20" SuperMaser Telescopes
Designed and made in Italy
Explore the sky with our 20″ Dobsonian Telescope. Enjoy smooth movements, impeccable stability, and absolute precision. Discover the features of this high-quality astronomical instrument.
OPTIONAL EQUIPMENT
Telescopes wheels kit
Fast coupling wheels with run-flat tyres and handlebars for easy transport of the alt-azimuth telescope. No socket wrench is nedded.
Euro 290,00
Telescopes digital circles
The passive pointing system shows telescope´s position with high accuracy directly on the electronic planetarium maps (e.g. Sky Safari), which help the observer to point the telescope at any celestial object extremely quickly and easily. Also very useful when you want to use the telescope for educational purposes, viewing on a tablet or mobile phone allows you to check that the object is centered even when other people are observing. Consisting of 2 encoders with 10,000 steps and a Push-To control system that allows connection via Wi-Fi or Bluetooth to the phone. No visible cables, everything runs inside the telescope. Included in the kit is a pole with quick-release fix to the fork. (Table or phone is not included)
Euro 680,00
Carbon fiber tube
The carbon fiber trusses allow better structural rigidity of the optical tube of the Dobsonian telescope with a low weight.
Euro 390,00
Telescope adjustable feet
The Newtonian telescope is supplied with three height-adjustable feet and a spirit level. Indispensable for putting the azimuth axis perfectly vertical for those who use the scope with digital circles.
Euro 225,00
Telescope folding fork
Useful for those who have to transport the telescope completely disassembled and need to reduce the overall dimensions to a minimum.
Euro 260,00
Upper lens hood
The integral lens hood improves shielding from stray lights and, thanks to its absorbent power, prevents the secondary mirror from fogging up.
Euro 130,00
Telescope laser Support
It is possible to insert any laser pointer up to 1″ (25 mm) in diameter. It’s complete with female quick coupling dovetail support.
Euro 70,00
Finder scope
As an alternative to standard 8×50 finderscope, it’s possible to supply 12x80mm finderscope with erect image and illuminated crosshair reticle complete with mounting bracket and female dovetail support adding:
Euro 90,00
Telescope fans kit
It is composed from three fans. They are used to speed acclimatization of the primary mirror .
Euro 75,00
Extra boxes :
Base triangle box
Euro 180,00
Breech box with cap
Euro 240,00
Folding fork
Euro 180,00
Central ring box
Euro 180,00
Technical specification SuperMaser 20"
Optical scheme | Newton |
Primary mirror diameter | 510mm |
Optical diameter | 505mm |
Focal length | 1700mm |
Focal Ratio | F/3.4 |
Type of glass | Supremax®33 Fine annealed |
Finish quality | standard ʎ/4 P.V. on request ʎ/8 P.V. |
Primary mirror riflectivity | standard 89% on request 95% |
Secondary mirror riflectivity | 95% |
Mirror cell | 18 floating point |
Secondary holder | 8 steel sheets under tension |
Linear obstruction | 24% |
Focuser | Cryford style focuser 2" /1.25 with 1:10 reduction |
Mounted telescope weight (counterweight excluded) | 68Kg |
Heaviest part | 22Kg |
Eyepiece height at Zenith | 1740mm |
Height movement | ball bearings and adjustable friction |
Azimuth movement | ball bearings and adjustable friction |
Assembly time(accessory included) | 5 - 7 minuts |
Price Euro (*) | 13.300,00 |
(*)All price are vat and delivery cost excluded