Nebula Filter Oxygen III 1.25-inch beginner-telescopes Surveillance of property and outbuildings

Surveillance of property and outbuildings for the isolated homeowner

You may be startled at the amazingly wide expanse of inky black sky you behold the first time you bring your eye to a 92° Series eyepiece

A well-aligned finder makes astronomy much easier

Use as a long distance microscope for safe close-up study of hornets' nests

the Explore One 300x–1200x Microscope offers powerful magnification and hands-on tools for exciting discoveries

Nebula Filter Oxygen III 1.25-inch beginner-telescopes Surveillance of property and outbuildingsExplore Scientific Nebula Filter 1. 25" O III Range from 483nm to 511nm with peak at 496nm. Transmission 96. 7% Oxygen III This is the highest contrast Nebula Filter in the series, a line filter for only the two emission lines of oxygen. A great choice for observations of supernova remnants and other nebulae that glow in OIII. Other types of objects that glow in all parts of the visible spectrum (e. g. galaxies) are reduced visibly, but some normally