Re: using a scanner as a densitometer? II

Using the scanner as densitometer is described in a very instructive article
by Dick Dickerson and Silvia Zawadzki in the photo guide : Mastering Digital
Photography - witch can be bought for only 4 US $ at :
http://www.phototechmag.com/shop/shopdisplayproducts.asp?id=10

Roman

Denmark (sorry for the cartoons!)

----- Original Message -----
From: <john@johnbrewerphotography.com>
To: <alt-photo-process-l@sask.usask.ca>
Sent: Tuesday, February 21, 2006 6:44 PM
Subject: using a scanner as a densitometer? II

>I would too be interested in knowing how to use a scanner/Photoshop as a
>(reflection) densitometer for testing different papers. I have a
>transmission densitometer which is fine for negs.
>
> J
>
>
> www.johnbrewerphotography.com
>
>
> ----- Original Message -----
> From: "ryberg" <cryberg@comcast.net>
> To: <alt-photo-process-l@sask.usask.ca>; <alt-photo-process-L@usask.ca>
> Sent: Tuesday, February 21, 2006 5:27 PM
> Subject: using a scanner as a densitometer?
>
>
>> I've read a couple of casual mentions of using a scanner as a
>> densitometer.
>> My Epson 3200 reads the density as my choice of 0 to 100% or 0 to 255
>> units.
>> The only way I can think of to get a log density reading is to scan a
>> step
>> tablet as the same time I scan a negative and make comparison of the
>> readouts. Is there another way?
>> Charles Portland OR
>>
>>
>>
>>
>>
>> --
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>>
>>
>
Received on Tue Feb 21 12:05:18 2006