Nebula Filter Oxygen III 2.0-inch tdm and equatorial alignment capabilities

and equatorial alignment capabilities

Detects objects buried up to 6 inches below the surface

Featuring an oversized 100mm objective lens

these binoculars are waterproof

and bright deep-sky objects like nebulae and galaxies

Nebula Filter Oxygen III 2.0-inch tdm and equatorial alignment capabilitiesExplore 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