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Celestron Light
Pollution Imaging Filter For RASA Telescope |
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With this Light Pollution Imaging Filter, get the most
out of Celestron Rowe-Ackermann Schmidt Astrograph, even under
light-polluted skies. The filter is custom-designed for RASA by
Celestron and Astrodon, the world’s leading imaging filter company,
collaborated with Celestron engineers to create a filter for the
Rowe-Ackermann Schmidt Astrograph. No matter which camera is in use,
this filter’s generous 72 mm diameter allows it to easily accommodate
today’s largest sensors. Due to the Celestron’s enhanced Optical design
the result is the best light pollution suppression filter for
astroimaging. The filter replaces a piece of placeholder glass in the
optical path, so that RASA’s precise optical path is unaltered.
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When imaging with a color camera in light polluted areas,
skyglow degrades image quality. Light pollution filters help to
selectively block light emitted from common streetlights and other
ambient lighting. But most light pollution filters greatly compromise
the total light throughput, causing dim images, and negatively impact
the color balance, causing images to appear too green or blue. The Light
Pollution Imaging Filter removes unwanted light pollution while
preserving as much of the useful spectrum as possible. |
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That is, it still retain over 90 percent of the light
captured by telescope at many wavelengths. Unlike other light pollution
suppression filters, the new Celestron LP Imaging Filter for RASA
maintains a neutral color balance. Dielectric coatings further enhance
light transmission, so you can bring out subtle colour in galaxies and
other faint deep sky objects. Meanwhile, anti-reflective coatings
prevent star halos and minimize internal reflections. Every Celestron
Light Pollution Imaging Filter is tested individually for light
transmission. Inside the box, the actual transmission spectrum for
specific filter is provided. The report is prepared by Astrodon and
matched to the filter’s serial number, so that it can be used with total
confidence in filter’s performance. |
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Celestron Light Pollution Imaging Filter For RASA
Telescope |
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