Im already tired of these misunderstandings with crop factors, in each review there are people who are trying to invent a bicycle or do not understand the essence of the issue :). Sale price $980.00 $980.00 Regular price Save 17% "Close (esc)" Quick shop. Because I'm adapting a medium format film lens, I get complete coverage on the Fuji GFX when using a standard adapter. Find many great new & used options and get the best deals for [N MINT] Mamiya Sekor C Macro 80mm f/4 MF Lens for M645 Super Pro TL From JAPAN at the best online prices at eBay! This will differ depending on what options are available for the item. Optically, while not nearly as good as a Fujifilm GFX lens, its over $1000 less expensive. Those partners may have their own information theyve collected about you. Mamiya-Sekor C interchangeable lenses for Mamiya M645 Super/ M645 instructions. from f / 2.8 to f / 22. It is recommended to use a filter for complete weather resistance when desired. I don't tend to use it much if at all. On completion of the exposure, the diaphragm re-opens to its maximum value. Last time we looked at a lens. The whole package plus a camera. Its also home to a whole host of one-of-a-kind items made with love and extraordinary care. Copyright 2012-2023 Evgenii Artemov. When auto-focus lenses grew in popularity, parts became really cheap. It truly does bring in the scene in all it's colorful glory as you saw it in your brain. Helps keep lenses clean by reducing the possibility of dust and dirt adhering to the lens and by facilitating cleaning should the need arise. Location: The Netherlands. If you are a "vintage lens till I die" fan - it might be best if you stayed clear. To enable personalized advertising (like interest-based ads), we may share your data with our marketing and advertising partners using cookies and other technologies. The largest opening or stop at which a lens can be used is referred to as the speed of the lens. I bought this lens for 89 on Ebay. Especially wide open. Sellers looking to grow their business and reach more interested buyers can use Etsys advertising platform to promote their items. However, small shifts should work well. The lens has two rings, one is for pre-setting, while the other is for normal diaphragm adjustment. Sale price . Recommended slowest shutter speed when shooting static subjects handheld: Copyright 2012-2023 Evgenii Artemov. All rights reserved. The lenses were originally intended for a medium format camera, producing a picture size of 6 by 4.5 cm (hence the name 645). I dont get any excessive vignetting, which might occur if I were adapting a full-frame Canon or Nikon lens. Plus Bulb. For wide angle lenses, the length of the hood cannot be as long as those for telephoto lenses, as a longer hood would enter the wider field of view of the lens. Mamiya Sekor C 80 mm f/2.8 / AF 80 mm f/2.8 Lenses. Can you guess why? All ugly comments have been permanently deleted. Entdecke Sehr gut!! Discover a selection of 3,000 vacation rentals in Madrid, ES that are perfect for your trip. In low-light situations, having a wider maximum aperture means that you can shoot at a faster shutter speed or work at a lower ISO, or both. 9. Download RAW c source photos Nikon D700 can by this link. Mamiya Super-Sekor 180mm f4.5 Film Ilford HP5+ EI3200 Development Kodak HC-110; Dilution A; 9:30min Scanner Epson V600 Cooking In focus areas are very sharp. The minimum distance from the focal plane (film or sensor) to the subject where the lens is still able to focus. The crop factor is convenient for recalculating EGF. Do you have any examples of your work using the tilt function? $609.00, $870.00 And don't forget that the Mamiya