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Explore Scientific | SKU:
310200
Nebula Filter Oxygen III 2.0-inch
Regular price
$139.99
Unit price
Shipping calculated at checkout.
Online OnlyShips direct — not stocked in our store.
Key Features
Description
Description
The Explore Scientific Nebula Filter Oxygen III (2-inch) is a high-contrast line filter built to isolate the two emission lines of oxygen for nebula observation. It's designed for viewing supernova remnants and other nebulae that glow specifically in OIII wavelengths.
- Narrow OIII bandpass: Transmits 483nm to 511nm with peak transmission at 496nm and 96.7% transmission.
- Highest contrast filter in the series: Isolates only the two oxygen emission lines, making faint OIII-glowing nebulae clearly visible.
- Reduces broad-spectrum objects: Dims objects like galaxies that glow across the visible spectrum, emphasizing nebulae instead.
- Fits standard 2-inch eyepieces: Compatible with 2.0-inch eyepieces and filter wheels.
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