[filmscanners] Re: Scanning chromogenic (for Ed Hamrick)

[TonySleep@halftone.co.uk]

On Sat, 02 Feb 2002 02:54:28 -0800  Arthur Entlich (artistic-1@shaw.ca)
wrote:

> If Ed's method is a standard, then most scanners use averaging of the
> RGB scan when they do a greyscale scan, which I suspect is also how
> Photoshop creates a greyscale mode image from RGB.

ISTR PS uses unequal proportions of each channel which are supposed to be
a general-purpose setting for converting colour images to greyscale. There
is somewhere a means of setting the percentages. I'm sure I've seen it...
one of those 'surprise' key combos you discover by accident: 'bloodyhell, I
never knew it did that!' :)

Regards

Tony Sleep
http://www.halftone.co.uk - Online portfolio & exhibit; + film scanner info
& comparisons
----------------------------------------------------------------------------------------
Unsubscribe by mail to listserver@halftone.co.uk, with 'unsubscribe 
filmscanners'
or 'unsubscribe filmscanners_digest' (as appropriate) in the message title or 
body