Cloud Break Optics

1.25" O-III Nebula Filter (310205)

1.25" O-III Nebula Filter (310205) - Main image
1.25" O-III Nebula Filter (310205) - View 2
$78.09 $109.99 In stock

Category: Filters

Description

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 invisible regions of nebulae are clearly visible. This filter fits all standard 1.25-inch eyepieces and filter wheels. 

Specifications

Explore Scientific Nebula Filter 1.25" O-III Range from 483nm to 511nm with peak at 496nm. Transmission 96.7%

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Customer Reviews (4.8 / 5 · 5 reviews)

Stella G. ★★★★★

The view of the Veil Nebula through my telescope really popped once I screwed this filter on. I could see wisps of structure in the Cygnus Loop that were invisible without it, thanks to it passing only those specific oxygen lines. Definitely worth the upgrade for hunting supernova remnants.

Steven ★★★★★

The view through this filter on the Helix Nebula was stunning—the two oxygen lines really pop against the dark background. It screws into my 1.25" eyepiece perfectly and the image stays crisp without any weird halos.

Matthew ★★★★★

I was surprised by how much more detail popped out on the Veil Nebula compared to my old UHC filter—the doublet-peak transmission really isolates those O-III lines beautifully. The 1.25" size threaded right into my eyepiece without any adapters needed.

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