philcycles Posted April 1, 2014 Share #41 Posted April 1, 2014 Advertisement (gone after registration) I've never used it myself in 40 years but sometimes I carry a viewfinder like a Nikon zoom or any one really. They're easy to find on ebay if you a user. More useful to me. Link to post Share on other sites More sharing options...
Advertisement Posted April 1, 2014 Posted April 1, 2014 Hi philcycles, Take a look here Eliminating the frame selector was a Huge mistake. I'm sure you'll find what you were looking for!
Nick_S Posted April 1, 2014 Share #42 Posted April 1, 2014 Removing the lever was a mistake; not so much for previewing other lenses field of view:I use the level on my M6,M9,MM as a horizontal level or vertical edge alignment aid. I also use the lever to check horizontal and vertical lines in the image. For this reason I have also got to like the 50-75 pair of frame lines which are like grid lines. If I am using a 35mm lens I can switch in the 50-75 pair with the frame-line level for a quick level check. On a related note, I wish Leica would up-date their 21mm viewfinder to include 24mm framelines, as Voigtländer have done with their finder. The current M8 cropped sensor markings correspond to 28mm which are largely redundant. Nick Link to post Share on other sites More sharing options...
keithlaban.co.uk Posted April 1, 2014 Share #43 Posted April 1, 2014 With the puzzling absence of a grid screen then the more lines the better. Firmware update please! Link to post Share on other sites More sharing options...
lct Posted April 1, 2014 Share #44 Posted April 1, 2014 [...] the more lines the better. Firmware update please! Thanks no thanks. Link to post Share on other sites More sharing options...
swamiji Posted April 1, 2014 Share #45 Posted April 1, 2014 It IS a mechanical link. The bayonet lug triggers the relevant frames - moving focal length on the MATE moves the same part. Coding provides the exif data (I think there's also a switch linked to the frame selector). It's possible to change the way the frames work, but not without redesigning the way the lens works with the camera which would mean all the current/old lenses wouldn't work & would require manual selection. Then explain why when I have my MATE set to 28mm, the exif info says 28mm, when I set my lens to 35mm the exif info says 35mm, and when I set my lens to 50mm the exif info says 50mm? All the same 6-bit code! The camera processor knows what lens is mounted beyond just the code, it also knows electronically what frame is selected. So why not use this information in the presentation of the frame lines too? Link to post Share on other sites More sharing options...
earleygallery Posted April 1, 2014 Share #46 Posted April 1, 2014 Then explain why when I have my MATE set to 28mm, the exif info says 28mm, when I set my lens to 35mm the exif info says 35mm, and when I set my lens to 50mm the exif info says 50mm? All the same 6-bit code! The camera processor knows what lens is mounted beyond just the code, it also knows electronically what frame is selected. So why not use this information in the presentation of the frame lines too? Read what I said. Coding tells the camera the MATE is fitted. There's a simple micro switch fitted inside, triggered by the mechanical frame selection mechanism which confirms which focal length is selected. It's a bit of a heath robinson solution, but it works. I'm not sure it could be easily modified to trigger fully electronic frame lines. Maybe, maybe not. Link to post Share on other sites More sharing options...
swamiji Posted April 1, 2014 Share #47 Posted April 1, 2014 Advertisement (gone after registration) Read what I said. Coding tells the camera the MATE is fitted. There's a simple micro switch fitted inside, triggered by the mechanical frame selection mechanism which confirms which focal length is selected. It's a bit of a heath robinson solution, but it works. I'm not sure it could be easily modified to trigger fully electronic frame lines. Maybe, maybe not. It's a bit more than that, If you miss code a lens, with a code that is incorrect for the frame lines, it's not recognized. I tried that with a M-coder kit. Link to post Share on other sites More sharing options...
jdlaing Posted April 1, 2014 Share #48 Posted April 1, 2014 Then explain why when I have my MATE set to 28mm, the exif info says 28mm, when I set my lens to 35mm the exif info says 35mm, and when I set my lens to 50mm the exif info says 50mm? All the same 6-bit code! The camera processor knows what lens is mounted beyond just the code, it also knows electronically what frame is selected. So why not use this information in the presentation of the frame lines too? Look at the mount on your MATE. See the extra little tab that is not there on your other lenses? Link to post Share on other sites More sharing options...
earleygallery Posted April 1, 2014 Share #49 Posted April 1, 2014 It's a bit more than that, If you miss code a lens, with a code that is incorrect for the frame lines, it's not recognized. I tried that with a M-coder kit. The code simply tells the camera which lens is fitted. It has nothing to do with the frame lines. Link to post Share on other sites More sharing options...
swamiji Posted April 1, 2014 Share #50 Posted April 1, 2014 Look at the mount on your MATE. See the extra little tab that is not there on your other lenses? Right, and that moves the frame selector switch, which tells the M what frame line to engage, and what EXIF to enter. Link to post Share on other sites More sharing options...
swamiji Posted April 1, 2014 Share #51 Posted April 1, 2014 The code simply tells the camera which lens is fitted. It has nothing to do with the frame lines. But it could, all the parts are there. Link to post Share on other sites More sharing options...
earleygallery Posted April 1, 2014 Share #52 Posted April 1, 2014 Right, and that moves the frame selector switch, which tells the M what frame line to engage, and what EXIF to enter. No, the frame selector selects the frame, which is moved by the lug on the lens bayonet. This is a mechanical link between lens bayonet and the viewfinder. Coded lenses tell the (digital) M's which lens is fitted. That gets recorded in the exif data. The switch only works when the MATE is fitted, because there's no other way of the camera knowing which focal length was fitted. Link to post Share on other sites More sharing options...
swamiji Posted April 1, 2014 Share #53 Posted April 1, 2014 The switch only works when the MATE is fitted, because there's no other way of the camera knowing which focal length was fitted. The switch always works. Switches rarely only works in one circumstance. It's easer to design a switch and ignore it's output than to design a switch that only works with one 6-bit code. Link to post Share on other sites More sharing options...
earleygallery Posted April 1, 2014 Share #54 Posted April 1, 2014 The switch always works. Switches rarely only works in one circumstance. It's easer to design a switch and ignore it's output than to design a switch that only works with one 6-bit code. OK to be pedantic about it, the switch might work but it's not relevant with fixed focal length lenses as far as I'm aware. You might like to read the thread about the M8 stripdown. Link to post Share on other sites More sharing options...
swamiji Posted April 1, 2014 Share #55 Posted April 1, 2014 OK to be pedantic about it, the switch might work but it's not relevant with fixed focal length lenses as far as I'm aware. You might like to read the thread about the M8 stripdown. It's not relevant because the firmware makes it so. I have, it was very fascinating. But then I played around with the M coder kit. Link to post Share on other sites More sharing options...
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