RE: Eye-One Diagnostics
RE: Eye-One Diagnostics
- Subject: RE: Eye-One Diagnostics
- From: Gerry Yaeger <email@hidden>
- Date: Sat, 3 Jan 2004 07:46:25 -0800
Good answer Ray
This issue of backing material material dates back to the days of
reading photographs with a densitometer for calculating halftone
exposures on a process camera. I used to demonstrate this in two ways.
I would hold up a print with the instrument pressed against it and turn
it around to be looking at the bottom, press the button and show how
much light it passing through the print. I would then take readings of
the same area with different backing material, white - black - grey
etc. Of course the reading achieved would be different with each
backing. Back in those days some film manufacturers would package their
films with a heavy protective sheet that was neutral gray. I used to
collect those to use for taking readings on. I still like to use camera
gray cards to read reflective test prints.
Regards,
Gerry Yaeger
www,TheDigitalCoach.com
_______________________________________________
colorsync-users mailing list | email@hidden
Help/Unsubscribe/Archives:
http://www.lists.apple.com/mailman/listinfo/colorsync-users
Do not post admin requests to the list. They will be ignored.