Best settings to correct Grayscale (black/white) photos
PostPosted: Tue Apr 28, 2015 7:13 pm
by JessiRight
The CCR option works well with my color photos... but I'm not sure which setting to use to correct grayscale and black/white photographs. Are there any auto-correct options for black and white photos?
Thanks!
Re: Best settings to correct Grayscale (black/white) photos
PostPosted: Thu Apr 30, 2015 4:49 pm
by LSI_Ketelhohn
Dear Jessi,
if you click and hold the Auto CCR button you will find several correction types.
You can for example use the auto (without CCR).
B&W images do not seem that complicated because they lack color.
However the scanner always works in RGB mode.
IF you view B&W images in RGB mode (e.g. 48->24 Bit) you will notice that there in deed is some color.
If you are scanning reflective material this might result form aging paper or a reaction of the paper to the light source.
If you are scanning transparencies these are from the emulsion which often show a slight blueish or greenish cast.
So in some cases a CCR function might be suitable.
This mainly depends on your preference.
If you want a pure B&W image switch to a greyscale output like 16->8 Bit.
But you should test how the different automatics work on the image.
A cast as described above might be present in the image the greyscale mode you would not see this.
Yet such a cast might still influence your image.
Kind regards,
Arne Ketelhohn.