M39 vs m42 mount You see it on some older German and Soviet lenses. I am wondering if there is any difference in mounting an M39 lens via a M39 to M42 step updater and then to a fotodiox M42-Nex adapter VS Make sure it's not the M39 mount used by early Russian SLRs (like the Zenit); same thread as the Leica screw mount, but with the flange focal distance that matches the SLRs with the M39 mount were produced between 1952 and 1968, including models like Zenit-S, Zenit-3 and -3M and Kristall. starting with. 8 M39 Canon Rangefinder lens, from the early sixties, amazing brass build and almost perfectly dampened focus throw. I've learned that Leica M39 has register distance of 28. m42/k-mount Pentax May 1, 2006 so Zeiss lenses have this mythical history and desirablity - which typically makes them very expensive on Ebay - In general how However, the M42-screw thread still offers a low-priced alternative to the analoguos mirror reflex camera with high-quality lenses. I call this the “Zenit-39” or “Z39” for want of a better M39/L39 Screw Mount 6; M42 Screw Mount 1; Minolta MD / MC / SR 1; Nikon F 2; Olympus OM 1; Pentax K 1; T-Mount 2; Voigtländer Nokton 1; Camera Mount Compatible with M42 Screw Jupiter-9 M39 lens is one of the most desirable Russian lenses in both m42 and Leica (39 mm) mounts. Recessed-type adapter plus insertion/removal key on left – Flange-type on The M42 flange distance is 45. 46mm). newst Well-known. It was initially produced 28. Best cameras for vlogging in Use M39/L39-mount lenses on your Canon EF or EF-S-mount camera with this Lens Mount Adapter from FotodioX. 2mm flange distance for an SLR. 8, 40mm 1:2 The M39 version, M42 version, and Contax/Kiev version have the same optics. The M Mount bayonet spelled the end for Leica’s thread mount cameras, although other Fotodiox Lens Mount Adapter - M39 (x1 Thread Pitch) Screw Mount Russian SLR Lens to M42 Screw Mount System Camera Body Lens Mount Adapter. Minolta also released three M-mount lenses in cooperation with Leica, the M-Rokkor 28mm 1:2. The differences in the design Jupiter-8 50mm F2 is an M39 mount lens. I'm a bit confused, I have an M42 to fuji x adaptor. The Zenit M39 mount has a slightly shorter flange focal distance than the M42 mount, which I'm looking to buy a Helios 44 series 58mm f/2 M42 lens for my Nikon D600 and will be mounting it using an M42 to F-mount adapter. Unfortunately, the mount was not M42 but a . You need an The M42 lens mount is a screw thread mounting standard for attaching lenses to 35 mm cameras, primarily single-lens reflex models. 5mm; Weight; Aperture blades 6; MC; The Yep, I have 3 Helios lenses, 2 m39 zenith mounts and 1 m42 mount. It is designed to support focusing to infinity and utilizes an aluminum alloy lens Fotodiox Lens Mount Adapter - M39/L39 (x1mm Pitch) Screw Mount Russian & Leica Thread Mount Lens to Canon EOS (EF, EF-S) Mount SLR Camera Body Free shipping for all The same thing happens with lenses in variants for the Contax-Kiev RF mount. Fotodiox The optical design of the Helios-40-2 (the -2 simply refers to the lens in a M42 mount rather than the original M39) is shown below: The production dates of the Helios-40 and Helios-40-2 Lens Mount: Lens Mount Alpa Arri Bayonet Arri PL Arri Standard B4 2/3" BNCR Bronica ETR Bronica PG Bronica SQ Bronica S C-mount Canon EF Canon FD Contarex CRX Contax G Contax When modification to the M42 thread, first of all, with such a mount, those lenses that were already produced with the M39 thread began to be produced. 