SKYWATCHER 18-inch D-458 Newtonians opinie


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SKYWATCHER 18-inch D-458
 
 
Availability: product is not availabe at the moment - please contact us (kontakt@teleskopy.pl) in order to obtain information on availability time

 

 
SKYWATCHER 18-inch D-458
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Each experienced astroamator will confirm that in visual observations there is not a big Newton telescope in the dark sky. Sky-Watcher presents StarGate 18 - a Dobson telescope with lattice construction and a 45 cm diameter mirror. His powerful ability to collect light guarantees top-shelf sensations, both on the planets and in observations of the Deep Universe's objects. At the same time, one person will be able to assemble this telescope in 30 minutes without much difficulty, and the toughest element is only 18 kg - the telescope even encourages you to pack it in the car and put it as dark as possible.



Technical parameters

• Optical system: Newton's headlamp
• Diameter of the mirror: 458 mm / 18 inches
• Figure of the mirror: rotating paraboloid
• Glass grade in the mirror: borosilicate glass with low expansion
• Focal length of the lens: 1900 mm
• Lighted: 1/4
• Accuracy of the mirror's performance: 1 / 8?
• Diameter of the secondary mirror (smaller half): 120 mm, 26%
• Star range: 16 magicians
• Minimum useful magnification: 65x
• Maximum useful magnification: 914x
• Length of the tube (min / max): 194 cm
• Weight: 50 kg
• Weight of individual boxes (packed telescope): 31kg, 10kg, 27kg, 23kg
• Dimensions of individual boxes (packed telescope): 79x76x36 cm3; 71x70x44 cm3; 81x75x28 cm3; 107x50x28 cm3


Usage

Moon
the planet
star clusters
nebulae
planes













Equipment

The set includes the following accessories:

• Crayford 2 "focuser with 1.25" reduction and 10: 1 microfocus
• LET 2 "/ 28 mm (68x) glasses, SPL10 (190x)
• Dobson assembly (azimuthal)
• 8x50 optical finder

Warranty

3 years

Warning!

This device focuses a lot of light. Looking directly at the sun through this device can result in partial or complete loss of vision. For the observation of the Sun, we recommend the safest method of spectacle projection, that is, projecting the image of the target of our day star on a piece of paper.

ADDITIONAL MATERIALS


READ THE NEWTON TELESCOPIC TELESCOPIC GUIDE
[PDF]


READ : A SHORT OPTICAL CLEANER GUIDE
[PDF]


READ : HOW TO GET A COMPACT WITH A TELESCOPIC
[PDF]


PLEASE READ : HOW TO GIVE A DIGITAL MULTIPLE TELESCOPE
[PDF]


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