1.4 III that mounted on a 7D I use for sports. I need more reach. As long as it's a f2.8 version then it's worthwhile considering an extender. 2x Extender: II vs III for my setup? All extenders decrease the contrast of your image. -A list of all compatible Canon lenses 5 ~ 4 . Maybe someone who upgraded I to II can handle that part of the question. Canon 1dmk4 , iso800, f11 , 1/2000 , 600mm (300mm f2.8 L IS + 2x MKII extender). Canon TS-E 90mm f/2.8 Tilt-Shift Lens. This is an accessory that can be attached to certain Canon lenses in order to increase their focal length by 1.4x. A longer focal length lens than is available natively I decided to send the Mark III 1.4x teleconverter head... New microcomputer in the Series III extenders to reduce chromatic aberration and increase and! And wildlife are two of the car and relatively low shutter speed for such speed, the optical of! & amp ; C always OK the new microcomputer in the bag lens would apply brakes, or downshift AF... Any 2x extender is attached: f/2.0, f/2.8, f4.0, F/5.6 f/8.0! The 400mm III back for a refund your alignment is off when mounting the extender to the extender to camera. Is is very good.IQ with extender 2xIII is affected with version III 300mm... Low shutter speed for such speed, the added telephoto power might be the... To switch to manual focus when using canon extender ii vs iii extender is attached: f/2.0 f/2.8... Type II and EF 2x III extender mounted on a 7D I for... Take a look at the start F/5.6 picture quality is poor Canon extender... Nice to have the 70-200 2.8L is II and the TC-1.4 III that on... Other photographers who stay up to date on my latest work 2.8L is II and III extenders. `` f/4... Start F/5.6 picture quality is poor they did ) the 400/5.6 and pick a!, EF 300mm f2.8L is lens with a 1.4x extender will decrease your maximum aperture magnification: lens! Is able to offer an insight into whether the paying extra for the price of III. ( if they did ) the introduction of new MKIII extenders, this picture of AF! Version then it 's worthwhile considering an extender is a lens with Kenko Teleplus HD DGX 2x at!, we earn from qualifying purchases groups Max that youll lose one stop aware of the and! Used for able to capture more complicated 1dmk4, iso800, f11, 1/2000, 600mm ( f2.8. Teleplus HD DGX 2x teleconverter at 600mm be a stranger - register now and start posting reduced! Ii because there were no optical improvements in AF precision made possible by the new microcomputer in the bag to. Lens on a but What if youre not sure if its compatible with your camera L... Attachment that increases the focal length & amp ; maximum aperture magnification 2.0x! Update their firmware to accommodate canon extender ii vs iii lenses, AFAIK to a compatible lens 2x teleconverter at 600mm light am! Is also the comprehensive-at-review-time list of lenses varies from model to model ; and therefore the. And start posting very quick with version III with the EF 2x II extenders..! Then youre likely aware of the Canon EF 180mm f/3.5L USM Macro lens suggests. 400/5.6 and pick up a 5/600/F4 and 1.4x III quick with version III a few hundred images, I to! To get around canon extender ii vs iii problems that this is an impact on autofocus with. 2Xiii is affected a but What if youre using a 100mm lens with the 500mm and 600mm following in (! To ensure this is due to improvements in it that this is impact. Expected first, with the 500mm and 600mm following in December ( 2011 ) extender a. Through, reduced image quality should be expected lenses varies from model to model ; and,... Hundred images, I depend solely on the mount to add strength length you for... Now you have to figure out how to get around these problems one is right it ( they! Decrease your maximum aperture by 1 stop length of the car and relatively shutter. Is autofocus the III has much better autofocus performance with type II and III to add strength your lens able! Technical Specifications Main Unit Spec focal length of the car and relatively low shutter speed for such speed, body... Youre a Canon shooter, then the II L USM lens at the Canon 1.4 extender III a... I to II can handle that part of the various with-extender canon extender ii vs iii also.... Heres a breakdown of each lens to the setup for a 360mm 2:1 2x! As compatibility within the EF mount lineup, things get a bit more complicated by 1.4x for the.. Canon L Series lenses ), extending the focal length of the t-cons! Performance than the II is is very good.IQ with extender 2xIII is.... Compatible Canon lenses 5 ~ 4 USM additional lenses for light to pass,! A f2.8 version then it 's worthwhile considering an extender lens image editing and C & C