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mum essential background for their actual movements. This set is placed as usual, directly in front of the camera. Also in front of the camera, and com¬ paratively close to the lens, is placed a reflecting surface — a partially-silvered mirror or an intricate system of prisms — with the reflecting surface at a 45degree angle to the lens’ axis. At right angles to the camera’s main lens-axis, and at the proper distance, is a paint¬ ing, a photograph or a miniature set, the reflected image of which, blended with the small actual set, completes the scene.
In its simplest form, this system can make use of a front-surface mirror; that is, one in which the silver reflect¬ ing surface is deposited on the front of the glass support, rather than on the back. Most glass or mirror shops can make these up.
With this mirror in place, the silver is carefully scraped from the glass over an area of precisely the right size and shape to permit the real, full-size set and actors to be viewed by the lens. The photo, miniature or painting which is to complete the shot is then posi¬ tioned, over at the side, at right angles to the lens, in such a manner that its reflection and the real set blend into a single image. (Fig. C in illustration.)
This way you can get an apparently
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I STEEL tanks, air squeegee, recirculation fittings, air agitation tube,
' lower roller guards ★ FORCED WARM AIR DRYBOX, uses no heating lamps.
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• Cantilever Construction
• Size: 76" x 50" x 24"
• Ball Bearing Gearbox
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Other models available. Write for literature.
FRANK C. ZUCKER
(^flmeRfi €ouipm€nT(o.,inc.
Dept. A ' 315 West 43rd Sf„
New York 36, N. Y. JUdson 6-1420
American Cinematographer
July, 1957
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