Device coupled to photographic systems for producing creative effects in capturing moving subjects and new forms of filtering and metering light from a scene in general

摘要

The invention presented here is a device that attaches to compounds photographic camera systems and object, and provides functions production creative effects in photographing moving subjects by prepending in front of said target an opaque element that only passes light through a slot generally linear character which has the ability to be moved by the user. Thanks to the use of certain types of slots, also provides certain functions of filtering and selective attenuation of light from a scene so far the sole use of crystal filters. This device also provides some advantages in the field of photographic technique with color filters and multiple exposure technique.