ubansl Posted June 1, 2016 Share #1  Posted June 1, 2016 Advertisement (gone after registration) I am having a Telyt 200 f4 lens for my viso111.Generally I see ads for F4.5 but not F4 aperture. Is it different and how good is it against Telyt200 f4.5? Quote Link to post Share on other sites More sharing options...
Advertisement Posted June 1, 2016 Posted June 1, 2016 Hi ubansl, Take a look here Telyt 200. I'm sure you'll find what you were looking for!
Orient XI Posted June 1, 2016 Share #2  Posted June 1, 2016 The Telyt 200mm f/4.5 is a pre-WW2 lens and the early production is uncoated. This means that its images are of lower contrast; when used for distant views (the usual reason for buying a lens whose focal length is >135mm) this is a disadvantage as the views themselves are of low contrast. The definition of the f/4.5 lens falls off towards the corners more rapidly than it does with the later f/4.0 lens. The f/4.0 lens is slightly heavier. Both lenses require an OUBIO adaptor to fit on the Visoflex III since they have a screw thread and the Visoflex III has a bayonet mount. The problem when using either lens is that their 200mm focal length magnifies the image by 4× over a standard lens; the bad news is that they similarly magnify the photographer's mistakes in focussing or holding the camera steady by the same factor. It is possible to use either lens hand held but better results are obtained when a tripod or a monopod is used. It is not advisable to use shutter speeds of less than 1/250 sec. (or even 1/500 sec. in digital photography) when using any 200mm lens without support. The OUBIO adaptor has a tripod screw socket in its foot for this purpose. I have another warning for you — once you start using Telyt lenses you always want the next longer focal length! I started many years ago with the 200mm f/4.0 Telyt, I have now two 560mm Telyt lenses and am looking for an 800mm Telyt. Don't let me put you off, telephotography is rewarding and fun. Good luck in exploring this branch of photography. 2 Quote Link to post Share on other sites More sharing options...
tobey bilek Posted June 2, 2016 Share #3  Posted June 2, 2016 The Telyt 200mm f/4.5 is a pre-WW2 lens and the early production is uncoated. This means that its images are of lower contrast; when used for distant views (the usual reason for buying a lens whose focal length is >135mm) this is a disadvantage as the views themselves are of low contrast. The definition of the f/4.5 lens falls off towards the corners more rapidly than it does with the later f/4.0 lens. The f/4.0 lens is slightly heavier. Both lenses require an OUBIO adaptor to fit on the Visoflex III since they have a screw thread and the Visoflex III has a bayonet mount. The problem when using either lens is that their 200mm focal length magnifies the image by 4× over a standard lens; the bad news is that they similarly magnify the photographer's mistakes in focussing or holding the camera steady by the same factor. It is possible to use either lens hand held but better results are obtained when a tripod or a monopod is used. It is not advisable to use shutter speeds of less than 1/250 sec. (or even 1/500 sec. in digital photography) when using any 200mm lens without support. The OUBIO adaptor has a tripod screw socket in its foot for this purpose. I have another warning for you — once you start using Telyt lenses you always want the next longer focal length! I started many years ago with the 200mm f/4.0 Telyt, I have now two 560mm Telyt lenses and am looking for an 800mm Telyt. Don't let me put you off, telephotography is rewarding and fun. Good luck in exploring this branch of photography.  ++  Pretty accurate.     1 Quote Link to post Share on other sites More sharing options...
George Stoichev Posted January 2, 2022 Share #4  Posted January 2, 2022 I have Leica m6 classic with 0.72 I’m interested to buy Telyt 200mm f/4 But I don’t know what exactly need to see thru viewfinder? Quote Link to post Share on other sites More sharing options...
a.noctilux Posted January 2, 2022 Share #5  Posted January 2, 2022 18 minutes ago, George Stoichev said: I have Leica m6 classic with 0.72 I’m interested to buy Telyt 200mm f/4 But I don’t know what exactly need to see thru viewfinder? If you are after one of these, you need Visoflex II or III which transform Leica M to SLR (sort of ...) https://www.l-camera-forum.com/leica-wiki.en/index.php/F_%3D_20_cm_1:4_Telyt Welcome, dear visitor! As registered member you'd see an image here… Simply register for free here – We are always happy to welcome new members! https://www.l-camera-forum.com/leica-wiki.en/index.php/Visoflex_II https://www.l-camera-forum.com/leica-wiki.en/index.php/Visoflex_III Quote Link to post Share on other sites Simply register for free here – We are always happy to welcome new members! https://www.l-camera-forum.com/leica-wiki.en/index.php/Visoflex_II https://www.l-camera-forum.com/leica-wiki.en/index.php/Visoflex_III ' data-webShareUrl='https://www.l-camera-forum.com/topic/261094-telyt-200/?do=findComment&comment=4343895'>More sharing options...
Michael Geschlecht Posted January 3, 2022 Share #6  Posted January 3, 2022 (edited) Hello George, Welcome to the Forum. Lenses longer than 135mm generally need a supplementary viewing & focusing system to be used on screw mount & "M" Leicas. Along with the Visoflex II, IIa & III that Arnaud suggested above there is also the Visoflex I. Which the Telyt f4.5 was originally designed to be used with. This combination requires NO intermediary adapters such as the OUBIO, later called 16466. The Telyt f4.0 is also usable on the Visoflex I without an additional adapter. Visoflex I's are more usable on a tripod. All Visoflexes have tripod sockets. It is better to attach longer lenses to a tripod with the lens's own tripod sockets, when they are provided. Best Regards, Michael Edited January 3, 2022 by Michael Geschlecht Quote Link to post Share on other sites More sharing options...
jaapv Posted January 3, 2022 Share #7 Â Posted January 3, 2022 Advertisement (gone after registration) Be aware, however, that an image cropped from for instance a Tele-Elmar 135 will be of superior quality to the Telyt 200. Quote Link to post Share on other sites More sharing options...
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