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Ships within 48 hours · Estimated delivery Aug 8 - Aug 13
Ideal for hands-free exploring
ST4 guide port for direct mount corrections
allowing you to achieve stunning results with minimal post-processing
Just arrived
Baader Steeltrack
Antlia PRO Ultra Narrowband 3nm H-alpha Filter - 1.25" for Imaging rotating focuser telescope Ideal for hands-free exploringAntlia H Alpha (Ha) 3. 0nm PRO Ultra Narrowband Filter Mounted in 1. 25" Filter Cell (31. 8mm) Just arrived! Now these Antlia filters got even better! 3nm bandwidth instead of 3. 5nm! The Antlia H Alpha (Ha) 3. 0nm filter is suitable for imaging H Alpha emissions from nebulae, planetary nebulae and supernova remnants. The 3. 0nm bandwidth delivers a high transmission at a centre wavelength of 656. 3nm. The extreme narrowness in bandwidth enables Astro
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