The Sky-Watcher Dobson telescope FlexTube 355mm f/4.5 offers an exceptional observing experience with its very large diameter, ideal for deep sky exploration and planet observation. Thanks to its FlexTube foldable design, it avoids complete disassembly and collimation, while remaining transportable by two people or easily disassembled for transport.

Features:

• Optical Design: Newton
• Effective Diameter: 355mm
• Focal Length: 1650mm
• F/D Ratio: 4.5
• Secondary Mirror: 93mm
• Resolution Power: 0.33 arc seconds
• Clarity: 3501x
• Recommended Maximum Magnification: 450x
• Eyepiece Holder: Crayford 50.8/31.75 Sky-Watcher with microfocuser (Dual Speed 1:10)
• Optical Tube Length (folded/unfolded): 970mm/1510mm
• Optical Tube Weight: 24kg
• Mount: Dobsonian Altazimuth - Motorization not compatible

Advantages:

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

Included:

• 1 Sky-Watcher FlexTube Newton optical tube 355mm f/4.5
• 1 Dobsonian altazimuth mount
• 2 eyepieces 31.75mm: Super 10mm and Super 25mm
• 1 straight finder 9x50
• User manual in French