ZWO 36mm OIII 7nm Narrowband Filter - OIII7nmD36 80mm refractor A set of multifunctional red

A set of multifunctional red anodized tube rings includes mounting points on three sides

Diagonal: Patented built-in Binoviewer

Protect the sensor from dust and humidity

75 filter thread: M76x1 - M68x1

iOptron MiniTower Pro/II Altitude Gear and Clutch Upgrade Kit

ZWO 36mm OIII 7nm Narrowband Filter - OIII7nmD36 80mm refractor A set of multifunctional redThe 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 ZWO OIII 7nm Filter is