Technical data sheet
Baader O-III Ultra-Narrowband Filters (4nm) CMOS-optimized
Designed to guarantee consistent quality, the Baader O-III Ultra-Narrowband Filter (4nm) CMOS-optimized is a narrowband filter for nebulae: it isolates emission lines and enhances details even from light-polluted skies. An original Baader Planetarium product, synonymous with precision and reliability.
Key features
Baader Planetarium quality for a reliable and satisfying observation experience.
- Type: Narrowband Filter (Nebular)
- Brand: Baader Planetarium (German manufacture)
- Available diameters: 1.25", 31 mm, 36 mm, 50.4 mm, 50×50 mm, 65×65 mm
- Optical and construction quality that is an industry benchmark
Main technical specifications
| Brand | Baader Planetarium |
| Model | Baader O-III Ultra-Narrowband Filter (4nm) CMOS-optimized |
| Type | Narrowband Filter (Nebular) |
| Available diameters | 1.25", 31 mm, 36 mm, 50.4 mm, 50×50 mm, 65×65 mm |
Take advantage of free shipping throughout Italy for orders over €199.99!
Baader O-III Ultra-Narrowband Filters (4nm) CMOS-optimized
Designed to guarantee consistent quality, the Baader O-III Ultra-Narrowband Filter (4nm) CMOS-optimized is a narrowband filter for nebulae: it isolates emission lines and enhances details even from light-polluted skies. An original Baader Planetarium product, synonymous with precision and reliability.
Key features
Baader Planetarium quality for a reliable and satisfying observation experience.
- Type: Narrowband Filter (Nebular)
- Brand: Baader Planetarium (German manufacture)
- Available diameters: 1.25", 31 mm, 36 mm, 50.4 mm, 50×50 mm, 65×65 mm
- Optical and construction quality that is an industry benchmark
Main technical specifications
| Brand | Baader Planetarium |
| Model | Baader O-III Ultra-Narrowband Filter (4nm) CMOS-optimized |
| Type | Narrowband Filter (Nebular) |
| Available diameters | 1.25", 31 mm, 36 mm, 50.4 mm, 50×50 mm, 65×65 mm |
Take advantage of free shipping throughout Italy for orders over €199.99!
SKU:2961400
Baader O-III Ultra-Narrowband Nebula Filter (4nm) CMOS-optimized
- Regular price
- €262,00
- Sale price
- €262,00
- Regular price
-
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Baader O-III Ultra-Narrowband Filters (4nm) CMOS-optimized
Designed to guarantee consistent quality, the Baader O-III Ultra-Narrowband Filter (4nm) CMOS-optimized is a narrowband filter for nebulae: it isolates emission lines and enhances details even from light-polluted skies. An original Baader Planetarium product, synonymous with precision and reliability.
Key features
Baader Planetarium quality for a reliable and satisfying observation experience.
- Type: Narrowband Filter (Nebular)
- Brand: Baader Planetarium (German manufacture)
- Available diameters: 1.25", 31 mm, 36 mm, 50.4 mm, 50×50 mm, 65×65 mm
- Optical and construction quality that is an industry benchmark
Main technical specifications
| Brand | Baader Planetarium |
| Model | Baader O-III Ultra-Narrowband Filter (4nm) CMOS-optimized |
| Type | Narrowband Filter (Nebular) |
| Available diameters | 1.25", 31 mm, 36 mm, 50.4 mm, 50×50 mm, 65×65 mm |
Take advantage of free shipping throughout Italy for orders over €199.99!
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Terms and conditions
Terms and conditions

