User Manual

27
STARHOPPER SERIES
SPECIFICATIONS
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C14 • Mars • Image courtesy of Sebastian Voltmer
StarHopper 10600 10800 10110 10112
Models StarHopper 6 StarHopper 8 StarHopper 10 StarHopper 12
Optical Design Dobsonian Reflector Dobsonian Reflector Dobsonian Reflector Dobsonian Reflector
Aperture 6” (152mm) 8” (203mm) 10” (254mm) 12” (305mm)
Focal Length 48" (1219mm) 48" (1219mm) 50" (1270mm) 60" (1500mm)
Focal Ratio f/8 f/6 f/5 f/5
Eyepieces 25mm Plossl 1.25” 25mm Plossl 1.25” 32mm e-lux 2" 32mm e-lux 2"
Collimation Cap Yes Yes Yes Yes
Eyepiece Tray Yes Yes Yes Yes
Focuser 1.25" 2" 2" 2"
Finder 6x30 9x50 9x50 9x50
Primary BK7 BK7 BK7 BK7
Cooling N/A N/A Fan Fan
Mirror Cell 3-point 3-point 3-point 9-point
Azimuth Bearing Roller track Roller track Roller track Roller track
Altitude Bearing Nylon Cylinder Nylon Cylinder Nylon Cylinder Nylon Cylinder
Tension System Variable friction clutch Variable friction clutch Variable friction clutch Variable friction clutch
Handle Base Base Base Base
Tube Steel Steel Steel Steel
Highest Useful Magnification 359x 480x 600x 721x
Lowest Useful Magnification 22x 29x 36x 44x
Limiting Stellar Magnitude 13.4 14 14.5 14.9
Resolution: Rayleigh .91 arcsec .68 arcsec .54 arcsec .45 arcsec
Dawes Limit .76 arcsec .57 arcsec .46 arcsec .38 arcsec
Light Gathering Power 472 843 1317 1898
Field of View: standard eyepiece (°) 1.03 1.03 1.0 0.83
Linear FOV (@1000 yds) 54.1 54.1 52.5 43.6
Secondary Mirror Obstruction (inches) 1.5 1.95 2.5 2.75
by Diameter 25% 24% 25% 23%
by Area 6.3% 5.9% 6.3% 5.3%
Optical Tube Length 45” 45” 48” 58”
Telescope Weight 46 lbs 54 lbs 65 lbs 80 lb
Specifications are subject to change without notice or obligation.