EXPLORE SCIENTIFIC - GENERATION II - 16-INCH TRUSS TUBE DOBSONIAN TELESCOPE

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Explore Scientific Ultra Light Dobsonian 16" (406mm)

Part Number: DOB1645-00

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Modern 406mm truss-dobsonian telescope in full aluminium construction

Modern secondary mechanics - the collimation is easily achieved without tools and keeps collimation well during transports
Modern primary mirror cell - the telescope mirror can be collimated from the front while looking through the eyepiece and is supported by a modern floatation system with radial roller bearings
Large altitude wheels provide smooth and precise movement even at high magnifications
Secondary unit and altitude wheels fit into the rocker box and the mirror box includes a cover for transport so that the whole telescope breaks down into only two aluminium cases and the trusses
Extremely high rigidity construction
Dew-resistant because of aluminium construction: no deforming press board due to the exclusive use of metals
Lightweight: the aluminium profile/aluminium plate construction reduces the weight to about half of the mass of most press board designs of this price range
Two large radial fans for fast thermal equilibrium

Optical design	Newtonian Reflector
Mount Type	Dobson
Objective diameter (mm)	406
Focal length (mm)	1826
Magnification (with included accessories) up to	800
Focusing system	2" Rack-and-Pinion Focuser with helical gearing and 10:1 reduction
Material Primary mirror	BK-7
Warranty (Years)	3
Focus Group	Advanced Amateurs Visual enthusiasts
Power supply 1)	12V Batteries or mains adapter
Rain/Dust protection caps	Dust protection caps for open aperture and eyepiece holder
Aperture ratio	4.5
Angular resolution (arc seconds)	0.32
Mount type	Dobson
Transportability	very good
Colour	black
Secondary mirror diameter (mm)	88
Obstruction (%)	25
Primary mirror diameter (mm)	406
Material OTA	Metal
Field of application	Deep Sky Observation Lunar observation Planetary observation
Finderscope	LED-Red Dot Finder

Dimensions for mobile use: Rockerbox 550mmx550mmx330mm; Mirrorbox 480mmx480mmx300mm; Trusses approx. 1250mm

Eyepiece Height while pointing at zenith approximately 1,63m. 16 Total net weight: 38,4 kg; 16 Mirror Box: 23,8kg;

16 Secondary Cage + Rockerbox: 10,5 kg; 16 4 Truss pairs: 2,5kg; 16 Altitude Wheels: 1,6kg

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