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Telescopio TS UNC 12" f/5 newtonian telescope with German made carbon tube and 2" ACUN focuser [Teleskop-Service ]

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-- lightweight but stiff carbon tube "Made in Germany "
-- better field illumination by optimized focus position
-- TS modified primary mirror holder - 9point flotating cell and secondary holder
-- comfortable collimation of main mirror and secondary mirror without tools
-- diffraction limited main mirror
-- Better 94% reflection on main mirror and secodary mirror for a brighter image
-- 2" ACUN Crayford focuser with dual speed - only 50mm heigh!
-- optimized focus position for astrophotography or visual observing


 


 


 





























































Aperture 305mm
focal: 1500mm
aperture/ratio: 1:5
primary mirror: mirror material BK7 - 94% Reflektion
secondary mirror: 80mm diameter small axis - 94% Reflektion
tube: Carbon - tube diameter 356mm - Carbon / hard foam sandwich - 7mm thick
focuser: 2" ACUN focuser with 1:10 dual speed
primary and secondary mirror holder: primary mirror holder - metal - fully adjustable
secondary mirror holder - carbon/metal - fully adjustable
focus position: 65mm starting from the 2" tube of the focuser - optimized for all main coma correctors. Other positions possible ( visual or ASA reducer )
illumination for phototgraphy: 100% of illuminated field D=25,8mm (at 65mm above the focuser)
weight: 16kgs with tube rings but without finder
length depends from the back focus ... around 1500mm


 


 

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