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Ships within 48 hours · Estimated delivery Aug 11 - Aug 16
1mm (for Pocket Powerbox and any other Pegasus Products)
6nm filters are the best choice for observing sites with extremely strong light pollution
Glass thickness: 1mm
compatible with almost all 3
ZWO 2" H-alpha 7nm Narrowband Filter pattern 1mm (for Pocket Powerbox andZWO 2" H alpha 7nm Narrowband Filter The ZWO 2" H alpha 7nm Narrowband Filter is designed to dramatically improve deep sky image contrast and detail by isolating the 656 nm hydrogen alpha emission linethe dominant wavelength emitted by many nebulae. By aggressively rejecting unwanted wavelengths, this filter suppresses light pollution, moonlight, and sky glow, allowing faint nebulosity to stand out cleanly against a dark background. The result is
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