SV227 2" H-Alpha 5nm Filter Narrowband Filter Plug and Play HDMI sensitive to vignetting

sensitive to vignetting

With degree markings

Wide Views for Easy Targeting

in addition to powerful image aquisition features and support for numerous mounts

SV227 2" H-Alpha 5nm Filter Narrowband Filter Plug and Play HDMI sensitive to vignettingThe SVBONY SV227 is a 2 H alpha narrowband filter with a 5 nm bandwidth, designed for deep sky astrophotography. It isolates the hydrogen alpha emission line at 656. 3 nm, making it well suited for imaging emission nebulae while strongly suppressing light pollution and unwanted sky glow. 5 nm Narrowband Precision With a narrow 5 nm passband, the SV227 provides strong contrast enhancement for hydrogen alpha emission while rejecting surrounding