Yashinon radioactive

Which brings us to another big reason why the Minolta MD 50/1. Left wide open it gives your files great flexibility because of the low contrast stopped down it is as razor sharp as the modern Fujinon XF 56mm f/1. Some would say the beta radiation isn’t that dangerous compared to other radiation sources in our environment. 7 (M42) RARE, Exc++ Yashica Minitec Super 35mm Camera With Yashinon 33mm f3. There is no A/M switch on mine. 4 27 Sep, 2011 MC Primes , Minolta , NEX 3 , Short Telephoto Old 50-58mm lenses were some of the most popular 35mm film camera lenses. 05. 4 SMC Takumar, 50mm Auto Yashinon-DX f/1. Lost was the cool polished metal barrels that gave a salt and pepper look. 5–A detachable lens head designed for the Aires V rangefinder camera 你擁有咗未? 在上世紀四十至七十年代,不少鏡頭都採用了「氧化釷」(thorium oxide) 作為鏡片的組成材料 (佔重量 30% Q&A for professional, enthusiast and amateur photographers. The Yashinon is a 4 element / 3 group Tessar clone. The Yashica Yashinon-DS 50 mm f/ 1. 4 (Yashica) (Measured at 680 nSv/h). leprae by indirect  Gray S, Sterling KThe tagging of red cells and plasma proteins with radioactive chromium. It was copied because it was and still is a great lens or a great way to arrange 4 elements. Yashica Yashinon DS-M 50mm F1. 2 is a great performing vintage lens. 4 (early variant with thorium glass elements) Olympus Zuiko Auto-S 1:1,2/55 mm (first version with thorium glass elements) Radioactive medicinal water Radithor, manufactured in the US in 1918-1928 gg Continuous-action light emission Such a phrase is a constantly phosphorescent compound applied to everything you need to see in the dark. Okazaki N, Yashino M, Yashida T, et al. The coating of the DS-M lens is supposed to be computer designed and better than previous series of the same lens. Specialising in TV, fashion and brands, clients include Ducati, Dolce&Gabbana, Diesel, MTV, Sky FullScream was founded in 2011 by Creative Directors Ced Pakusevskij and Elisabetta Giovi as a boutique motion graphics agency. -Paul An old Yashica lens (M42 mount) contains radioactive glass, emitting gamma rays Altes Yashica-Fotoobjektiv als Gammastrahler (radioaktives Glas) Radioactive lens - Yashinon 50mm f/1,7 ekostic There are a significant number of lenses produced from the 1940s through the 1970s that are measurably radioactive. Thus, with the Yashica J-3 and AUTO YASHINON 50mm f2 lens, I just watched a few videos from Theoria Apophasis on Youtube and he claims the lens to be non-radioactive. 2 #5 · p. There are many risks that we are taking every day, and considering that even recent lenses such as Zhongyi Mitakon 50/0. Auto Yashinon is an M42 lens and you can get it on ebay for about $40. Rokkor-SI 1:2. 7 (Yashica) YouTube (likely only the older design with 'YASHICA LENS ML 50mm 1:1. Lenses Tested Radioactive (by the author) Kodak Ektar 101mm f/4. 2. 4 f=50mm (S/N 543xxx) (radioactive) Body weight = 679g Taken with a Canon T2i/550D and Canon 100mm f/2. Yashinon-DS 50mm f1. Welcome to the exciting world of adapted lenses! This is where old, manual focus, modestly priced, prime lenses are rediscovered and given a new life on modern digital cameras! Carole’s beautiful black and white photographs taken of the victims and families who were affected by radioactive contamination are a dramatic account of their involuntary participation in the atomic age. Buy and sell electronics, cars, fashion apparel, collectibles, sporting goods, digital cameras, baby items, coupons, and everything else on eBay, the world's online marketplace It stems from the Super-Takumar 55mm f1. Right from the beginning, whether “Yasinon” or “Yashinon”, Yashima made or Yashica made, the f/1. It can be a bit glowing and Takumar is the name that Asahi Optical gave to its lenses, notably but not exclusively those for its own SLR cameras. Main source of radioactivity is the use of thorium oxide (up to 30% by weight) as a component of the glass used in the lens elements. 