Celestron Stereo Binocular Viewer

Celestron Stereo Binocular Viewer

Celestron Stereo Binocular Viewer

B&H # CEBV MFR # 93691
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Product Highlights

  • For SCT Scopes w/ 1.25" Focusers
  • Requires 2 1.25" Eyepieces
  • Allows Two-Eye Viewing
  • Creates 3D Effect

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Celestron 93691 overview

  • 1Description

The Celestron Stereo Binocular Viewer gives you incredibly comfortable three-dimensional viewing, with far less eye fatigue from extended viewing.

Using two eyes to view through a telescope achieves the odd duality of being both relaxing and thrilling.  It is relaxing to not have to squint or cover one of your eyes, affording longer sessions without fatigue.  And the perception of depth you'll get from using both of your eyes is an awesome thrill that you'll not understand until you experience it.

Though the stereoscopic effect of using two eyes shouldn't be relevant at stellar distances, in actuality that theory is plainly dispelled.  The background sky seems cast far beyond the star, an inky black canvas setting off the object of interest like never before.  Subtle nuances of double stars are revealed for the first time despite dozens of previous gazes.  Though less than half of the previous amount of light reaches each eye, it nonetheless seems brighter because your mind's eye "gains" much more than is lost by the mirror.

Of course, all of this comes at the expense of needing two eyepieces and this device.  While not exactly inexpensive, it is a far cry less dear than similar units from other manufacturers.  But if you are an enthusiastic observer after the mystical unencumbered walk through space, then this is the tool that will deliver it.

The Celestron binocular viewer is well tailored and solidly constructed, with lots of good thinking in its design.  It has a rubberized and dimpled surface to both absorb knocks and provide a firm grip in damp, cold conditions.  The choice for the type of prism and its coatings was not skimped a bit, for high resolution and edge brightness.

Currently the Celestron Stereo Binocular Viewer works properly with all of Celestron's Schmidt-Cassegrain design telescopes, and very likely with any Schmidt-Cassegrain.  Many refractors with a removable focuser drawtube can also be used, and with those which don't have a removable tube you can generally achieve focus with a short 2x Barlow lens placed in front of the device.  The binocular viewer is designed to go directly into 1.25" focusing tubes, and will not work properly while behind another prism or erecting diagonal.

Interpupillary distance adjustments do not cause focusing changes
Fully multicoated BaK-4 prisms
Eyepiece dioptric scales for sharp focus & easy resetting
Metal thumbscrews
Accepts 1.25" filters upon nosepiece-so only one filter's necessary, and changing eyepieces doesn't change the filter
NOT RECOMMENDED FOR EYEPIECES WITH FOCAL LENGTH LONGER THAN 25MM
UPC: 050234936903
In the Box
Celestron Stereo Binocular Viewer
  • Metal Hardshell Case
  • 1-Year Warranty
  • Table of Contents
    • 1Description

    Celestron 93691 specs

    Weight 1.11 lbs (505g)
    Packaging Infovqcrrbfv
    Package Weight 2.2 lb
    Box Dimensions (LxWxH) 7.45 x 6.95 x 3.45"

    Celestron 93691 reviews

    Stereo Binocular Viewer is rated 5.0 out of 5 by 3.
    Rated 5 out of 5 by from Stunning sight looked at Williams optical version and almost clicked cart but hesitated looking instead at Celestron didn't want to add to my collection of not so great eyepieces when I am satisfied with my Meade HD60's and decided on two of their 18mm's to go with the Celestron Bino of course I'd prefer televue type 6's, but then I added matches for my Meade 12 and 9mm's. It appears to be identical insides as the WO anyway. Result is STUNNING especially the moon. It feels like you need to hang on to something so you don't fall in! no barlow needed on my 8Meade ACF cat. either so I get more of the light. Deep sky is awesome too, you just relax and and enjoy. How many ball games do you watch with one eye closed? Wish the sun would go down sooner!
    Date published: 2016-11-18
    Rated 5 out of 5 by from Excellent Easy to use, comfortable and accurate
    Date published: 2014-03-20
    Rated 5 out of 5 by from New telescope experience This thing is hard to take your eyes off of. Its like your hanging in space looking down
    Date published: 2016-11-27
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