Antlia PRO Ultra Narrowband 3.0nm H-alpha Filter - 50mm Unmounted 2 inch focuser telescope Mounted： 1

Mounted： 1

they offer high transmission without color distortion

0 High Speed — Fast data transfer supports high frame rates and smooth video capture for planetary imaging and Electronically Assisted Astronomy (EAA)

The Ion Gun Assisted Deposition coating on a double-sided polished substrate ensures minimal internal reflections and flat-top bandpass performance

With a fully corrected field

Antlia PRO Ultra Narrowband 3.0nm H-alpha Filter - 50mm Unmounted 2 inch focuser telescope Mounted： 1Antlia PRO H Alpha (Ha) 3. 0nm Ultra Narrowband Filter 50mm Round Unmounted (glass only) Antlia H alpha Pro narrowband filter optimizes the FWHM (full width half maximum) to 3nm bandpass. As the bandwidth becomes narrower, the 3nm Pro narrowband filters enhance contrast of emission targets by lowering the unwanted background signal. Antlia H alpha 3nm Pro filters are designed to deliver 88% transmission at the 656. 3nm line which provides you with the