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I don’t recommend using either lens at f/22 if you’re concerned about the best sharpness. HOME PHOTO > > REVIEWS > > > > > > > ABOUT 2016 Samyang 12 f2 - Well worth the price. The corrected image was cropped to give the result below. There is some distortion which is easily correctable in post processing if required. I really wish that the focusing distance marks were more accurate and that the lens included a hyperfocal depth of field scale. It is a purely manual lens and, though made using plastic, is very well constructed with a metal lens mount. This means that users should probably ignore the distance marks if they’re worried about critical focus when shooting wide open and instead rely on their camera’s focusing aids like magnified live view or focus peaking. In practice though, it’s still a very compact lens, especially for a fast retrofocal design. The Rokinon FE14M-S 14mm F2.8 Ultra Wide Fixed Lens is intended for fullframe cameras, although is compatible for APS-C sensor cameras and should work with it. Rokinon has been producing this lens for a very long time, and even though the cost is very low for what it does, it is pretty much the go-to lens for Milky Way astrophotography. It offers something unique for mirrorless shooters and delivers photos that don’t disappoint. But at short focal distances, it’s possible to throw the background nicely out of focus, and bokeh quality is very nice wide open. Mirrorless cameras like the Olympus OM-D E-M1 and Fujifilm X-T1 are directly competing with their larger DSLR cousins but offer smaller, lighter overall systems. If you have no need for autofocus, the Rokinon 12mm is sharper and a better performer in low light, making it a very attractive tool in your photography kit. Inadvertently, I took a set of images of the Cygnus and Lyra region with the lens stopped down to f/8 − so a rather long combined exposure was required! I tested these lenses side-by-side while visiting Anza Borrego Desert State Park in California. Not to mention, the Rokinon 12mm f/2 is regarded as the absolute best wide angle prime for mirrorless astrophotography. With a super wide field of view of almost 99° and a fast f/2.0 aperture, it becomes the highest scoring dedicated mirrorless lens on my astrophoto lens rating system to date with a score of 2176. It rotates with affirmative clicks at each half-stop from f/2.0 to f/22. Rokinon has been a particularly popular manufacturer for photographers interested in astrophotography because their lenses often outperform many of the more expensive offerings from Canon or Nikon at a much lower price. But it must be said that at f/4 the great majority of image is excellent. Providing a 35mm-equivalent focal length of 18mm and a broad 98.9° angle of view, this lens is great for interior, landscape, and architectural images. My other lenses weren’t up to the task, so I added it to my kit for just a few detail images per wedding.Fast forward a few years, and I discovered a love for as… It’s built out of high quality plastics with a metallic lens mount. Below, see how the Nikon 14-24mm f/2.8, Zeiss Milvus 15mm f/2.8, Rokinon SP 14mm f/2.4, and Sigma Art 14mm f/1.8 compare in a field test shooting the Milky Way and night sky. In a brief moment of self-promotion, he also suggests using Lonely Speck’s SharpStar2 focusing filter to bring the stars perfectly into focus. I expect it might be as much as 2 EV stops of light drop at the very corners when wide-open. All of the past Rokinon lenses that I’ve used have all shown excellent performance with coma and the Rokinon 12mm f/2.0 NCS CS is no exception. I have no reservations recommending it to anyone looking for a nice sharp lens. Made by an astrophotographer, for the astrophotographers. The lenses from Rokinon eschew the typical modern norm of autofocus or image stabilization, instead focusing solely on the optical performance. It clicks firmly against the lens mount with no noticeable side to side play and only a slight amount of rotation play, no more than any of my other lenses. You can find the Rokinon 12mm f/2.0 NCS CS available online at B&H for a whole range of lens mounts, in either silver or black: About the author: Ian Norman is a photographer, engineer and entrepreneur based out of Los Angeles, CA. Right Click > Save Link As… for full resolution. The aperture range goes from f/2 to f/22. The Samyang/Rokinon 12mm f2.0 for x-mount was recently announced and has arrived in the stores. I presume this is because the Zeiss needs room for the autofocus mechanism. Neither is a particularly big lens but it’s curious how much bigger the Zeiss is, even though it’s a full stop slower. Each of the 25 frames would contain dark current electrons in their pixel wells as well as those produced by