BETA Baader ND-filter 1.8 (OD=1.8 T=2%) 1.25

The Baader ND Filter 1.8 is a high-quality neutral density filter designed for astronomical observation. With an optical density of 1.8 and light transmission of 2%, it reduces glare and enhances contrast on bright celestial objects such as the Moon and planets. The filter fits standard 1.25-inch eyepieces and accessories, featuring fine-optically polished glass and an anodized aluminum mount for durability.

Advantages

This filter provides absolute color neutrality, ensuring natural color rendition while reducing brightness. It is ideal for observing bright objects without losing detail, and its fine-optical polishing guarantees high image quality.

Suitable for

• Lunar and planetary observation
• Bright deep-sky objects
• Reducing glare and improving contrast

Key specifications

• Filter Type: Neutral Density (ND)
• Optical Density: 1.8
• Light Transmission: 2%
• Filter Factor: 50x
• Filter Size: 1.25 inch (31.75 mm)
• Thread Standard: M28.5 x 0.6
• Optical Material: High-quality optical glass
• Mount Material: Anodized Aluminum

Recommendations

For best results, use with telescopes and eyepieces that accept 1.25-inch filters. This filter is an essential accessory for lunar and planetary observers seeking to enhance contrast and reduce glare.