Astronomy filters for astrophotography Narrowband Filter 3nm H-Alpha and OIII
Astronomy filters for astrophotography Narrowband Filter 3nm H-Alpha and OIII
- Ultra-narrow 3nm (H-Alpha & OIII) bandwidth, ideal for photographing emission and planetary nebulae;
- Minimal halo coating design, effectively blocking excess light and reducing halos;
- Features an M48×0.75 thread and a lens barrel size of Φ50.8×7mm. Compatible with mainstream photographic equipment;
- Perfectly compatible with full-frame telescopes and cameras.





