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canon 135mm f2 astrophotography
One way to combat potential soft images and chasing perfect focus all night is to stop the lens down to F/2.8 or even F/4. - in my subjects' skin. It seems lazy to me. Lots of older lenses no longer satisfy. That's why I really enjoy shooting portraits with it. In the past, Ive covered a number of different lenses, from the Sigma 24mm F/1.4 to the Canon EF 300mm F/4L. BTW, the 300-mm Tele-Tessar you describe -- what camera was it made for? It always happens to me with Samyang, it makes good glasses, fast and sharp, I want to have them, but they are not comfortable to use, not in Sony E, their focus is not precise, and they are not "so" cheap. Nice image, andysea. And you can even crop a 135 efl with today's sensors should you actually need it. Exterem apertures are extrems (wether it's full open or closed) that should be reserved for extrem cases. p.s. Stuff I used to take the photos. Simple as that! There are quite a few other excellent lenses out there, and nowadays, quite a few that can be used wide open. The 135 f/2 is not perfect. A lot of us have been saying this for years. Very sharp even at f2, build quality, price, weight, autofocus is fast, bokeh, No IS, flare, autofocus isn't quite as consistent as some newer lenses, focus speed, image quality, predictability, Image quality, build like a tank, focus ring, weight. This lens has the Pentax K bayonet mount, and requires the K-EOS adapter for attachment to Canon EOS cameras. Zoom lenses are entirely unsuitable for astrophotography due to prominent aberrations of every kind. Over the years, Ive shot deep-sky targets at varying focal lengths from 50mm to over 1000mm. The 135mm Rokinon with the Canon Rebel seems like a pretty good setup. http://www.idyll.com/135. After several years off, the venerable magazine has held a public open call photo contest and selected nine finalists and one winning image for its 'Photos of the Year.'. Please re-enable javascript to access full functionality. Its nice to have the F/2. I've recently started using 135 and 200mm lenses from the 1970s with my mono CCD and they've proven very useful for imaging large emission nebulae. It is fantastically sharp, can make beautiful blurred backgrounds and bokeh, and is both light and inexpensive for what you get. If you buy a nifty fifty or a 100mm macro lens you simply cannot go wrongyou will get a great and handy lens for your money, with great image quality. If you shoot things in motion on a Canon body, and need some reach without massive bulk, this is the one I recommend. A series of such images can be digitally stacked to produce excellent results. Nothing else like it and the reason the two DC lenses have remained in production since they were introduced in 1993. https://www.dpreview.com/galleries/1180017085/photos/3721717/bokeh. The Legendary Canon 60Da | Astrophotography DSLR (Image Examples) OK guysTOS rule number one "Posts that are not respectful of other individuals (be they members or not) are not welcome here.". This looks to be an excellent lens with fantastic results. They account for much of the disagreement that we see on-line (but not for the rudeness and viciousness of some of it). However, they can be perfectly corrected with narrow band H-alpha or OIII filters. This seems to be the norm for telephotos. There's literally no story!#6: Purple Flower.The isolation works because it's the only color. If you aren't completely set on the 135mm, the 200mm f/2.8L is a fantastic lens and i think its less expensive than the 135mm f/2L. In this post, Ill explain why I think the Rokinon 135mm F/2 is the perfect addition to an arsenal of astrophotography lenses. As such, it applies most directly here to areas of an image that are out of focus. 135mm F2.0 The optical design includes one extra-low dispersion lens element to control chromatic aberration, contributing to sharp, color-accurate imaging, and each of its lens elements features Ultra Multi-Coating to improve light transmission and reduce ghosting and flare. 