Baader Narrowband Filter Set (6.5 nm) 36mm CMOS (SKU: 2961652) all astro filters opinie

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Next generation 36mm x 2mm Baader H-alpha (6.5nm) / O-III (6.5nm) / S-II (6.5nm) narrowband filter set – premium grade

Characteristic:

- Designed and recommended for optics from f/10 to f/3.5
- Coated with a Reflex-Blocker™ hard coating with sealed coating edges (Life-Coat™)
- Blackened filter edges eliminate unwanted reflections and a contrasting ring marks the front side of the filter
- Optimized for modern CMOS cameras, yet perfect for CCD camera technology
- Spectral range: 656.3nm (H-alpha) / 500.7nm (O III) / 671.7nm (S-II)

The set consists of filters:

• Baader H-alpha 36mm (6.5nm) CMOS filter
• Baader O-III 36mm (6.5nm) CMOS filter
• Baader S-II 36mm (6.5nm) CMOS filter

Technical parameters

• catalog number: 2961652
• weight: 190 g
• spectral classification: narrowband
• transmission: >90%
• frame: no
• size: 36mm
• spectral range (CWL): see graph
• Half-width (HBW): 6.5 nm
• anti-reflective coatings: Reflex-Blocker
• weight: 190 g
• use: astrophotography
• observational objects: deep sky
• warranty period: 24 months