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K9 and K20 eyepieces (1
The filter is optimized for systems with focal ratios between f/0
The controller is Radio Frequency Interference (RFI) free which is absolutely necessary when astro imaging
Powerful Optics in a Sleek
Astrozap Baader 250mm-260mm Solar Filter Dust Cover K9 and K20 eyepieces (1Astrozap Solar Filter With AstroSolar the Sun appears in neutral white. Other films and some glass filters produce a blurry bluish or reddish Solar image, thereby cutting part of the spectrum. Especially with an orange sun, it is very hard to see faculae regions which are visible predominantly in the blue wing of the spectrum. Due to it's neutral color balance, AstroSolar enables the use of various color (or interference) filters which allows the