Antlia ALP-T Dualband 5nm HA & OIII Filter - 2" - ALPT-DB-5NM-HAOIII-2 doublet 25" Tripod Height Range: 31

25" Tripod Height Range: 31

5 Optical Coatings Fully coated glass optics Eyepiece/Magnification 20mm Kellner (1

Since it is an f/2

The Antares FRWT features a reverted image

Antlia ALP-T Dualband 5nm HA & OIII Filter - 2" - ALPT-DB-5NM-HAOIII-2 doublet 25" Tripod Height Range: 31This ALP T, or Anti Light Pollution Filter, allows a 5nm 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 5nm H Alpha & OIII Filter 2" This dual narrowband