C System cameras allow you to focus really close. MAMIYA SEKOR C 80mm F2.8 For MAMIYA 645 MF Lens From JAPAN 22103 M-0176. I prefer a slight lean towards the warm side instead of the cold one but this lens proves that cold lean can work as well. Mamiya 645 Sekor C 210mm F/4 The condition of the lens glass is almost perfect . The camera automatically closes the diaphragm down during the shutter operation. As with many lenses from the past, the Mamiya 35mm f3.5 is solid and made mostly of metal. MAMIYA -SEKOR SF C INSTRUCTION MANUAL Pdf Download You are already on the page dedicated to this lens. Slow 6x4.5 medium-format super telephoto prime lens Professional model (Top class), Distant subjects Distant landscapes with perspective compression effect Wild nature. The 500mm f/5.6 uses ultra-low dispersion glass to give superior resolution in a long telephoto design. How would this Mamiya 35mm lens with shift adapter perform on a Sony A7IV full frame camera? Sorry, no additional information is available. Thanks for the review, I liked the lens built to last ? Try contacting them via Messages to find out! It was also one of the reasons why I didn't abandon the C220 camera. Look out for the TLT ROKR adapter review in a couple of days. Do I use these filters? Small depth of field definitely separates the subject but it doesn't pop it out of the frame. Wide open there is slight corner distortion but it's super small. (LogOut/ Safeguard lens elements - both front and rear - whenever the lens is not in use. Whilst not the easiest to find - this lens is still quite cheap. LPL mount; back focus adjustable with standard shims. For example, a magnification ratio of 1:1 means that the image of the subject formed on the film or sensor will be the same size as the subject in real life. Take full advantage of our site features by enabling JavaScript. The ring has marks for F / 2.8, 4, 5.6, 8, 11, 22 and 'lugs'. An accurate diagnosis was critical, as pre-existing issues would remain problematic even after the Cine-Modprocess. From handmade pieces to vintage treasures ready to be loved again, Etsy is the global marketplace for unique and creative goods. Or artistically using any resulting flare, when possible. Would you suggest getting a set of Sekkor-C or Sekkor-C N lenses? For wide angle lenses, the length of the hood cannot be as long as those for telephoto lenses, as a longer hood would enter the wider field of view of the lens. Mamiya M645 + Sekor C 80mm f/2.8 - Grainlab. The sharpness is across the whole frame. JavaScript seems to be disabled in your browser. Signup for the Newsletter to get the best of my posts, old and new, plus additional content not available anywhere else. APS-C is an image sensor format approximately equivalent in size to the film negatives of 25.1x16.7mm with an aspect ratio of 3:2. Then, the only solution is to polish the glass and hope it hasnt etched itself too far into the actual glass itself, Matthew notes. First test shots Mamiya-Sekor C 300mm f/5.6 MINT- BOXED MAMIYA SEKOR FISHEYE ULD C 24mm f4 LENS FOR M645, VERY CLEAN!! But is it more interesting? Lenses and promotions on them look at Moyo.ua. Mamiya 645 Pro + Sekor Zoom C 55-110mm F4.5 W Lens. Original Price $790.00 remembering account, browser, and regional preferences, remembering privacy and security settings, personalized search, content, and recommendations, helping sellers understand their audience, showing relevant, targeted ads on and off Etsy. Together with the camera it's definitely quite a hefty package. 