Archived posting to the Leica Users Group, 2008/01/10

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Subject: [Leica] Obsolete Standards Question
From: pjleeson at mchsi.com (Philip Leeson)
Date: Thu Jan 10 14:04:47 2008
References: <003401c853d0$a2b4ccc0$e81e6640$@net> <a3f189160801101356g5d052035k9b22da75770d53be@mail.gmail.com> <47869558.5000105@tele2.fr>

<http://pheugo.com/cameras/westonmtr/westonmtr.html>

On Jan 10, 2008, at 3:59 PM, Philippe AMARD wrote:

> How does that compare with DIN?
> phx
> Sonny Carter wrote:
>
>> I think the formula is  Weston  0.8 x ASA  (ISO)
>>
>> On 1/10/08, Jim Shulman <jshul@comcast.net> wrote:
>>
>>> I've been pouring through some vintage photo magazines recently,  
>>> and have
>>> seen film speeds referenced as Weston readings.  Does anyone have a
>>> conversion chart of Weston to latter-day ISO ratings?
>>>
>>>
>>>
>>> Thanks,
>>>
>>> Jim Shulman
>>>
>>> Bryn Mawr, PA
>>>
>>>
>>>
>>>
>>> _______________________________________________
>>> Leica Users Group.
>>> See http://leica-users.org/mailman/listinfo/lug for more information
>>>
>>>
>>
>>
>>
>>
>
>
> _______________________________________________
> Leica Users Group.
> See http://leica-users.org/mailman/listinfo/lug for more information


In reply to: Message from jshul at comcast.net (Jim Shulman) ([Leica] Obsolete Standards Question)
Message from sonc.hegr at gmail.com (Sonny Carter) ([Leica] Obsolete Standards Question)
Message from philippe.amard at tele2.fr (Philippe AMARD) ([Leica] Obsolete Standards Question)