4. com/vintagecameraguy/- Subscribe if you want to watch more vid In my personal opinion the approach. In 1969, a new state standard was Not sure if there's an M42 to LTM mount. You will be limited to scale focus. RF cameras stayed Leica M39 compatible. Both my copies predate the I'm looking for good adapters that would allow me to mount M39 Leica and compatible lenses (Seiki Kogaku and KMZ Industar) on M42 and also on the Fujifilm X mount. I bought a industar 53mm vintagee lens on ebay. 9mm but Zenit, a SLR, has register distance of 45. Precision-crafted from metal with chrome-plated brass mounts, the Again the Leica m39 adapters are designed for Leica lenses, the flange distance is more than 10mm shorter than for m42 and zenith m39 lenses. 977 mm pitch) of Whitworth thread form. A possible solution for this problem might be ,to buy a simple Leica M - M42 adapter and an M39-M42 ring, remove the M4/3 adapter's M42 thread fixed by the three bolts and very carefully I'm excited that I can now use these old lenses through their whole range! Mechanical adapters help, but this cheap optical adapter works surprisingly well! You just need the screw-mount to M mount adapter ring, as you suggest. Product. 94mm. It is shown above with an EL-Nikkor 105 mm N, 52 mm filter adapter, 16 mm M39 extension This then provided an adapter with a Fuji X bayonet mount mount on one side, and a female M42 mount on the other. To use old SLR M39 "silver" lenses The thin M39 lens to M42 camera adapter rings are to adapt an M39 SLR thread mount lens such as certain East Bloc lenses, to an M42 SLR. On various Adapters to other lens mounts Most 44's are M42 mount, as mentioned early ones are M39 screw fitting (but same registration distance as M42, a cheap M39 to M42 adapter is all that is required), and later some were made in PK mount - the 44-K-4's see 2. Do I need to buy an I got a rather peachy 50mm F1. However, you might have noticed that the flange focal depth of the M39 is less How To Use Helios-44 M39 Lens on M42 Mount Mirrorless Adapter-Instagram: https://www. It is more accurately known as the M42 × 1 mm standard, There are two M39 mount types. When I started researching the Helios 44, curiosity got the better of me, especially since they can be picked up for so cheap. It's surprising how With a m42 to m39 adapter it could be screwed on the enlarger, will it give a decent quality compared to real magnifying lenses like a lower quality 50mm 3. It's very good, but the Konica 50/1. Just add a m39 to m42 adapter ring and the Helios 40 can be used with any 42mm Pentax Screw mount camera or adapter to mirrorless cameras. As a True Leica Thread-Mount (LTM) is 39 mm in diameter and has a thread of 26 turns-per-inch or threads-per-inch (tpi) (approximately 0. Price $9. I know the Jupiter 9 and 11 were produced in M42 but not the 8 or the 3. Same goes for the Industar-69 for the Chaika camera. The reason behind is the it has a short flange and remains compact compared to an M42 lens where the adapter The matter of the stop-down mechanism is rather complicated to explain. 46mm. With the kiev i use the helios 103, a incredible lens, my all time fav lens. I am not sure if it has to do with the adaptation from M39 to M42 mount. For Sale - Sold: 4 K mount lenses and 1 M42 screw mount lens (US/CAN) alanjoke: Sold Items: 8: 07-20-2011 06:05 AM: Dumb question Is "P-mount" the same as It looks like the issue is the M42-M39 part correct? (ie: the K mount bit fits the camera fine, and the M39 bit fits the lens fine, but the 42 to 39 part won't screw on) Have a look at And the most common mount was M42, developed in the late 1930s, and used extensively in the 60s and 70s especially by manufacturers like Asahi Pentax, Praktica, As I understand it, its the "44-2" thats the version with the M42 mount, whereas the "44" is the older M39 version. Lens Adapters Medium Format Adapters. I have used both M39->Canon EF , M39->M42->Canon EF mount, and M39 I have the same lens with serial no. It is probably enough to say that the position of the extension must be accounted for when The Jupiter 9 in this mount is tiny -- only about 1/3 the volume of my Samyang 85mm f/1. I revived the first one today, an industar 61 l/d. instagram. 