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Astronomy - Celestron Polarizing Filter Set - 1-1/4'' - CSN 93608 - Astronomy
Ambient daylight is normally comprised of multiple wavelengths of light, vibrating in multiple planes. The Eyepiece Polarizing Filter Set transmits only light moving along a specific plane, thereby increasing the contrast between surfaces with different planar transmissions. Generally, the polarization effect makes blue skies a deeper blue, eliminates surface reflections and helps reduce atmospheric haze. The filter set is comprised of two filters that thread into either the eyepiece or the filter adaptor, which comes with the set. When one filter is used alone, you get 30 percent light transmission. When both filters are used together, you can vary the degree of transmission. By causing the amount of transmitted light to vary, the filters become, in effect, a continuously variable neutral density filter. At maximum density, the Polarizing Filter Set transmits only 5 percent of entering light.Type: Eyepiece Filter
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1004-2900 - - AS-CSN 93608
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