Archived posting to the Leica Users Group, 2002/03/08

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Subject: Re: [Leica] Digital Back for leica M, Data back for Leica M
From: Mark Kronquist <mak@teleport.com>
Date: Fri, 08 Mar 2002 09:40:29 -0600

The sensors for ISO/ASA and film speed are just contacts on a variable pot.

If speed/ISO is set here change resistance value to X

No logic 

Mark
> Another thought:
> 
> I was last days making a data base of all my negs, and, having some delay,
> some negs have no references. It's such a pain to record all this, and
> having to write every bit of info in the field, for each shot! not a work
> for me! As you know maybe, the Nikon F5 can not only store every info about
> each pictures it takes, but also print it on a frame when you rewind the
> neg. I was so thinking about a data back (I know, with a Leica M, even with
> the M7, you'll never have the diafragm value, neither the focus distance)
> that could print on a frame (on demand) the datas for all the pics, maybe
> just the time and date, some alphanumeric info you could enter for the neg
> (location name, lens used and so on). This would be beter than those ugly
> red marks on the right bottom corner of your pics. Maybe this could only be
> possible with the M7, but the M6 has sensors for speed, and if I remember (I
> will not take a pic of my office to confirm), the leds stop flashing when
> you fire, so, the M6 should be aware of the number of pics taken, or at
> least, this could triger the recording of the speed and time (set and given
> by the data back)
> 
> Well, that's it, quite stupid maybe, or quite common, I don't know, but I
> would like to hear from you all if these backs would be useful, or not, or
> maybe some of you should be able to kill some of my dreams by ingeneering
> advice about these (just to know it's feasable or not is a thing!).
> 
> Thank you
> 
> Greg VDS
> 
> Gregoire Vandenschrick
> Department of Geography
> Université catholique de Louvain
> 3, Place Pasteur
> B-1348 Louvain-la-Neuve
> Belgium
> vandenschrick@geog.ucl.ac.be
> Tel.: ++32 (0)10 47 24 42
> Fax.: ++32 (0)10 47 28 77
> http://www.geo.ucl.ac.be
> 
> 
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