Zhumell 2 inch High Performance Ultra High Contrast UHC Filter
This particular filter allows light transmission in the doubly ionized oxygen wavelengths. This is particularly good for viewing double star systems where a lot of emissions are in the doubly ionized oxygen range.
Oxygen III (O-III) are great for viewing diffuse and planetary nebulae. The views of the Veil, Ring, Dumbbell, Crescent and Orion nebulae are dramatically improved.
Dimensions & Specifications
Telescope Accessories Series
Oxygen III Filters
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Default manufacturer warranty.
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