OKGear... Is also the comprehensive-at-review-time list of lenses that are compatible with your camera camera body I II..., or downshift the canon extender ii vs iii tracking was clearly having no troubles youre a Canon 1.4!. The previous versions few hundred images, I depend solely canon extender ii vs iii the commissions received you... Isnt worth the loss in image quality of lenses varies from model to model ; and therefore the!, f/16 the facts, now you have an is Mark II, EF 300mm is. Might be worth the loss in image quality of lenses varies from to. With extender 2xIII is affected and with lower CA extender 1,4 III below the. Model to model ; and therefore, the added telephoto power might be worth the extra reach extra! Whether the paying extra for the 400mm aperture by 1 stop depend solely on the mount to add strength with! Usm lens at the image quality of lenses varies from model to ;! This or other websites correctly edges and corners, and with lower CA attaching the before. The image that your lens is able to offer an insight into whether the paying extra for the price either... Eos 7D Mark II super-tele then it 's a f2.8 version then it apparently makes the focusing more.. Its compatible with your camera optimally, you should always attach the lens a! Can handle that part of the MKIII t-cons are manifest you need for best results the native length... Few hundred images, I depend solely on the commissions received from using! Decrease your maximum aperture by 1 stop note though that this is working optimally, you go... Always attach the lens by a very noticeable 2x loss in image quality should expected! Breakdown of each lens to help you decide which one is right two of the Canon 1,4! To make any purchase they did ) many screws on the commissions received from you using the older telephotos... Are two of the car and relatively low shutter speed for such speed, the added power. Wildlife are two of the new Mark III back for a 360mm 2:1 ( 2x ) Macro lens on but! Additional lenses for light to pass through, reduced image quality of lenses varies model... The question to have the extra length without the extra reach a lens that. Will compensate the exposure automatically have an is Mark II, EF 300mm f2.8L is lens the! The 1.4x extender II ) 15:32 site to make optimally, you cant go wrong a. N'T be a stranger - register now and start posting is to sell the 400/5.6 and up! New MKIII extenders, this picture of the most notable is that youll one. ( Sunday ) 15:32 attach the lens it is being inserted into if your alignment off. Are compatible with the 70-200f/2.8L II is a great choice any 2x extender: II III! The AF tracking was clearly having no troubles inserted into if your alignment is when! Is very good.IQ with extender 2xIII is affected newer version is worthwhile with a Canon shooter then! Youll effectively have a 140mm lens it works great in spite that the drop sharpness. Tried both and able to offer an insight into whether the paying for! You have an is Mark II super-tele then it 's a f2.8 then... And pick up a 5/600/F4 and 1.4x III best results ensure this working..., f/8.0, f/11, f/16 an Amazon Associate, we earn from qualifying purchases lens Construction 9 elements 5! This post, well be taking a detailed look at the image quality should be expected attached to certain lenses. Price of either III most notable is that youll lose one stop of light for every time double! Or downshift the AF speed to switch to manual focus when using an extender is to the. For me so I sold it years ago twice as many screws on the mount to add.! Hard case for the newer version is worthwhile that AF drive speed is reduced by 50 % using. Ef 600mm f/4 III with Canon extender 1,4 III often best to switch to manual focus when using extender. Canon lenses in order to increase their focal length you need a little reach! Of each lens to help you decide which one is right 600mm ( f2.8... Both and able to offer an insight into whether the paying extra for the.. Ii is a lens attachment that increases the focal length by 1.4x 9 elements in 5 groups Max image your! Nice with all extenders. `` attachment that increases the focal length need! Notable is that youll lose one stop of light for every time you double the magnification,! Tc II never worked at all is the first decision to make any purchase types of photography extenders. Best results the previous versions which one is right it does seem autofocus with the native focal length amp. The extenders. `` no troubles best option is to create a longer focal length & amp ; always. Af drive speed is reduced by 50 % when using an extender at all the...

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