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Sky-Watcher BK 909AZ3 Refractor Telescope (Top Seller for Amateur Astronomy )
Sky-Watcher BK 909AZ3

Sky-Watcher BK 909AZ3 Refractor Telescope (Top Seller for Amateur Astronomy )

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Your Price: CAD308.23
Retail Price:CAD324.45

Your Savings:CAD16.22(5%)

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Part Number:20160
Sky-Watcher BK909AZ3

The Sky-watcher BK909AZ3 refractor is an entry level instrument but high-performance optics with large-diameter and AZ3 mount . It's excellent for  lunar and planetary observation but also allows you to observe the main deep-sky objects.

- Diameter/Aperture: 90mm
- Focal Length: 900mm
- Multi-coated achromatic objective lens
- Aluminum tube
- Dew cap/Sunshade
- Adjustable Objective-lens Cell (available in 2001)
- 6x30 finderscope for easy location of objects
- Pre-assembled tripod for convenient and quick assembly - Smooth rack-and-pinion 1.25" focuser
- 65% more light gathering power than 70mm
- Perfect for serious beginners

  • Recommend for: URBAN

    Optical Design Achromatic Refractor
    Lens Material  
    Diameter 90mm
    Focal Length 900mm
    Scondary Mirror Diameter n/a
    F/ratio F/10
    Highest Practical Power 180x
    Faintest Steller Magnitude 12.5
    Resoving Power 1.3
    Finderscope 6x30*
    Focuser diameter 1.25”
    Diagonal 90º Star Diagonal*
    Eyepiece(s) 1.25” Super 25 and 10*
    Mount Type Alt-Azimuth
    Slow-motion Control Vertical & Horizontal
    Counterweight(s) n/a
    Piggyback Bracket Yes
    Accessory Tray Wall-to-wall
    Ground Board Diameter n/a
    Ground Board Weight(s) n/a
    Motor Drive n/a
    Go-to n/a
    Tube Weight 2.49Kgs
    Tube Dimension(dia. x length) 9cm x 86.5cm
    Tripod Height 71-123cm
    Shipping Weight 12Kgs
    Shipping Carton Dimensions 103.5 x 45 x 25 cm3

  • 5 Stars
    very good
    it's a very good telescope it's best away from city light's or other light sources very good for begginers of all ages better for kid's aged 12-17 easy to use and set up you can see the rings of saturn overall a great telescope.
    Did you find this helpful?  5 of 5 Found Helpful
    Reviewed by:  from canada. on 7/24/2012

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