canon 135mm f2 astrophotography canon 135mm f2 astrophotography

Unfortunately, standard photography lenses are generally poorly corrected for CA at the red end of the spectrum, relying on the human eye's poorer resolution in red than green or blue. It requires the Contax-EOS adapter for attachment to the camera. The Image Sensor Frame tool lets you enter in the size of your camera sensor, and focal length of your lens (or telescope) to display a frame over the star map. Over the last ten to fifteen years excellent apochromatic telescopes have become available for visual use and photography. Nikon 300/4 ED IF, Sigma 50/2.8 DG Macro (not a telephoto, but good). BTW, the 300-mm Tele-Tessar you describe -- what camera was it made for? He has quite a breadth photos many of which are quite good. One of them is simplicity: A clear, simple subject that constitutes a shape, standing out and contrasting against a calm and simple background. Nothing just makes sense about the review -- the writer does not really understand the lens he is reviewing, very basic concepts are wrong. After the first exposure in M mode, the camera throws an error saying Error please press the shutter button again. image quality wise it is by far one the sharpest lenses ive ever used. Chris referred to the Canon RF 16mm F2.8 STM as 'a little gem'! I was expecting a lot more of an article that says "the best telephoto lenses for astrophotography". I typically shoot with Canon lenses, but the potential for low light photography (whether thats astrophotography or the ability to film at dusk) caught my interest. Backwards compatible (film). There are a total of 8 stops actually written on the lens. By the way, I still enjoy using my very sharp Sears 135mm, PKA mount lens. 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. There is no doubt that the 135L deserves it excellent reputation for image quality. [emailprotected]. Sharp, handy, strong colours and contrast. Second of all, the incredible sharpness of the photo: I have owned many lenses, most of which I bought because they were supposed to have world-class sharpness, but the Samyang 135mm still stands out to me. p.s. 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. 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. http://www.flickr.com/photos/tbrigham/284303834/. Now, I have to admit that up to this point, it sounds a little too good to be true. Large focus ring. To actually learn to compose the photos so that the background complements the image instead of being something that must be blurred away. I would love to see his test images. I'm not a fan of the large hood. Although this lens feels solid, it is rather light when compared to a telescope. It's an ideal portrait lens. On a full frame body, I rely upon this lens and it does not disappoint. Because of some residual chromatic aberration even with the aperture stop, the best focus lies not where the star image is the smallest, but rather just slightly away from infinity, at the point where the star image barely begins to enlarge. Finally, to prevent image shift during exposure, all telephoto lenses must be supported at two points: at the camera end, and at the far end with a large retaining ring. f/2! (purchased for $1,625), reviewed January 27th, 2010 Its nice to have the F/2. 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. Thanks Gary! With the 135 I imagine I'd have to get up on the roof. For comparison, no other lens I know of would earn more than 8/10. A camera tracker (or star tracker) is necessary for long exposure deep-sky astrophotography, but a compact model such as the iOptron SkyTracker or Sky-Watcher Star Adventurer will do just fine. Focusing a wide open F/2 lens is demanding of the optics, especially on a field of stars in the night sky. The OP admits he limited experience with lenses other than what he has. After a three-year hiatus, we've been at the return of the CP+ camera show in Yokohama, Japan. That setup will give you all that you really need. It starts out very sharp at f/2.0, gets even sharper at f/2.8, and softens only slightly at f/11. Its fast f/2.0 maximum aperture is effective in low light and enables shallow depth of field control. My goal for this article was to show some great example photos and share some ideas for projects this lens is a good fit for. With no general agreement about what Bokeh is it is little wonder that there is so much argument and disagreement. USM works so quickly and accurately, it puts my 24-70/f2.8L to shame. Focal length: 135mm Maximum aperture: f/2.0 Lens construction: 10 elements in 8 groups Angle of view: 18 degrees Closest focusing distance: 3 feet Focus adjustment: Rear focusing system with USM Mount: Canon Filter size: 72mm Dimensions: 3.2 inches in diameter and 4.4 inches long Weight: 1.7 pounds Warranty: 1 year See more BirdDog P240 40X NDI PTZ Camera. Sometimes though, we stumble upon a great lens design which is strong in all three. Hey Trevor, great article! Rokinon 135mm F/2.0 ED UMC LensCheck Price (Amazon): https://amzn.to/2MOUFeOExample Images: https://astrobackyard.com/rokinon-135mm-f2-astrophotography/I've . http://johncarnessali.com/camera-lens-tests/5109, After reading too many long, and arduous threads pertaining to the new Zeiss 135, I felt compelled to share my perspective on the wonderful Canon 135. No rubber sealing against the camera body tend to give me the creeps when shooting in the wet. Samyang 135 f/2 astrophotography gallery Below some pictures I made using Samyang 135 lens with QHY163 mono camera and iOptron Smart EQ Pro mount. The flat lens hood is great for taking flat frames after a night of astrophotography. 