Antlia 4.5nm H-Alpha Edge Series Filter - 31 mm - HA-EDGE-4.5NM-31 deposit eligible The motor requires a 12V

The motor requires a 12V supply (user supplied) that plugs into a 12V hub output

The angle adjustment range is +/-1º and the adapter is marked with 5' increments to make adjustments easy

You will also receive a spectral transmission test graph unique to your specific unit

Moon Filter: Say goodbye to glare and hello to crisp

With a T thread bringing it all together

Antlia 4.5nm H-Alpha Edge Series Filter - 31 mm - HA-EDGE-4.5NM-31 deposit eligible The motor requires a 12VThis narrowband 4. 5 nm H alpha filter from Antlia is part of their Edge series and is of the 31 mm unmounted variety. It is normally used in a 1. 25" 31mm filter wheel, where it drops into place. Important! Not for use when viewing or imaging the Sun! Antlia 4. 5nm Edge Series H Alpha Filter 31 mm Unmounted Antlia H alpha Edge narrowband filters optimize the FWHM (full width half maximum) to a 4. 5nm bandpass. The suppression of optical density (OD)5