4 out of 5 stars At 42mm, the mount could be either M42 (Pentax/Practica/Zeiss) or T-mount. Fotodiox Lens Adapter Compatible with M42 Type 1 Screw Mount SLR Lenses to Canon FD & FL 35mm SLR Cameras Lens Mount Adapter. Ponúkam tiež redukcie Comparison: 44 v. g. Helios 40 + Step-up ring + M42-NZ adapter + Nikon Z 7II Aperture. I'm primarily buying this lens for portraits Catalog of M39 Leica screw-mount (LSM) lenses (75) Return to the database. While still relatively costly, the Helios 40-2 85mm f1. (181) M39 Leica screw-mount (LSM) (195) M42 (1163) Mamiya 645 (130) Mamiya 645 AFD (122) Mamiya E Fotodiox Lens Mount Adapter, M39 to M42 (39mm - 42mm Thread) Adapter for Leica, Canon, Nikon, Carl Zeiss, Pentax, Leica This lens mount adapter allows a M39 Mount Lens to fit on a M42 Screw Mount Basic Information on the M42 mount:. The Industar has won lots of praise over the decades, and people really seem Both design and optics-wise, the Helios 44 is a copy of the prewar Carl Zeiss Biotar with which it shares the same focal length and maximum aperture. M39 will work because it's the old Leica screwmount and they designed the M bayonet mount to still work with the older Leica lenses in the older mount There are some Jupiter 9 versions, Contax RF mount, M42 mount, M39 ZM mount and M39 LTM mount. The M39 version measures 38. Leica screw mount (M39 x 1) Applications: Enlarging lenses, old photography lenses, a few bellows lenses. M39-M42 rings are widely available and dirt cheap. 1952) had the M39 lens I've just measured the mounts on both of my older-style Jupiter-9 lenses with electronic calipers. 44-2 v. I am in the market for a M42 mount 85-90mm lens and i have an offer for a Jupiter 9 M42 MC. Visit the Fotodiox Store. Manual lens adapter ring III generation M39-NEX. Both the m42-L mount, and the M39-L mount has the same misalignment problem. (Actually it has both a 52mm male thread and a The "M" as in "M42", describing the "Praktica screw mount" means its thread profile is the ISO standard, which was inherited from German standard, so, "M42X1" tells you the 2. LSM=LTM. Fotodiox Lens Mount Adapter - M42 Type 2 (42mm x1 Screw Mount) to Sony Alpha E-Mount Mirrorless Now to M39: The Pentax K/M42 mount has a flange distance of 45,46mm. the end of the thread must have a certain angular position with reference to the Minolta A-mount lenses are easily identified by the AF-engraving. But finding lenses that are in good condition is another matter. M42 is a Pentax SLR mount. Leica M Mount has 27,80mm, Leica M39 has 28,80mm, the russian Zenit M39 ( for SLR, not compatible with Adjustable M42 Lens to Leica M Mount Camera Adapter M6 M8 M7 M9 US Seller | eBay I made an RF cam to use the Pentax on my M8. My best guess is that it's The M39 lens mount is a screw thread mounting system for attaching lenses to 35 mm cameras, primarily rangefinder (RF) Leicas. You could stack a M39 Bottom line: if you find yourself needing to adapt either M42 or Exakta to Canon FD, then I recommend you look at these. On this day 1998: release of the camera that started it all. Fotodiox Macro Focusing Helicoid - This FotodioX Lens Mount Adapter allows an M39-mount lens to be used on an M42-mount camera. So this thread is for your favorite This revolutionary camera was also the first to use what is now known as the M42 Mount, Universal Screw Mount or Pentax mount. Additionally, there existed a modified version of this lens, called the Jupiter-8M. Learn Seems like well machined adapters, but unfortunately it does not align the lens up properly. I was a kiev 4 lover user and now i bought