Antlia 2.5nm SII Ultra Series Filter - 2" -SII-ULTRA-2.5NM-2 Svbony HEM27/HEM27EC

HEM27/HEM27EC

Extremely high transmission results in maximum contrast and isolation of planetary details

Hinged ring system separates easily by loosening the over-sized metal thumbscrews

CGX-L computerized Equatorial mount

No special setup effort is needed

Antlia 2.5nm SII Ultra Series Filter - 2" -SII-ULTRA-2.5NM-2 Svbony HEM27/HEM27ECThis very narrowband 2. 5 nm SII filter from Antlia is part of their Ultra series and comes in a 2" threaded filter cell that is designed to be screwed on to the 2" barrel of your astrophotography accessory, including a 2" filter wheel or filter drawer. Antlia 2. 5nm Ultra Series Sulfur II Filter 2" Mounted All Antlia 2. 5nm Ultra Series Filters are made with quartz glass and undergo precisely controlled coating processes to ensure optimal