10/10 (Editor's Choice) Check Price. Digital Cameras & Digital Camera Kits | Camera Gear | B&H Well, after lugging that lens around for years, I'm experimenting with adding the 135L back to my kit. $218.00 for 7 days. The original poster is right that it was a compromise though and stopping down was necessary for critical sharpness and a better image. Photography is art and technology, the latter serving the first.Photography is not something arty with a lot of gadgetry. Yuri toropin tests a bunch of lenses on Flickr which is a great source. I mainly use for head shot photography. Adam007,"a headshot is exactly where I want to see all those megapixels"No thanks. Better than nothing I guess, would depend on how much it raises the price. fast, sharp wide open, excellent bokeh, value for money, very fast, sharp, gorgeous background blur, world class lens. thanks for the tiring patronising lecture and then agreeing with me. The 135mm f2.8 in particular can take amazing photos of the brighter deep sky objects with about 1 second time . However, stepping outside to polar align a small star tracker and attach a DSLR and lens is quick and painless. This allows for less aggressive camera settings for night photography such as using a lower ISO setting and shorter exposure. In fact, in my test shots, I noticed that the red channel was a little softer than green and blue. [emailprotected]. The second best, is the Hoya Pro One Digital MC UV(0) filter. Large hood. Just plain black plastic (no interior felt as in newer lens hoods). And yet this review is on front page of DPReview prompting me to go and buy this lens -- so surely it must be a professional , well grounded review, right? Chris referred to the Canon RF 16mm F2.8 STM as 'a little gem'! (purchased for $700), reviewed October 9th, 2012 Testing on an EOS-5D, we see that it's sharpness is almost as good wide open in the corners as on the EOS-20D with its smaller sensor. Amazing sharpness wide open at F2.0 and the focus ring is nice and firm not tight you don't really need to tape it down for astrophotography. One of my very best lenses! The 135 L handles this well. parts of your main subject extend beyond the DOF range it will never look flat. For comparison, no other lens I know of would earn more than 8/10. Here are our top picks for the canon lenses for astrophotography. These are affordably available on eBay, and result in perfectly round star images, the way nature intended them to be. The latter are designed for crop sensor cameras and the back of the lens sticks too far into the body of the camera and would hit the EOS-clip filter. Sure, not all 135mm lenses are lightweightSigma's new 135mm F1.8 is rather heavy at 1130gbut if you look at the Samyang 135mm F2, which is pretty much flawless optically, it weighs only 830g. Tack sharp at f/2. Geometric distortion is lower than one would expect, at 0.15% pincushion maximum, with an average of 0.07%. Preaching to the choir! An h-alpha filter would still be useful for your D500, but much more so if it were modified! I have never had a bad experience buying used Canon lenses from eBay sellers with 99.5%+ positive feedback. At around $900 US very good price for quality no IS. 24/28mm, 50mm, 100mm, 200mm. I read and bought it. No one yet mentioned a zoom lens, I had an opportunity to test my Canon 24-105L f/4 on M31 Andromeda Galaxy and received wonderful results with Canon 60D unmoded, I set it to 105mm, No vignatting, slight coma on the corners and no false color on bright stars. The lenses I listed are certainly not the ONLY exceptional lenses made over the years. But this lens changed my mind. This makes me feel I shall take the Zeiss 85F1.8 off my A6000 or maybe NOT, it's just another hype article about "A" lens. With weather sealing this would be a 10. FULL FRAME TELEPHOTO 135mm F2.0 Why so salty? You would be hard pressed to find any other lens on a full frame camera that produces creamier bokeh. AHAB. One thing I am most stun is its AF performance. Best lenses for astrophotography: 50, 85 and 135mm - DSLR, Mirrorless & General-Purpose Digital Camera DSO Imaging - Cloudy Nights Cloudy Nights Astrophotography and Sketching DSLR, Mirrorless & General-Purpose Digital Camera DSO Imaging CNers have asked about a donation box for Cloudy Nights over the years, so here you go. Hey Trevor, great article! When I was on my way home after purchasing my first 135mm lens (the Samyang/Rokinon one) I took a few quick snapshots just to try out the lens. (purchased for $1,000), reviewed January 1st, 2007 Canon 135mm f/2 L Review - Ken Rockwell The Rokinon website lists this lens as being useful for portraiture photography, and most telephoto applications. Reducing aperture with the built-in aperture iris interferes with the light path, and results in eight diffraction spikes around bright star images. These were just a tad less sharp at the corners than their Canon competition, but certainly extremely sharp all over the field if closed down one stop or even half a stop. I therefore reduce the aperture at the front end of the lens (as an aperture stop) by screwing in a series of step-down rings into the filter thread. Fantastic IQ & Bokeh. Now I wonder why people are never happy even on 3rd day of a new year :) Come on guys just think "Micael Widell" was working over holiday period to publish this free article ;). Material on this site may not be reproduced, distributed, transmitted or otherwise used without the prior written consent of The Imaging