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Dual band filter from Antlia arrives

Tuesday, June 10, 2025 by Richard Harris

The Antlia ALP-T Dual Band 3nm SII & OIII Filter is a dual narrowband optical filter designed for astrophotography with color cameras. It isolates two specific emission lines, Sulfur-II at 672.4 nanometers and Oxygen-III at 500.7 nanometers, allowing users to image nebulae that emit strongly in ...

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3nm dual band filters coming from Antlia

Monday, September 9, 2024 by Russ Scritchfield

Two new filters are coming from Antlia that operate on a principle of selective transmission, allowing only the most scientifically significant wavelengths to reach your camera's sensor. We're talking about the 3nm Ha&OIII and the 3.5nm SII&H-beta filters - in a single filter. ...

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