Celestron I Filter Set for 1.25 inch Eyepieces

The Celestron I Filter Set is a comprehensive collection of four essential filters designed for 1.25" eyepieces, perfect for planetary and lunar observation. Each filter is crafted from high-quality optical glass with anodized aluminum cells, ensuring durability and optimal light transmission. The set includes a #80A Blue Filter, #25 Red Filter, #21 Orange Filter, and a Neutral Density (Moon) Filter, each serving a specific purpose to enhance contrast and reveal subtle details on celestial objects. Whether you're observing Jupiter's Great Red Spot, Martian surface features, or reducing lunar glare, this filter set provides the versatility needed for serious amateur astronomers.

Advantages

Enhances contrast and detail on planets and the Moon. The included filters target specific wavelengths to bring out features like Jupiter's cloud belts, Saturn's rings, and Mars' polar caps. The Moon filter reduces glare and eye strain, making lunar observation more comfortable. All filters are threaded to standard 1.25" filter threads (M28.5 x 0.6), ensuring compatibility with most eyepieces and accessories. A durable plastic storage case keeps the filters organized and protected.

Suitable for

• Planetary observation (Jupiter, Saturn, Mars, Venus)
• Lunar observation
• Amateur astronomers using 1.25" eyepieces
• Astrophotography (basic contrast enhancement)

Key specifications

• Filter Type: Planetary & Lunar
• Filter Size: 1.25 inches (31.75mm)
• Number of Filters: 4
• Included Filters: #80A Blue, #25 Red, #21 Orange, Neutral Density (Moon)
• Filter Material: Optical glass
• Filter Cell Material: Anodized aluminum
• Thread Standard: M28.5 x 0.6
• Storage Case: Included plastic case

Recommendations

For best results, use the #80A Blue filter to enhance Jupiter's Great Red Spot and Saturn's rings. The #25 Red filter is ideal for Martian surface details, while the #21 Orange filter improves contrast on lunar features and Jupiter's cloud belts. The Moon filter is essential for comfortable lunar viewing. Combine filters with a quality telescope and eyepiece for optimal performance.