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ZWO 30 mm f/4 Mini Guide Scope

Brand: ZWO

SKU : ZWO-30120

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  • This 30 mm (1.18-inch) aperture ZWO Guide Scope is compatible with all ASI cameras.
  • Optical Design: Doublet.
  • Aperture: 30 mm (1.18 inches).
  • Focal Ratio: f/4.
  • Focal Length: 120 mm.
  • Camera/Eyepiece Connection: M42x0.75.
  • Back Focus: Adjustable, 0 to 20 mm.

Product Details

  • Once attached to your ASI astro-imaging camera and a computerized mount controller, you will be able to guide your telescope to a desired area of the sky and lock it onto a specific star to hold your images stable.

    Doublet

    The optical lens is made of two simple lenses paired together to bring your images to focus and reduce chromatic aberrations.

    Dimensions

    The aperture of this mini-guide scope is only 30 mm (1.18-inches), the focal length is 120 mm, making this a fast focal ratio of f/4. The tube can travel 20 mm, and the back focus is also adjustable from 0 to 20 mm. The overall tube length is 122.5 mm, with the final 3.5 mm being the length from where the camera connection threads begin. The inside diameter of the tube is 30.5 mm. The outside diameter is 44 mm. Your camera connection will be M42*0.75.

    Total weight including the guider ring and dovetail: 250 g (0.55 pounds).

  • specifications

    Aperture30 mm (1.18")
    Back Focus0 to 20mm
    Camera/Eyepiece ConnectionM42x0.75
    Dawes Limit3.87 arcseconds
    Focal Length120 mm
    Focal Ratiof/4
    Hightest Magnification60x
    Light Gathering Power18x
    Tube Length122.5mm
    Weight0.55 lb (250 g)
  • included items

    • 30 mm mini guide scope.
    • Dovetail with mounting ring (one-fourth-inch screw hole).

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