9022). The camera automatically closes the diaphragm down during the shutter operation. Ergonomics are better on the 80mm. Modern camera lens mounts are of the bayonet type, because the bayonet mechanism precisely aligns mechanical and electrical features between lens and body, unlike screw-threaded mounts. Cosina Voigtlander special limited editions, Japanese rangefinder revival of 1990s-2000s, 8. (20% off), Sale Price $553.00 Image Coverage. But when you consider that it's a long-ish telephoto lensone can forgive the ergonomics. I wasn't too impressed with the controls on the 80mm lens. https://learncamerarepair.com/product.php?product=639\u0026category=2\u0026secondary=22Here are some link's to different repair tool's and lubricating stuff.\"ORBIT\" HEPA Blower:https://photosol.com/products/orbit-hepa-blower/You can buy it here:https://www.adorama.com/cpkhjdb.html\"Liqui-Moly\" LM 50 Litho HT:https://www.amazon.co.uk/Liqui-Moly-Lm-Litho-400g/dp/B004FPSTAE\"Liqui-Moly\" LM47 MoS2 grease with Molybdenum disulfide:https://products.liqui-moly.com/lm-47-long-life-grease-mos2-1.htmlor on Amazon:https://www.amazon.co.uk/Liqui-Moly-3510-Langzeitfett-MoS2/dp/B00295CR0U?th=1Contact glue:https://www.loctiteproducts.com/en/products/fix/contact-adhesives.htmlSpyderLENSCAL:https://www.datacolor.com/photography-design/product-overview/spyderlenscal/Japan Hobby Tool rubber cone:https://www.amazon.com/Japan-Vacuum-Camera-Opener-Repair/dp/B0013HFYKK/ref=pd_sbs_469_1?_encoding=UTF8\u0026pd_rd_i=B0013HFYKK\u0026pd_rd_r=RKSF5A4YKT9GV3E1382C\u0026pd_rd_w=5H58m\u0026pd_rd_wg=DBny2\u0026psc=1\u0026refRID=RKSF5A4YKT9GV3E1382C 18 different size rubber repair tool's:https://www.amazon.com/Sizes-Lens-Filter-Wrench-Rubber/dp/B00988D1BK/ref=pd_sbs_469_2?_encoding=UTF8\u0026pd_rd_i=B00988D1BK\u0026pd_rd_r=RKSF5A4YKT9GV3E1382C\u0026pd_rd_w=5H58m\u0026pd_rd_wg=DBny2\u0026psc=1\u0026refRID=RKSF5A4YKT9GV3E1382C Divider Caliper Wing Compass:https://www.amazon.co.uk/Divider-Caliper-Compass-Marking-Machinist/dp/B015CN9A8M You can also buy this set.Lens Repair Set with pointed, flat, half flat tips:https://www.amazon.com/dp/B00QRPWCN0/ref=psdc_3347581_t1_B00J5F6O92JIS cross head screw driver's:https://www.amazon.com/Moody-Tools-58-0219-Chromium-Screwdriver/dp/B004PGO1T6/ref=pd_sim_421_6?_encoding=UTF8\u0026pd_rd_i=B004PGO1T6\u0026pd_rd_r=775KBDR03D8PMMEZWKFJ\u0026pd_rd_w=ti7yC\u0026pd_rd_wg=s2a40\u0026psc=1\u0026refRID=775KBDR03D8PMMEZWKFJOr this set, that is the set I use:https://eustore.ifixit.com/en/Tools/Drivers-Wrenches/JIS-Driver-Set.html?utm_source=iFixit\u0026utm_campaign=Referral\u0026utm_medium=modal\u0026utm_content=145115Lens cleaning wipes (PEC-PAD):https://www.amazon.com/dp/B0161VIZZ8/ref=sspa_dk_detail_3?psc=1\u0026pd_rd_i=B0161VIZZ8\u0026pd_rd_wg=ZTxxY\u0026pd_rd_r=RNY8S6Q1V5K18K3F61VZ\u0026pd_rd_w=2c1OyThin Cotton Buds x 200 you can buy them here:https://www.muji.eu/pages/online.asp?lan=uk\u0026ShopSel=y\u0026scrn=1920\u0026wndw=1920\u0026sec=17\u0026sub=70\u0026pid=2469DSLRKIT Pro Lens Vise Tool Repair Filter Ring Ajustment Steel 27mm to 130mm:https://www.amazon.com/DSLRKIT-Repair-Filter-Ajustment-Steel/dp/B00SYBYTZOJapan Hobby Tool Herical Grease Made in Japan:https://www.amazon.com/Japan-Hobby-Herical-grease-JHT9110/dp/B0014ZU03MLoctite 222 50ml Threadlockerhttps://www.amazon.com/Henkel-Loctite-Threadlocker-Super-Screw/dp/B013SDAWQCAnd you will also need some Isopropylalcohol 99%And sometimes Lighter Fluid that is very good to clean lens element's.NOTE: Do NOT! Im using the FotodioX Pro TLT ROKR, which is a $300 adapter that allows the tilt-shift capability with the Mamiya. Fill in your details below or click an icon to log in: You are commenting using your WordPress.com account. Mamiya RB67 strange shutter problem - Medium Format - Photo.net I also have to note that it's very difficult to put the lens into