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Equinox
Refractors
Reflectors
Widephoto Refractor
Dobsonians
Maksutov Cassegrains
Black Diamond ED Refractor
Auto-Tracking & AZ Goto
Widephoto Reflectors
Astrophotography Reflectors
Maksutov-Newtonians
DESCRIPTIONS
SPECIFICATIONS
BK 909EQ3
Recommend for:
Optical Design
Achromatic Refractor
Lens Material
Diameter
90mm
Focal Length
900mm
Scondary Mirror Diameter
F/ratio
F/10
Highest Practical Power
180x
Faintest Steller Magnitude
12.5
Resoving Power
1.3 arc sec
Finderscope
6x 30
Focuser diameter
Diagonal
Eyepiece(s)
1.25” Super10 & Super25
Mount Type
Slow-motion Control
Counterweight(s)
Piggyback Bracket
Yes
Accessory Tray
Yes
Ground Board Diameter
Ground Board Weight(s)
Motor Drive
Go-to
Tube Weight
2.49kg
Tube Dimension(dia. x length)
9cm x 86.5cm
Tripod Height
Shipping Weight
Shipping Carton Dimensions
Standard accessories may vary.
Contact your local distributor for details
COMPANY INFO
INTERNET CONNECTIONS
CONTACT SKY-WATCHER
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