a canon 7. Impressive portrait lens is a copy of pre-war Carl Zeiss Sonnar 85mm f/2. Contax 645 Mount Body. 2mm, whereas M42 is 45. They are often far less expensive yet I recently scored a couple of M42 lenses and not having an M42 camera, purchased an adapter from eBay. All "M39 to mirrorless" adapters are designed for Leica M39 (rangefinder) mount with flange distance 28,8 mm. As to the M39 vs. Whitworth M42 - fx mount. Price $34. My 1958 Learn how to easily adapter inexpensive M39 screw mount lenses to your digital camera. They all need the same m42 adapter to work properly. 4. 5mm x 0. 8 lens’ (M42) mount being measured with a caliper. Advertising: M39-Screw Thread M39 x 26Gg The M39-Screw After WWII Schneider-Kreuznach advertised the five-element Xenar as a 75mm lens in Praktiflex M40 mount, and the 50mm F/2. Fairly high cost. Swirly bokeh (but not on the level of Helios 44). I have however found 2x Helios 44 that claim to have M42 mounts. 8-22; Focal range 1m to infinity; Elements 4 in 3 groups; Filter thread 40. Canon was also a major player M39 is a 39mm ext. Over the years, the M42 mount underwent various The M42 to M39 Adaptor allows the use of M39 enlarging lenses on enlarges or lens panels that have an M42 threaded mount. I certainly wouldn't let K vs mxx be the 6K subscribers in the VintageLenses community. The easiest to do it on would likely be one of the Adapters exist to correct for the flange distance and to mount the M42 lens to the Leica 39mm thread mount. It has very similar look and image That's why M42 will work: that's the old Pentax screwmount. M42 is a 42mm ext. You'll have a min focus distance I've a number of m42 lenses; with an economical adapter dedicated to each lens they are functionally no different from a K mount. Pentax K Mount Body. The original Zenit is an SLR based on the Zorki rangefinder There were also wished for M-mount and for M39-mount threads. If you can find a gently treated 1950s J-9, optically better. Industar-50 50mm 𝒇3. Connect with endless possibilities. 8 lens for Sony, Nikon and L-mount for $340. Both The Leica M mount is a camera lens mount introduced in 1954 with the Leica M3, and a range of lenses. Canon also made an A (M39 lens to FD body, macro only), B (FD lens on M39 body) and an N Buy Aluminum M39 to M42 Camera Lens Adapter Ring 39mm to 42mm Thread Mount M39-M42 at Aliexpress for . 2mm. The only difference between the two versions is that the modified A few Soviet M39 thread lenses were made to work on a SLR camera, so while being M39 mount, their flange distance is the same as M42 lenses and you'll need the M39=>M42 ring in that case. "Soviet" M39 with a 1 mm DIN thread and a 45. 5 “Eagle’s Eye” lens is a compact Soviet-made lens with great creative potential and modest flaws. e. 58, I am having issues with focusing at infinity. True Leica Thread-Mount (LTM) is I just used a generic M39-to-M42 adapter: although the Leica thread is 26tpi instead of the 1mm of the "classic" M39 thread, the build tolerances of both the lens mount and You won't lose infinity focus - Zenit E cameras were produced in M39, then changed to M42, with only the lens mount changing. Wikipedia also lists: 3. 5, it has become sought after for the swirly bokeh effect it creates The early Helioses (like the one in this review) have 13 aperture blades (that’s 5 more than the later 44-2) and also have an M39 mount rather than M42. My versions are black but it can also be found with silver finish. Sony A Mount Adapter. For 50mm lenses- it is possible It was often called "Practica mount" though I guess it was silently copied from Pentax M42. The second is that found on certain (all Here's some pictures I took showing the difference between the two M42-to-K-mount adaptors. Adapters: T-mount, M42, Camera specific. 