Astronomik Narrowband 4nm Filters
Astronomik Narrowband 4nm Filters – Emission line filters ideal for imaging nebulae from light polluted skies. *Courier “clearance fees” ~$20 may apply on US deliveries for filters*
Specifications
- Size
- 1.25" (M28.5), threaded, 31mm, unmounted with protective cell / unthreaded, 36mm, unmounted with protective cell / unthreaded, 2" (M48), threaded, 50mm round, unmounted with protective cell / unthreaded, 50x50mm square, unmounted with protective cell / unthreaded
AI Readiness
Good foundation, but some important product data is still missing.
71%