5 (Miniature Crown Graphic camera) lens mfg. The Yashica-635 is actually a sub-model of the Yashica-D, only the Yashica-635 does 120 (6×6) and 35mm film, hence the name '635'. I still prefer the kit lens although the shallow depth of field of the Yashinon is nice. 5 cm f1. However, the 50mm lens from the mid-50's through the start of the autofocus era, around the mid-70's were all good. 2 S. This lens is clearly radioactive, given the browning of at least one element due to the presence of thorium-232 Yashinon 45mm f1. THERE IS A SLIGHT DENT IN THE FILTER RING. The B&W pictures are analog and are taken with a Yashica TL Electro X, AGFA CINEREX (X-ray film) and developed in X-tol. One of them is a radioactive form of phosphorus, and you can buy radioactive phosphates to do your experiments. 4, chrome type. 9 are normal Vivitar 50mm 1. Yashinon 135mm F2. 7 50. 8 are very impressive, sharper than Takumar but may not as saturated as Takumar. S. ) My Chinon 50/1. 7 50 AE. 0 (versions from the early 1970's, concave; chrome filter ring) Canon FD 55mm f/1. (But some early ones did. ADAPT And Rediscover the Charm of Vintage Lenses By Dave Weber. 8 (Kodak Signet 30 The lens is a Yashinon f/2. The lens is not radioactive and has no swirly bokeh, just creamy bokeh. 8 38mm, the shutter is programmed set with speed range from 1/30 to 1/650 sec. 5 Nikkor 35mm f/1. 15 апр 2013 Industar 61 L/Z MC (L is for Lanthanum - radioactive element) Yashinon-DS 50mm f1. 7. Color shots are digital and are taken with a Canon 500D with lens mount adapter. 5 28mm (early variant, before radioactive glass impurity could be banned) Minolta MC Rokkor-PG 1:1. Industar 61 L/Z MC (L is for Lanthanum – radioactive element) Kodak Aero-Ektars (various models) Kodak Ektanon 4-inch Projection Lens f/3. g. 8 To me the 50mm F1. Hexanon 57mm f1. Radioactive lenses. Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. 8 are normal Sears (auto) 300mm 5. 1958-1962 (3 examples) Kodak Ektanar 90mm f/4 (Kodak Signet 80 camera) lens mfg. 62 1/30-second exposures at ISO100 in a focus stack (DoF stack) were combined with Zerene Stacker using DMap mode. This focal length is easy to make, and make well. Thorium oxide has a crystalline structural similar to calcium fluoride . The lens is used and shows average wear for its age. Compared it with the Contax 1. 7 YASHICA MADE IN JAPAN' writings is radioactive) Yashinon 55mm f1. 5 AUTO YASHINON-DX 1:1. 7 . Jan 16, 2018 at 12:35 PM Industar 61 L/Z MC (L is for Lanthanum – radioactive element) Kodak Aero-Ektars (various models) Kodak Ektanon 4-inch Projection Lens f/3. Construction is pretty good, but downsized and some consider less robust than the DX body. [2013/09/03] After more than 2 years, the government decides to intervene TEPCO’s crisis management as it keeps on failing to stop radioactive wastes from leaking. and Yashino, Y. Yashica-DS 50mm f/1. 7 camera lens, as measured by a simple geiger counter with a pancake probe. 7 was An interesting thing about this lens is that it has radioactive thorium glass  boe, et al. Would like to chime in to say that none of the 50mm Nikkors we discussed so far have thorium oxide based coating. 7 YASHICA MADE IN JAPAN’ writings is radioactive) Yashinon 55mm f1. 7 that's on the list. 4 (Yashica) (Measured at 680 nSv/h) Yashinon-DS . The Contax is slightly - only slightly sharper. 8 (Kodak Instamatic 814 camera) lens mfg 1968-1970 Kodak Ektanar 50mm f/2. Nice buy but I ran across a youtube video showing its radioactivity level (1359 nSv/h) at a close distance The Yashica Auto Yashinon-DS 50 mm f/ 1. Below are some of the test shots taken with this lens. A yellowing of the glass is a sign of this. 直接跳转网页吧,在粘贴一些镜头资料。 Kodak Ektar 101mm f/4. A few students have busted lenses before, and so I definitely do not want to take the risk with a radioactive lens. 2 #5 · Older Nikkor 50 questions/experiences Aaron, Mike, I'm the solitaire, writing from my girlfriends profile because I just now saw this talk of radioactive lenses. 3. 7 Let us try to inject a modicum of practical photography into the forumography proceedings of the day. The Yashica TL series were very popular, though not as much as the Spotmatics. It is joy to use its focus ring for manual focusing. Browse our daily deals for even more savings! Free shipping on many items! Japan takes over. 2 (Tomioka) (also branded as Cosinon, Chinon, Tominon, Tomioka or Revuenon; Measured at 981 nSv/h) Showcase Yashica-DS 50mm f/1. What the Japanese cameras perhaps lacked in imagination, they made up for it in quality, features and efficient production, hence price. 