Archived posting to the Leica Users Group, 2009/04/04

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Subject: [Leica] LUG Digest, Vol 41, Issue 124. SCANNING
From: luisripoll at (Lluis Ripoll)
Date: Sat, 4 Apr 2009 18:12:15 +0200
References: <> <> <>

Thanks for the link Bruce,

El 02/04/2009, a las 18:15, leica escribi?:

> If you are not already familiar with the system, may I offer a  
> working example of how your discussions have been made to function,  
> on a larger-sized vehicle:
> I have known Pascal for a good 20 years, helping to sell and  
> demonstrate his products from almost the beginning.
> At the Photokina, about ten years ago, his lighting system had the  
> members of Hasselblad and numerous large name companies, jumping.
> Such dedication and determination merits applause, I feel.
> Bruce.
> On 2-apr-2009, at 5:39, Lawrence Zeitlin wrote:
>> On Apr 1, 2009, at 10:20 PM, Doug wrote:
>>> Lawrence Zeitlin wrote:
>>> a scanning sensor need only cover the frame in
>>> 1/30 to 1/50 second. That's the speed the shutter slit moves in film
>>> Leicas. Rotating the sensor strip would not be a problem at that  
>>> slow
>>> speed. Still a mechanical kludge however.
>>> <<<
>> Doug answered:
>>> Even if the sensor strip could scan at that speed and rotate enough
>>> (variable rotation for a variety of lenses) anyone who wants to use
>>> electronic flash is SOL.  The scan strip would also have to cover  
>>> the frame
>>> at a constant speed, something which mechanical shutter blades  
>>> don't do.
>> Doug,
>> I'm not about to design a full frame Leica. BUT moving a sensor 1  
>> 1/2" at a constant speed is no big deal in this day of linear  
>> motors and electronic speed measurement.  Tilting a sensor a couple  
>> of degrees as it travels is no big deal either. The disc drive in  
>> your computer moves a read/write head to a variety of positions in  
>> a 30 degree arc in a tiny fraction of a second. It is hard to  
>> believe that all the imaginative people in Solms couldn't come up  
>> with a way make a full frame Leica, at least for lenses 50 mm or  
>> longer, perhaps a digital M3. Reserve the M8 for wide angle  
>> fanatics. I'm still hoping for a digital back to replace the film  
>> inspection door on my M series film cameras. If one sold for $1000  
>> or less I'd buy it in a minute.
>> Leica, are you listening? If not, Epson are you listening?
>> Larry Z
>> _______________________________________________
>> Leica Users Group.
>> See for more information
> _______________________________________________
> Leica Users Group.
> See for more information

In reply to: Message from lrzeitlin at (Lawrence Zeitlin) ([Leica] LUG Digest, Vol 41, Issue 124)
Message from leica at (leica) ([Leica] LUG Digest, Vol 41, Issue 124. SCANNING)