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Vixen Optics BT-ED70S-A 70mm f 5.7

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User Manual for Vixen Optics BT-ED70S-A 70mm f 5.7 Binocular Telescope with Pro Accessory Package

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Vixen Optics BT-ED70S-A 70mm f 5.7 Binocular Telescope with Pro Accessory Package Contents of the user manual for the Vixen Optics BT-ED70S-A 70mm f 5.7
  • Product category: Binoculars Vixen Optics
  • Brand: Vixen Optics
  • Description and content of package
  • Technical information and basic settings
  • Frequently asked questions – FAQ
  • Troubleshooting (does not switch on, does not respond, error message, what do I do if...)
  • Authorized service for Vixen Optics Binoculars

User manual for the Vixen Optics BT-ED70S-A 70mm f 5.7 contain basic instructions that need to be followed during installation and operation. Before starting your appliance, the user manual should be read through carefully. Follow all the safety instructions and warnings, and be guided by the given recommendations. User manual is an integral part of any Vixen Optics product, and if it is sold or transferred, they should be handed over jointly with the product. Following the instructions for use is an essential prerequisite for protecting health and property during use, as well as recognition of liability on the part of the manufacturer for possible defects should you make a warranty claim. Download an official Vixen Optics user manual in which you will find instructions on how to install, use, maintain and service your product.

And do not forget – unsuitable use of a Vixen Optics product will considerably shorten its lifespan!



Product description

The B&H Binocular Buying Guide Read More Vixen Optics gives you a complete observational rig with the BT-ED70S-A 70mm f/5.7 Binocular Telescope with Pro Accessory Package. The BT-ED70S-A binocular telescope features achromatic glass lenses combined with anti-reflection fully multi-coated optics that maximize light transmission while virtually eliminating chromatic and spherical aberration. The 70mm objectives and 400mm focal length produce a relatively fast f/5.7 optic for astroimaging or photography utilizing eyepiece imaging systems. Views through the telescope are bright and clear with true color rendition and high-contrast, and objects can be brought into sharp focus without comas or halos.Two ultra-wide angle 14mm eyepieces, that are included, produce a competent mid-range 28x magnification - ideal for observing the Moon, comets, asteroids, and meteor showers - and are compatible with most 1.25" eyepiece filters to further enhance the view. Each ocular is individually focused for precise pin-point views for every user, and accepts any 1.25" telescope eyepieces for changing the magnification to fit specific observation needs. The binocular is designed with the eyepieces set at a 45° angle to make long observation sessions comfortable whether viewing celestial or terrestrial subjects. Viewing with both eyes open eliminates the fatigue normally associated with holding one eye closed, as with traditional telescopes. Similarly, the angled oculars are more comfortable, especially when the scope is aimed at or near the zenith. With both eyes open, true stereoscopic vision is maintained, providing a rich depth of field rarely experienced during astronomy sessions.A manual alt-az mount is specifically designed for Vixen binocular telescopes and provides an easy way to find and track near and deep sky objects, or more earth-bound subjects, without excessive shake. Finding your subjects is made faster with the included XY Red Dot Finder that fits on the integrated shoe. Rounding out the platform is an adjustable-height aluminum tripod and a convenient accessory tray. With a minimum height of 25" and a maximum of 39", observers of most sizes can comfortably use this telescope standing up or sitting down.
  • BT-ED70S-A Binocular Telescope The BT-ED70S-A Binocular Telescope from Vixen Optics is a dual optical channel telescope that features apochromatic extra-low dispersion (ED) glass lenses and two 1.25-inch eyepiece mounts that allow the observer to equip the optic with a wide range of astronomy eyepieces. The fully multicoated lens system transmits a 400mm focal length and is capable of f/5.7 light gathering ability.The binocular design makes long observation sessions comfortable. Viewing with both eyes open eliminates the fatigue normally associated with holding one eye closed, as with traditional telescopes. With both eyes open, true stereoscopic vision is maintained providing depth of field for both terrestrial and astronomical viewing. Each eyepiece is individually focused, providing superior clarity versus binoculars with center-focus systems.
    • Apochromatic ED glass lens system with multilayer anti-reflective lens coating
    • 1.25" eyepiece mounts accommodate most astronomy eyepieces and Vixen's LV and LVW series eyepieces
    • Limiting stellar magnitude: 11.0
    • Individual eyepiece focusing allows superior clarity for any viewer
    UPC: 811971016132
  • SSW 14mm 83° Ultra Wide Eyepiece (1.25") This 14mm version of Vixen Optic's SSW 83&Deg; Ultra Wide Eyepiece delivers an immersive observational experience through a combination of optics and coatings that work together to produce bright and clear images across the entire expansive field of view. Its performance starts with a seven-element lens design using high-transmission/low dispersion lanthanum and exotic glass which limits distortion (spherical aberration) and color fringing (chromatic aberration) for edge to edge sharpness with true color rendition. Complementing the glass are proprietary anti-reflection optical coatings which increase contrast and help transmit the light through the system with very little loss.Designed with a 1.25" barrel for use with the most popular focusers and accessories, each eyepiece in the series has its own unique color for easy identification at a glance. The color is an anodized finish on the aluminum body so it not only acts as an identifier;it protects the exterior as well. Rounding out the features is a 13mm eye relief, a retractable eyecup, and an hexagonal anti-roll design. The SSW series of eyepieces are made by Vixen in Japan.
      Optical Performance
      • 14mm focal length
      • 83° ultra-wide field of view
      • High-transmission/low dispersion lanthanum and exotic glass
      • Anti-reflection fully multicoated optics for high-contrast images
      Use and Handling
      • Sleeve design for use with compression ring and screw eyepiece adapters
      • Retractable eyecup with rubber grip for great viewing and comfortable handling
      • Eye Relief: 13mm
      Construction Details
      • 1.25" diameter barrel
      • Lightweight aluminum body
      • Scratch and corrosion-resistant anodized finish
      • Color coded: Unique anodized color for each size eyepiece in the series
      • Hexagonal anti-roll design
      • Made in Japan
  • XY Dot Finder Vixen Optics designed their XY Dot Finder as a faster alternative to conventional magnified finderscopes. This unmagnified optic puts a red dot in the center of the sighting window that, when properly aligned with your optical tube, allows you to simply cover your target object with it and have it centered in your OTA's eyepiece. This design allows you to see the entire night sky above you for faster scanning and movement versus conventional finderscopes that limit your field of view. With eleven settings, controlled by an easy to use rheostat dial, the dot intensity can be set at the most comfortable brightness so you can see the dot without affecting your night-adjusted vision. This dot finder comes with an aluminum mounting bracket that is compatible with all Vixen OTAs and one CR2032 battery.
  • HF2 Altazimuth Fork Mount This HF2 Altazimuth Fork Mount from Vixen is an altazimuth mount that's designed for use with large astronomical binoculars. The fork mount can be fixed to most sturdy tripods with a 3/8"-16 mounting-stud, including Vixen's HAL130-GP and HAL130-SX tripods. To complete the assembly, an appropriate swing bracket must be attached to the binocular.
  • HAL 130SXG Aluminum Tripod The HAL 130SXG Aluminum Tripod from Vixen Optics is compatible with Vixen's Sphinx and GP telescope mounts. The adjustable height allows the user to set the position of the telescope to their liking for easy and comfortable viewing. The top of the tripod, where the mount attaches, is powder-coated for a durable finish that resists flaking and fading. The tripod is also collapsible for convenient storage and portability.
  • Triangle Accessory Tray This Metal Tripod Tray holds your observing accessories and lock the tripod legs into place.  It fits Vixen and other branded tripods (bolt holes are spaced about 9.5"/241mm apart), including current aluminum tripods for the GP, SP, GP-DX, Sphinx, Porta & Custom-D mounts.
In the Box Bundle Items BT-ED70S-A Binocular Telescope bbaaasyuafrxfbequyaerbcebycxwbrbayv
  • Limited Lifetime Warranty (Transferable)
SSW 14mm 83° Ultra Wide Eyepiece (1.25")
  • Limited 5-Year Warranty
XY Dot Finder bbaaasyuafrxfbequyaerbcebycxwbrbayv
  • 50mm Finder Bracket (Tall)
  • Allen Wrench
  • CR2032 Battery
  • Limited 5-Year Warranty
HF2 Altazimuth Fork Mount
  • Limited 1 Year Warranty
HAL 130SXG Aluminum Tripod bbaaasyuafrxfbequyaerbcebycxwbrbayv
  • Limited 5-Year Warranty
Triangle Accessory Tray
  • Limited 1-Year Warranty
Summer Binocular Buying Guide Christopher Witt 07/14/2016 A Guide to Marine Binoculars Todd Vorenkamp 06/25/2015 Pentax Sport Optics Binocular Roundup Joseph Albanese 06/24/2015 A Guide to Birding with Binoculars Todd Vorenkamp 06/16/2015 Table of Contents




