Search found 5 matches

by tomfrh
Mon Feb 08, 2016 7:29 am
Forum: Small gauge film forum
Topic: Removing Orange Mask from Colour Negative Scans
Replies: 82
Views: 213357

Re: Removing Orange Mask from Colour Negative Scans

Haven't read all posts here but is there a less academic approach to the problem?

Initial: The technique which converts neg film to film prints. It gets rid of the orange all together doesn't it?
That would appear to be correct!
by tomfrh
Mon Jan 25, 2016 1:00 am
Forum: Small gauge film forum
Topic: Removing Orange Mask from Colour Negative Scans
Replies: 82
Views: 213357

Re: Removing Orange Mask from Colour Negative Scans

Ok, I read through your recent posts, and Pritchards commentary, and am starting to get it (I think!), and I want to write it down before I forget it: The Magenta layer should only catch Green, but also catches some blue. The more magenta, the more unwanted blue caught. So, if we add yellow (which c...
by tomfrh
Sun Jan 24, 2016 1:15 pm
Forum: Small gauge film forum
Topic: Removing Orange Mask from Colour Negative Scans
Replies: 82
Views: 213357

Re: Removing Orange Mask from Colour Negative Scans

Well, the other "spectral" colours really do have corresponding physical reality, and even though we know the impression of "red" is in fact in our brains, we can at least take solace in the fact that there is a unique frequency out there in the REAL WORLD that it corresponds to....
by tomfrh
Sun Jan 24, 2016 5:29 am
Forum: Small gauge film forum
Topic: Removing Orange Mask from Colour Negative Scans
Replies: 82
Views: 213357

Re: Removing Orange Mask from Colour Negative Scans

Thanks for your answers. You've helped me understand a lot about how this all works. I've been through your photoshop method now, and can do it quite quickly. My understanding is still very limited and fuzzy however. Those film chemists were smart guys! It's like magic. I think that fundamentally yo...
by tomfrh
Thu Jan 21, 2016 7:08 am
Forum: Small gauge film forum
Topic: Removing Orange Mask from Colour Negative Scans
Replies: 82
Views: 213357

Re: Removing Orange Mask from Colour Negative Scans

Carl, Thanks for this information. It's helping me understand this perplexing question of the orange mask! A couple of questions: 1. DO photoshop plugins like colorperfect use your method, or do they use simple resetting white/black points method? 2. What do labs typically do when you get scanned ne...