photons captured from the sky. At f/4, one could either crop away the corners so reducing the field of view or clean them up using a clone tool as described in the digest article ‘Wide-field Imaging: stretching the output from Deep Sky Stacker, repairing distorted stars and image enhancement’. The central part of the image is very sharp even at full aperture with the corners, as expected, somewhat behind. The optical design is very complex using ED and aspherical elements. Rokinon 12mm f/2.0 lens details. The focusing ring is separated from the aperture ring with a red anodized aluminum ring. Build Quality Enjoy Extended Returns thru Feb 01, 2021! Be sure to take good care of it, though, because heavily abused lenses can still be prone to optical degradation over time. I cannot fault it. Reviews on YouTube suggest that this is an excellent lens for taking wide field astrophotography images so I bought one to couple with my Sony A5000 (see article in digest) to take to New Zealand to image the southern Milky Way. NatureTTL's Matthew Saville compares three of the most popular ultra-wide astrophotography prime lenses out there: The Samyang/Rokinon 14mm F2.8, the Samyang/Rokinon 14mm F2.4, and the Sigma 14mm F1.8 Art. I’m enthralled that it performs so admirably for astrophotography, a subject that usually requires large heavy lenses. The use of long exposure noise reduction would have removed hot pixels but this would halve the time capturing photons from the sky and also adds noise into the image. He is deeply passionate about photography, and takes great joy in teaching others what he has learned over the years. 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It’s built out of high quality plastics with a metallic lens mount. Laowa 12mm f/2.8 2. Introduced in 2014, the Rokinon 12mm f/2.0 lens is special because it is designed specifically for mirrorless cameras. When using the lens with the smaller micro 4/3 sensor, it would be a near perfect lens. The corner stars were then very good. Whatever you photograph, there inevitably will come a time when you want a specialist lens for a specific subject. At this time, the Rokinon 12mm f/2.0 comes in either black or silver from about $299-399.00. The fact that it’s also sharper than the Zeiss wide open is just a bonus. By using the star repair brush described in the article mentioned above, it did not long to repair those suffering from chromatic aberration or streakiness. Can the new Rokinon 12mm f/2.0 NCS CS compete with the Zeiss Touit 12mm f/2.8? The Sony E-Mount Rokinon 12mm f/2.0 NCS CS Lens is a prime super wide angle lens designed specifically for Sony mirrorless cameras with APS-C sized image sensors. Usually, something’s gotta give when lens designs are pushed to such extremes. This is presumably for prevention of vignetting when using filters because of the lens’s wide field of view so it’s probably unavoidable by design (The Zeiss Touit 12mm has a very similar taper near the front element). For astrophotography use, I have stopped the lens down to f/4 which gives reasonable corner sharpness. As a result, hyperfocal shooting is a little more difficult and likely requires use of some sort of digital focus aid like focus peaking or magnified live-view. With its maximum f/2.0 aperture, it is noted as the fasted 12mm lens for APS-C (crop) sensor cameras. The aperture and focus rings are made of plastic, but the former has the right amount of resistance and well-defined half-stop clicks, whereas the latter is smooth but not too easy to accidentally move. Frankly, both lenses are very good performers and I enjoyed using both of them very much. It clicks firmly against the lens mount with no noticeable side to side play and only a slight amount of rotation play, no more than any of my other lenses. Samyang 14mm f/2.8 (same company as Rokinon, under a different name) 4. Rokinon 135mm f/2 ED UMC (also branded as Samyang outside the US - it's the same lens under a different name) is a manual focus telephoto lens, that was probably designed and manufactured for astrophotography purposely (the verdict spoilered in the first sentence of the review! The lens hood also snaps in place with a satisfying click and has no noticeable play once installed. As a very short focal length lens was being used the alignment does not have to be too precise and there is then the advantage that the image will move somewhat over the sensor during the taking of the sequence of frames which helps to remove what Tony Hallas calls ‘Colour Mottling’. XEEN CF; Xeen; Type of Lens. I’m not particularly a pixel peeper in most situations so in terms of sharpness I think they’re both great. Both of these lenses are very good but the Rokinon 12mm f/2.0 NCS CS has three distinct differences: it’s manual focus only, it’s faster by one