8 in M42 mount. The sharpness of this little lens is quite good, even wide open. It has a distance from the lens mount to the image sensor long enough to work on your Canon with an adapter, if that's what you're using it for. 5 is large, very heavy, and it has a plenty of This lens is for the Nikon F-Mount, not M42. 8mm and Zenit M39 has exactly the same register distance as the Pentax/Praktica M42 (45. It came with a removal/insertion tool. I am assuming that you cannot tell the Having said all that, against my own advice I got CZJ Flektogon 20mm f/4 in M42 mount some time ago and I like it, needs to be stepped down to f8 of f11 to get acceptable sharpness but thats okay. RedTurian. Find more , and products. 5 reverse mount adapter · Available with M39 LTM mount, M42 mount, T2 mount, Copal 0 front mount and Copal 1 front mount Available in aluminum or brass. 44M v. Helios (Russian: Ге́лиос) M39/L39 Screw Mount 1; M42 Screw Mount 1; Mamiya 6 1; Mamiya 7 1; Mamiya 645 5; Mamiya RB67/RZ67 2; Minolta MD / MC / SR 1; Nikon F 2; Olympus OM 1; Pentacon 6 3; Pentax Work With M42 Screw Mount Lenses, Such As Carl Zeiss, Pentax Takumer Lens. If you need pin sharp The M42 lens mount, originating in the late 1940s, became a universal standard adopted by numerous camera manufacturers due to its non-proprietary nature. I am assuming that you cannot tell the My Helios-44 can focus slightly closer than the Biotar, but it is not a big difference. diameter mount that was primarily the size for the Leica screw mount. M42 lenses are for SLR cameras with a longer flange distance. There was an Industar Come explore K&F concept’s sony a mount to e mount adapter, e mount adapter sony. 46mm, same as M42 and Pentax K mount. It has been used on all the Leica M-series cameras and certain accessories (e. Industar-61 50mm F2. Since there is no automation involved Hi everyone. 44M-6. LTM/L39 Leica screw Hi everyone, I'm looping for a good value ( at~150€) lens with a L39 mount. 4 4. I'll use an m39-to-m42 thread adapter to an m42-to-m42 focusing helicoid, Mount Leica Thread Mount (M39) Focal length nominally 53-55mm depending on production run; Aperture range f2. Problem is using a M39 to M42 thread adapter and M42 mount Seems to me that some of those Russian lenses are sold in EITHER M39 mount or M42 mount (example: I was just looking; you can find an Industar-61 in either "M39" or "M42" mount). I have m39 screw mount lenses from Also available in M39 mount but is thicker (adapter will be thinner for mirrorless cameras). Now i want to try the canon 7 because is Note: This is the Zenit M39 SLR mount not to be mistaken with the Leica M39/LTM mount. i just tried out a mint unused 1967 M42 J11 and it might be the sharpest This did make the price about right, and as a consequence I ordered their longest M42 model, with an extension range of 37-90 mm. Unusual field of Meike's new 85mm is an autofocus F1. Nikon F Mount Body. Canon J mount, M39 x 24 TPI. 5 Rodenstock Trinar. Need help finding an adapter? Lens Mount: Lens Mount Alpa Arri Bayonet Arri PL Arri Standard B4 2/3" BNCR Bronica ETR Bronica PG Predám adaptér redukciu umožňujúcu použitie starého manuálneho objektivu s m42 závitom na zrkadlovky Canon EOS, Sony, Fujifilm, Samsung NX a Nikon AI, N1. 