Image modifiers for use in photography

Details Image modifiers for use in photography Image modifiers for use in photography

G - Physics

03

B

G03B 11/00 (2006.01) G03B 15/00 (2006.01) G03B 15/08 (2006.01) G03C 3/00 (2006.01)

Patent

CA 2291757

A light modifying device for use in a camera. The device has several embodiments: a transparent plate (20) having a diffusion pattern mounted at the film plane, a transparent plate mounted in a film cartridge, a length of a patterned plastic film strip positioned adjacent a similar length of photographic film strip (16) with both film strips rolled into a conventional 35 mm film canister and a transparent plate coupler positioned between the main lens of the camera and the camera body (12).

L'invention concerne un dispositif de modification de lumière destiné à être utilisé dans un appareil-photo. Le dispositif présente différents modes de réalisation: une lame transparente (2) ayant un diagramme de diffusion, montée sur le plan focal, une lame transparente montée sur une cartouche de film, une longueur d'une bande de film en plastique à motifs placée au voisinage d'une longueur similaire de bande (16) de film photographique, ces deux bandes de film étant enroulées dans un boîtier de film classique 35 mm, et un coupleur de lame transparente placée entre l'objectif principal de l'appareil-photo et le boîtier (12) de l'appareil-photo.

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