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[ot] slide vs neg D was Re: [OM] Kodachrome Scans

Subject: [ot] slide vs neg D was Re: [OM] Kodachrome Scans
From: Acer V <siddim01@xxxxxxxxxxxxxxx>
Date: Sun, 5 Nov 2000 00:42:31 -0800 (PST)
On Fri, 3 Nov 2000 WKato@xxxxxxx wrote:

>In a message dated 11/3/00 11:23:26 AM Pacific Standard Time, 
>cnocbui@xxxxxxxxxxxxx writes:
>> 
>>  Only true of prints from colour negatives.  Colour negatives have a 
>>  greater dynamic range than colour slides, according to Shipman.
>>  
>>  Giles
>>  
>Ed Hamrick, who knows far more than I, writes as follows in the Vuescan help 
>pages. The density ranges of the 2 films are about the same (1 f stop) but 
>the relationship between the scene and the film is different:
>
>"Color negative film is able to capture a much wider range of intensities 
>than slide film, and this creates a problem when scanning negative film.
>
>"Slide film maps a density range of 0:2.7 to an intensity range of 1:500, but 
>negative film maps a smaller density range of 0:2.4 to a larger intensity 
>range of 1:4000."

i've read this a few times, but still can't understand what it means :\
which would yield more info (range) when scanned (same scene, same
exposure, same lens), slide or neg (and does it makes any difference for
color vs. chromogenic vs b/w?) thanks. btw, is kchrome less tolerant of
exposure error vs. regular chromes? and why is there "chrome" in
there? feel free to point me to websites for being very curious <g>

ob-OM-c: spent a roll (w/ and w/o PL) using 28 and 50mm zuiks shooting
fall colors hour prior sunset (lovely warm glow, almost no smog! what
a miracle...and quarter moon was perfectly positioned in the sky; full use
of PL to darken the skies there and saturate the leaves)

/Acer V
--
dum spiro, spero
http://student.ucr.edu/~siddim01


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