full stop (f/2.0 vs f/2.8) and it’s about half the price (unless you count the recently announced deal on the Zeiss Touit 12mm f/2.8 and 32mm f/1.8 kit). Nikon 14-24mm f/2.8 5. Finally a little sharpening applied with the ‘Smart Sharpen’ filter. The focus distance scale markings on the lens are also inaccurate on my copy: a problem that I’ve found to be common with Rokinon lenses. There is no obvious star there, so I used a compass and protractor to set the alignment. In most cases the lens hood does an adequate job at blocking most stray light from outside the frame. It requires just over 1/4 turn to focus from minimum distance all the way to infinity which is a very comfortable range for both fast and precise focusing. But first, I’d like to thank Brent of BrentRentsLenses.com for loaning the Sigma lens used in this test, and B&H for loaning the Zeiss and Rokinon lenses. Unfortunately, the inaccurate distance marks on the focusing ring and no useful depth-of-field markings make manual focusing that much more difficult, particularly when using it wide open. Here’s a test shot wide open: One of the most important traits of the lens for night photography and astrophotography is its comatic aberration performance when used wide open. You can read the full article on … Some manufacturers like Fujifilm and Olympus have completely abandoned the DSLR design for mirrorless cameras and now every major camera manufacturer has offered at least one mirrorless camera design. Here is the order in which they will appear below: 1. The compact and lightweight Rokinon 12mm f/2.0 NCS CS prime wide-angle lens for Canon M series APS-C cameras provides a 35mm-equivalent focal length of 19.2mm with a broad 95.7° angle of view. The fixed 12mm lens has a minimum focusing distance of 7.9 inches. Comparing the Sigma 14mm f/1.8 lens with the Rokinon 14mm f/2.4 and f/2.8 lenses, photographer Matthew Saville says that each has its place the astrophotography world. I’m going to include full images, center crops, and corner crops for all five lenses below. It is rarely possible to remove light pollution from an image of the Milky Way so we really need to image the Milky Way from a dark site with little or no light pollution and I was able to visit the Aoraki Mackenzie International Dark Sky Reserve in South Island, New Zealand, which is one of four ‘gold tier’ dark sky reserves in the world, to take the image that is described below. The all new Rokinon 12mm f/2.0 NCS CS is unique because it’s a lens design dedicated to mirrorless cameras. The lens has a rear focusing design so the front element and lens barrel do not move at all when focusing which makes the lens particularly nice for filter use. I had a lot of skepticism that Rokinon would be able to keep the performance acceptable when shooting at f/2.0. It feels rather dense for its size, presumably from the 12 element design. Despite being made for manual focus only, it is one of the best choices if you own a mirrorless camera with an APS-C sensor. It’s very sharp at almost all f/numbers, even sharper than the much more expensive Zeiss Touit 12mm f/2.8. The two lenses are very similar looking from the front but the Zeiss is a bit larger than the Rokinon. The Samyang/Rokinon 12mm F2.0 is one of the first ultra-wide-angle lenses designed for APS-C systems with an aperture of F2.0. It’s just the right size and weight for handheld use of small mirrorless cameras. Vignetting or light falloff at the corners is apparent at almost all apertures and can be quite strong wide open at f/2.0. It’s also notable as the fastest 12mm lens ever made for APS-C sensor cameras. The front element is quit… As for lenses, he highly recommends the Rokinon 12mm f/2 manual focus lens because of its fast aperture and wide angle. Rokinon has upheld a reputation for offering some of the best bang for the buck lenses for any camera system and by now offering such a competitive mirrorless lens design, they’re helping fuel the push towards mirrorless interchangeable lens cameras. Both lenses peak in sharpness at about f/5.6 and remain very good until about f/11 after which the sharpness drops due to diffraction. The aperture ring feels very similar to other Rokinon lenses. It is a great value, makes great images, and has stood up to a decent amount of abuse. This lens works great for astrophotography with that big aperture. Hi Roman, I believe Rokinon 12mm F2.0 NCS CS Ultra Wide Angle Lens would be the best for your Sony A6000 camera as this lens is tailored for APS-C crop sensor cameras (like the A6000). AF - Auto Focus MF - Digital Photo SERIES II Photo/Video Cine Cine DS Cine DSX SP - Special Performance View all lenses. The camera was mounted on a Nano Tracker (as described in the article ‘Three Tracking Mounts’) which was approximately aligned on the South