ZWO 2" Ha SII OIII 7nm Filter Set (ZWO-NB7NMD2) eyepiece set or case Stroke: 6mm

Stroke: 6mm

requires only slight adjustments to re-center the camera over the new eyepiece

Using a TeleVue eyepiece

Software: Celestron Starry Night Special Edition Software and SkyPortal App Total Kit Weight: 17

allowing you to see fainter images

ZWO 2" Ha SII OIII 7nm Filter Set (ZWO-NB7NMD2) eyepiece set or case Stroke: 6mmNarrowband filter does not eliminate the effects of light pollution or increase the objects brightness. In many cases, they increase the contrast between nebula and night sky, not brightening the nebula. It can reduce the transmission of certain wavelengths of light, specifically those produced by artificial light including mercury vapour, and both high and low pressure sodium vapour lights and the unwanted natural light caused by neutral oxygen