In the "grey-zone"
Using old technics with modern equipment.
If you want to try something "new", you should perhaps try something very OLD. Are you confused ?
What I say, is that you should use your digital camera , and do 3 shots - in B&W-mode.
Each of the 3 exposures must be identical - picturewise. The only visible differences between those 3 pictures, are how the gray-scale is rendered - due to the 3 color-filters , that were used during the short photosession.
The first exposure used an external / internal RED-filter. The next used an ext. / int. GREEN-filter , and the last exposure used an ext. / int. BLUE-filter.
When those 3 pictures have been loaded down into PS (or any eqiuvalent software), you have to define one image-layer for each picture. Each imagelayer must be "given back" the corresponding color-filter (and with the same density). The opacity of each layer, have to be adjusted, so that you can keep track on how the the changes of filter-density - in one layer - affects the total image rendering.
You shold also try to adjust the contrast, hue/saturation during this special processing.
You also have to try out when to make those 3 layers to ONE. Even then, is may be necessary to do some more adjustments.
IMPORTANT !!! : I have NOT said that you would get very bright and fresh / natural color.
Most probably , you would get an "old-time-color" picture, where only the strongest colors are visible. BUT - REMEMBER : Your "starting-point" was 3 BLACK'n WHITE-pictures .....!
Good luck. Have fun !!!
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