Used Antlia ALP-T f/2 High Speed Dual Narrowband H-a (5nm) & O-III (5nm) Filter - 2" Maksutov made exclusively for our CGEM

made exclusively for our CGEM and CGE Pro mounts

Magnification 20x Objective Lens Diameter 80 mm Lens Coatings Fully Multi-Coated - XLT Coatings Angular Field of View 3

Ultra-thin filter cell minimizes vignetting by maximizing the possible clear aperture (clear aperture is 26 mm for 1

Aperture 50 mm

Used Antlia ALP-T f/2 High Speed Dual Narrowband H-a (5nm) & O-III (5nm) Filter - 2" Maksutov made exclusively for our CGEMCondition: This is a used Antlia ALP T 2" Dual Narrowband (5nm) filter in very good condition. The optics are relatively clean, with only some minor dust spots, and the body is unmarked. This filter is the high speed (f 2) version. This comes in its original jewel case. Description ALP T Dual Band 5nm Ha & OIII Highspeed Filters # ALP T 2 HS are further optimized to work with high speed imaging systems by shifting slightly the passband and center