- For Viewing Emission & Planetary Nebulae
- Minimizes Effects of Light Pollution
- Passes 483-511nm, 96.7% Transmittance
Intended for nighttime observation of emission and planetary nebulae, especially the Veil Nebula NGC 6992, the O-III Filter from Explore Scientific is compatible with telescopes featuring a 1.25"-diameter eyepiece. This filter is designed to only pass the two lines of ionized oxygen, between a 483-511nm range with 96.7% transmittance, in order to better discern fine details and boost the contrast of the specific emission lines for clearer viewing.
In the Box
Explore Scientific 1.25" O-III Filter
- Plastic Filter Case
- Unlimited Lifetime Transferable Warranty with Registration
Size | 1.25" / 31.75 mm (diameter) |
Transmittance | Range: 483-511 nm Transmission: 96.7% |
Construction | Not specified by manufacturer |
Packaging Info |
Package Weight | 0.55 lb |
Box Dimensions (LxWxH) | 6.4 x 5.1 x 1.8" |
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