the caseand then later to take it out. A camera's angle of view depends not only on the lens, but also on the sensor. Conversely, the longer the focal length (eg 55mm), the smaller the angle of view. Posted April 28, 2012. It can be matched with the 2X Tele-Extender for use as a 1000mm f/11 lens. Mamiya medium format cameras booklet (PUB. MAMIYA-SEKOR testing C Sekor Mamiya C 80mm PORTRA F2.8 Combination of focal length and speed meets professional demands. Mamiya 645 Mount SLR Lens to Sony Alpha A-Mount Camera Bodies - Fotodiox, Inc. USA. Conversely, the longer the focal length (eg 55mm), the smaller the angle of view. Peace, labor culture. This 45mm lens from Mamiya comes in two iterations - there's older version and newer version with the "N" in name. Price: POA (Price On Application) 32mm Mamiya 645 T2.3; 39mm Mamiya 645 . Also, there is a greenish smudge near the top-left corner. Mamiya-Sekor C 90mm f3.8 Vintage Medium Format Camera Lens CNCKnickNacks (49) $150.00 FREE shipping AUTO mamiya sekor 50mm f2 m42 mount manual focus Prime Lens. And this lens delivers. A lens mount is an interface mechanical and often also electrical between a camera body and a lens. The rendering would've also become a tad more modern. The lens features spring mechanism in the diaphragm, triggered by the shutter release, which stops down the diaphragm to the pre-set value. Some lenses are designed with curved diaphragm blades, so the roundness of the aperture comes not from the number of blades, but from their shape. With the 180mm - I loved it straight away. Does shopping on Etsy help support small businesses? Flare occurs when stray light strikes the front element of a lens and then bounces around within the lens. The dance performanceLegend(photos/stills from which were used throughout the article)featuresMonyett Crump, a Chicago native, dancer and community leader who is the focus of one of the episodes. The name originates with the total width of the 135 film which was the primary medium of the format prior to the invention of the full frame digital SLR. Applied to the outer surface of the front and/or rear lens elements over multi-coatings. Framing could've been improved here but it was cold and our son didn't want to be part of this photo shoot. Examples: Shift, No Shift, and Digital Shift, Examples: Shift, No Shift, and Digital Shift atmtx photo blog, FotodioX Pro TLT ROKR Review atmtx photo blog, Behind the Scenes at High ISO with the Sony A7S III, Photo Essay: 2017 Eeyore's Birthday Party, The Canon G7X Mark II Takes on 6th Street at Night, The Canon 24-105mm f4L on the Fujifilm GFX 50R. The lens has been assembled for centuries and will last a very long time (classic of the 80s). Fuji Gfx 50r with Mamiya Sekor 80mm f1.9: Medium Format Talk Forum For example, a magnification ratio of 1:1 means that the image of the subject formed on the film or sensor will be the same size as the subject in real life. Matthew then talks about how Cine-Modis surging in popularity as cinematographers begin to realize that a vintage still lens can still produce a beautiful image. Not much else to say other than - top scores! It has been an interesting journey into this lens.How to repair Mamiya-Sekor C f=127mm 1:3.8 for Mamiya RBHere are some link's to different repair tool's and lubricating stuff:\"ORBIT\" HEPA Blower:https://photosol.com/products/orbit-hepa-blower/You can buy it here:https://www.adorama.com/cpkhjdb.html\"Liqui-Moly\" LM 50 Litho HT:https://www.amazon.co.uk/Liqui-Moly-Lm-Litho-400g/dp/B004FPSTAE\"Liqui-Moly\" LM47 MoS2 grease with Molybdenum disulfide:https://products.liqui-moly.com/lm-47-long-life-grease-mos2-1.htmlor on Amazon:https://www.amazon.co.uk/Liqui-Moly-3510-Langzeitfett-MoS2/dp/B00295CR0U?th=1Contact glue:https://www.loctiteproducts.com/en/products/fix/contact-adhesives.htmlSpyderLENSCAL:https://www.datacolor.com/photography-design/product-overview/spyderlenscal/Japan Hobby Tool rubber cone:https://www.amazon.com/Japan-Vacuum-Camera-Opener-Repair/dp/B0013HFYKK/ref=pd_sbs_469_1?