Baader Astrosolar ND 5.0 Solar Filter (20x29cm) suitable for observing and photographing solar activity.

• AstroSolar film that offers high optical performance.
• Minimizes light diffusion with uniform, double-sided metallic coatings.
• The Sun appears in its true color, neutral white.
• Allows observation of details such as sunspots and prominences.
• Safe and durable film, resistant to drops.
• ND-5 absorption factor, allowing the passage of 1/100,000 of visible light.
• Absorbs all ultraviolet radiation and reflects infrared.
• Rated safe for direct solar observation by the German National Station Service.