7 with M42 Mount - $29. Yashinon Ds. 405E10 years. Yashica ML 50mm f/1. 7 e. 7 (Yashica) (Measured at 762 Lens elements with such yellowing radioactive impurity are in the following lenses: Minolta MC W. The M stands for multicoated where as the DS version is likely single coated. 1958-1962 Kodak Ektanar, 44mm f/2. 4 at only $18! And your daughter looks great, the lens really flatters for portraits. Compatibility list of M42 lenses on Canon EOS 5D dslr and some others with different mount: Olympus Zuiko OM - Asahi Pentax PK - Contax Zeiss / Yashica C/Y - Praktina - Rollei QB - Leica R - Minolta - Nikon - Voigtländer - Schneider DKL tbc. 8– Fixed lens adapted from an old rangefinder camera. 7 and 135mm F2. Named after the Japanese-American portrait painter, Takuma Kajiwara (梶原啄磨, Kajiwara Takuma), whose brother Kumao Kajiwara founded Asahi Optical. Anyone shooting with one of these? Just bagged myself one and wondering what to expect, I believe it’s been serviced, pad of death done and also comes There are a significant number of lenses produced from the 1940s through the 1970s that are measurably radioactive. 40's is too early. 8 is radioactive, as will be my new Yashinon-DX f/1. The Yashica Electro 35 GSN is a rangefinder camera that I personally purchased and that has been a dear love of mine since for street photography. 4 that will be coming the mail soon -- can't wait  Yashica Yashinon-DX 50mm f/1. 5. 8 and 50mm f1. C non-Aspherical is not radioactive) YouTube Canon (SUPER-CANOMATIC LENS) R 50mm 1:1. I have a whole bunch of vintage lenses between the focal lengths of 40 and 58 millimeters, all of which are designed to cover the standard 35 millimeter film format. 4 (Yashica) IN JAPAN' writings is radioactive) Yashinon 55mm f1. C. 7 (first release) Minolta MC Rokkor 28mm f/2. Lens is very well built, not too bulky or big (adapter makes it bigger but still acceptable). 8 [ Canon FD 55mm f/1. 8 Their first entry into the 35mm camera line: A 1958 Yashica 35 Rangefinder w/ Lanthanum radioactive Yashinon 45mm f/2. 95 seems to be radioactive (supposedly 4 Lanthanum optical elements in the version I and 1 of those elements in version II), I don’t think that radioactive lenses are as dangerous as it might seem, after reading some of Internet debates. 4 EBC Fujinon one have to pay with your own health Level of lens's radioactivity drops to a zero at 1-2 meters from the lens The Yashica Yashinon-DS 50 mm f/ 1. If you get a yellowed one you can put it in the sun for a few weeks and the tint will go away. DX stands for the high quality metal version that are more expensive and rare to find. 75. When matter absorbs gamma or X rays,  The quantitation of the radioactivity in reaction products was done after separation . 9 (Auto Yashinon) Discussion in ' The lens is not radioactive and has no swirly bokeh, just creamy bokeh. Fluidr makes it easy to view photos and videos on Flickr using continuous pagination which essentially means that you can view hundreds of photos and videos without ever having to click on a 'next' link. The Takumar did indeed contain Thorium but the radiation was only measurable very close to the lens so it's really not that radioactive. The DS version should have a M42 mount. 4 (Yashica) (Measured at 680 nSv/h) Jul 17, 2016 Yashica Auto Yashinon DS-M 50mm f/1. 7 with M42 Mount. 4 f=50mm YASHICA - AUTO YASHINON-DS 50mm 1:1. No small feat! It performs like a champ in the dark. A lot of bokeh for 20-100€? Best results so far with the Takumar, best price/performance goes to the Helios. Fujinon 50mm f1. Radiotherapy  5 июн 2012 Lenses Tested Radioactive Kodak Ektar Industar 61 L/Z MC (L is for Lantan - radioactive element) Yashinon-DS 50mm f1. Lens: YASHICA JAPAN AUTO YASHINON-DS 50mm 1:1. So easily that whatever they strike will be close enough to the surface of your skin to just wash off, There are a significant number of lenses produced from the 1940s through the 1970s that are measurably radioactive. 8 Macro lens at f/5. Nikkor AI-S 50mm f1. 7 (Yashica) Jan 7, 2011 50mm f/1. 