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travelling to a dark-sky site or running a permanent observatory
The communication distance farther
754mm（when the dew shield is stretched）
141ft－69ft
Additional Information
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