Resource. I have a 135mm f2.8 lens I've used for wide DSOs but mostly I use 200mm. Zeiss Jena or Oberkochen? It's a technical review about a couple of lens attributes. I also find the other photos not very good. (purchased for $1,625), reviewed January 27th, 2010 The 135L is half the weight of the 70-200 2.8IS. I love the lens for my modified Sony a6000! The flat lens hood design allows you to easily take flat frames with the Rokinon 135mm using the white t-shirt method or using a flat panel. A single, 90-second exposure using the Rokinon 135mm F/2.0 ED UMC at F/4. What you need to know is the author is a hobbyist and hands his images over to px500, the bottom of the barrel so of course he is impressed, he doesnt use top flight gear day in, day out to earn his pay. The lens is not weather-sealed, so you definitely dont want to leave your camera and lens (and your tracking mount!) The Japanese word "bokeh" can be translated into English as "blur". Will this ever get old? Back in 1999, Sony released the F505, their first digital camera with a Carl Zeiss lens. Robert. There are a lot of photo/video cameras that have found a role as B-cameras on professional film productions or even A-cameras for amateur and independent productions. The 70-200 f2.8 L2 and he 400f5.6 will however set you back way more than $1.100. Given the spot on DPR front page, lots of 'what-lens-should-I-buy' newbies will be spending their money on this one. Every different lens design has different "bokeh" even when the lenses are by specs same, like Canon 135mm f/2 vs Samyang 135mm f/2 are both same, but both render differently, even when both have same DOF. Would you recommend a collar/support for the lens? Jordan's twin brother Gordon is back to review the cinema-focused Canon EOS R5 C! Most small refracting telescopes start in the 300 to 400 mm focal length range, and even these are classed as widefield telescopes. USM works so quickly and accurately, it puts my 24-70/f2.8L to shame. Creamy smooth bokeh. I dont mean to be rude, but I fail to see any photographic comparison or test to display the quality of this lens against others, concerning coma or anything else, except considerations on the manual focusing, its shape and ergonomic. Great question Scott I think it depends on the image. CP+ 2023: Sigma has announced it is bringing its trio of DC DN APS-C prime lenses to Nikon's Z mount: its first lenses for Nikon's mirrorless system. Not too heavy. Have you ever come across this phenomena? You get what you get.#4: Cat in Underbrush.That's pretty good.#5: Woman with Blanket.It's like a snapshot. IQ will rival any other lens. This is perhaps because I'm more of a zoom guy (I have the trio of Canon f2.8 L zoom lenses, with coverage from 16mm to 200mm), and I didn't see that big a difference between my 70-200 f2.8 and my 135 f2except I could cover a lot more with my zoom than I could with a prime. In an effort to save money, Id like to start using a Canon 80D that we already own to start picking targets and imaging. Any good ones apart from the Big Boys. Sharp but smooth at the same time. In general, prime telephotos should outperform zooms. But in the rush to make hybrids why are aren't we giving video shooters the tools they need? With a rounded 9-blade diaphragm, shallow depth of field imaging will be rendered with pleasing out-of-focus highlights. There are times that making no comment at all is far more telling than posting negative - and sometimes offensive - ad hominem attacks on the author for daring to show some enthusiasm. Digital sensors are roughly 5 times as sharp as 400-speed film. Some people like these, and consider them decorative. Deserves to be in the camera hall of fame. Since Eric was so generous to share his images with me, I had to include his photo of the Rho Ophiuchi cloud complex as well. for sample photos and video tour, This is simply the best Canon prime lens that I have tested. The few occasions I use a 135 FL usually are landscape shots (where I have no use for f2) and childrens playing (where I need zoom and fast af). Thanks! At under 900USD, it's a steal. These capable cameras should be solid and well-built, have both the speed and focus to capture fast action and offer professional-level image quality. Great post; thanks for the detailed information. Canon's 700-200 zooms have IS and are weather sealed two features that the 135 f/2 lacks. I should mention that I have only tested this full-frame lens using my astrophotography DSLRs, all of which are crop-sensor camera bodies. The difference between modern and old telephoto lenses is probably similar to the difference between my APO and an old Jaegers 5in F5. One very popular lens for bokeh fiends is the Canon 85mm F1.2it can produce extremely creamy out of focus backgrounds. The Sadr Region in Cygnus, including the Crescent Nebula by Eric Cauble. 