Vixen Optics NA140SS Neo Achro 140mm f/6 Refractor Telescope (OTA Only)

Vixen Optics NA140SS Neo Achro 140mm f/6 Refractor Telescope (OTA Only)

Vixen Optics NA140SS Neo Achro 140mm f/6 Refractor Telescope (OTA Only)

B&H # VINA140SS MFR # 58681

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Product Highlights

  • 140mm Achromatic Refractor OTA
  • 800mm Focal Length, f/6 Focal Ratio
  • Rear Field-Flattener Correcting Lens
  • Internal Flip-Mirror Diagonal
  • 1.25" Dual-Speed Focuser
  • Vixen-Style Dovetail Plate
  • 7x50mm Finderscope with Bracket
  • OTA Only - Mount and Tripod Required
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Vixen Optics NA140SS overview

  • 1Description

Engineered with a large aperture and fast focal ratio for exceptional visual and imaging performance, the Vixen Optics NA140SS Neo Achro 140mm f/6 Refractor Telescope is equipped with a 2-group/4-element achromatic lens that corrects chromatic and spherical aberration to limit color fringing, off-axis comas, halo effects, and distortion for sharper and clearer views with accurate color representation and zero astigmatism. Its rear field-flattener correcting lens produces a flat and even field of view for improved astrophotography images. To achieve tack-sharp images and split binary stars, Vixen outfitted the NA140SS with a fine and coarse dual speed focuser.

For viewing or imaging, a versatile diagonal is provided. The diagonal has two eyepiece holders with an internal flip mirror to quickly and easily change the light path direction from the straight-through to the 90° position. Each eyepiece holder accepts 1.25" eyepieces to allow the use of different magnification eyepieces without having to change them; and the straight-through holder has threads for imaging system and adapters. When imaging, simply install an eyepiece in the 90° position and flip the mirror to check and correct tracking errors, or change subjects, between exposures - allowing the imaging system to remain on the straight-through position.

This iteration of the NA140SS Neo Achro is offered here without a mount or tripod for users who already have a reliable support system. The included cradle ring assembly has a Vixen-style dovetail plate to make it compatible with a wide variety of alt-az, EQ, and GoTo mounts; and a circular clamp system enables it to be placed anywhere along the OTA length for proper balancing, and the orientation of the eyepiece/diagonal can be adjusted to avoid interference with the mount, other equipment, cords, and the mount.

Optical Tube Assembly
  • Large 140mm aperture
  • Fast f/6 focal ratio
  • 800mm focal length
  • Refractor-style design
  • 2-group/4-element achromatic lens design corrects chromatic and spherical aberration to limit color fringing, off-axis comas, halo effects, and distortion - especially at the edges - for sharper and clearer views with accurate color representation and zero astigmatism
  • Multi-coated optics maximize light transmission, while improving color accuracy and contrast
  • Rear field-flattener correcting lens produces a flat and even field of view for improved astrophotography images
  • Resolution: 0.82 arcsec
  • Fine and coarse dual-speed focuser, with a 1.25" eyepiece holder and 60mm threads for accessories and imaging
  • 7x50mm finderscope with bracket
Observation and Imaging Diagonal
  • Dual 1.25" eyepiece holders: One set at 90° and another straight-through
  • Internal flip mirror allows easy switch between light paths for the use of two eyepieces or an 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
  • Threads on the straight-through light path enables direct connection of accessories and imaging systems
  • Optical tube assembly only - mount and tripod required for proper use
  • Includes tube ring set with a Vixen-style dovetail plate
  • Cradle ring assembly allows the orientation of the scope to be adjusted for a better viewing position; or to avoid interference with gear, equipment, or mount
  • OTA weight: 14 pounds
UPC: 811971013780
In the Box
Vixen Optics NA140SS Neo Achro 140mm f/6 Refractor Telescope (OTA Only)
  • Flip Mirror Diagonal
  • 7x50mm Finderscope
  • Mount Rings with Dovetail Plate
  • Limited 5-Year Warranty
  • Table of Contents
    • 1Description

    Vixen Optics NA140SS specs

    Optical Tube Assemblyaaqwtvfeyecdcsfetys
    Optical Design Refractor
    Aperture 140 mm / 5.6"
    Focal Length 800 mm
    Focal Ratio f/5.7
    Eyepiece Barrel Diameter 1.25"
    Diagonal No
    Finderscope No
    Mounting System None
    Weight 14.3 lb / 6.5 kg
    Packaging Infoaaqwtvfeyecdcsfetys
    Package Weight 22.5 lb
    Box Dimensions (LxWxH) 49.0 x 12.0 x 10.5"

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