The Sky-Watcher FlexTube GoTo 355mm f/4.5 Dobsonian telescope is an instrument of choice for astronomy enthusiasts wishing to explore deep sky and planets with great precision. With a very large diameter, this telescope offers exceptional brightness and detail. Thanks to its integrated WiFi card, it can be controlled via a smartphone for a modern and convenient observing experience. The FlexTube is collapsible, making it easier to transport and store without needing complete disassembly or frequent realignment of the collimation.

Features:

• Optical Design: Newton
• Effective Diameter: 355mm
• Focal Length: 1650mm
• F/D Ratio: 4.5
• Secondary Mirror: 93mm
• Resolving Power: 0.33 arc seconds
• Clarity: 3501x
• Recommended Maximum Magnification: 450x
• Focuser: Crayford 50.8/31.75mm Sky-Watcher with microfocuser (Dual Speed 1:10)
• Telescope Tube Length (collapsed/extended): 970mm/1510mm
• Telescope Tube Weight: 23.5kg
• Mount: GoTo Azimuthal Dobson mount, dual-axis motorized with Go-To automatic 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 control paddle with 42,900 objects from common celestial catalogs
• Tracking Mode: Sidereal, Lunar, or Solar
• Wireless Connection: Integrated WiFi card
• Power Supply (not included): 10 to 15V DC 1A, 2.1mm plug (positive pole in center)

Benefits:

• Very large diameter for detailed observations of deep sky and planets
• Collapsible FlexTube design for easier transport and storage
• Maintains collimation even after folding and unfolding
• Controlled via smartphone thanks to the integrated WiFi card
• GoTo system for automatic pointing and precise motorized tracking
• Parabolic primary mirror made of Pyrex for better image quality and reduced thermal effects
• Crayford focuser 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 motorized GoTo Dobson azimuthal mount
• 2 31.75mm eyepieces: Super 10mm and Super 25mm
• 1 straight finder 9x50
• 1 cigarette lighter cable
• User manual in French