102mm Refractor on EQ3

120mm Refractor on EQ5

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Optical Design Achromatic Refractor
Lens Material
Diameter 120mm
Focal Length 1000mm
Scondary Mirror Diameter
F/ratio F/8.3
Highest Practical Power 240x
Faintest Steller Magnitude 13.1
Resoving Power 0.96
Finderscope 9×50*
Focuser diameter 2”
Diagonal 2” 90º Star Diagonal with 1.25” adapter*
Eyepiece(s) 1.25” Super PL 26 and Super PL 10*
Mount Type Equatorial
Slow-motion Control RA & DEC
Counterweight(s) Total 5.2 Kgs (2pcs)
Piggyback Bracket Yes
Accessory Tray Wall-to-wall
Ground Board Diameter n/a
Ground Board Weight(s) n/a
Motor Drive Single & Dual (Optional)*
Tube Weight 5.09Kgs
Tube Dimension(dia. x length) 12cm x 95.5cm
Tripod Height 90-127cm
Shipping Weight 23.7Kgs
Shipping Carton Dimensions 104 x 65 x 28 cm3

Standard accessories may vary.
Contact your local distributor for details

– Diameter/Aperture: 120mm
– Focal Length: 1000mm
– Multi-coated achromatic lens
– Aluminum tube
– Dew cap/Sunshade
– Adjustable Objective-lens Cell
– 9×50 finderscope (upgraded from 6×30 finderscope)
– Permits 38% more light than 102mm
– Big 120mm aperture ensures high-contrast and crisp image
– Smooth rack-and-pinion 2″ focuser with a 1.25″ adapter,
accepting both 1.25″ and 2″ eyepieces
– Ideal for high-power study of the moon and planets