Antlia PRO Ultra Narrowband 3nm H-alpha Filter - 1.25" for Imaging Astrophotography Mounting Hardware and all call

and all call

This transmitter product uses audio and microphone input with separate sockets

(exclude the antenna)

Comes with the LCD display with Blue color

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Antlia PRO Ultra Narrowband 3nm H-alpha Filter - 1.25" for Imaging Astrophotography Mounting Hardware and all callAntlia 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