Explore Scientific 0116950, Instruction Manual

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1 Validity note
This documentation is valid for the products with the following article numbers:
0116950
Manual version: 0820
Manual designation:
Manual_0116950_UL-Dobson-20_en_EXPSC_v082020a
Always provide information when requesting service.
2 Properties:
• Open truss tube design in all-aluminium construction
• Mounting as Dobson system
• Manufactured in Hungary and Germany
• Fast 20" f3.6 optics with 1800mm focal length
• Large 120mm secondary mirror
• Quartz primary and secondary mirrors with test certificate
• Laser engraved main mirror center marking
• Low viewing height of only 1.63m at the zenith
• Extremely high rigidity of the construction
• Tube structure completely welded - without rivets and screws
• Tube and rocker box completely powder-coated
• Adjustable main mirror during observation
• Improved primary mirror cell with precise adjustment mechanism for optics adjustment
• 5 fans for quick temperature adjustment
• DeLuxe 2.5'' HEXAFOC focuser with 1:10 gear reduction and 1.25'' adapter
• 4pcs counter weights with each 1 kg included
• 8x50 viewfinder with illuminated crosshair included
• 2 mounting plates with universal viewfinder slot
• Friction adjustment and lateral guidance in the height axis for more precise tracking and individual
adjustment options
• Axle sliding pads made of GRP plastic and Teflon for much more precise and smoother tracking
• Abrasion-resistant powder-coated elevation wheels enable jolt-free positioning and can be stowed
in the mirror box
• Spring loaded fasteners for easier operation and a better fit
• Precision mechanics for the secondary mirror support
• Secondary mirror holder with adjustment mechanism along the optical axis
• 6 large feet for a better stand