Sky-Watcher Black Diamond 80ED f/7.5 Dual Speed Apochromatic Refractor

The Sky-Watcher Black Diamond 80ED f/7.5 apochromatic refractor is a perfect choice for amateur astronomers and astrophotographers looking for a high-performance instrument. Its renewed design and mechanical advancements ensure a high-quality observation and photography experience.

Features:

• Optical formula: Apochromatic refractor
• Effective diameter: 80 mm
• Focal length: 600 mm
• Focal ratio: f/7.5
• Focuser: Sky-Watcher 50.8 mm Crayford Dual Speed (with 1:10 reduction)
• Weight (with rings and dovetail): 2.5 kg
• Tube dimensions: 620 mm x 100 mm
• Objective with 2 multi-coated elements with FPL-53 glass (Schott)

Advantages:

• High-quality optics with ED FPL-53 glass for optimal correction of chromatic aberrations