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Ships within 48 hours · Estimated delivery Aug 16 - Aug 21
they offer high transmission without color distortion
repeatable method for aligning your telescope’s optical system correctly
Software: Duty Cycle % / OFF
Its long focal length and proven Plössl optical design make it ideal for observing nebulae
Package List
Antlia PRO Ultra Narrowband 3.0nm H-alpha Filter - 50mm Unmounted 2 inch focuser telescope they offer high transmission withoutAntlia 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
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