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Ships within 48 hours · Estimated delivery Aug 25 - Aug 30
The ideal aperture ratio for this filter ranges from f/4
When the guest is in need
low read noise
20mm eye relief suitable for eyeglass wearers
Astronomik UHC SC Rear Cell (2'' / 24TPI) – Deep Sky Filter 50 Pagers The ideal aperture ratio forAstronomik UHC SC Rear Cell (2'' 24TPI) The Astronomik UHC is the perfect filter for visual observing. Enjoy using the Astronomik UHC filter to see more stars and details in deep sky objects than with other filters. The UHC filter allows nearly 100% transmission of radiation from both O III and H beta lines. Though the second window for the H alpha line is not meant for visual observing, its important when used with an electronic device. Unwanted
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