Celestial Pole. Adjusting the aperture can affect the overall quality and sharpness of the stars in your astrophotography images, especially near the edges of the frame. Luckily, that doesn’t seem to be the case with the Rokinon 12mm: its performance wide open is exceptional, making it a perfect lens for astrophotography. Given good tracking, I now believe that 60 second exposures would be about optimum provided 20 or more frames will be taken to reduce the dark current noise. It’s almost the same size as Fujifilm’s XF 14mm f/2.8 R and actually smaller and lighter than Zeiss Touit 12mm f/2.8 despite being a full stop faster than both. It feels rather dense for its size, presumably from the 12 element design. While all my experiences with Rokinon lenses in the past (14mm f/2.8 and 24mm f/1.4) have shown spectacular performance wide open, the new 12mm f/2.0 is a rather extreme design. Pros: - large aperture … great fast wide angle lens for low light and astrophotography. Many wide angle lenses give stars angel-like wings in the corners. ).I use this lens since 2018, and it's my must-have piece of astronomy equipment for my widefield astrophotography … Landscape photography using the samyang/rokinon 12mm & sony a6000. This is the full view of the test shot: Even wide open at f/2.0, the Rokinon 12mm has excellent sharpness. The Rokinon 12mm f/2.0 starts very sharp in the center wide-open, with good performance in the corners. Here’s an example shot with some heavy light falloff in the corners from shooting wide-open: In just one month, this lens has been with me to the deserts of California and through several historical cities in Europe. All other standard return policy conditions apply.. Close The Rokinon 12mm is a crop sensor lens made for APS-C sensor cameras giving it an effective focal range of what would be 18mm on a full frame sensor. Samyang is the original manufacturer and the lens is also rebranded and sold under several names, including Rokinon. Here are the results: If you have used the Rokinon 8mm f/2.8 Fisheye, this lens will feel remarkably similar and that’s a very good thing. A few months ago I showed readers how to pick a lens for milky way photography. The lens hood also snaps in place with a … This is one of ~60 illustrated articles to be found in the author’s Astronomy Digest. Deep Sky Stacker can be set to remove hot pixels and none were visible in the final image. The lens has a very narrow diameter for most of the lens barrel and then it tapers toward the front element to a rather large filter thread size of 67mm. It’s not without a few operational quirks, though. Alright, this modern Korean lens is not vintage at all, but it is a manual focus lens, so it's somewhat in … B&H gave me the opportunity to review this lens, and once I received it, I didn’t put it down for over a month, shooting with it in Germany, Italy, and California. The local contrast was enhanced using the ‘Unsharp Mask’ filter in Adobe Photoshop with a very wide radius and small amount. I have no hesitation to use this lens wide open for astrophotography. Creditably, this lens does not but corner stars become linear streaks aligned away from the image centre and also show some chromatic aberration. The crop below shows a 100% view of the top right corner. Its small size and small price tag make it that much more enjoyable. The 12mm rokinon is my favorite lens for landscape or nightscape shots with my sony a6000. It’s manual focus only, which already makes for a completely different shooting experience that adds an extra level of difficulty to using the lens. Samyang/Rokinon 12mm F2.0 Sony E/Fuji-X/Canon EF-M/ Bottom Line. I ordered one to take a look, nice and compact and it was certainly priced right. Rokinon RK12M-M 12mm F2.0 NCS CS Ultra Wide Angle Fixed Lens for Canon EF-M Mount Compact System Cameras (Black) Check on Amazon Fujifilm X-T20 Mirrorless Digital Camera, Black with Fujinon XF18-55mm F2.8-4 R LM Optical Image Stabiliser Lens Kit [This would not help reduce the effects of dust mites on the sensor that flat frames taken at the same time would remove so the sensor should be kept clean!]