Vixen Optics AX103S Refractor 103mm f/8 Apo Refractor Telescope (OTA Only)

Vixen Optics AX103S Refractor 103mm f/8 Apo Refractor Telescope (OTA Only)

Vixen Optics AX103S Refractor 103mm f/8 Apo Refractor Telescope (OTA Only)

B&H # VIAX103SOTU MFR # 26144

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Expected availability: 7-14 business days

Product Highlights

  • 103mm Apochromatic Refractor
  • 825mm Focal Length, f/8 Focal Ratio
  • Extra-Low Dispersion (ED) Glass Lenses
  • Field-Corrector Lens, Multi-Coated Glass
  • Dual 2" Eyepiece Holders
  • 90° Internal Flip Mirror
  • 7x50 Illuminated Finderscope
  • Mounting Ring Set with Carry Handle
  • Vixen-Style Dovetail Plate
  • OTA Only; Mount and Tripod Required
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$2,699.00
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Vixen Optics AX103S overview

  • 1Description

Vixen Optics' AX103S Refractor 103mm f/8 Apo Refractor Telescope is an ideal optic for astronomy and astrophotography. Optically, it's designed with a fully multi-coated 3-lens apochromatic extra-low dispersion (ED) glass lens system that corrects both spherical and chromatic aberrations. This correction creates a wide flat field of view without distortion and removes the blue-tinted "halo" effect for true high-contrast color transmission. A rear field corrector lens further corrects astigmatism and distortion at the edges of the lens so views remain crisp and sharp from edge to edge.

The scope can be used for multiple astrophotography techniques including prime-focus, afocal imaging, or eyepiece projection. A traditional rack-and-pinion focuser, with adapter rings, is employed to be able to handle the heavier loads of astrophotography rigs and can accept 2" eyepieces and accessories for making visual observations. Vixen includes a flip-mirror diagonal that allows the use of two different eyepieces for observational flexibility, or an eyepiece and imaging system that lets users simply flip the mirror to check alignment and tracking accuracy between exposures without having to touch the imager. While the AX103S is offered here without a mount or tripod, a Vixen-style dovetail plate that fits on compatible saddles is included, along with a mounting ring assembly with an integrated carrying handle to make setup and breakdown easier and safer.

Optical Tube Assembly
  • 103mm aperture
  • f/8 focal ratio
  • 825mm focal length
  • Extra-low dispersion (ED) glass lens corrects chromatic aberration for accurate color rendition
  • Three-element apochromatic optical path corrects for spherical aberration to improve clarity, contrast, and image sharpness
  • Fully multi-coated optics maximize light transmission
  • Rear field corrector lens reduces astigmatism and distortion, especially at the edge of the field of view
  • 1.13 arcsec resolution
  • Sturdy rack-and-pinion focuser
  • 7x50 finderscope with illuminated center aiming crosshair for precision positioning and alignment
Imaging
  • Dual 2" eyepiece holders
  • Internal flip mirror allows the use of two eyepieces or eyepiece/imaging combination
  • Able to perform various astrophotography techniques including eyepiece projection, prime-focus, and afocal imaging
  • When imaging, quickly flip mirror to check tracking between exposures without un-mounting imaging rig
  • 60mm and 50.8mm T-threads on straight-through light path allow the use of optional camera-specific T-rings
Mounting
  • Optical tube assembly only - mount and tripod required for proper use
  • Includes tube ring set with a Vixen-style dovetail plate
  • Carry handle for safe setup, breakdown, and transport
  • OTA weight: 10 pounds
In the Box
Vixen Optics AX103S Refractor 103mm f/8 Apo Refractor Telescope (OTA Only)
  • Vixen-Style Dovetail Plate
  • Flip-Mirror Diagonal
  • Mounting Ring with Carry Handle
  • 7x50 Illuminated Finderscope
  • Limited 5-Year Warranty
  • Table of Contents
    • 1Description

    Vixen Optics AX103S specs

    Optical Tube Assembly
    Optical Design Apochromatic Refractor
    Aperture 103 mm / 4"
    Focal Length 825 mm
    Focal Ratio f/8
    Eyepiece Barrel Diameter 2"
    Diagonal No
    Finderscope Yes
    Mounting System Vixen Style
    General
    Weight 10.0 lb / 4.6 kg
    Packaging Info
    Package Weight 17.0 lb
    Box Dimensions (LxWxH) 36.5 x 10.2 x 8.0"

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