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- Path: sparky!uunet!walter!att-out!rutgers!rochester!rit!isc-newsserver!ritvax.isc.rit.edu!ANDPPH
- From: andpph@ritvax.isc.rit.edu
- Newsgroups: rec.photo
- Subject: Re: Negative on Slide
- Message-ID: <1992Nov16.010345.3204@ultb.isc.rit.edu>
- Date: 16 Nov 92 01:03:45 GMT
- References: <1992Nov11.060624.28419@philabs.philips.com>,<7030014@hpunila.MSR.HP.COM>
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- Organization: Rochester Institute of Technology
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- In article <7030014@hpunila.MSR.HP.COM>, rkatos@hpunila.MSR.HP.COM (Ray Katos) writes:
- >Re: inverted slide to negative.
- >I haven't tried it, but one issue to consider is
- >the orange color of all negative film serves as a
- >mask to aid in color balance.
- ...
-
- it is my understanding that the orange mask is there to correct for unwanted
- absorptions of the subtractive dyes. Basically it is a device that counteracts
- deficiencies in real dyes and makes them behave more like perfect dyes.
-
- i think,
- andy
-
-
- * * * * * *
- \/\/\/\/\/\/ Andrew Davidhazy, RIT, High Speed Photography Lab.
- | | IN%"andpph@ritvax.isc.rit.edu" fax 716-475-5804
- _________/ \_____________________________________________________
-