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and extended deep-sky objects
~97% transmission at 656nm (H-alpha)
Use your Power Bank to step up the voltage (to 8Volts) for your camera
Optolong L-Ultimate Light Pollution Dual-Bandpass 3nm Narrowband Imaging Filter - 2"
-3 Receiver Analogue Sensitivity 0
Optolong SHO Filters set 3nm Hospital Paging System and extended deep-sky objectsNew 3nm Ultra Narrowband Astronomy Filters from Optolong This premium narrowband filter set includes SII (3nm), H Alpha (3nm), and OIII (3nm) filters, designed for high resolution astrophotography of emission nebulae using monochrome CCD and CMOS cameras. Ultra narrowband imaging allows productive astrophotography even under strong moonlight or severe light polluted skies, making it possible to maximise imaging opportunities on every clear night. Data
