- This is a new, unopened filter
Optics Future 1.25" H-alpha 7nm Filter
Optics Future 1.25\" H-ALPHA 7N FILTER
A filter for isolating Hydrogen Alpha on the electromagnetic spectrum, this filter has a band pass accuracy of 7 Nanometers. A great value for the beginning amateur astrophotgrapher twho may want to image in light polluted areas.
- OFU 1.25" Ha filter
- Plastic case
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