The Sky-Watcher FlexTube GoTo 355mm f/4.5 Dobsonian telescope is a top choice for astronomy enthusiasts looking to explore the deep sky and planets with high precision. With a very large diameter, this telescope offers exceptional brightness and detail. Thanks to its built-in WiFi module, it can be controlled via a smartphone for a modern and convenient observing experience. The FlexTube is collapsible, making transportation and storage easy without requiring complete disassembly or frequent realignment of collimation.

Specifications:

• Optical Design: Newton
• Useful Diameter: 355mm
• Focal Length: 1650mm
• F/D Ratio: 4.5
• Secondary Mirror: 93mm
• Resolving Power: 0.33 arc second
• Clarity: 3501x
• Recommended Maximum Magnification: 450x
• Eyepiece Holder: Crayford 50.8/31.75mm Sky-Watcher with microfocuser (Dual Speed 1:10)
• Telescope Tube Length (folded/unfolded): 970mm/1510mm
• Telescope Tube Weight: 23.5kg
• Mount: GoTo Dobsonian Azimuth, dual-axis motorized with automatic Go-To pointing
• Motorization: DC Servo Motors
• Go-To Pointing Accuracy: 5 arc minutes
• Encoder Accuracy: Motor Encoder: 1,620,000 steps/revolution, Axis Encoder: 11,748 steps/revolution
• Pointing Speeds: 1x to 1000x
• Go-To System: SynScan hand controller with 42,900 objects from common celestial catalogs
• Tracking Mode: Sidereal, Lunar, or Solar
• Wireless Connection: Built-in WiFi module
• Power Supply (not included): 10 to 15V DC 1A, 2.1mm plug (positive pole in the center)

Advantages:

• Very large diameter for detailed observations of the deep sky and planets
• Collapsible FlexTube design for easy transport and storage
• Maintains collimation even after folding and unfolding
• Control through smartphone thanks to the built-in WiFi module
• GoTo system for automatic pointing and precise motorized tracking
• Parabolic primary mirror made of Pyrex for better image quality and reduction of thermal effects
• Crayford eyepiece holder with microfocuser for precise adjustments
• Suitable for use by two people or for mounting in an observatory

Included:

• 1 Newton FlexTube Sky-Watcher 355mm f/4.5 optical tube
• 1 GoTo motorized Dobson azimuth mount
• 2 eyepieces 31.75mm: Super 10mm and Super 25mm
• 1 straight finder 9x50
• 1 cigarette lighter cable
• Manual in French