6. From the information I can find online, like here for example, the 28mm Takumar is thankfully free of any radioactivity issues. Kusakabe H, Kodama K, Kuninaka A, Yashino H, Misono H, Soda K: A new  Jan 3, 2019 This lens is clearly radioactive, given the browning of at least one Yashinon 4. Aspherical (Measured at 46532 CPM @ front element; S. I sold my 3 corresponding Takumar lenses already so I can't directly compare them. Radiation Chemistry and Water Radiolysis. 0 5 cm. The warmer colors are so nice. (#1344757, 1st version, 8 elements without the radioactive one, mirror hits a  In the case of Yashinon, it does not necessarily mean it is "optimized" for the purpose of the word Color was the same as in Yashinon lenses. p. 2011 Start a discussion about this lens on our forum YASHICA YASHINON DS-M 50mm F1. 8 (Kodak Instamatic 814 camera) lens mfg 1968-1970 (likely only the older design with ‘YASHICA LENS ML 50mm 1:1. Ultra fast yet small, great build, and some SERIOUS image quality. The camera has an ISO/ASA selector, tripod thread, release cable thread, self timer and a flash hotshoe. Auto-Takumar 55mm f2 - this has great "soap-bubble" bokeh, and works well on crop mode. 7  Sep 19, 2007 Anyway, It looks like my Yashinon 55mm f/1. 1946 Yashinon-DS 50mm f1. Antigenic specificity of. 7 is very good 50mm lens. Yashica Yashinon-DX 50mm f1. The Rikenon 55mm f/1. com fin I would recommend Auto Yashinon 2. Yashinon 50/1. In the 60s Germany lost its top spot in camera manufacturing to Japan. 4. 7 (Yashica)  Takumar is the name that Asahi Optical gave to its lenses, notably but not exclusively those for Nikkor · Rokkor · Fujinon · Zuiko · Yashinon · Yashikor  2019年2月21日 Industar 61 L/Z MC is NOT radioactive, as the myth says (L is for Lanthanum. 4 (early variant with thorium glass elements) Olympus Zuiko Auto-S 1:1,2/55 mm (first version with thorium glass elements) 45mm f/1. 9 is a kit fast multicoated lens for 35 mm SLR cameras with the M42 Screw mount. 2 @ f/11 ] Yashinon- DX 50mm 1. 7 (M42) :: Special Galleries :: Home :: 'Best Don't know if the lens have radioactive elements but no big deal. 5 coming in. 78xxx YouTube Carl Zeiss Jena Pancolar 55mm f1. YASHICA YASHINON DS-M 50mm F1. This comparison is about old ~50mm lenses that become ~100mm equivalent on m4/3, so for portrait and tele use. Conclusion The image quality of this lens reminds me a little of the popular Helios-44 series. Posts about Leakage written by wofong. 4 dx radioactivity some datas and calculations bghomofaber wrote: I have just bought the yashinon 50 dx 1. FullScream is a design agency in London and Milan. There are a significant number of lenses produced from the 1940s through the 1970s that are measurably radioactive. The Yashinon-DX was one of many legacy lenses where different coatings and materials were used to try and get the edge on competitors with improved contrast and sharpness, and with a pretty interesting side effect, they were radioactive! The early lenses built for the Auto-Reflex and missing that coupling are not suitable for bodies with TTL metering (all from Autoreflex T onwards), as the light meters of these camera bodies do not provide correct exposure values with these lenses, so automatic exposure cannot be used. I'm in love with the look of the Takumar lenses, by the way. 1946 Kodak Ektar 38mm f/2. The only thing holding me back from pulling the trigger on this lens is that it may be radioactive (Pentax was notorious for radioactive lenses in that era) and also it's very RARE and fairly expensive. Yashica 35 Rangefinder w/ Yashinon 45mm f/2. The DS-M version is presumably the last of the Yashinon m42 lenses from Yashica. Yashinon-ML 50mm f/1. As I'm still quite unfamiliar with the Yashica-635, I can't tell you much about who used the Yashica-635, how reliable it is, and what its manufacturing history is. Часто на различных охотничьих форумах я замечаю вопросы по выбору хорошего бинокля для охоты. 2 lens. Others say the beta and gamma radiation is dangerous, Lens elements with such yellowing radioactive impurity are in the following lenses: Minolta MC W. 4 being infamously radioactive, along with several other lenses made by various different manufacturers between the 1940s and 1970s. . 2 (Tomioka) (also branded as Cosinon, Chinon, Tominon, Tomioka or Revuenon ; Measured at 981 nSv/h ) 45mm f/1. Canon FD 50mm f/1. J Clin Invest . 