Nebula Filter Oxygen III 2.0-inch families Designed for serious astronomers and

Designed for serious astronomers and imaging enthusiasts

Eye relief: 24

Item Number EPWP6840–01

The full-size

Includes locking knob

Nebula Filter Oxygen III 2.0-inch families Designed for serious astronomers andExplore 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