ZWO 1.25" OIII 7nm Narrowband Filter - OIII7nm125 vendor-meade Keep your night vision intact

Keep your night vision intact by using a red Celestron Night Vision flashlight when observing

1/4" – 3/8” thread converter included

Material: Aluminum Alloy

You'll enjoy an image free of chromatic aberration (color blur) and negative optical distractions

Built-in GPS receiver

ZWO 1.25" OIII 7nm Narrowband Filter - OIII7nm125 vendor-meade Keep your night vision intactThe ZWO narrowband OIII 7nm filter is designed for nebula observation by allowing a 7nm bandwidth of light to be centered on a wavelength of 500nm (which corresponds to OIII emission lines), and blocking out all other light. Adding the ZWO OIII Narrowband filter to your imaging collection will help you go beyond RGB imaging and will help capture your favorite nebulas in a new light, no matter how polluted your skies may be! This rendition of the ZWO