Antlia ALP-T Dualband 3nm HA & OIII Filter - 2" - ALPT-DB-3NM-HAOIII-2 polar alignment Adjustment height tripod plus mount:

Antlia ALP-T Dualband 3nm HA & OIII Filter - 2" - ALPT-DB-3NM-HAOIII-2 polar alignment Adjustment height tripod plus mount:This ALP T, or Anti Light Pollution Filter, allows a 3nm narrowband transmission from both the OIII and H Alpha bands! This model comes in a 2" threaded filter cell, which allows it to be connected to the 2" threaded accessory of your choice, including a 2" filter wheel or filter holder. For f 4 or slower telescopes. Important! Do not use this filter for solar viewing or imaging! Antlia ALP T Dualband 3nm H Alpha & OIII Filter 2" This dual narrowband

SKU: 37099654042 · From chapuisstores.ch