Orion starBlast 4.5 EQ User Manual

INSTRUCTION MANUAL
IN 260 Rev. B 01/09
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Orion
®
StarBlast
™
4.5 EQ
#9798 Equatorial Newtonian Reflector Telescope

Orion starBlast 4.5 EQ Specifications

Optical Specifications

primary mirror diameter	4.5" (114mm)
effective focal length	450mm
focal ratio	f/3.9
minor axis of secondary mirror	1.3" (34mm)
mirror coatings	Aluminum with silicon dioxide (SiO2) overcoat

Eyepiece Specifications

focuser type	Rack-and-pinion
eyepiece size	1.25"
eyepiece magnification with 15mm eyepiece	30x
eyepiece magnification with 6mm eyepiece	75x
eyepiece coatings	Fully coated with multi-coatings

Physical Specifications

finder scope	EZ Finder II reflex sight
mount type	EQ-1, German equatorial
tripod material	Aluminum
total instrument weight	17 lbs