4CHAN SPAM FILTER

Quantaray circular polarizer filter - External pond pumps and filters - Replacement filter media

Quantaray Circular Polarizer Filter

circular polarizer


(all mfg.) A polarizer designed for cameras with "beam-splitting" metering systems and auto focus systems. Dslr cameras use a beam splitting prism in the light path to direct the light to the meter. Beam splitters polarize light.


A polarizer is a device that converts a beam of electromagnetic waves (light) of undefined or mixed polarization into a beam with well-defined polarization. The common types of polarizers are linear polarizers and circular polarizers.

filter


device that removes something from whatever passes through it


remove by passing through a filter; "filter out the impurities"


an electrical device that alters the frequency spectrum of signals passing through it


A porous device for removing impurities or solid particles from a liquid or gas passed through it


A screen, plate, or layer of a substance that absorbs light or other radiation or selectively absorbs some of its components


A device for suppressing electrical or sound waves of frequencies not required

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