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Ships within 48 hours · Estimated delivery Aug 14 - Aug 19
ensuring unmatched performance and durability
The result is that the Antlia Ha filter delivers excellent contrast with extremely dark backgrounds whilst delivering a high transmission of the Ha signal
Constructed with high-quality CNC-machined aluminium
Technical specifications
with a tube diameter of 180mm
Dark Clear Skies 2″ CLS Filter APS-C Cameras ensuring unmatched performance and durabilityThe Dark Clear Skies 2 CLS (City Light Suppression) Filter is designed to reduce the effects of artificial light pollution while maintaining good transmission of natural starlight and broadband astronomical targets. Purpose & Use CLS filters are broadband light pollution filters intended to suppress common wavelengths produced by street lighting while preserving much of the visible spectrum. This helps improve contrast and darken the background sky
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