Explore Scientific Nebula Filter 2" OIII
Introducing this High quality and functional Nebula Filter 2" OIII by Explore Scientific. This Nebula Filter 1.25" O-III Range from 483nm to 511nm with a peak at 496nm. Transmission 96.7%
Oxygen III is the highest contrast Nebula Filter in the series, a line filter for only the two oxygen emission lines. An excellent choice for observations of supernova remnants and other nebulae that glow in OIII. Different objects that glow in all parts of the visible spectrum (e.g., galaxies) are reduced visibly, but some ordinarily invisible regions of nebulae are visible. This filter fits all standard 2.0-inch eyepieces and filter wheels. Buy to see it for yourself! Add to cart now!