DE412006C - Facility for cinema combination recordings - Google Patents

Description

Facility for cinema combination recordings. There are facilities for Known cinema recordings in which the background is an opaque, matt, white wall cast projection or silhouette image. Attempts have now shown (Leave of the white thrown on an opaque, diffusely reflective wall Light a much larger part of the chemically active rays is absorbed, if the paint on this wall is matt white, as if it were painted with aluminum bronze is, while the difference in the optically effective rays is only slight. Accordingly, the invention consists in the use of an aluminum bronze coated one Wall as a background for the facility for cinema recordings mentioned at the beginning, whereby all other things being equal, the image of the background on the film negative one Surprisingly stronger coverage than when using a known white one Wall.

For the normal projection of still and moving images the use of a wall coated with aluminum bronze has already been proposed, but does not bring (read opposite the usual white wall, as mentioned above, none substantial increase in the brightness perceptible to the eye with and is also because of the sharp drop in apparent brightness for those sitting on the side Observer inexpedient, what the latter circumstance for the photographic recording is meaningless due to the small angle of view of the cinema lenses.

Claims (1)

PATENT CLAIM: Device for cinema recordings in which a projection or shadow image projected onto an opaque, diffusely reflecting wall serves as the background, characterized in that the wall is made diffusely reflecting by painting it with aluminum bronze.