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. This lens has only two drawbacks. However, for $15 I also bought an old Tamron Adaptall 2, 135 mm f2.5. It must not be confused with the much cheaper SMC Takumar, often deceptively advertised as SMC Pentax Takumar, which has the M42 camera thread, and is plagued with unextinguishable blue chromatic aberration. Here are our top picks for the canon lenses for astrophotography. Have not used a 70-200 since. Moreover if we have a serendipitous moment regarding a new (or used) lens, that's a good thing. I do not see much difference in background blur or bokeh. Great for portraits. 10/10 (Editor's Choice) Check Price. 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 background blur is amazingly creamy with this lens. What is it like shooting with one today? 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 ;). Im getting a samyang to use with my 60D. It's not a bad lens, probably a great one, even if it doesn't seems really as sharp as a basic 85mm f/1.8 (used at f/2.8) , but it's a bad idea to work wide open if you don't need to. To achieve creamy bokeh, a lens should have a wide maximum aperture and a long focal length. Just plain black plastic (no interior felt as in newer lens hoods). 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. First of all, the background separation and the bokeh: I had photographed lots of animals in bushes before, but never before had I seen the bush melt away in the way it did with the 135mm lens. Smooth but contrasty. My first photo of the night sky is of Comet NEOWISE, however I know its not the best photo I could capture. If the title had been: "Testing My First Telephoto and LOVING IT!!!!!!!. Together they still weight less than any modern 135mm :>. Since I am interested in wide field astrophotography, I bought a new, unmodified, Canon 600D body for use with telephoto lenses. Samyang 135mm F/2 ED UMC Review (Camera Labs), Does a F/2.0 lens become F/2.8 when used on a crop sensor camera? Some noteworthy targets to try. Got it! I really like how they augment my longer focal length scopes. There is no such thing, in my opinion. In the past, Ive covered a number of different lenses, from the Sigma 24mm F/1.4 to the Canon EF 300mm F/4L. The version I have has the mount for Canon EOS camera bodies, but there are several different lens mounts available on Amazon. Thanks to you I got a Rokinon 14mm f2.8 and a 24mm f 1.4 and am considering this lens at the moment, but wonder how it compares to the Canon 135 mm f/2. I heard it's very sharp and well corrected. http://www.flickr.com/photos/tbrigham/314771597/ 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. 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. I do not presume to further decorate the universe, and perceive them for what they are: interference. Stuff I used to take the photos. The shot of the cat could certainly be improved through cropping, though. Thats quite a jump from 135mm, so the camera body you use with this lens may change the types of targets you shoot. (And cost less too). Stopping down would actually have improved the picture. Yes, there is some sharpness added when stopping down to f4 or f5.6 but after that it doesn't get better. It is by far the fastest focusing, best bokeh, and lowest light lens you will ever find. This looks to be an excellent lens with fantastic results. "Bokeru" is a verb, and it can apply equally to to optical and psychological effects, including the reduced mental clarity that can some with age. This lens is simply lighter, cheaper & faster (f/2.0 vs f/2.8). This leaves you with a buttery bokeh and an object in perfect focus. Images that sing. Interesting that ancient, low-tech (no ED glass, no special coatings) non-apo telephotos could produce decent results compared to something modern. 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. I've been using a vintage FD 135/3.5 on my A7R IV as a compact tele option, often alongside a tiny Samyang 75/1.8. It allows to push your main subject matter into abstraction wide open and get very detailed images stopped down. Not too heavy. The Rho Ophiuchi Cloud Complex by Eric Cauble using the Samyang 135mm F/2 lens. I used Canon's 135 f/2 for ten years. It would seem to be a better use of a camera to first look for a suitable background, and then and only then to use bokeh. I'll walk you through all this inc. Chromatic aberration is almost eliminated in narrowband, so lenses with that problem may be fine performers. To remedy this, I reduced the star size in post, and I started shooting at F/4 to really tighten things up. Sure, the Nifty 50 is an incredible value (and a LOT cheaper), but the 135mm puts you within range of some of the best astrophotography targets in the night sky. The 135L is half the weight