. Here are my thoughts on this unique lens. This review originally appeared here. There is a fair degree of vignetting (darkening of the corner regions) which remains even when the lens is stopped down. The Rokinon 14mm F/2.8 was the first lens I had ever used like this, and these aspects do not hinder the astrophotography experience whatsoever. In general, the image was very pleasing but the image quality in the 4 corners was not even. It’s an easy situation to avoid as long as bright light sources are away from the edges for the frame. The curved 6-bladed aperture gives rounded hexagon shaped bokeh when slightly stopped down. Rokinon 12mm f/2.0 NCS CS at f/2.0 – Anza Borrego Desert State Park, California. Optically, the Rokinon 12mm f/2.0 NCS CS is very good. This is why I believe taking a larger number of short exposures when using a DSLR or Mirrorless camera is better than taking a few longer exposures. This lens can, of course, also be used for landscape or skyscape images. With longer exposures the dark current noise will be greater (so reducing somewhat the dynamic range of the image) and, with fewer frames to stack, this will not average out to the same extent increasing the noise in the final image. AstroBin is an image hosting website specifically targeted to astrophotographers: it's the first and the last place where you need to upload your astrophotography images. Here are some of the photos from the last 30 days with the Rokinon 12mm f/2.0 NCS CS. Contrast drops a bit in harsh light and the flare spots can be a bit distracting, but performance is acceptable in high flare conditions. This is a real world review of the Samyang (Rokinon) 12mm f2 lens on the Sony a6000. You have until Feb 01, 2021 to return or exchange items bought after Oct 19, 2020. I, along with most other photographers, am probably most interested in the performance of the lens when used wide open at f/2.0 because it’s the only 12mm for APS-C sensors to offer such a fast aperture. If by astrophotography, you mean starscapes, like a nice pic of delicate arch with the stars behind it, then yeah, it’s a pretty good deal. The dark current noise will average out when a reasonable number of frames are taken and provide a smooth pedestal on which the stacked image is placed, so will not add significant noise into the image. It has fulfilled almost all of my photographic needs, from street photography to architecture to landscapes to astrophotography. It’s made specifically for compact system cameras with a short flange focal distance and no reflex mirror like the Fujifilm X-Series, Sony Apha/Nex Series and the Olympus OM-D line. It is a great value, makes great images, and has stood up to a decent amount of abuse. A crop of the centre region showed Jupiter well with the diffraction spikes caused by the 6 aperture blades. It’s sharper at f/2.0 than the Zeiss at f/2.8, a real accomplishment. Personally, I don’t mind a little light falloff, it’s pretty typical of fast lenses and I like it for the dramatic effect it creates. The focusing ring is plastic and has a broad grip and it rotates very smoothly and silently but with enough damping that it will stay where you want it. The real attraction for me is the extra stop that the Rokinon offers. In the conclusion of the guide, there was one particular type of lens that stands out above all the rest: the fast wide angle. Rokinon 14mm f/2.4 3. The Sigma versus Rokinon (Samyang is another brand name for the same Rokinon lenses in the USA) debate has been going for a few years now … Ian Norman from Petapixel is only one of the many astrophotographers who have raved about this lens' prowess when shooting stars and planets. The Rokinon 12mm f/2.0 is a manual focus design so it inherits all the quirks of use that come with using manual focus. At just 258g, this thing is pretty lightweight for a superwide f/2.0 lens, but it feels solid and has a metal mount, so it looks robust enough. If you have used the Rokinon 8mm f/2.8 Fisheye, this lens will feel remarkably similar and that’s a very good thing. This is very exciting for photographers with mirrorless systems that want to try their hand at astrophotography and want a great lens for the job. The 12mm rokinon is my favorite lens for landscape or nightscape shots with my sony a6000. This again can be corrected in post processing if desired. The Samyang/Rokinon 12mm f/2.0 lens for astrophotography This is one of ~60 illustrated articles to be found in the author’s Astronomy Digest . You can find the same lenses under other brand names too: the original manufacturer is Samyang and their lenses are available under the names Rokinon, Bower, Walimex and a few others. [Never use the Unsharp Mask filter to sharpen images, use ‘Smart Sharpen’ instead.]