Teleskops Explore Scientific Īpaši viegls 20 '' Dobson 500MM F / 3.6 II paaudze

Last but not least another gimmick: The optical tube and the mirror cell are designed to use also on heavy equatorial mounts.

Dimensions for mobile use:

DIMS total: 680x680x1790mm; Rockerbox 678mmx678mmx347mm; Mirrorbox 590mmx590mmx361mm; Trusses approx. 1084mm; Truss diameter: 25mm; Eyepiece height while pointing at zenith approximately 1,63m; 20’’ Total net weight: 53 kg; 20’’ Mirror Box + Altitude wheels: 35,8kg; 20’’ Secondary Cage: 3,8kg; Rockerbox: 10,6 kg; 20’’ 4 Truss pairs: 2,8kg; 20’’ Primary mirror: 20kg

SPECIFICATIONS

• Truss-Dobsonian telescope in full Aluminium construction
• Handcrafted in HUNGARY and GERMANY
• Fast 20’’ f3.6 optics with 1800mm focal length
• Large 120mm secondary mirror (short axis)
• Quarz primary- and secondary mirror set
• Laser engraved central mark on primary mirror
• Eyepiece height while pointing at zenith approximately 1,63m
• Full welded rigid telescope structure - no rivets and no screws
• Telescope tube and rockerbox powder-coated
• Collimation while observing with the delivered tooling
• DeLuxe 2,5’’ HEXAFOC focuser with 1:10 gear-reduction
• 8x50 finder scope with red illuminated reticle
• Slider bearings made from TEFLON und GRP for smooth and precise movement
• Improved primary mirror cell with completely redesigned mechanics
• High precision hinge system for secondary mirror holder
• Secondary mirror holder with adjustment mechnism along the optical axis
• 6 larger feet to improve stability
• Counter-weights (4 x 1.0 kg) included
• 2 universal finder slots to enable an easy finder position
• Quick-lock fasteners with new springloaded design for comfortable use
• Large powder-coated yellow altitude wheels for smooth tracking
• Altitude wheels can be stored in the mirror box
• 5 cooling fans are speeding up the cool-down time

SCOPE OF DELIVERY

• Truss Dobsonian Telescope
• Individual optical test report for primary mirror
• 8x50 finder with red illuminated reticle
• Stray light shield for secondary cage
• Primary mirror collimation tool
• Battery compartment with bag for fans
• Extension tube for focuser
• Reducer 2’’/1.25’’
• Manual

Technical Data