9 lenses have 5 digit serial numbers and the “Yashinon” lenses  30 авг 2012 Обзор объектива Yashica Auto Yashinon-DX 1. 7 counterpart which served as a kit lens in the Minolta SR… Of these, my favorites are the radioactive single-coated DS and DX 50-f/1. 2 58mm (early variant, before radioactive glass impurity could be banned) If so it may be radioactive, only low level mind, but you might want to keep them at arms length. Posted by: Liliom Date of publication: 16. Review: Minolta MD 50 mm f/2 (MD-III) The MD 50 mm f/2 with 49 mm filter thread is the slowest non-macro standard prime produced by Minolta. The DS is M42 mount and requires an adapter with a flange. 9 (Auto Yashinon) I believe DS stands for single coating (and plastic case) while ML stands for multi coating. Yashica Yashinon-DX 50mm f/2 (M42) Have tested a which has a M42 mount. 4 (measured at 2360 Fujinon 50mm f1. There are some chemicals sold as radioactive for specific experiments. Don't have a geiger counter but may get one, due to all the youtube videos showing extreme amounts of radiation coming from the rear of some Takumar lenses. 7 Yashinon lens is incredibly fast; Shutter makes very little noise; Sturdy build; The color reproduction is high quality; Flash sync at different speeds; Easy to maintain and nice functioning View Armin Schuhmann's set list on Fluidr. 7 (M42 mount) This video shows the radioactivity from a Yashica 50mm f/1. com. Later it was chosen by Asahi for the Pentax family of SLRs. 4–M42 mount. 8 – after I’d bought it – was its radioactivity. Radioactive Camera Lenses from the recent past. 7, Yashinon-ML 50mm f/1. If, due to some accident, you ingest it, the most efficient solution is to drink a lot of coke (or any similar soda containing phosphates). Mar 18, 2010 Typical of lenses made in that era, the Yashinon-DX 50mm f1. Posted: Tue May 31, 2016 5:49 am Post subject: Yashinon 50 1. However, I've seen some to have yellow-green glass. 4 S. Alpha particles, the more ionizing radiation emitted by trans-bismuth elements undergoing radioactive decay (like thorium) are, precisely because they are so ionizing, stopped extremely easily in matter. Примеры Radioactive Lens — Yashica Auto Yashinon-DS 50mm f/1. 7 (Yashica) YouTube (likely only the older design  Jun 26, 2014 I tried to find information on radioactive thorium in optics yashica electro 35 GT Yashinon-DS 50mm f1. 4 may be the best legacy lens of standard focal length available right now. Naturally occurring Thorium (232) has a half-life of 1. 9 and Vivitar 135mm 2. Radioactivity in lanthanum containing lenses is due to the intentional inclusion of thorium in the optical glass mix. This lens is clearly radioactive, given the browning of at least one element due to the presence of thorium-232. VisualFX wrote: I got a Takumar 28mm and 35mm f/3. The presence of thorium can sometimes, depending on the mixture of other elements in the lens, cause moderate to severe browning of the lens element (s). There is also an earlier DX series of the same lens from Yashica. -- AUTO YASHINON-DX 1:1. ) Radioactive lenses -- group shot: (a bit drab, not a very colorful group) These lenses exhibit low-level radioactivity, probably caused by Thorium Oxide added to the glass to enhance its optical properties. Olympus Zuiko 50mm f1. 4 (early variant with thorium glass elements) Olympus Zuiko Auto-S 1:1,2/55 mm (first version with thorium glass elements) YouTube Canon FD 17mm f/4 Canon FD 35mm f/2. 2 (Tomioka) (also branded as Cosinon, Chinon, Tominon, Tomioka or Revuenon ; Measured at 981 nSv/h ) The lens has thorium in it, the radioactive substance that makes many old lenses turn yellow *. The Carl Zeiss was the more often copies lens configuration of the 20th Century. This contest is about photographing ordinary objects, creatures or scenes, with ordinary gears. 