Technical data sheet
Baader 3.5 / 4nm f/2 Ultra-Highspeed CMOS-Optimized Filter Set (H-alpha / O-III / S-II)
Designed to ensure consistent quality, the Baader 3.5 / 4nm f/2 Ultra-Highspeed CMOS-Optimized Filter Set (H-alpha / O-III / S-II) is a narrowband nebula filter: 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 rewarding observation experience.
- Type: Narrowband Filter (Nebula)
- Brand: Baader Planetarium (German production)
- Available diameters: 1.25", 31 mm, 36 mm, 2", 50.4 mm, 50×50 mm, 65×65 mm
- Industry-standard optical and construction quality
Main Technical Specifications
| Brand | Baader Planetarium |
| Model | Baader 3.5 / 4nm f/2 Ultra-Highspeed CMOS-Optimized Filter Set (H-alpha / O-III / S-II) |
| Type | Narrowband Filter (Nebula) |
| Available diameters | 1.25", 31 mm, 36 mm, 2", 50.4 mm, 50×50 mm, 65×65 mm |
Take advantage of free shipping throughout Italy for orders over €199.99!
Baader 3.5 / 4nm f/2 Ultra-Highspeed CMOS-Optimized Filter Set (H-alpha / O-III / S-II)
Designed to ensure consistent quality, the Baader 3.5 / 4nm f/2 Ultra-Highspeed CMOS-Optimized Filter Set (H-alpha / O-III / S-II) is a narrowband nebula filter: 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 rewarding observation experience.
- Type: Narrowband Filter (Nebula)
- Brand: Baader Planetarium (German production)
- Available diameters: 1.25", 31 mm, 36 mm, 2", 50.4 mm, 50×50 mm, 65×65 mm
- Industry-standard optical and construction quality
Main Technical Specifications
| Brand | Baader Planetarium |
| Model | Baader 3.5 / 4nm f/2 Ultra-Highspeed CMOS-Optimized Filter Set (H-alpha / O-III / S-II) |
| Type | Narrowband Filter (Nebula) |
| Available diameters | 1.25", 31 mm, 36 mm, 2", 50.4 mm, 50×50 mm, 65×65 mm |
Take advantage of free shipping throughout Italy for orders over €199.99!
SKU:2961680
Baader 3.5 / 4nm f/2 Ultra-Highspeed Nebular Filter Set, CMOS-optimized (H-alpha / O-III / S-II)
- Regular price
- €790,00
- Sale price
- €790,00
- Regular price
-
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Baader 3.5 / 4nm f/2 Ultra-Highspeed CMOS-Optimized Filter Set (H-alpha / O-III / S-II)
Designed to ensure consistent quality, the Baader 3.5 / 4nm f/2 Ultra-Highspeed CMOS-Optimized Filter Set (H-alpha / O-III / S-II) is a narrowband nebula filter: 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 rewarding observation experience.
- Type: Narrowband Filter (Nebula)
- Brand: Baader Planetarium (German production)
- Available diameters: 1.25", 31 mm, 36 mm, 2", 50.4 mm, 50×50 mm, 65×65 mm
- Industry-standard optical and construction quality
Main Technical Specifications
| Brand | Baader Planetarium |
| Model | Baader 3.5 / 4nm f/2 Ultra-Highspeed CMOS-Optimized Filter Set (H-alpha / O-III / S-II) |
| Type | Narrowband Filter (Nebula) |
| Available diameters | 1.25", 31 mm, 36 mm, 2", 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

