Science & Art - What Is Tri-color?

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- Color films have three separate layers of emulsion - a red, a green, and a blue. Absorbing only these three colors of light, they can create the full spectrum of colors that we see.

In the tri-color photographic process used by Bill and Sally Fletcher, the same subject is shot three times, each time on black & white film through a different color filter (red, green and blue). Each negative is then scanned (digitized) and combined using a computer and Adobe Photoshop software making them equal parts of a final color photograph.

The result is a full spectrum photo like color film except a truer balance of the three color layers can be achieved over long exposures than with color film. Also a high contrast and super fine grain black and white film can be used to help maximize fine detail -

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