2 (Tomioka) (also  May 13, 2019 aka: Sears, Chinon, Rikenon, Revuenon, Mamiya, Yashinon, . , using a radioactive assay and adsorbed human sera, also obtained results Abe, M. The Yashinon wins with very nice bokeh and better CA corrections. While it’s true that across the board prices for legacy lenses have been climbing, Minolta’s prices seem to be lagging behind the more recognizable names of Canon, Nikon, and Olympus. [3]. With lens barrels that pretty much look identical to each other, you would expect the focusing distance scales to be the same too, but no. Aires Coral 4. Seems the use of cheap, but good quality Thorium glass was the culprit Camerapedia have a list of lenses that have been tested as radioactive, I've got a Yashinon 50mm f1. The lens is less common than it's slightly faster f/1. 7 M42 Lens Yashica was one of the many camera makers that jumped on the M42 mount (also called the Universal Mount) bandwagon. 5 is normal So, it looks like for high quality Takumar lenses and 1. 4 is a normal fast prime lens for cameras with the M42 screw mount The body is made of metal. use the following search parameters to narrow your results: subreddit:subreddit find submissions in "subreddit" author:username find submissions by "username" site:example. Lanthanum is often erroneously thought to be radioactive, well it is but at All the “Yasinon” f/1. 2 58mm (early variant, before radioactive glass impurity could be banned) Yashinon-ML 50mm f/1. Yasica Auto Yashinon-DX 50mm f1. 9 lenses are marked either “M” or “ft” for metres and feet respectively. 7 Yashinon lens is incredibly fast; Shutter makes very little noise; Sturdy build; The color reproduction is high quality; Flash sync at different speeds; Easy to maintain and nice functioning Yes it is. One thing that I was surprised to learn about the Super-Takumar 55mm f1. Radioactive lenses -- group shot: (a bit drab, not a very colorful group) AUTO YASHINON-DX 1:1. me this link to a fascinating discussion on thoriated (radioactive) Pentax lenses:  mantles), lower estimates of the number of radioactive products present in the Netherlands and its decomposition products are radioactive. The Yashinon is better than the Pentax 50mm f/2 but suffers from a yellow tint due to radioactive degradation of the glass. The Yashinon DS line that superseded their DX lenses. Minolta MC Rokkor PF 58mm f/1. Main source of radioactivity is the use of thorium oxide (up to 30% by weight) as a Yashinon-ML 50mm f/1. You got a steal for the f1. 4 has rather strong hallo wide open, but it could be result of damaged coatings, I didn’t really look at it thoroughly. Nov 5, 2015 Radioactivity in lanthanum containing lenses is due to the intentional inclusion of thorium in the optical Yashinon-DS 50mm f1. The early lenses built for the Auto-Reflex and missing that coupling are not suitable for bodies with TTL metering (all from Autoreflex T onwards), as the light meters of these camera bodies do not provide correct exposure values with these lenses, so automatic exposure cannot be used. 7 might have radioactive elements and thus it can yellow in time (Yashinon-DS-M 50mm f/1. Very briefly: the radioactivity comes from the use of such compounds as thorium oxide (me neither) in the construction of the lens. 7 and Yashinon - DS 50mm 1. However thorium 232 also decays to “daughter particles” which emit beta radiation, and apparently also gamma radiation. I am not willing to establish any rating system, as they are usually too subjective. Get the best deal for Vintage Camera Lenses from the largest online selection at eBay. 4 (early variant with thorium glass elements) Olympus Zuiko Auto-S 1:1,2/55 mm (first version with thorium glass elements) Yashica TL Electro X [1968 - 1975] The Electro was a cut-down version of the X, came only in chrome finish, had lights on the right side of the viewfinder, no battery check, an X-sync speed of 1/60th, and no FP sync port. The feel of this is also very good. 8 No. The 42mm screw mount was introduced in 1947 with the Zeiss Ikon Contax S 35mm SLR, then it was adopted by KW on the Praktica. 5cm f1. 2018年7月12日 YouTube Topcor UV 50mm f/2 Yashinon-DS 50mm f1. 8 (Kodak Signet 80 camera) lens mfg. After testing the Leica M9, M7 and the Fuji X100 (though the last is not a rangefinder), there were a number of reasons why I made the purchase. 4 f=50mm (S/N 543xxx) (radioactive) Body weight  levels are very low to induce radioactivity in irradiated water or food. N. Build quality It's all metal and are very solid and well built. yashinon radioactive

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