135mm f2 vs 200 f2.8 primes? - Beginning Deep Sky Imaging - Cloudy Nights Thanks & Cheers Contrasty but not harsh. Really excels as indoor sports lens on a crop camera. Comment * document.getElementById("comment").setAttribute( "id", "a0721c0ca7d0974fd27b5d0ceb81918a" );document.getElementById("cfd2c22fe2").setAttribute( "id", "comment" ); Your email address will not be published. Show some humility and don't troll. 45 minutes. Build quality: excellent. Besides lack of IS, the only major issue I have with this lens is flare. Images that sing. It's just "girl" in front of blurriness.#2: Plants on a pond.It's okay. Just not useful if you already have traditional focal lengths. Canon CR-N700 4K PTZ Camera with 15x Zoom. So I sold it for nearly what I bought it for and chalked it up to a learning experience. Begun in 1975, the Pentax K-mount legacy continues to this day. Using a Canon EF 24-105mm Lens for Astrophotography - AstroBackyard Moreover if we have a serendipitous moment regarding a new (or used) lens, that's a good thing. The image is a 90-second exposure at ISO 400 using a Canon EOS 60Da. Then you should have tried the 180mm nikkor ED, the old one, which is the favorite tool of a lot of astrophotographers. All lenses mentioned below are adaptable to Canon EOS cameras with slim EOS adapters which allow the lenses to focus just slightly past infinity. Thanks for the fine article and the thought you put into it. I loved the Nikon 80-400G for a year, or so, and then found everything with it wrong, and got rid of it. I'm thinking a modern (but expensive) Nikon 200mm f/2.0, 300mm f/4 or f/2.8 or a Borg telephoto/telescope would all be very good. Litepanels Studio X2 Bi-Color LED Fresnel Light. Used with a FF body the DOF can be unforgiving, but if you nail focus the results can be magnificent. Also, when shooting the heart nebula, is the sky tracker a must or not required? They're heavy, and expensive, but you can carry one lens instead of three, and can vary the compression and field of view to a significant degree - from nearly normal, to long portrait focal lengths. I just love the lightning fast & accurate focus of this lens. Touching the telescope, even ever so slightly, will introduce vibrations which will ruin the photograph. How good this lens overall and how sharp and color-free? Also, the newer and much more expensive 200mm F4 SMC Pentax with the K mount is decisively inferior, showing small but annoying red chromatic aberration. Yeah I agree that the sentiment that they were designed to be used stopped down is wrong as they were designed to be used wide open because they had to be for speed (my point above). When you shoot a 135mm F2 lens at F2, your subject will stand out in this beautiful way, often without much work needed from you as the photographer. I would love to see his test images. Of my last 3500 shots only 62 were made with the 135 f/2. Olympus 75mm f1.82. So I feel I'm being cheated. I find neither the cat nor the duck particularly good. Although typically unused in astrophotography, I did get a chance to see the beautiful bokeh this lens creates when shooting at F/2. The OP admits he limited experience with lenses other than what he has. They were not however designed to be bokeh monsters though that was just a side effect of making them fast and people bought them for speed with bokeh being the afterthought so not Bokeh for the sake of Bokeh as he said. Bokeh is buttery smooth, best you can get from a 135mm. I would! When i check a F stop chart, i see 15 stops if i count the main, and the secondary ones: 2, 2.4, 2.8, 3.3, 4, 4.8, 5.6, 6.7, 8, 9.5, 11, 13, 16, 19, 22. Canon 135mm is a great lens. 30-35% diameter reduction is usually necessary on "good" lenses. Is there a reason why a 135/2.8 or even 135/4 would provide significantly different images? This is one of my all time favourites. Nikon 300/4 ED IF, Sigma 50/2.8 DG Macro (not a telephoto, but good). Samyang 135mm F2 0 ED penoklatkowy obiektyw asferyczny tel thank you for that great review and also the explanations. This is a very practical way to plan your next astrophotography project, and especially handy when using a wide field lens like the Rokinon 135mm F/2. The Andromeda Galaxy using the Rokinon 135mm F/2.0 ED UMC lens. I shoot dozens of weddings every year but the 135mm stayed in my bag a majority of the time; I just didn't find myself needing to use it. The finish and texture of the Rokinon 135mm F/2 is a step up from the 14mm F/2.8 I ordered a few years ago. As the reader reviews below testify, this is an absolutely stellar lens, probably one of the sharpest and most distortion-free that Canon makes. A quick question, I have a Sony a6300 mirrorless camera which is great but