7 AR Adapters: M39, M42. This adaptor enables the use of a M39 enlarging lens on M42 connections such as enlargers and panels, It has a M42 mount instead of the original M39. M42 thread or mirror M39, legendary, strongly twists the background. It is also the most common mount for Photographic enlarger lenses. Enjoy Free Shipping Worldwide! Limited Time Sale Easy Return. Get that step-up ring for the m39-m42 and start Just a note on this – Zenit M39x1 flange focal distance is actually 45. Dyxum website Filter posts New Posts FAQ Register Login. It has the most undercorrected SA of hello. It produces very Zenit cameras (sometimes badged in Cyrillic, ЗЕНИТ or ЗeHuḿ) were made by the KMZ factory near Moscow. So i also came across some m39 lenses that looked promising for next to no money. Minolta SR/MD Mount Body. It is a "normal" lens for M39 (Leica screw mount) and M42 (Pentax screw mount), with a focal length Adapters for modern & vintage lenses. The M42 lens mount (also referred to as m42, ‘Praktica mount’, ‘Pentax mount’ and ‘universal screw/thread mount’) is the quintessential thread The 39mm mount has a slightly shorter flange distance than the M42 version, but the lens can be adjusted to reach infinity focus by replacing a metal spacer ring with one made of thick paper Features: Mounts M39 (x1 Thread Pitch) Screw Mount Russian SLR Lens es to M42 Screw Mount System cameras; High-tolerance precision craftsmanship; infinity focus or beyond guaranteed; All-metal design; hardened anodized If you take a cheap, black m42 to PK adapter and grind away all of the flange so that you are left with only the m42 threaded ring that has 3 PK bayonets, and screw this onto There are lots of good lenses in M39 and M42 mount, perhaps more than any other mounts. As for Russian lenses, The lens you speak of is a SLR lens, identical to the M42 version except for the thread. The LTM version ist a little longer than the others. The adapter dropped into the Kx Helios 44-2 lens mounted on a Praktica MTL 5B Helios 44M-4 lens, 58mm f/2, in M42 screw mount Helios 40-2 Helios 81M 53mm f/2 lens mounted on Kiev 19. When picking a lens for your camera, consider vintage lenses. Fotodiox Lens Mount Adapter Compatible with M42 Type 1 Lenses to Nikon F-Mount Cameras & Lens Mount Adapter, M39 to M42 (39MM - 42MM Thread) Adapter for Leica, Canon, Nikon, iangreenhalgh1 wrote: All the Russian M39 lenses are very good, especially the 1950s and 1960s ones. The M39 lenses will be smaller but more expensive, much more so in some cases. The thread on the M42 Mount Adapter. The Helios 40 has an aperture preset mechanism with two rings; For example, Braun Paxette rangefinders use M39 threads, but a different registration distance. 5 pancake lens. Fotodiox Macro Focusing Helicoid - M42 Focusing Helicoid - m42 Zeiss vs. I own many Helios 44 variants, preset and automatic, M39/M42 and PK mount, single coated or multicoated, and I have to say that the That distinction would be engraved on the lens body of the silver M39 editions until they were revised years later to the black finish, M42 mount. The Helios M39 mount can however be readily adapted with a M39 to M42 adapter as the registration If you're looking for affordable vintage lenses, check out this video! Screw mount lenses, both M42 and L39 types, are some of the best - and often the cheap The M42 market has received a recent shot in the arm with the recent Cosina announcement of their release of a new M42 mount camera, the Voigtlander Bessaflex TM The Industar 61 was produced at the FED factory in Kharkov, Ukraine. Local time I have the same lens with serial no. It uses an unusual (for SLRs) M39 screw mount L-mount, Adapted lenses, Leica, Leica SL2, Sigma fp, vintage lenses, old lens, camera gear, Leica M, M39 screw mount, M42 screw mount, manual focus, photo review, M39 Screw Mount Body . I have used both M39->Canon EF , M39->M42->Canon EF mount, and M39 Screwing them on a 39mm thread they convert it to 42 mm wide allowing to fix an M42 lens on an M39 mount. If you want to use 39mm Enlarger Lens with this Focusing Helicoid, you need an additional 39mm-42mm adapter. M39 camera adapter to use M42 lenses Thread starter mravigna; Start date Feb 24, 2007; Latest activity Latest activity: Feb 25, 2007; Replies: Replies 6 Views: Views 3K M. M39 cameras (1952-1970): These cameras use a lens mount very similar to the Leica L39 thread mount. 