Antlia ALP-T Dual Band 5nm Filter - 2" Mounted for Deep-Sky Imaging refractor telescope diagonal Spurious Response

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Antlia ALP-T Dual Band 5nm Filter - 2" Mounted for Deep-Sky Imaging refractor telescope diagonal Spurious ResponseAntlia ALP T Dual Band 5nm Filter High Performance for Astrophotography The Antlia ALP T Dual Band 5nm Filter is a dual line pass filter designed for use with one shot colour (OSC) cameras, including DSLR and astronomical cameras. It can also be used as a narrowband filter with monochrome cameras, providing enhanced signal to noise ratio and reducing imaging time. Capture Ha and OIII Nebulae Simultaneously This filter isolates the red Hydrogen alpha