Celestron 93623 Narrowband Oxygen III 1.25 Filter

  • 9 years ago
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Celestron 93623 Narrowband Oxygen III 1.25 Filter

For viewing many common nebulas
Reduces glare and light scattering
Increases contrast through selective filtration
Made of high quality solid plane parallel glass with excellent homogeneity
Anti-reflection coated to prevent glaring and ghosting