Photo Tip: Infrared Photography

I became interested in infrared during my explorations into black and white and as part of fine art. I am still one of “those” that like the smell of chemicals and spend hours in a darkroom. I still develop my own black and white film and print my own prints. Through the years I became interested in alternative processing techniques such as cyanotype, van dyke brown, salt printing, gum bichromate, palladium platinum and also infrared.

Photoshop is a wonderful tool for digital photographers and I when I first saw a hand printed infrared print I became hooked.  The visible spectrum for the eye is between 380 – 730 nanometers (wavelengths) see fig a.  The photographic spectrum includes ultraviolet, the visible spectrum and then near infrared. The visible spectrum includes colours such as violet, blue, green, yellow, orange and red.

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