ZWO 2" OIII 7nm Narrowband Filter WandererAstro travelling to a dark-sky site

travelling to a dark-sky site or running a permanent observatory

20000 priority contacts enable you to call the people important to you more convenient

and each can be selected for your eyepiece or camera by simply rotating the inner wheel to any of the five click-stop positions

141ft－69ft

ZWO 2" OIII 7nm Narrowband Filter WandererAstro travelling to a dark-sky siteThe ZWO OIII 7nm narrowband filter is designed for nebula observation allowing 7nm bandwidth of light centred on a wavelength of 500nm, which corresponds to OIII emission lines, blocking out all other light. Adding the ZWO OIII narrowband filter to your imaging collection will help you go beyond the RGB imaging and will help capture your favourite nebulae in a totally new light. No matter how polluted your skies may be! Combine it with H alpha and SII