ZWO 2" H-alpha 7nm Narrowband Filter TheSkyX compatible We provide two colors for

We provide two colors for you to choose from red and silver

you can trust in its reliability and performance

Increase your distance

the RT52 has two special features

Designed to make calling easier—whether it's from staff-to-staff or staff-to-guest

ZWO 2" H-alpha 7nm Narrowband Filter TheSkyX compatible We provide two colors forZWO 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