of the 70-200 2.8IS. The Heart and Soul Nebulae captured using a DSLR and the Rokinon 135mm lens. "That is why when SLRs came along the 200mm became the big seller and the 135 was largely forgotten"Did you notice that this 135mm F2 lens on an APS-C camera is more or less equivalent to a 200mm F2.8 lens on an FF camera ?So this lens can be seen as the 200mm F2.8 lens for APS-C camera users. I have heard others mention that this lens has a plasticky build quality, but I believe this aspect has been improved. Also, as creative as the wide-field 135mm focal length is, its not practical for smaller DSOs and most galaxies. Today I want to talk about another such lens design: The 135mm F2 lens. To fit the Heart and Soul Nebulae in a single frame requires an extremely wide field of view (compared to the magnification of most telescopes). I seems many people he are confused about the meaning of the word. 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. sigh, overdone bokeh and centre sharpness bear little relevance to the art of this hobby. Add To Cart. Big F-value.Light. The Rokinon website lists this lens as being useful for portraiture photography, and most telephoto applications. The aesthetic quality of the blur in the out-of-focus parts of the image are buttery smooth and soft. You can barely tell it's a pond.#3: Duck.Birds with bokeh are fine. While there are certainly pricey 135mm F2 lenses out there (such as the aforementioned Sigma 135mm F1.8 Art, or the Carl Zeiss 135mm) there are a couple that give you extreme value for the money. Super sharp and renders beautiful creamy bokeh. Sony has added a full-frame 50mm F1.4 prime to its premium 'GM' range of E-mount lenses. Star parties or dark sky excursions are another great time to use a camera lens in place of the telescope. This image of NGC 7000 was done at F/4 at iso 800 with a Canon 20D mod. I bought my lens in mint condition for $350 from Japan, but I see that some retailers are asking significantly more. Optics quality, sharp,very special picture, sharpness, clarity, weight, fast, accurate AF (fringe benefit of f/2), price, no IS, makes you regret buying any zoom lenses, compact, very sharp wide open, good color contrast, bokeh, this is the lens. The lens is not weather-sealed, so you definitely dont want to leave your camera and lens (and your tracking mount!) Are you really using 135 a lot? I'm enjoying the Sigma Art 135mm - it's notably sharper than the Canon (which I owned at the same time), and it's f/1.8 instead of f/2. Perhaps you have seen the photos of masterful Russian portrait photographers such as Elena Shumilova or Anka Zhuravleva. But you just know that there is the professionalism that is lacking here -- and the writer's Instagram page confirms that. Otherwise I might not achieve focus? I had a 70-200 f/4 that i used unstopped at 200 with awesome results. 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. I love the lens for my modified Sony a6000! Please re-enable javascript to access full functionality. You can also find him as @mwroll on Instagram and 500px. Also Nikon DC 135mm f/2 is a great lens, a little better than 135mm Canon here some information (sorry only in italian) http://www.astrovale-usm/index.html The only reason i sell this lens is because of versatility. Stick to Andromeda, and skip the Whirlpool. Please ride off on the same horse you rode in on. The closest Ive been to the 135mm range is 105mm on my Canon 24-105 zoom. (purchased for $1,000), reviewed January 1st, 2007 The image is a 90-second exposure at ISO 400 using a Canon EOS 60Da. I understand the optical design is quite old. I got my first 400 around 50 years ago, and I must say that each step forward feels like a revolution, for a while. Film Friday: DPRTV reviews Fujifilm's Acros II film, Fujifilm launches Instax Mini 12 instant camera, DPReview March Madness, vote for your champions, Canon RF 16mm F2.8 STM sample gallery (DPReview TV), OM System M. Zuiko 90mm F3.5 Macro sample gallery, Live from Japan: Highlights from CP+ 2023, Retro Review: 24 years later, the Sony F505 is still pretty cool, Hands on with the OM System M. 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I wanted to add my experience with some lenses that I thought worthy of being considered too, and some of the equipment that I have used. In this post, Ill explain why I think the Rokinon 135mm F/2 is the perfect addition to an arsenal of astrophotography lenses. The Rokinon 135mm F/2.0 ED UMC is one of the most affordable and practical lenses for astrophotography on the market. Panasonic 35-100mm f2.8. The best ones listed below serve well with a one stop reduction, and some require two or even three stops. You will see why. Sigma 105/2.8 DG EX Macro (very sharp at infinity) 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). But you are talking more than 2x crop (cut half by width and height) and that leaves you to twice smaller resolution == quarter of the Mpix count. Also, I used to have a Nikon 180/2.8 ED IF AF and 300/4 ED IF AF. As such, it applies most directly here to areas of an image that are out of focus. (Actually if I can live with the DoF I prefer it to my 85/1.2 too, as there is much less bonus colour.) If you don't like