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VIXEN f5 PORTA II-R130Sf Newtonian Reflector Telescope


Key Features
  • 650mm f/5 Newtonian Reflector
  • 5.0″/127mm Aperture
  • Porta II Mount with Tripod
  • PL 20mm Plossl Eyepiece
  • PL 6mm Plossl Eyepiece

Product Description

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VIXEN f5 PORTA II-R130Sf Newtonian Reflector Telescope

This VIXEN f5 PORTA II-R130Sf Newtonian Reflector Telescope features excellent rigidity, stability, and portability, the popular PORTA II alt-azimuth mount with superior 130mm aperture newtonian reflector outperforms in viewing faint celestial objects like nebulae and star clusters.

For gazing wide and bright field of view, and faint objects like nebulae and star clusters

The R130SF from Vixen is a 5.0″ Newtonian reflector telescope with a focal length of 650mm. Delivering excellent light throughput and resolution via its f/5.0 aperture, the R130SF provides clear views of deep sky objects, nebula, clusters and galaxies.

This fine optical instrument comes configured with mounting rings, a dovetail plate, and a 6×30 finder with a bracket and shoe. Two 1.25″ eyepieces are also included – 1 PL 6mm, and a PL 20mm.

The mounting platform is the Porta II mount – a solid altazimuth mount with a 20 lb capacity and sturdy adjustable legs. Its versatile and rugged construction provides smooth and accurate tracking of celestial and terrestrial objects. Vixen’s geared drive system has no locks or clutches, and the flexible slow motion handles minimize vibrations for sharp clear viewing. The tripod is easily adjusted from 35.4-51.2″ and the standard mounting bolt ensures the ability to move the mount to a taller or heavier tripod if necessary.

Vixen Telescope PORTA II-R130Sf Description

  • Slow motion handles

    The whole-circle slow motion movement of the PORTA II provides smooth telescope operation at every pointing angle. Handle positions of both vertical and horizontal slow motion controls can be altered in 45-degree increments. This allows a comfortable posture while using the slow motion handles for various size optical tubes.

  • Dovetail-plate attachment

    With Vixen’s renowened dovetail-plate system, many optical tubes, up to 160mm in outer diameter, can easily be swapped on and off the mount.

  • Accessory tray

    An accessory tray holds small pieces such as a camera or eyepieces. Very useful when observing at night.

  • Compartment for tools

    Slow motion handles positions and the amount of friction on the axes are adjusted with tools located in the compartment under the rubber covering. You will always have your tools available.

  • Detachable tripod system

    The mount head and tripod are detachable by single fixing bolt which makes it convenient for transport and storage.

  • Friction control system

    Optical tube can be moved freely by hand and the friction holds its position anwhere you stop it. It allows you to manually point the telescope at target celestial objects you wish to view.

  • Finder scope

    All optical tube units with PORTA II alt-azimuth mount is equipped with finder scope to facilitate pointing the celestial object.


Optical tube

  • Primary mirror
    130mm parabolic mirror, multi-coated
  • Focal Length
    650mm (f/5)
  • Reolving power / Limiting magnitude
    0.89 arc sec. / 12.3
  • Light gathering power
    345x unaided eye
  • Dimensions / weight
    L: 575mm, OD: 160mm, 5.3kg (body 4.0kg)
  • Finder scope
    6x30mm, actual field of view 7 deg.


  • Visual back
    42mm for T-ring, 31.7mm push fit
  • Eyepiece (Dia. 31.7mm)
    PL20mm (33x), PL6.3mm (103x)

Alt-azimuth mount

  • Mount type
    PORTA II alt-azimuth mount
  • Vertical and horizontal slow motions
    Worm and wheel gears with 120-tooth whole-circle movement, with slow motion handles
  • Optical tube setting up
    Dovetail-plate attachment system
  • Maximum loading capacity
    Approx. 5kg
  • Weight
    5.7kg including tripod


  • Material / Type
    Aluminum 2-sectional legs (with tray)
  • Dimensions / weight
    L: 900mm⇔1,300mm, H: 705⇔1,200mm, Radius: 370⇔606mm


  • Photography
    Eyepiece projection, prime-focus, afocal imaging.
  • Solar observation
    Not possible
  • Total weight
    11.0kg without eyepiece

Additional Information

Weight 15 kg
Dimensions 800 × 600 × 900 mm
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