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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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