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Technical parameters

  • BT-ED70S-A Binocular Telescope
    Prism Type Porro
    Objective Lens Diameter 70 mm
    Interpupillary Adjustment 9 to 15.8 mm / 0.4 to .6"
    Focus Type Individual
    Tripod Mount Yes (Adapter Optional)
    Dimensions 15.8 x 7.5 x 6.1" / 40.0 x 19.0 x 15.5 cm
    Weight 8.81 lb / 4.00 kg
    Box Dimensions (LxWxH) 14.0 x 12.0 x 11.0"
  • SSW 14mm 83° Ultra Wide Eyepiece (1.25")
    Focal Length 14 mm
    Barrel Diameter 1.25"
    Eye Relief 13 mm
    Apparent Field of View 83°
    Dimensions Not specified by manufacturer
    Weight Not specified by manufacturer
    Box Dimensions (LxWxH) 4.7 x 2.4 x 2.2"
  • XY Dot Finder
    Magnification 1x
    Battery 1 x CR2032
    Dimensions 4.5 x 4.5 x 1.5" / 11.4 x 11.4 x 3.8 cm
    Weight 9.0 oz / 255.2 g, with battery
    Box Dimensions (LxWxH) 6.0 x 6.0 x 1.0"
  • HF2 Altazimuth Fork Mount
    Box Dimensions (LxWxH) 15.95 x 15.4 x 5.85"
  • HAL 130SXG Aluminum Tripod
    Height Adjustment Range 25 to 39" (64 to 99 cm)
    Maximum Leg Spread 63.5" (161 cm) Diameter
    Construction Aluminum 2-piece adjustable legs
    Folded Length 32" (81 cm)
    Payload Capacity 77 lb (35 kg)
    Weight 12.1 lb (5.5 kg)
  • Triangle Accessory Tray
    Box Dimensions (LxWxH) 12.598 x 9.449 x 1.732"

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