Combining by projection

Using a projector, you can make a slide (or negative) image appear on the surface of any suitable light-toned object; the scene can then be photographed, with the result being recorded exactly as it appears to the eye. Work in a blacked-out room and if you are using daylight film add a bluish 80A filter on the camera to correct for the orangey light from the projector. In Figure 41.1, a slide of brickwork is projected onto a hand. By using a distant, black background, no brickwork appears elsewhere (see Figure 41.2). Your image-receiving surface could be flat or curved - one or more eggs perhaps, paper cups, wooden blocks or any object painted matt white especially for the purpose. Be careful not to make the result too complicated, though - if the image you project has a strong pattern then pick a receiving object that is simple in shape.

Strips of black card held about halfway between projector and receiving surface will restrict the image to where you want it to appear. Other lighting is needed to just suggest surroundings and the forms of your still-life objects, provided you keep the light off the projected image. Keep in mind that the fill light can't be too strong, otherwise it will obscure the projected image.

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