that article that's your right as a member. Samyang 135mm f2, 100mm f2.8, and asperical 16mm f2.8. The lens hood is not petal-shaped, which is great news for those using this lens for astrophotography. I cant seem to find this documented anywhere. Interesting. I took a few shots with the lens on my way home after buying it. Yes there's bokeh. @ Juksu - you're pathologically clueless. Does the bright star reflection bother you? Well saturated but neutral. Must have if you're serious about portraits. You can go lower, but you have to watch your technique. I mount it on my APS-C camera and the focal length literally becomes 216 mm, which is too tight. You might never need another lens in the overlapping range at 135mm there isn't much difference between the separation afforded by f/2 vs f/2.8, and the latest 70-200s are plenty sharp. Check them out for yourself! Great post; thanks for the detailed information. Its a joy to work with every time. Your images have a chance at remaining sharper once critical focus has been achieved, but now you have lost the extra light-gathering power you wanted. I like fast lenses, and my Nikkor 105DC is my favourite. That is the story.#7: Leaves.That doesn't work. I would! Fantastic IQ & Bokeh. Lenses with extreme sharpness and bokeh tend to be heavy. It improves slightly stopped down. It can isolate subject while being tack sharp with beautiful creamy bokeh when used at f2. The first shot I ever took with this lens was of my neighbor's cat, as it was sneaking around in a bush. (purchased for $900), reviewed December 14th, 2006 f2, very sharp, virtually without CAs, contrast, colour, lightwight, buildings. About 3 hours of exposures split between Narrowband, Broadband and short exposure shots to make an HDR image. Standards have risen in recent years. Fast. Not heavy like the white tele-zooms. Why take a step back from 250 to sit between the RedCat and the 24-105? 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. Some of the primes have a special look to them, but only the 70-200 is indispensable. The lens is available on eBay for around $200. The downsides of this configuration are that shooting wide open can make focusing difficult. There is no agreement about what Bokeh means. (Dpreview), Use the 500 Rule to find the Perfect Exposure Length for Astrophotography, Use a DSLR Ha Filter for Astrophotography, AstroBackyard | Astrophotography Tips and Tutorials2023, Optical Construction: 11 Glass elements in 7 Groups. I've tested some of the old Pentax 6x7 lenses with a friend. Deep-sky astrophotography is often associated with a camera and telescope, but the truth is there are a lot of great camera lenses for astrophotography out there. It seems they are now quite comparable in quality to prime lenses. It's just "girl" in front of blurriness.#2: Plants on a pond.It's okay. Taking images at this focal length from the city will swell issues with gradients, especially when shooting towards the light dome. Ironically all the sample images in this post are painfully soft. Bye As the reader reviews below testify, this is an absolutely stellar lens, probably one of the sharpest and most distortion-free that Canon makes. In these situations, a portable, wide-field imaging rig wins. Diffraction from the cheap EF-s kit zoom lens was uneven. However, these APOs have a couple of drawbacks. The extent of this influence lies mainly in photographer's perception and creativity.As all arts photography may serve given needs due to numerous reasons with the resulting integrity of the work not necessarily suggesting art.The photographic gear (from lens cleaning tissues up to s/w) is just the tool(s) of a photographer in order to produce its work. (purchased for $650), reviewed June 6th, 2008 The image below highlights the creative freedom this lens provides. Any good ones apart from the Big Boys. Valerio, I sold my Canon Lens because in Nikon Lens there is a Defocus control option, very usefull in a daylight photos, as portrait. I own Samyang 135 f2 for Nikon Mount and indeed it is incredible value lens. Jordan's twin brother Gordon is back to review the cinema-focused Canon EOS R5 C! 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. When all that was available were APS-C crop cameras a 85mm lens provided a near equivalent view angle to the 135mm on a full frame camera. Its actually kind of neat to watch! As in all arts the client's likes influence the result up to a point. SharpStar Askar ACL200 200-mm f/4 astrographic telephoto lens, Astrotrac 360 tracking platform first impression, FIELD TEST: CARL ZEISS APOCHROMATIC & SHARPEST (CZAS) BINOVIEWER, Deus_Ex_Mamiya and Michael Covington like this. Recently, the FAA announced that recreational drone pilots in the USA can request LAANC authorization to fly in controlled airspace at night. If I got this lens, would it make more sense long term to get the Canon mount with a E mount adaptor so I could fit it more easily to a dedicated astro camera later? (37% is difference, so you get little more, about 15.5Mpix) ". Thanks! Now we have to read this kind of ignorant misinformation on DPR articles. In this buying guide weve rounded up all the current interchangeable lens cameras costing around $2000 and recommended the best. See the full-size version on Astrobin. 