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Barlows amplify the power of a telescope
2" long extension tube X1 Gross Weight: 88 lb Warranty: One year
or clip them to the case’s external loops
It is easy to see the moons of Jupiter and the rings of Saturn with this fine instrument
Antlia 4.5nm H-Alpha Edge Series Filter - 2" - HA-EDGE-4.5NM-2 2"/1.25" Eyepieces Barlows amplify the power ofThis narrowband 4. 5nm H alpha filter from Antlia is part of their Edge series and comes in a 2" threaded filter cell that is designed to be screwed on to the 2" receptacle of your astrophotography accessory, including a 2" filter wheel or filter holder. Important! Not for use when viewing or imaging the Sun! Antlia 4. 5nm Edge Series H Alpha Filter 2" Mounted Antlia H alpha Edge narrowband filters optimize the FWHM (full width half maximum) to a 4.
