An Oxygen-III, or O-III, eyepiece filter helps reveal details and improve contrast when viewing nebulas through a telescope Filter transmits close to 90% of the light corresponding to two oxygen-III spectral lines at 496nm and 501nm wavelengths O-III eyepiece filter blocks virtually all other visible wavelengths of light for optimized nebula-viewing performance Made with high quality optical glass in a double-threaded, metal filter cell Recommended for use with telescopes of 8" aperture or greater and for visual use only
Manufacturer | - |
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Brand | Orion |
Item model number | 05582 |
Color | - |
Weight | - |
Height | - |
Depth | - |
Product Id | 2501706 |
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User Reviews and Ratings | 3 (1 ratings) 3 out of 5 stars |
UPC | 759270055820 |
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2" Orion Oxygen-III Nebula Eyepiece Filter
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