Antlia ALP-T Dual Band 3.5nm SII&Hb 2" Filter (ALP-T-3NM-SH-2) Dessicant Tabs Antlia Prime narrowband filters optimize

Antlia Prime narrowband filters optimize the FWHM (full width half maximum) to 7nm bandpass

Adjust the tone of your pinpointer

Waterproof to 6m/20ft

25") Weight: 10 oz ( 283 g) Solar Warning

Manufacturer Baader Planetarium SKU (#) 2458239 EAN Code 4047825041159 Weight (kg) 0

Antlia ALP-T Dual Band 3.5nm SII&Hb 2" Filter (ALP-T-3NM-SH-2) Dessicant Tabs Antlia Prime narrowband filters optimizeAntlia ALP T Dualband 3. 5nm SII&Hb Filter: The ALP T dual band 3. 5nm SII&Hb filter is a dual narrowband filter, which lets the deep red Sulfur II 672. 4nm and the blue Hydrogen Beta 486. 1nm 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 3. 5nm and achieving an optical density (OD) of 4. 5 on unwanted