_encoding=UTF8\u0026pd_rd_i=B0013HFYKK\u0026pd_rd_r=RKSF5A4YKT9GV3E1382C\u0026pd_rd_w=5H58m\u0026pd_rd_wg=DBny2\u0026psc=1\u0026refRID=RKSF5A4YKT9GV3E1382C 18 different size rubber repair tool's:https://www.amazon.com/Sizes-Lens-Filter-Wrench-Rubber/dp/B00988D1BK/ref=pd_sbs_469_2?_encoding=UTF8\u0026pd_rd_i=B00988D1BK\u0026pd_rd_r=RKSF5A4YKT9GV3E1382C\u0026pd_rd_w=5H58m\u0026pd_rd_wg=DBny2\u0026psc=1\u0026refRID=RKSF5A4YKT9GV3E1382C Divider Caliper Wing Compass:https://www.amazon.co.uk/Divider-Caliper-Compass-Marking-Machinist/dp/B015CN9A8M You can also buy this set.Lens Repair Set with pointed, flat, half flat tips:https://www.amazon.com/dp/B00QRPWCN0/ref=psdc_3347581_t1_B00J5F6O92JIS cross head screw driver's:https://www.amazon.com/Moody-Tools-58-0219-Chromium-Screwdriver/dp/B004PGO1T6/ref=pd_sim_421_6?_encoding=UTF8\u0026pd_rd_i=B004PGO1T6\u0026pd_rd_r=775KBDR03D8PMMEZWKFJ\u0026pd_rd_w=ti7yC\u0026pd_rd_wg=s2a40\u0026psc=1\u0026refRID=775KBDR03D8PMMEZWKFJOr this set, that is the set I use:https://eustore.ifixit.com/en/Tools/Drivers-Wrenches/JIS-Driver-Set.html?utm_source=iFixit\u0026utm_campaign=Referral\u0026utm_medium=modal\u0026utm_content=145115Lens cleaning wipes (PEC-PAD):https://www.amazon.com/dp/B0161VIZZ8/ref=sspa_dk_detail_3?psc=1\u0026pd_rd_i=B0161VIZZ8\u0026pd_rd_wg=ZTxxY\u0026pd_rd_r=RNY8S6Q1V5K18K3F61VZ\u0026pd_rd_w=2c1OyThin Cotton Buds x 200 you can buy them here:https://www.muji.eu/pages/online.asp?lan=uk\u0026ShopSel=y\u0026scrn=1920\u0026wndw=1920\u0026sec=17\u0026sub=70\u0026pid=2469DSLRKIT Pro Lens Vise Tool Repair Filter Ring Ajustment Steel 27mm to 130mm:https://www.amazon.com/DSLRKIT-Repair-Filter-Ajustment-Steel/dp/B00SYBYTZOJapan Hobby Tool Herical Grease Made in Japan:https://www.amazon.com/Japan-Hobby-Herical-grease-JHT9110/dp/B0014ZU03MLoctite 222 50ml Threadlockerhttps://www.amazon.com/Henkel-Loctite-Threadlocker-Super-Screw/dp/B013SDAWQCAnd you will also need some Isopropylalcohol 99%And sometimes Lighter Fluid that is very good to clean lens element's.NOTE: Do NOT! It renders natural perspective with increased depth of field and angular coverage and provides the least amount of distortion of the wide angle range for subjects at the edges of the frame. However, in some ways, the Mamiya lens can be more pleasing. Mamiya Sekor 50mm f2 M42 Lens Review - Lens Legend Stare into the soul of this lens ( lenses? Previously I reviewed the 80mm f2.8 lens. This is a series of videos where I will show how to fully disassemble and assemble Mamiya-Sekor C f=127mm 1:3.8 for Mamiya RB.And in the 1. video I will show how to Disassemble the lens housing (or lens body).NOTE: there are maybe some things that I could or should have done in a different way, but I hope someone can get inspiration to work with those Mamiya RB lenses and the shutter mechanism tooYou can download the Factory service manual and parts catalog for Mamiya RB-67 lenses and shutters. Photographic lenses are nearly always built up of multiple such elements. Nevertheless, the Mamiya-Sskor 80 / 2.8 is a good lens with moderate sharpness, a mediocre contrast. This lens is contrasty. The larger the maximum aperture is, the faster the lens is considered to be. The lens with all attachments makes for quite a comically sized package. $1,345.50, $1,495.00 This also carries into the flare resistance. The first ring must be set