Archived posting to the Leica Users Group, 2011/09/08

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Subject: [Leica] IMG: Learning to Use Histograms
From: jhnichols at lighttube.net (Jim Nichols)
Date: Thu, 8 Sep 2011 10:15:10 -0500
References: <97D0CBAD4B7646E0BBDCAE73974C4E25@jimnichols> <CA+yJO1CUvrACN3N7Y3XCWwoxia_j94z76gs_ZQ535HDaXYmTfQ@mail.gmail.com>

Thanks, Tina.  That looks very interesting.  It will take me a while to read 
it and understand it all.

Jim Nichols
Tullahoma, TN USA
----- Original Message ----- 
From: "Tina Manley" <images at comporium.net>
To: "Leica Users Group" <lug at leica-users.org>
Sent: Thursday, September 08, 2011 9:39 AM
Subject: Re: [Leica] IMG: Learning to Use Histograms


> I've been reading about histograms and found this very interesting:
> http://schewephoto.com/ETTR/index.html
>
> ETTR - Expose to the Right for best signal to noise ratio.  I've tried it
> with several experiments and it's amazing how much slight overexposure can
> help with noise in the shadows.  There are other sites trying to disprove
> ETTR but I've found it works for me.  Looks like that's what you've done
> with this one, too.
>
> Tina
>
> On Wed, Sep 7, 2011 at 7:40 PM, Jim Nichols <jhnichols at lighttube.net> 
> wrote:
>
>> My posting of the late Rose of Sharon image led to discussions on the Oly
>> list about proper exposure.  I have seldom used the histogram to adjust
>> exposure when making pictures.  I have used it as an indication of proper
>> levels in the post-processing of the image.
>>
>> I went out to try to find the best exposure adjustment for a similar 
>> image.
>>  I ended up using EV +1/3 on the E-1 for this image.
>>
>> http://gallery.leica-users.org/v/OldNick/Improved+Histogram.jpg.html
>>
>> I now look forward to a sunny day (next week maybe?) to see if I can find
>> what works under those lighting conditions.
>>
>> Comments and critiques welcomed.
>>
>> Jim Nichols
>> Tullahoma, TN USA
>>
>> _______________________________________________
>> Leica Users Group.
>> See http://leica-users.org/mailman/listinfo/lug for more information
>>
>>
>
>
> -- 
> Tina Manley, ASMP
> www.tinamanley.com
>
> _______________________________________________
> Leica Users Group.
> See http://leica-users.org/mailman/listinfo/lug for more information
>
> 




In reply to: Message from jhnichols at lighttube.net (Jim Nichols) ([Leica] IMG: Learning to Use Histograms)
Message from images at comporium.net (Tina Manley) ([Leica] IMG: Learning to Use Histograms)