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Found 8 results

  1. We already have a very extensive 'Mandler Magic' topic, but as much I am keen on Mandler's signature look and his contribution to the "Leica glow", there is another very distinguished gentleman in the 'House of Leica' that as a leader of Leica's optical design team since 2002 gave us a bunch of new high performance M-Lenses and pushed the terms FLE, ASPH and APO towards modern Leica perfection. He was the guy that had the balls to say Dr. Mandler's 75mm Summilux 1.4 was his *least* favorite design and went on to "Make Summilux great again" - all the way down to 21mm. Show us some of the "clinical look" of the Peter Karbe magic and do tell what lens he designed is your favorite...
  2. Apart from the $300 Leica service, one way to get lenses coded is to replace the flange, or send it away for coding to a third party. This led me to do some research on flanges. There is a Chinese vendor offering what I call Type I flanges, and also Type II ones. Here is what I found out. Note that:- All measurements in degrees clockwise from the centre of the key as viewed looking at the rear of the lens. Measurement are approximate and have been rounded to what appears to be the nearest whole number. All flanges come in three variations for 28/90, 50/75, or 24/35 viwefinder frame lines. 6-bit code start 115 finish 142 Type I flanges These appear to be on all digital era lenses as the screws don't invade the code area. Six screws at 40 80 160 210 275 340 Type II flanges Examples I have seen include Product Year 11815 1982 Summilux 75mm f/1.4 11800 1973 Tele-Elmarit 90mm f/2.8 11134 1991 Elmarit 21mm f/2.8 Six screws at 60 72 36 72 72 36 Note that the second screw sits right in the 6-bit code area and looks like a "1" to the sensor. Thus uncoded lens with type II flange looks to have code 000100. Which is great if it is the 90mm above, but a problem elsewhere. Type III flanges I have only seen one. Product Year 11817 1968 Summicron II 50mm f/2.0 Five screws at 45 135 225 270 315 Again, the second screw sits right in the 6-bit code area and looks like a "1" to the sensor. Worse though, if that screw is omitted, there will be a full 180 degrees without one. I'm not sure if the flange would stay flat and square under such circumstances. Type O flanges I call them this as they have no screws at all in the face of the flange This makes it difficult to remove. I think all the early lenses were made like this Examples are Product Year 11631 1955 Elmar 90mm f/4.0 11870 1967 Summilux 35mm f/1.4 - (this has screws around the edge of the flange) 11118 1953 Summicron (I) 50mm f/2.0 11850 1961 Elmar 135mm f/4.0 16464 OTZFO M-mount for Visoflex lens heads also the Voigtlander 12mm Ultra-Wide Heliar (are all Voigt. flanges screw-free?) I hope this helps.
  3. I just watched this video by Tony Northrup about full frame vs smaller lenses. He makes some good points about the larger lenses collecting more light due to 'basic physics' But this also has me wondering about M series lenses which traditionally have very good quality ratings despite their small size - where is the trade off? I feel like I am missing something in the way that lens size applies to a rangefinder?
  4. Here's a question for M camera photographers (film or digital): If you were to choose to work with just one M lens, which would you choose and why? Which focal length? Which maximum aperture? Is the one camera, one lens approach a valid approach or is it an unnecessary limitation? Thanks for sharing your thoughts on this! 😉
  5. What are your cravings, needs, wishes and desires regarding M lenses that do not exist yet? 21mm Summicron? Perhaps a 24mm Summicron? A brand new and Karbe - updated 75mm f1.4 Summilux? A new line of affordable budget M lenses? Some vintage revivals? Share your thoughts - within reason of course.
  6. Here's a new video that will help create M lens GAS (as if any of us need help in that area). The Art of the Leica M Lens with Peter Karbe https://vimeo.com/392151658
  7. M lenses: How often do they need a CLA or overhaul? I Google searched that question and could find no definitive answer. I have searched this forum and found no answer, definitive or otherwise. Some M users say an M camera should be overhauled once for every ten years of average use (however you define average use) - more often for rampant shooters like photojournalists who may make 100,000 or more images in a year (yes, I know that precious few photojournalists work with M cameras these days). In thinking about this, it occurred to me that M cameras have significantly more moving parts and more total parts that can malfunction/break/wear out than M lenses do. So does the ten year suggestion apply to lenses, too? Or is "if it's not broken, don't try to fix it" the principle to apply to CLAs or overhauls for lenses?
  8. I have asked the ChatGPT AI bot to describe Leica M lenses with precision. Here is what it wrote. Lots of solid facts, some complete nonsense. "Leica M lenses are widely considered some of the best and most sought-after lenses in the photography world. These lenses are designed and crafted by Leica, a German company with a long history of producing high-quality optics. In this essay, we will explore the key features and benefits of Leica M lenses and why they are so highly valued by photographers. One of the most notable features of Leica M lenses is their exceptional image quality. These lenses are made with the highest-quality materials and are constructed with precise tolerances, which results in sharp, clear images with minimal distortion. The lenses are also designed to produce beautiful bokeh, which gives photos a dreamy, out- of-focus background that can add depth and dimension to your shots. This is especially important for portrait and street photographers who want to isolate their subject from the background. Another great feature of Leica M lenses is their compact and lightweight design. These lenses are perfect for photographers who want to travel light and don't want to lug around heavy equipment. They also make it easy to quickly compose and shoot a photo, which can be particularly useful for street photographers or other types of photographers who need to move fast. The compact design of the lenses also makes them easy to handle and provides a better grip while holding the camera. Leica M lenses are also known for their durability. These lenses are built to last and are designed to withstand the demands of professional use. They are also weather sealed, making them ideal for photographers who shoot in inclement weather conditions. This allows photographers to shoot in any weather condition without worrying about damaging their equipment. Another important aspect of Leica M lenses is their versatility. These lenses can be used in a variety of photography styles and genres, from street photography to landscape, portrait, and event photography. They are also compatible with a wide range of cameras, including digital and film cameras. This allows photographers to use the same lens with different cameras, making it a great investment. In conclusion, Leica M lenses are some of the best lenses on the market, due to their exceptional image quality, compact and lightweight design, durability, and versatility. They are perfect for photographers of all levels who want to take their photography to the next level. Whether you're a professional photographer or just starting out, a Leica M lens is a great investment that will help you take your photography to the next level."
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