Vixen Optics A70Lf 70mm f/13 ACHRO Refractor AZ Telescope with Mini Porta Mount

Vixen Optics A70Lf 70mm f/13 ACHRO Refractor AZ Telescope with Mini Porta Mount

Vixen Optics A70Lf 70mm f/13 ACHRO Refractor AZ Telescope with Mini Porta Mount

Vixen Optics A70Lf 70mm f/13 ACHRO Refractor AZ Telescope with Mini Porta Mount

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Product Highlights

  • 70mm Achromatic Refractor OTA
  • 900mm Focal Length, f/13 Focal Ratio
  • Multi-Coated Optics
  • 1.25" Focuser, 6.3mm and 20mm Eyepieces
  • Manual Mini Porta Alt-Azimuth Mount
  • Dual-Axis Slow-Motion Knobs
  • Threads for Optional Camera T-Rings
  • 1.25" 90° Erect-Image Diagonal
  • 6x24 Finderscope with Bracket
  • Adjustable-Height Aluminum Tripod
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Vixen Optics A70Lf overview

  • 1Description

With its easy setup and use, the Vixen Optics A70Lf 70mm f/13 ACHRO Refractor AZ Telescope presents new users with a complete observational platform for viewing astronomical and terrestrial objects of interest. Outfitted with an achromatic lens configuration in a refractor-style light path and with multi-coated optics, images are crisp and sharp with little color fringing or distortion and with accurate color in high contrast. An ideal choice for astrophotography, the rack-and-pinion focuser drawtube comes with a 1.25" eyepiece holder and standard T-threads to accept optional camera-specific T-rings for prime-focus techniques.

Supporting the optical tube assembly (OTA) is the highly portable and lightweight Mini Porta alt-azimuth mount. Built with a friction control system, there are no clumsy axis locks or clutches to manipulate, so the mount can be easily moved by hand for fast navigation. For more precise movement, the mount has dual-axis slow-motion knobs that allow for easy tracking without vibrations. The mount comes with an aluminum tripod that adjusts from 28 to 50" to accommodate a wide variety of users and viewing positions, with a center tray that adds stability to the legs while offering a place for eyepieces, filters, and other accessories. Vixen includes two eyepieces that produce high and moderate magnifications, plus an erect-image diagonal that allows the scope to be used as a conventional spotting scope for nature and bird watching, or general terrestrial observations.

Optical Tube Assembly
  • 70mm (2.8") aperture
  • f/13 focal ratio
  • 900mm focal length
  • Achromatic refractor design
  • Achromatic lens design limits color fringing and distortion, especially at the edges, for sharper and clearer views with accurate color representation
  • Multi-coated optics maximize light transmission and improve color rendition and contrast
  • Resolution: 1.66 arcsec
  • Rack-and-pinion focuser with 1.25" eyepiece holder to accept the most common size accessories
  • Standard 42mm T-ring thread for prime-focus astrophotography; optional camera-specific T-ring required
  • Integrated dew/sun shield
  • Tube ring set with Vixen-style dovetail plate
  • Weight: 4.2 pounds
Mount and Tripod
  • Mount:
  • Mini Porta mount
  • Manual alt-azimuth design
  • Dual-axis slow motion control knobs allow for precision adjustments and tracking with less vibrations
  • Smooth 360° rotation on azimuth axis
  • Friction control system: No locks or clutches for fast and easy manual hand adjustments
  • Vixen-style dovetail saddle
  • 20-pound (9.1kg) payload capacity
  • Tripod:
  • Aluminum legs
  • Two leg sections each
  • Adjustable height from 28 to 50"
  • Spiked feet provide additional stability on rough or soft ground
  • Large thumbscrew leg locks are easy to use even while wearing gloves
  • Center tray adds stability while offering a place to hold accessories
  • Use of optical tube diameters of less than 4.7" (11.9cm) recommended
  • 8-pound (3.6kg) payload capacity
  • Lightweight: 10 pounds
Included Accessories
  • Eyepieces:
  • 1.25" barrel diameter
  • Accepts most astronomical filters
  • 20mm eyepiece produces a moderate 45x power
  • 6.3mm eyepiece produces a high 143x magnification
  • Diagonal:
  • 1.25" snout and eyepiece holder
  • Integrated erect-image prism corrects view for use as a terrestrial spotting scope
  • 90° angle places head in a comfortable viewing position when the OTA is aimed straight up or when using as a spotter
  • Finderscope:
  • 24mm aperture
  • 6x magnification ensures a wide field of view for easier alignment and faster star-hopping navigation
  • 5° angular field of view
  • Mounting bracket included
UPC: 811971012998
In the Box
Vixen Optics A70Lf 70mm f/13 ACHRO Refractor AZ Telescope with Mini Porta Mount
  • Mini Porta Manual AZ Mount with Tripod vyqqyeuxczxbctfevzxdbtesxbxxxfaqbv
  • 6.3mm Eyepiece
  • 20mm Eyepiece
  • 90° Erect-Image Diagonal
  • 6x24 Finderscope with Bracket
  • Set Mounting Tube Rings
  • Limited 5-Year Warranty
  • Table of Contents
    • 1Description

    Vixen Optics A70Lf specs

    Optical Tube Assembly
    Optical Design Achromatic Refractor
    Focal Length 900 mm
    Focal Ratio f/12.9
    Resolution 1.66 Arcsec
    Eyepiece Barrel Diameter 1.25", 2"
    Finderscope Yes
    Type Alt-Azimuth
    GoTo Capability No
    Type Adjustable, 2 Section
    Tripod Height Adjustment Range 35.4 to 51.1" / 90.0 to 130.0 cm
    Material of Tripod Aluminum
    Weight 11.6 lb / 5.3 kg
    Packaging Info
    Package Weight 7.8 lb
    Box Dimensions (LxWxH) 39.0 x 9.0 x 9.0"

    Vixen Optics A70Lf reviews

    A70Lf 70mm f/13 ACHRO Refractor AZ Telescope with Mini Porta Mount is rated 5.0 out of 5 by 1.
    Rated 5 out of 5 by from High quality starting telescope This is a very good starting telescope for beginning astronomers. The optics are very high quality and the mount is particularly well suited to quick hand slewing and accurate aiming with manual slow motion controls. However, the simple finder telescope sight could be replaced with a red dot finder for easier targeting of night sky objects. The intrument is as compact as a refractor of this focal lenght could be, but buyers should consider investing in a padded carrying bag for safe and secure car-trunk transport.
    Date published: 2010-07-27
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