at the desired aperture, the second ring then should be fully opened for focusing, and turned back for stop down to the pre-set value. This lens seems to be overlooked by most photographers. And even other medium format cameras. Turning off the personalized advertising setting wont stop you from seeing Etsy ads or impact Etsy's own personalization technologies, but it may make the ads you see less relevant or more repetitive. A lens mount may be a screw-threaded type, a bayonet-type, or a breech-lock type. There's maybe a small flare blob at the bottom right of the image but it's not even worth talking about. They also usually maintain the closest focusing distance of lenses, thus increasing the magnification significantly. This website does not use the angles of view provided by lens manufacturers, but calculates them automatically by the following formula: 114.6 * arctan (21.622 / CF * FL). For this reason, a 1:1 ratio is often called "life-size". You won't be throwing it around your neck and having a brisk walk. These lenses mount . In 2020 alone, purchases on Etsy generated nearly $4 billion in income for small businesses. The filter-like things are screwed in like filters. The technology allows to increase the shutter speed by several stops and shoot handheld in such lighting conditions and at such focal lengths where without image stabilizer you have to use tripod, decrease the shutter speed and/or increase the ISO setting which can lead to blurry and noisy images. The filter screws into the filter area and also allows other filters to be screwed within. Clicks are equally nice. Anyone can leave a comment. In low-light situations, having a wider maximum aperture means that you can shoot at a faster shutter speed or work at a lower ISO, or both. Lens filters are accessories that can protect lenses from dirt and damage, enhance colors, minimize glare and reflections, and add creative effects to images. Colors are on the saturated side but not overly so. Working with Mamiya-Sekor C f=127mm 1:3.8 for Mamiya RB - YouTube Consistently earned 5-star reviews, shipped orders on time, and replied quickly to messages, Looks like you already have an account! Rent a Mamiya 645 Sekor-C 5 Cine Lens Set + Leica L adapter, Best Prices | ShareGrid Los Angeles, CA. Captcha failed to load. You might say that f4.5 is not super wide open. On narrow-format cameras, of course, it will not show all its charm, but, nevertheless, is suitable for use. CF crop-factor of a sensor,FL focal length of a lens. That's why there is a slight softness although it's not too visible in this size. 20. They aren't super common on Ebay. More sharp and contrast than Vega-12B, and the same "air". 35s2 mamiya-sekor 48mm f1.9 (new) 1950196035mm Download jpeg source photos from Nikon D70 can by this link. It boosts light transmission, ensures sharp and high contrast images, minimizes ghosting and flares. In another thread, someone wrote that the 80mm Leaf Shutter lens was sharper than even the "N," which made me assume the Leaf was made later than the N. It doesnt create that eye-popping sharpness that I see with the Fuji lenses. Thanks for the speedy reply. Mamiya M645 1000S + PD Prism Finder S + 80mm f2.8 Sekor C. And it is quite heavy. In addition, lens hoods can offer some degree of physical protection for the lens due to the hood extending farther than the lens itself. The Community of Madrid has resorted to the capital markets again in February 2020 to successfully place a new sustainable bond with a 10-year term and for a volume of 1.250 million euros, being mandated for this by BBVA, Banco Santander , Banco Sabadell, HSBC, Bankia and Deutsche Bank. If you're looking for