General-purpose photo filter unit

G - Physics – 03 – B

Patent

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Details

G03B 11/00 (2006.01)

Patent

CA 2230360

A general-purpose photo filter unit for a camera comprises a transparent body member and a filter member provided on the body member as a component part discrete from the body member and including a filtering section protruding forwardly from the body member. The filtering section has one of blue, pink, yellow, green and sepia colors or a combination of any three of the colors, or has one of particular shapes such as a convex polygon, a cylinder containing concave and convex lenses at both ends thereof, a kaleidoscope or a film having mosaic patterns of different refractive indices, or has a combination of one of the colors and one of the shapes. The general-purpose photo filter unit also includes one or more attaching members provided on the body member, and the attaching members are engageable with the body of the camera so as to removably attach the photo filter unit to the body on a predetermined position thereof such that the filtering section is placed in alignment with the front surface of the camera lens. With these attaching members, the general-purpose photo filter unit is removably attachable to various types of cameras with utmost ease, and the photo filter unit thus attached allows any user to take a picture with a desired special effect.

Un ensemble de filtre photographique universel pour appareil-photo est constitué d'un corps transparent et d'un filtre posé sur le corps comme composante distincte du corps et comprenant une section filtrante qui fait saillie à l'avant du corps. La section filtrante a l'une des couleurs bleu, rose, jaune, vert et sépia ou une combinaison de trois desdites couleurs, ou a une forme particulière telle que celle d'un polygone convexe, d'un cylindre contenant des lentilles concave et convexe à ses extrémités, d'un kaléidoscope ou d'une pellicule à motifs de mosaïque à indices de réfraction différents, ou une combinaison de l'une des couleurs et de l'une des formes. L'ensemble de filtre photographique universel comprend aussi un ou plusieurs accessoires s'adaptant au corps et se mettant en prise sur le corps de l'appareil-photo de manière à fixer de façon amovible l'ensemble de filtre photographique au corps dans une position prédéterminée de sorte que la section filtrante soit alignée avec la surface avant de la lentille de l'appareil-photo. Avec ces accessoires, l'ensemble de filtre photographique universel s'adapte très facilement de façon amovible à divers types d'appareils-photos, et l'ensemble de filtre photographique ainsi adapté permet à l'utilisateur de prendre une photo avec un effet spécial souhaité.

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