ANTLIA SII 4.5nm EDGE NARROWBAND FILTER Size:1.25" With liquid cooling you can

With liquid cooling you can get to -45C below ambient with normal temperature liquid

AZ Mount Pro/MiniTower/MiniTower Pro (need Star Knobs with Center Post 8340-PIER)

The OAG-L has a much larger prism than the ZWO M68 OAG at 12 x 12mm

You can connect it to the ZWO M68 OAG and 2” EFW

ANTLIA SII 4.5nm EDGE NARROWBAND FILTER Size:1.25" With liquid cooling you canThe Antlia S II 4. 5nm Edge narrowband filter has the same excellent transmittance characteristics as their 3nm Pro series but at a more affordable price. The 4. 5 nm bandpass is only 1. 5% 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, Antlia applies edge blackening