Altair 540/8nm solar contrast booster + 1 variants 5 56 Altair CLS-CCD + 3 variants 13 30 Altair Dual-Band + 1 variants 5 25 Altair G-Band Solar Contrast Filter (430.3nm) 2nm 1.25" 9 103 Altair Ha 7nm 2" 12 56 Altair H-alpha 3nm 2" 9 69 Altair Ha OIII DualBand 4nm 2" 28 101 Altair Hydrogen Alpha D-ERF + 3 variants 5 47 Altair Luminance UV/IR Block Filter with AR Coating 2" 4 9 Altair NUV 7nm 1.25" 5 15 Altair OIII 3nm 2" 11 50 Altair OIII 6.5nm 2" 5 38 Altair Premium CCD Filter Blue 1.25" 1 8 Altair Premium CCD Filter Green 1.25" 1 8 Altair Premium CCD Filter Luminance 1.25" 1 4 Altair Premium CCD Filter Red 1.25" 1 8 Altair QuadBand + 2 variants 41 163 Altair SII 3nm 2" 9 27 Altair SII 6.5nm 2" 5 32 Altair SII OIII DualBand ULTRA 4nm CERTIFIED CMOS Filter 2" 17 47 Altair / Skytech L-pro max + 3 variants 21 101 Altair TriBand + 3 variants 36 108 Altair Triband D-ERF 115mm 2 23 Altair UV/IR cut (in-built) 10 123 Antlia 3.5nm Narrowband H-alpha + 4 variants 143 806 Antlia 3.5nm Narrowband Oxygen III + 4 variants 165 844 Antlia 3.5nm Narrowband Sulfur II + 4 variants 120 539 Antlia 393.3nm CaK 3nm + 1 variants 8 16 Antlia 3nm Narrowband H-alpha + 5 variants 773 5906 Antlia 3nm Narrowband Oxygen III + 5 variants 744 4570 Antlia 3nm Narrowband Sulfur II + 5 variants 621 3284 Antlia 685nm IR Pass + 1 variants 14 37 Antlia 850nm IR Pass + 1 variants 4 18 Antlia ALP-T Dual Band 5nm + 2 variants 408 2626 Antlia ALP-T Dual Band 5nm Highspeed + 2 variants 69 379 Antlia ALP-T Dualband 5nm SII&Hb 2" 61 153 Antlia ALP-T Dual Band 5nm SII&H-beta Filter 2" 2 2 Antlia Blue + 6 variants 396 2906 Antlia EDGE H-alpha 4.5nm + 5 variants 193 1097 Antlia EDGE OIII 4.5 nm + 5 variants 143 632 Antlia EDGE SII 4.5 nm + 5 variants 107 441 Antlia Green + 6 variants 401 2911 Antlia H-alpha 7nm 36 mm 10 21 Antlia H-Alpha Pro Ultra Filter - 2.8 nm Ultra Narrowband - 36 mm 20 73 Antlia H-alpha Ultra Narrow Band 2.5nm 2" 16 52 Antlia Luminance + 5 variants 321 1784 Antlia Luminance Pro 58 356 Antlia Methane (CH4) + 1 variants 3 3 Antlia OIII 7nm 36 mm 8 18 Antlia O-III Pro Ultra Filter - 2.8 nm Ultra Narrowband - 36 mm 20 78 
