ANTLIA Ha 3nm PRO ULTRA NARROWBAND FILTER IR-Cut 25" barrel cameras

25" barrel cameras

2X barlow optimized for 656nm

This results in no backlash and extremely quick response to guide commands

Refractors with a focal length up to 500 mm 106 mm distance

flat field for astrophotography

ANTLIA Ha 3nm PRO ULTRA NARROWBAND FILTER IR-Cut 25" barrel camerasThe Antlia H Alpha 3nm PRO ultra narrowband filter boosts the contrast of emission nebulae and supernova remnants for professional results, even under a bright sky affected by light pollution. The 3. 0 nm band pass is only 1% of the entire visible spectrum, increasing the signal to noise ratio and delivering high contrast images and extremely dark backgrounds. To even further enhance the contrast, and suppress the stray light and internal reflections,