Descripción
TECNICAL SPECIFICATION
Type – DOBSON TRUSS
Code – 10A202
EAN13-GS1 – 8058450361877
Optical design – Newtonian
Clear aperture – 304 mm (12”)
Focal length – 1500 mm
Focal ratio – f/5
Secondary mirror – 70 mm (3 inch)
Mount type – Wood Dobsonian
Primary cell – 9 point floating aluminium maschined
Secondary holder – Hight precision aluminium assembly
Focuser – Dual speed rack and pinion 2″+1.25″ low profile.
Alignment – Manual
Finder – Not included
Radius altitude bearings diam. – 480 mm
Truss tubes – Powder painted alu.tubes diam. 20mm with plastic balls.
Alt movement – By teflon
Azimuth movement – By teflon
Total assemble telescope weight – 23.4 Kg.
Heaviest part – 13,8 Kg.
Eyepiece height (zenith) – 1420 mm
Primary mirror: BK7 with correction of more than 1/5 lambda (PTV), with protective treatment (SiO2) 91% reflectivity
Secondary mirror: correction greater than 1/4 lambda (PTV) protective coating (SiO2) 91% reflectivity
Dimension:
Rocker box – 45x45x320 mm (including the circular plate) x 5,2 Kg
Mirror box – 425x425x275 mm x 13,8 Kg.
Upper assembly – 345×200 mm x 2,8 Kg
Tubes – 1,6 Kg.
Carton box – 500x500x500 mm
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