The Svbony 2inch UHC telescope filter is designed to improve the image contrast of observed objects;it can be used not only for celestial observations but for astrophotography 95% transmission of main nebula emission lines and 0.1% transmission of off-band specifically the major emission lines of artificial light pollution;great for city and suburban observation Double sided multi layer coating and the backside increases the broadband penetration film reduces the reflected light and increases the contrast and image sharpness Optical glass lens; Aluminum frame;Precision polished substrate good parallelism and surface precision ensures you used long time Including a sturdy plastic box convenient to carry and storage
The Svbony 2inch UHC telescope filter is designed to improve the image contrast of observed objects;it can be used not only for celestial observations but for astrophotography 95% transmission of main nebula emission lines and 0.1% transmission of off-band specifically the major emission lines of artificial light pollution;great for city and suburban observation Double sided multi layer coating and the backside increases the broadband penetration film reduces the reflected light and increases the contrast and image sharpness Optical glass lens; Aluminum frame;Precision polished substrate good parallelism and surface precision ensures you used long time Including a sturdy plastic box convenient to carry and storage
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£45.59 | Amazon | Shop |