Baader BDSF Digital Solar Filter 140 mm

The Baader BDSF Digital Solar Filter 140 mm Is a professional sunscreen for digital recordings of the sun with lenses or telescopes of approximately 140-170 mm outer diameter. The specially developed BDSF filter material allows safe and controlled shooting without risk to camera or optics.

The transmission is matched to camera sensors, keeping images neutral in color with no color cast. The flat, tension-free filter film provides an unprecedented level of detail - ideal for high-resolution solar photography.

The sturdy aluminium holder with soft clamping feet adapts to the tube diameter without damaging the lens. The filter is CE certified for safe application in photography.

Application
Designed for digital solar photography, not suitable for visual observation.

What you can photograph with it:

• Active sunspot regions and penumbra structures
• Granulation and faculae
• The edge of the solar disk in neutral white balance

Specifications
Type: Solar filter for digital photography
Series: Baader BDSF (Digital Solar Filter)
Filter material: AstroSolar Film (digital transmission)
Filter holder: Aluminum, with soft clamping feet
Effective opening: 140 mm
Suitable for lens/telescope diameter: approx. 140-170 mm
Color rendering: Neutral white
Use: For photography/video only (not visual)
Safety standard: CE certified, ISO 12312-2