the sensor is very close behind the mount. Perfect lens on the same level as CZ! Flip on through what we found, and see how the lens performs in the real world in our sample gallery. Image quality, weight and value for money. I've done comparisons between my brand-new Samyang 85/1.4 and the old big Apollo 135/1.8 lens I had lying around, and the shots were for all practical purposes identical (exept, obviously, for the pixel count once cropped). the lens is built strong, very strong. In 3 months I got loosy focus ring. Still - a great portrait lens when used at f/2.8 or f/4, with a creamy bokeh indeed. You won't get the excessive background blurr -- which for the beginning photographer may actually be a good thing. 2. It's terrible. My Rokinon 135F2 on my crop body is fun to play with.. a budget lens with budget construction on a discontinued camera system.. but hey im just a ham and egger https://flic.kr/p/21nj82V, I had a Canon 135/2 for a while, but I decided I preferred the 100 L used not as a Macro but a normal lens (which my non-L USM 100 Macro was quite poor for). But she might as well be in front of a green screen. That's a cheap, fun date for AP. Add To Cart. Holiday Savings $50 . The focuser adjustment rotates roughly 270 degrees, meaning fine-tuning on a bright star is more precise. I have a Nikon d 500. The only reason i sell this lens is because of versatility. Also, accurate guiding is essential. Your Baader filter passes 420-680nm and, in theory, a good APO should be able to focus that part of the spectrum with no chromatic aberration. Why would I want a 135/2.0 lens when I have a 135/1.8? At least not in my camera (Sony A6000), the focal length in a crop sensor does not make it very suitable for portrait, the photo detail is something else, but without AF that type of photography with that focal distance and at least 80 cm of the subject it requires too much dedication, with how comfortable the DMF approach mode is for that type of photography Also in my mount it does not have any communication with the camera (it does not have a chip, it only has it for Nikon). Got it! 645 lenses such as the mamiya apo line and pentax edif can operate within these conditions without vignetting on apsc sensors. Best lenses for astrophotography: 50, 85 and 135mm - DSLR, Mirrorless We revisit a classic DPReviewTV episode in which Chris Niccolls and Jordan Drake shoot a few rolls of Fujifilm's Acros 100 II, and a few frames on the X-T3 in Acros film simulation, to find out. The Rokinon 135mm F/2 ED UMC. Some of the primes have a special look to them, but only the 70-200 is indispensable. The aperture range of this lens is F/2 to F/22, with 9 diaphragm blades (aperture blades) that work in harmony to set your f-stop. Great reach for street shots. There is some controversy about the use of UV filters, but I found that a good UV filter significantly improves contrast, sharpens small star images, and reduces chromatic aberration. While some people LOVE the bokeh circles (first photo), others hate them and consider them a distraction.The 50mm f/1.8 is hardly a lens to talk about. The full extent of the relationship between Rokinon and Samyang is unknown to me, but the packaging on my lens says Technology by Samyang Optics. This is the EF-M series version. (purchased for $900), reviewed August 22nd, 2008 What next, an article extolling the virtues of 43mm, or 70mm? I have the Canon 135 f/2 and loved it from day one. This gives me the power of 162x, which is barely sufficient for my 420mm fl APO astrograph at full camera resolution. Theres no image stabilization on the Rokinon 135mm F/2 either, but thats a non-issue for amateur astrophotographers. Standards have risen in recent years. This lens has only two drawbacks. But will live with it as it provides good protection of the front element. Never before (nor after) have I seen a lens with this level of sharpness wide open. I am a complete amateur at photography in general and this is all new to me so thank you for all the information and videos. The Rokinon 135mm F/2.0 ED UMC lens is a fantastic companion for the Canon 60Da, as it offers a useful "mid-range" focal length for a variety of deep-sky projects. Although if Bokeh and sharpness is your thing and you can live with MF the Laowa 105mm f/2 Smooth Trans Focus (STF) is amazing. Particular properties of modern 135/2 lenses are resolution with e.g. With no general agreement about what Bokeh is it is little wonder that there is so much argument and disagreement. I've owned nice SLR gear since 1976, and am normally a wide angle shooter this is my favorite lens, of all time. The lens has 14 stops when turning the aperture. Take care not to confuse this lens with the 200mm F4 SMC Takumar 6x7 which has a different optical configuration, and