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). I would never shell out hundreds of euros for a 135 prime let alone one with manual focus. Ive been using kit lenses for the past year, favoring the Nikkor 50mm 2.8. Defocus control enables the photographer to use an aperture of f/4 for the subject and to adjust the amount of background blur or the amount of foreground blur. In fact, a light-weight 200/2.8 seems more interesting to own (e.g., the Minolta 200/2.8). Or just get a zoom that is 24-200mm and you are covered. The article was based on the numerous lenses with which I have personal experience - that is naturally limited. 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. It really is about talent, creativity, and vision, not gear. At a local amateur soccer game using the 135 f/2 the action was almost always too close, or too far away. Love the shot of the blue anemone, which also displays nice bokeh, and blur! These lenses go about as close as you could get without a dedicated macro lens. The best 200mm lens is precisely the older 200mm F4 SMC Takumar, which comes with the M42 camera thread, and requires the M42-EOS adapter. I've seen several listed but here are more to consider. never mind.. confirmed from others that F19 is indeed the one that is excluded on this lens! That whole rig comes to about $1200, minus the mount. Exterem apertures are extrems (wether it's full open or closed) that should be reserved for extrem cases. http://www.idyll.com/laney2014 The following image was captured by Eric Cauble using the Samyang branded version of this lens. This lens has the Pentax K bayonet mount, and requires the K-EOS adapter for attachment to Canon EOS cameras. My first shot was a section of the constellation Sagittarius that included the Lagoon Nebula, and Trifid Nebula. . The 135mm F2 lens design is truly special, and in this article (and the video I made), I want to try to convince you as well. Meanwhile the ol' Canon 135/2 is still commanding a higher than average price on the used market (70%+ of MSRP isn't common), I guess the low weight and super easy resale have almost made it a high end commodity. Fast focus, Super sharp, Well built, Awesome for low light. 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. Target for bortle 9 astrophotography? We've combed through the options and selected our two favorite cameras in this class. A single, 90-second exposure using the Rokinon 135mm F/2.0 ED UMC at F/4. After weeks with a production Fujifilm X-T5, Chris and Jordan have some final thoughts. This is one of the sharpest lens i've ever owned. AF is accurate and very fast. If this was used to shoot video you would think that the first image was using a green screen. The first example is good to show that you can take photos of persons in front of an ugly background without completely ruining the shot (important for people shooting events), the last one is the only one I really like (because of the color) but you could shoot this with any lens with short MFD. Yes, because it is not f/2. Yuri toropin tests a bunch of lenses on Flickr which is a great source. I have used the canon 70-200 f2.8L ii and also the 100-400 f4.5/5.6 L with excellent results. This is actually worse than just plain obsession with blur. The Bokeh includes as well all that is in the focus, but mainly talked about how it comes visible in out of focus areas. Seems to me that with your gallery and website of images you should refrain from passing judgment on who is and isn't a photography master. A higher-res Blackmagic Studio Camera just dropped. The best of them, Nikon's 70-200E, is just as sharp all but the very best primes - ie, already too sharp for most portrait work. Plus it is harder to attach than other lens hoods. Bottom line, this is just an outstanding lens by any measure, one that makes clear why you'd want to pay the freight for expensive prime glass. #light_bulb I would disagree. 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. My 24-70L needs to be stopped down to f5.6 to begin to match the sharpness of my 135L at f2.0 (the test shots were of the portrait of Andrew Jackson on a $20 bill). I was blown away when I loaded the photos into my computer. if you compare images taken with this lens to those from a 105mm f1.8 ais or a cosina 125mm and you'll see what i mean. Is it possible to get good results on a Baader filter modifed Canon 450D and a good telephoto lens, or do I need to get a good APO? The Samyang 135mm f/2 lens is very wide in astrophotography terms. Unfortunately it is not manufactured in a multicoated version, and produces prominent internal reflection artifacts on very bright stars. I have a Nikon d 500. http://www.astrovale-f-2/index.html, Hi Lord_Vader, 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. 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. If the telescope mount is precisely aligned to the celestial north pole, unguided exposures of one to two minutes are possible. Check out some of the photos he took. Hi Trevor, (purchased for $899), reviewed December 9th, 2006 Orion nebula shot with Canon T3i and Rokinon 135mm @ F2.0 150 shots with dark bias and flats stacked and edited.