RE: digital negative possibilities for gum
For
what it is worth, here is a method to add noise that (I feel) comes closer to
duplicating grain in a silver neg:
1) Add
a New Layer
2)
Fill it with 50% Gray
3)
Adjust the Noise or Film Grain filters until the degree of grain is
achieved.
4)
Change the layer Mode to Soft Light
The
result is more grain in the shadows than in the highlights.
Keith
---Original
Message-----
From: Marek Matusz
[mailto:marekmatusz@hotmail.com]
Sent: Friday, October 20, 2006 8:15
PM
To: alt-photo-process-l@usask.ca
Subject: RE: digital
negative possibilities for gum
Kate
You hit it on target with Photosop. My idea of adding noise was to play
with RGB separatrions so each channel has a different noise pattern. I am goin
to try the bitmaps after I split the channels into RGB.
Marek
From: Kate M <kateb@paradise.net.nz>
Reply-To:
alt-photo-process-l@usask.ca
To:
alt-photo-process-l@usask.ca
Subject: RE: digital negative
possibilities for gum
Date: Sat, 21 Oct 2006 11:41:36
+1300
Hi
all, I used diginegs with silver emulsion some years ago to get grain into
images that were originally shot on 25ASA film - kinda roundabout way of
getting what I wanted (why didn't I shoot in 3200 to start with?) but a
useful experiment. The prints were, in fact, very successful and the
beginning of my experimentation with diginegs. I didn't use bitmaps, though,
I used a monochrome RGB image and added film grain with the filters option
in Photoshop. There are certainly hundreds of ways to skin a cat with
Photoshop.
Kate
In a message dated 10/20/06 2:47:06
PM, marekmatusz@hotmail.com writes:
I find this grain
idea in gum very interesting. I have been thinking of it for a while as
well. I like a grainy or almost pointilistic look of some of the prints
where I have mutilated each of the tricolor layer separately, where the
image is made of irregular spotrs of primary colors. I have been trying
to introduce grain into RGB separation via the grain commands. I have
just played with it, not made any negatives as yet. I am looking for it
to produce more brilliant colors.
Marek,
I know what you are getting at—I have some color
prints that were made from enlarging an area of a color negative and I
really do like the effect of the dots of various color that make up the
image.
Best Wishes,
Mark Nelson
Precision Digital
Negatives - The System
PDNPrint Forum at Yahoo
Groups
www.MarkINelsonPhoto.com
Military
Commissions Act of 2006
- A STAIN on our Nation's History
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