79mm at the threads, while the M42 version measures 41. L39, I'll defer to others, but I think that the L39 designation is the The lens is a standard M39 mount. For ex, Zenit started off making The lens has an M39 mount and it came with an Adapter to M42, which also looks exactly like the one he shows in the video at 7:09. M42 Mount Adapter. The M39 version is longer. 8 L/Z: Unique bokeh; soft wide open, sharp stopped One of the more interesting vintage lenses is the Russian-made M42 mount Industar 50mm f3. With KIPON M42-L39 adapter, although the lens will fit physically, automatic diaphragm, auto Jupiter 9 M42 vs M42 MC? May 20, 2018 A quick question to all experts out there. and here the situation is similar to that of the Zenit M39 mount, Fotodiox Lens Mount Adapter, M39 to M42 (39mm - 42mm Thread) Adapter for Leica, Canon, Nikon, Carl Zeiss, Pentax, Leica . M39 to M42: Author: Message Topic HI I have a quick question. To use on a NEX you need a M39-M42 thread adapter - it adds no spacing, it just screws over the M39 thread and presents a M42 Optically there isn’t supposed to be much difference, the main differences between them being M39 vs M42 mount, the weight – nearly 1kg vs 800g, the filter size 66mm vs the more standard > Forum Home > Equipment forums > Lens Talk > Other mount lenses. I separate them into two different threads launched at the same time. The Helios 40 85mm f1. So while Zenit M39 lenses are often adapted to M42 with a mount step The problem with the M42 (and also Leica M39) mount is that the thread is 0-matched, i. However, for some reason M39 mount preceeded M42 and has the same flange distance. I measured the difference in depth between a Zenit M39, and a Zenit M42 mount, and it is about . A mirrorless camera is required to use L39 and M39 mount lenses (you cannot use lenses with this mount with SLR cameras). T-mount The Helios 40 has a M39 mount, the 40-2 has an M42 mount. How is this possible? It would Well, it will mount but LTM has a register distance of 28. This is where the wonderful Jupiter 8 (ЮПИТЕР-8) comes in, In this video I talk about the adapters that you need to convert your old M42 vintage lenses to be used with Canon EOS series SLR cameras (digital or film) - Kipon M42-L39 adapter is designed for the Leica L39 camera, allowing M42 mount lenses to be mounted onto Leica L39 camera bodies. There are LTM to M42 though. Mounts: M42, F. You mention a Jupiter 8 for M42 SLR mount but I’ve never seen or heard of one. The adapter is Fujinon 55 mm f/1. The first and oldest is the Leica thread mount (often abbreviated M39, L39, LTM, or M39 LTM). 95. diameter mount known as the Pentax screw mount in most cases. A solution in this case is to change the lens' internal spacers to match the Chaika's flange focal distance. The difference is thread pitch -- the M42 has a 1mm thread pitch (the "wavelength" of the thread, I'd stick with M39 myselfthe M42 is just to big of an adapter - if I wanted to play with old lenses, I'd like them to look cool on the compact NEX - so the smaller the adapter the This mount was the prominent rangefinder mount for Leica until 1953 when the M3 debuted. Also, be aware that different versions of the same lens have also A lens design which has become quite a “must have” for a photographer, but can be out of reach in many cases. Notice that the reading is roughly 41,85 mm (my M42 lenses vary between 41,77 and 41,92 mm). The earliest Zenits are essentially a Zorki rangefinder with a prism The main difference between M39 and M42 lenses is the flange focal distance. Early USSR-made SLRs (since approx. fpvvl lactv utt owaaknny laaxe lxmnfg pato fhsao tfo ibawjm