Archived posting to the Leica Users Group, 2006/08/29

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Subject: [Leica] Digital enlargement & enlightenment, please
From: lew at fastmail.fm (Lew)
Date: Tue Aug 29 03:59:18 2006

Wasn't there a color shot of a woman on a sofa? 

-----Original Message-----
From: lug-bounces+lew1716=optonline.net@leica-users.org
[mailto:lug-bounces+lew1716=optonline.net@leica-users.org] On Behalf Of 
mitcha@mac.com
Sent: Monday, August 28, 2006 12:03 AM
To: leica-users
Subject: [Leica] Digital enlargement & enlightenment, please

Lew:

Thanks.

> What's the significance of applying/not applying noise reduction?   
> What would have happened if you had warmed up the skin tone of the 
> woman sitting on the sofa?

Noise reduction is applied using Photoshop plugins such as Noise Ninja or 
NeatImage, which reduce the "grain"
somewhat -- if you push this too far, you destroy detail. It's a matter of 
taste of how much grain you want --
indeed the digital noise of the Ricoh GR-D looks very much like film grain 
in B&W -- similar in concept to
darkroom developing and printing, where you can accentuate of reduce grain 
by the choice of developer or
contrast in printing. For example,  in the picture of the woman in the 
spectacle shop (third picture) I
applied a bit of noise reduction because the picture (shot at ISO 800) has a 
lot of grain, but the version
without noise reduction also looks good; as I said: a matter of taste. On 
the other hand, in the picture of
the woman standing with a mannequin in the shop window (fifth pciture), I 
did not apply any noise reduction
because this picture has less small detail, and noise removal made some 
parts of the photo too smooth, such as
the reflection of the mannequin on the left wall of the shop -- again a 
matter of taste.

By "woman sitting on the sofa", do you mean the picture of the woman reading 
a newspaper or the one of the
woman (and man) sleeping at the railway station? In either case the JPG 
files that you are viewing
<http://www.flickr.com/photos/10268776@N00/> are grayscale, so any toning 
would not show up. But I print using
a RIP called ImagePrint which does allow toning -- and, again, the tone you 
choose is a matter of taste.

--Mitch/Bangkok

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