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Ships within 48 hours · Estimated delivery Aug 12 - Aug 17
Glass thickness: 1mm
compatible with almost all 3
6nm filters offer significant advantages
2e read noise
ZWO 2" H-alpha 7nm Narrowband Filter pattern Glass thickness: 1mmZWO 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
