Archived posting to the Leica Users Group, 2009/01/21

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Subject: [Leica] Petition for initiating M8 lens identification in firmware
From: grduprey at mchsi.com (grduprey@mchsi.com)
Date: Wed Jan 21 15:18:48 2009
References: <E2C3B2FE-3B3E-4FEF-B466-E0DF0A87832F@mac.com><36172e5a0901201415r11fd39c0k14ca8efb9f33c169@mail.gmail.com><6af76ca00901201531j70e140bcpf7037b6c9e2f8bb1@mail.gmail.com> <E25B306B5B0C460CA494B80611B9ED41@precisionm50>

 
Exactly the reason Leica has refused to do this.


Gene? -------------- Original message from "Bob W" <leica@web-options.com>: 
--------------


> > This would involve a menu of 64 options. 
> 
> Not necessarily. It could involve 2 menus - one to specify the focal 
> length,
> another to specify 'lux, 'cron etc.
> 
> Presumably the purpose of dialling this information in is to allow the
> firmware to weave its magic, as it does when it reads the lens coding.
> However, it leaves the possibility wide open of forgetting to dial in the
> right details when you change the lens, so the firmware would apply the
> wrong magic. The damage this could cause might well outweigh any 
> advantages.
> This possibility does not arise with lens coding.
> 
> Bob
> 
> 
> 
> > Geoff
> > 
> > Lets have a discussion on the option to have a menu option on the M8
> > to override the physical 6-bit coding of lenses. This would involve a
> > menu of 64 options. I have a nice 21mm Zeiss lens I use on my M6TTL
> > and it would be nice to use on my delayed M8 without going through the
> > hoops of some third party engraving appropriate 6 bits notches on the
> > lens mount and messing about with black and white nail polish. Perhaps
> > more to the point I have a number of older Leica lenses, both M and
> > LTM, I would like to use on the M8 (when it arrives) without having to
> > wait weeks if not months for Leica to code them - by the way do they
> > support LTM lenses on the M8?
> > 
> > What I am saying as a Leica User I would find this a very attractive
> > option. Technically it is a trivial option to implement.
> [...]
> 
> 
> _______________________________________________
> Leica Users Group.
> See http://leica-users.org/mailman/listinfo/lug for more information

In reply to: Message from mitcha at mac.com (Mitch Alland) ([Leica] Petition for initiating M8 lens identification in firmware)
Message from hopsternew at gmail.com (Geoff Hopkinson) ([Leica] Petition for initiating M8 lens identification in firmware)
Message from crbirchenhall at googlemail.com (Christopher Birchenhall) ([Leica] Petition for initiating M8 lens identification in firmware)
Message from leica at web-options.com (Bob W) ([Leica] Petition for initiating M8 lens identification in firmware)