Used Antlia ALP-T f/2 High Speed Dual Narrowband H-a (5nm) & O-III (5nm) Filter - 2" LRGB doubling the equivalent exposure at

doubling the equivalent exposure at f/10

Tele Vue 76 refractor

What This Widget Does

Celestron Origin Mark II is a portable system that doesn’t require external WiFi networks

7e⁻—lower than the readout noise

Used Antlia ALP-T f/2 High Speed Dual Narrowband H-a (5nm) & O-III (5nm) Filter - 2" LRGB doubling the equivalent exposure atCondition: 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