Antlia 4.5nm H-Alpha Edge Series Filter - 1.25" - HA-EDGE-4.5NM-125 Dovetail Brackets Sky-Watcher Wave Counterweight Kit

Sky-Watcher Wave Counterweight Kit

" This screen can be viewed from either side

5-Element IR cut high-quality glass lens ensures sharper images

Each extruded aluminum ring set is topped with a slotted carry handle so that it is easy to move your telescope around when it is off the mount

Antlia 4.5nm H-Alpha Edge Series Filter - 1.25" - HA-EDGE-4.5NM-125 Dovetail Brackets Sky-Watcher Wave Counterweight KitThis narrowband 4. 5 nm H alpha filter from Antlia is part of their Edge series and comes in a 1. 25" threaded filter cell that is designed to be screwed on to the 1. 25" receptacle of your astrophotography accessory, including a 1. 25" filter wheel. Important! Not for use when viewing or imaging the Sun! Antlia 4. 5nm Edge Series H Alpha Filter 1. 25" Mounted Antlia H alpha Edge narrowband filters optimize the FWHM (full width half maximum) to a 4.