Antlia ALP-T Dual Band 3nm Ha&OIII 2" Filter (ALP-T-3NM-HO-2)

Antlia ALP-T Dual Band 3nm Ha&OIII 2" Filter (ALP-T-3NM-HO-2)Antlia ALP T Dualband 3nm Ha&OIII Filter The Antlia ALP T Dualband 3nm Ha&OIII Filter is a dual narrowband filter, which lets the red H alpha (656. 3nm) and the blue green OIII (500. 7nm) lines through and is primarily engineered for color cameras to assist astrophotographers taking deep sky images with superior SNR(Signal to Noise Ratio). With an FWHM half bandwidth designed at 3nm and achieving an optical density (OD) of 4. 5 on unwanted

camera adapter

Power Switch

Take action now and embark on your astronomical adventure with the Askar 103APO

Installed in every Tumble-Bee rock tumber

Remove screws and spacers of BDS-NT Diamond Steeltrack®

Each scope is tested one by one on the actual Sun to make sure each unit is ready for safe solar viewing right out of the box

Built-in polar alignment program to polar align on any star in the sky

5 mm FIELD STOP DISPLACEMENT TO REFERENCE PLANE -23

making additional front-masks obselete

Reverse Polarity Protection - Pocket Powerbox Micro has been design with a reverse voltage polarity protection

Zeiss Conquest Gavia 85 - The explorer's companion

Celestron’s high quality ED glass delivers visibly brighter