a more vintage sharpness with some glow then this lens might not be for you. I dont have a lens shade, which may help reduce the flare. (15% off), Sale Price $850.00 Ideal for rehousing Aperture opens and closes 175701350172 5. You can still carry the camera around the neck but you will start to feel it after a while. Change). It's not all perfect. The Mamiya Sekor-C primes then entered the Ducloss officialCine-Modprocess. It is recommended to use a filter for complete weather resistance when desired. Mamiya Sekor-C PL Conversion - Duclos Lenses Suitable for 8K Vista Vision sensors, these vintage lenses are an excellent match for ultra high quality production. All images hand held, most of the @f/5.6 or f/8. It feels heavy and it is heavy. Furthermore, older lenses such as the Mamiya Sekor-C lenses were made to be serviceable and long-lasting. Subsequently replaced by Mamiya-Sekor C 80mm 1: 2.8 N. The presence of the aperture control ring. Ill start by saying that I didnt do side by side sharpness comparisons of my Fuji lenses to this Mamiya. Mamiya-Sekor SFC Mamiya's long experience and concentrated technology have made possible the development of the all new MamiyaSekor SF C 150mm f/4 Soft Focus Lens. On a full frame in general lyapota :). Punchy. Format refers to the shape and size of film or image sensor. http://www.photonstophotos.net/ It shows the dependence of DD on ISO, a very convenient interface, but how much can you trust it ?, the values differ, say the same http://www.dxomark.com/, I use the N (new, more recent) version of this lens (and its other relatives). Although the 80mm blue-dot version seemed to be an improved coating version. With the advent of larger sensor sizes on cinema cameras, however, medium-format lenses such as the Mamiya Sekor-C are seeing a huge uptick in popularity. Mamiya 645 4/210mm Sekor C #62628 (1682781751) | eBay Furthermore, the lenses had issues, such as heavy focus and fungus. Mamiya-Sekor C 1: 2.8 f = 80mm is a standard lens for medium format cameras of the Mamiya 645 series with a frame size of 6 cm X 4.5 cm (frame diagonal 75 mm, crop factor Kf = 0.58). "Internal focusing movement, lens do not move in length when focusing" It's well machined, focuses correctly at infinity and all function works smoothly. But it's the first photo where I was truly amazed. Mamiya. The redesign was there to improve the resolving performance. Free shipping for many products! It is used interchangeably with the more general term field of view. The bottom line is that this lens is adequately sharp for my needs. They are still made from plastic but they feel more solid and there is no play in them. I have found the lenss to be sharp enough across range, only prone to dust would be my only complaint, relatively easy to self service though. You can see a few hexagon-shaped flares near the light. The flange focal distance (FFD) is the distance from the mechanical rear end surface of the lens mount to the focal plane. For lenses with collapsible design, the length is indicated for the working (retracted) state. Mamiya 645 Sekor C 150mm F/48. Mamiya-Sekor C interchangeable lenses instructions. It doesnt always show up. It's super sharp everywhere. You can see where the sun is. When closing the lens down bokeh remains pleasing. The samples from this review somehow discredit the subject. The one thing that I couldn't see from this lens was the 3D-like subject separation. It's not the only way to tell the later versions apart. 900x600 pixel crop from 14MP APS-C Mamiya/Sekor Auto 55mm f/1.4 Here's a little shot on the same 14MP using one of the f/1.8: Image not available.

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