Archived posting to the Leica Users Group, 2014/01/29

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Subject: [Leica] Comparing B&W M9/MM
From: lluisripollphotography at gmail.com (Lluis Ripoll)
Date: Wed, 29 Jan 2014 09:19:59 +0100
References: <K9V61n00z0AFV7C019V7m7> <52E71094.5080901@cox.net> <KFu31n00H0AFV7C01Fu4XG> <52E73564.7030807@cox.net>

+1

El 28/01/2014, a las 05:43, Ken Carney <kcarney1 at cox.net> escribi?:

> Thank you, Jay.  That was very helpful.
> 
> Ken
> 
> 
> On 1/27/2014 9:53 PM, Jay Burleson wrote:
>> Ken, out of the camera, the dng from the MM is (if properly exposed) 
>> pretty flat looking.
>> You will find examples all over with no processing done, which show that 
>> flatness.
>> But the dng is so manipulable, you can pull it in any direction to 
>> support the look you want. I'll be posting some examples of that later 
>> tonight.
>> 
>> If you open a MM dng in PS, you will have an 8-bit Greyscale image.
>> I don't use PS for much, I use Lightroom, and when LR exports to a jpg, 
>> it is an sRGB colorspace, so viewing MM and color images on properly 
>> calibrated monitors and most web browsers is the same.
>> 
>> A properly exposed & developed Tri-X neg is generally accepted to have 
>> 13.5 stops of dynamic range.
>> Several sources stated & test that the MM has a dynamic range of approx. 
>> 13 plus stops.
>> Most of that small loss is in the shoulder, in my opinion.
>> 
>> Once you learn to meter and protect the highlights (since there is no 
>> chance of recovery if clipped), there are amazing things that can come 
>> out of the dng.
>> 
>> Jay
>> 
>> On 1/27/2014 6:06 PM, Ken Carney wrote:
>>> The MM image looks flat to me, as you say like TMax compared to TriX.  
>>> Or at least that was my experience with 35mm film.  The MM image is an 
>>> unknown grayscale, and the M9 image is sRGB.  How would that affect the 
>>> comparison, especially as this might affect web display?
>>> 
>>> Question #2: I have been looking again at the dynamic range differences 
>>> between film and digital especially as concerns b&w.  For film, the 
>>> advantage is more room in the shoulder as compared to digital.  How does 
>>> the MM compare there, i.e., range in the shoulder vs. color digital 
>>> cameras?
>>> 
>>> Thx
>>> 
>>> Ken
>>> 
>> 
>> 
> 
> 
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In reply to: Message from kcarney1 at cox.net (Ken Carney) ([Leica] Comparing B&W M9/MM)
Message from kcarney1 at cox.net (Ken Carney) ([Leica] Comparing B&W M9/MM)