The Sky-Watcher FlexTube 406mm f/4.4 Dobsonian telescope is designed to provide exceptional deep sky and planetary observations. With a very large diameter, it captures an impressive amount of light, revealing fine details of galaxies, nebulae, and planets. Its FlexTube design allows for easy folding for practical transport without requiring a complete disassembly, while maintaining collimation. Ideal for passionate amateur astronomers, it is easy to carry by two people or can be disassembled for simpler movement.

Features :

• Optical Design: Newton
• Effective Diameter: 406mm
• Focal Length: 1800mm
• F/D Ratio: 4.4
• Resolution Power: 0.29 arc seconds
• Clarity: 4579x
• Recommended Maximum Magnification: 500x
• Focuser: Sky-Watcher 50.8/31.75mm Crayford with microfocuser (Dual Speed 1:10)
• Optical Tube Length (folded/unfolded): 1071mm/1685mm
• Optical Tube Weight: 30kg
• Mount: Altazimuth Dobson - Motorization not compatible

Advantages :

• Very large diameter for detailed observations of deep sky and planets
• Foldable FlexTube design for easy transport and storage
• Maintains collimation even after folding and unfolding
• Crayford focuser with microfocuser for precise adjustments
• Parabolic primary mirror made of Pyrex for better image quality and reduced thermal effects
• Suitable for use by two people or for mounting in an observatory

Included :

• 1 Sky-Watcher 406mm f/4.4 Newton FlexTube optical tube
• 1 altazimuth Dobson mount
• 2 eyepieces 31.75mm: Super 10mm and Super 25mm
• 1 9x50 straight finder
• User manual in French