Astrodon Hydrogen-Alpha filter with a FWHM of 3nm. For use with internal color filter wheel in QSI 500 Series cameras. This Ha filter is parfocal with Astrodon LRGB color filters.
|Name||QSI - Astrodon 1.25" Hydrogen-alpha filter 3 nm FWHM|
|Custom Stock Status||This item is special order. Delivery times will vary. Place your order today and your card will not be charged until the item ships.|