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

The apochromatic eyepiece Sky-Watcher Black Diamond 80ED f/7.5 is an ideal choice for amateur astronomers and astrophotographers. With its renewed design and high-quality optical performance, it allows for detailed observation of planets, sun, and deep-sky objects.

Features:

• Optical formula: Apochromatic eyepiece
• Useful diameter: 80 mm
• Focal length: 600 mm
• Focal ratio: f/7.5
• Eyepiece holder: Crayford 50.8 mm Sky-Watcher Dual Speed (with 1:10 reduction)
• Weight (with rings and dovetail): 2.5 kg
• Tube dimensions: 620 mm x 100 mm
• 2-element multi-coated objective lens with FPL-53 glass (Schott)

Advantages:

• High-quality optics with ED FPL-53 glass for optimal correction of chromatic aberrations
• Metallic High-Transmission (MHC) treatment for exceptional brightness and contrast
• Crayford Dual Speed eyepiece holder for precise and stable focusing
• Robust aluminum design, without plastic parts, for increased durability
• Ideal for wide-field astrophotography thanks to its short focal ratio

Compatibility:

• Compatible with various astrophotography accessories and digital cameras

Tips and tricks:

• Use a corrector/reducer to optimize performance in wide-field astrophotography
• Perform a Ronchi test and StarTest to check optical quality before each observation session

Enjoy the quality and performance of the Sky-Watcher Black Diamond 80ED to explore the sky and capture incredible images of stars, planets, and nebulae.