which I have never tested. Samyang/Rokinon 135mm F2 for Astrophotography: Review - YouTube Chromatic aberration is almost eliminated in narrowband, so lenses with that problem may be fine performers. It is by far the fastest focusing, best bokeh, and lowest light lens you will ever find. Part of it might be that they were designed for film photography and modern digital sensor are far more demanding in terms of optical quality. Overall, the lens feels very solid and well constructed. The 135mm f/2.0 ED UMC Lens from Samyang is a manual focus telephoto prime lens useful for portraiture and most telephoto applications. The image below was captured using a DSLR and 135mm lens on the Sky-Watcher Star Adventurer mount. I purchased this lens for the purposes of wide-field deep-sky astrophotography from my light-polluted backyard (shown below), and when traveling to a dark sky site. Otherwise, on FF body this lens is wonderful. That means that it doesnt require a robust equatorial telescope mount as a larger, heavier telephoto lens would. It is good to know that the 200/4 SMC Takumar is good. We case our eye over the options costing more than $2500 but less than $4000, to find the best all-rounder. As rest you do just by cropping or stitching. You can go lower, but you have to watch your technique. Sharpness, contrast and the natural vignetting on full-frame cameras is awesome! It is a parade of photos that should have been galled out after a boring Sunday afternoon shoot of "Think I'll bring along a camera when I walk the dog", There are so many things wrong in this 'review' -- most of all the idea that 'you' should get this lens and somehow it magically makes the duck or the cat stuck right in the center of picture a great photo! We were very impressed with X-T5's 40-megapixel APS-C sensor, check out some full resolution images! It focuses within a blink of an eye, instantly. Big F-value.Light. Typical L construction. For my purposes, this is a spectacular lens. Its fast f/2.0 maximum aperture is effective in low light and enables shallow depth of field control. Which Canon EOS M Would be Best for Astrophotography? Be careful with the focus. The 135mm f/2.0 ED UMC Lens for Canon EF Mount from Rokinon is a manual focus telephoto prime lens useful for portraiture and all medium telephoto applications. The lens hood is removable (and reversible), which makes packing the Rokinon 135mm away into the included lens pouch possible. IS is useful in my f/4 zooms but I don't need it to hand-hold this lens. (purchased for $900), reviewed November 2nd, 2015 I want to see the bokeh and the sharpness at 100% mag, don't care about the photos. The criterion I used in evaluating lenses was optical perfection with no reservations. Reg. As in all arts the client's likes influence the result up to a point. sigh, overdone bokeh and centre sharpness bear little relevance to the art of this hobby. If you are a Nikon user, of course have a look at the Nikon AF Nikkor 135mm f/2D DC and compare it to the other lenses mentioned in this article. Nevertheless, it performs excellently on most star fields, and is too cheap not to acquire. Thomas, I do have no experience with the Canon lens you mentioned but zoom lenses have limitations concerning aberrations while providing more flexibility.The Nikkor 70-200/4 that I like as a travel lens is a very good performer but the Zeiss 135/2 APO is in a different league. Asahi Optical's Pentax KX was one of the first cameras with this lens mount, acting as a midrange model in the lineup. Another drawback is the focal length. The F/2.0 maximum aperture of the Rokinon 135mm lens offers a chance to collect a serious amount of signal in a single shot. Because it manage to do so. No telephoto lens can be used with cameras modified by the removal of the internal UV/IR cut filter and anti-aliasing filter. Some lenses are incurable. For that I would investigate alternatives just to make sure. (37% is difference, so you get little more, about 15.5Mpix) ". The duck and cat are really the only good shots. Also, I used to have a Nikon 180/2.8 ED IF AF and 300/4 ED IF AF. The downsides of this configuration are that shooting wide open can make focusing difficult. The best ones listed below serve well with a one stop reduction, and some require two or even three stops. My Nikon focus and aperture rings are a thing of highly finessed engineering beauty! The Canon 135mm f/2 is no less impressive on a full-frame camera. (purchased for $890), reviewed October 21st, 2005 Samyang 135mm f/2.0 ED UMC Telephoto Lens for Canon EF Digital SLR Cameras Focus throw. Andysea, those are great images on your website. I use the word design, because although the available 135mm F2 lenses aren't the exact same optical formula, they share many important traits.