. You can also support him by purchasing his online Skillshare class on photographing the Milky Way. The vignetting which would be removed by using flat frames can be largely corrected in Photoshop (at f/4 a value of +55 in the ‘Distort > Lens Correction’ filter). Levels of coma are very very low at f/2.0 and practically non-existent by f/2.8. Right Click > Save Link As… for Full Resolution. It feels very well balanced on small camera bodies like the Canon EOS M. At a glance, it looks and feels like a very nice lens, more than worthy of its price tag. For astrophotographers, its excellent coma performance, fast aperture and an ultra-wide field of view make it a prime tool for shooting the stars. It’s a very short focal length with a large relative aperture in a very compact package. The Rokinon 12mm f/2.0 with and without the included lens hood The lens is rather small for an ultra-wide-angle, especially so when considering the f/2.0 maximum aperture. Stopping down to f/5.6 or f/6 gives excellent corner sharpness too. I’m a wide angle junkie so most of the time I just left this lens on my camera the entire time. The Rokinon 14mm F/2.8 can certainly create beautiful images at this f-stop, but I rarely use F/2.8 for my wide-angle astrophotography images. The obvious competitor to this lens is the Zeiss Touit 12mm f/2.8. Rokinon lenses are generally a bit more prone to long-term build quality issues compared to the name brands. Simply put, infinity is not at the infinity mark; on my copy it’s actually slightly past it. On one side, chromatic aberration extended the star images with a blue colour as seen in the crop below and elsewhere the stars were somewhat streaky. The announcement of the 12mm f/2.0 NCS CS lens is also significant in that Rokinon is finally expanding its support for mirrorless cameras. In length and size it’s roughly the size of the Fujifilm 14mm f/2.8, and notably smaller than the other 12mm lens available for mirrorless cameras: the Zeiss 12mm f/2.8. Rokinon RK12M-M 12mm F2.0 NCS CS Ultra Wide Angle Fixed Lens for Canon EF-M Mount Compact System Cameras (Black) by Rokinon. Unfortunately, the lens does not have depth of field marks which is disappointing for a fast wide angle prime. It’s unique in that no other manufacturer offers a lens with as wide a field of view and as large an aperture for APS-C mirrorless cameras. It is well-suited for architectural, interior, and landscape images, plus its fast f/2.0 maximum aperture benefits working in low-light conditions. It’s large enough that the camera will rest on the edge of the lens barrel when you set it on a table. Luckily, that doesn’t seem to be the case with the Rokinon 12mm: its performance wide open is exceptional, making it a perfect lens for astrophotography. It is constructed quite well, and despite the abundance of plastic in the barrel parts, the lens overall feels professional and smooth to operate. These are my thoughts. No darks or flats were taken – it is very difficult obtaining an accurate set of dark frames when the camera’s sensor is changing temperature during the set of exposures. Sharpness Test: Rokinon 12mm f/2.0 NCS CS versus Zeiss Touit 12mm f/2.8 They are both stiffer than the typical Fuji lenses’ ones and that’s a good thing. Final Thoughts on the Rokinon 12mm f/2. This implies some decentering of the elements within the lens. A Full Frame, Prime Lens The Rokinon 135mm F2.0 is considered to be a full-frame lens because it can accommodate a full-frame image sensor with its 18.8-degree angle of view . The Rokinon 12mm f/2 feels like a sturdy, nearly indestructible little lens that is ready for a lot of abuse. Pros: - large aperture … great fast wide angle lens for low light and astrophotography. However, inspecting individual frames I could not spot any either so the sensor was performing well. It comes with a lens hood. Here’s an example of the flare spots at f/5.6: As such a short focal length lens, it’s rare that you would think about the quality of the out of focus highlights since the depth of field tends to be rather large, even at f/2.0. At low f/ratios many fast lenses often distort pinpoint light sources at the edges of the frame, creating stretched looking shapes called coma. You can follow him on his website, Twitter, Google+, Instagram, Vimeo and Flickr. Fujifilm X-T1, Rokinon 12mm f2 lens, 30seconds, f2, ISO 2000 Michael Stillwell There is software, other than Photoshop and Lightroom, that are custom-made for astrophotography. Using an intervalometer, I took a set of 30 second exposure frames at 800 ISO which were stacked in Deep Sky Stacker. Irix 15mm f/2.4 Since the Irix and Rokinon lenses are f/2.4 rather than f/2.8, I’m including photos at both apertures rather than just wide open or just f/2.8… how to pick a lens for milky way photography. The same was true for my review of the Rokinon 14mm f/2.8. There’s a tiny bit of purple fringed coma at the extreme corners, but overall it’s very mild by most standards. Rokinon Lenses. Right click the sample images below and choose “Save Link As… or Save Target As…” to save and view the full size images. Overall, I really love this lens. It’s probably not a huge issue for photographers already familiar with using manual lenses, but it’s something that I feel the manufacturer could improve. I’ve experienced this a couple of times.In a past life as a wedding photographer, I owned a macro lens that I bought exclusively for photographing details such as rings.

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