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Found 3 results

  1. My video is based on a Zoom talk which I gave to the Photographic Collectors Club of Great Britain last Sunday. This was a development of an article of mine which had appeared earlier in the magazine of The Leica Society (UK). This traces the fact that the very first Leicas with interchangeable lenses were conversions done in Britain in the late 1920s, even before Leitz/Leica offered the same features on Leicas made in Wetzlar. These used Meyer (German) and Ross and Dallmeyer (both British) lenses. Some of the features of the British conversions were subsequently used by Leitz/Leica. Leica then adopted the wider LTM M39 mount and the British Manufacturers adapted to this with their later production. Some of the images from my talk are below William
  2. The first interchangeable lenses, as we know, were the non-standardized lenses for the early (2995 made) Ic non-standard cameras. They carried the whole or partial serial number of the camera on the lens depth of field ring. By 1931 the lens flange to film distance was standardized, and these new lenses were marked with a small "o", again on the depth ring. Early lenses could be returned, with camera, for "standardization", and the "o" was added but the match number was normally not removed. With the non-standard lenses, Leitz had the 35 Elmar, 50 Elmar, 50 Hektor and the 135 Elmar. Before Rangefinder coupling, before lens serialization, before infinity lock devices, before the 47mm flange, 11 O'clock standardized lenses were produced with the "o" mark. I believe the earliest of these lenses had an "o" on both the depth ring and also on the rear of the lens flange. Here is photo of 5 of the first lenses, all uncoupled, no serials, no infinity locks. The next photo shows a close up of the 35, and 50's back flange with the additional "o", ( look closely). From my checks, this second "o" was not used long, and does not appear on lens with serials,or infinity locks. The 135, added the "o" to the arrow at the base, but it is not on the rear of the flange. The 90 Elmar was not introduced until the standardized camera and is not seen with the compatibility number, or "o" mark, but is sometimes uncoupled as as the coupled camera was not until Feb. 1932. So, all 90 Elmars are standardized from the first, my theory. Any additional observations of the rear "o" is welcome, check your early lenses. Any corrections also most welcome. Stay safe.
  3. I have noticed that my Noctilux has two different fonts on the lens. The front and the aperture ring has the same one as all the latest Leica lenses but the body has the previous typeface. The lens has a serial number that one would be normally associate it with a V3 but according to Leica the serial numbers on the wiki are not entirely accurate. This is what Leica can tell me about the lens. Through all my Leica years I haven't seen another lens like this so I am curious to know if anyone else has an Early V4 with the same layout.
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