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This is a generic Moon & SkyGlow filter in excellent condition, with clean optics and body. This is a workhorse on the moon and planets, decreasing glare and increasing contrast. It is in excellent shape, and can be used for visual or photographic applications.
It comes in its original jewel case.
Description
The best visual and photographic filter for contrast enhancement for all telescopes, without loss of image brightness!
Drastic contrast enhancement for all telescopes, without loss of image brightness! If used as co-mixture to optical glass, it improves the contrast and enhances the red portions of the image (especially for Mars and Jupiter). At night it blocks that part of the spectrum, which suffers most from street lighting – and it blocks the light pollution, also known as „skyglow“.
Compare with the moon & Skyglow filter before the naked eye, to test the effectiveness. Red and blue colors are extensively strengthened. If you cannot see the GRS (Great Red Spot) due to pollution try this which will allow you to see it.
SURFACE DETAILS ON MARS, JUPITER AND MOON AS WELL AS MANY DEEP-SKY-OBJECTS BECOME MUCH MORE PROMINENT.
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Selective contrast filter, especially suitable for all reflector telescopes
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Filters out specific wavelengths, especially those caused by streetlight and most importantly their scattered light which lightens up the night sky
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Selective blocking retains natural colors intact but with RGB significantly enhanced, differences in color and brightness persist.
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Fits all standard filter threads and can be combined with other filters. This way, you can see fine details better or combine several images with a monochrome camera to achieve color images.