Celestron 90° Star Diagonal (1.25")

Celestron 90° Star Diagonal (1.25")

Celestron 90° Star Diagonal (1.25")

B&H # CEDS1.25 MFR # 94115-A
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Celestron 90° Star Diagonal (1.25")

Celestron 90 Star Diagonal (1.25")

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Product Highlights

  • 90° Angle
  • Upright & Laterally-Reversed Observing
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Celestron 94115-A overview

  • 1Description

This 1.25" 90° Star Diagonal from Celestron provides a comfortable viewing position when the telescope is at or near the zenith. Its optical design renders images which are upright, but laterally reversed.

Accepts 1.25" filters for astronomical & terrestrial applications
UPC: 050234941150
In the Box
Celestron 90° Star Diagonal (1.25")
  • Limited 1-Year Warranty
  • Table of Contents
    • 1Description

    Celestron 94115-A specs

    Weight Weighs 0.24 lb/110 g
    Packaging Infoddcsvewudyxzduwywv
    Package Weight 0.44 lb
    Box Dimensions (LxWxH) 4.4 x 2.9 x 2.1"

    Celestron 94115-A reviews

    90° Star Diagonal (1.25") is rated 4.7 out of 5 by 9.
    Rated 5 out of 5 by from One of the best prism diagonals for its price! This is an excellent prism diagonal. Superb coatings. In many cases it will correct some chromatic defects in refractors, making images sharper! I used regularly in my 76.2mm f/16 vinatge achromat. Wished Celestron had used a metal machined housing for the prism instead of plastic, and a compression ring for eyepiece holding instead of just two screws; these are the only drawbacks. I wouldn't mind to pay a little more for these upgrades because this diagonal it has excelent optics. Total optical path is 67mm. For refractors it's light years better than simple mirror diagonals!
    Date published: 2016-07-18
    Rated 5 out of 5 by from great for the price I had to buy this diagonal because I dropped my part that came with the telescope. I was very lucky that thia was all that needed replacing. If you buy an 8SE be sure to check that it's mounted on the tripod securely. I really dont have any experience with other diags, except cheap starter scopes under 100.00, but looking at the moon,and Jupiter this past week, I have to say WOW. It looks to be very adequate for backyard astronomy. I definately would reccomend thia part to anyone needing it, especially for general amatuer astronomy.
    Date published: 2015-01-11
    Rated 5 out of 5 by from Economical & useful I have a C14 which came with a 2 inch star diagonal. This was a nuisance principally because instead of just releasing a thumb screw and swivelling the fitting around when shifting to a different area of the sky, you had to unscrew and loosen the whole unit to rotate it, then tighten it again. Also the business of attaching the 2 to 1.25 adaptor became a bother. So I retrofitted the 1.25 inch star diagonal. It works very well, as they always have. (C11, C8) Simple, cheap, and it works.
    Date published: 2015-04-14
    Rated 4 out of 5 by from Works with C90 I purchased this for a Celestron C90. The C90 comes with a 45 degree roof prism that is not well suited to astronomy. This diagonal uses a prism which may not be adequate for fast focal ratios, but works well with the F/13.9. Parts of the prism housing are plastic and the rest appears to be metal. My only complaint is that the diameter of the set screws makes them protrude above the eyepiece socket. This slightly interferes with a wider eyepiece like my Celestron X-Cel LX 25 mm.
    Date published: 2013-11-19
    Rated 5 out of 5 by from Great low price add-on for any telescope I currently use this 90 on a 5 Reflection telescope. This little gem has made viewing objects in the southern sky on a GE-Mount SO much easier on the neck and knees. I noticed little to none in the difference in the image quality with and without the 90. B&H provided prompt and very reasonably priced shipping.
    Date published: 2012-03-31
    Rated 3 out of 5 by from replaced broken part with same part Shopped for replacement. Could have spent a lot more and assume I could have gained better performance. However, while I decided to stick with this economy model, in part because of inability to visually compare and justify price of other offerings...
    Date published: 2011-07-01
    Rated 5 out of 5 by from 90 Star Diagonal (1.25) by Celestron I bought this to replace one that was broken. It fits and works great! I would recommend this to anyone who is looking for a 1.25 diagonal.
    Date published: 2015-05-04
    Rated 5 out of 5 by from I will purchase this or other items from you in the future. Great service and exactly what i needed. Arrived as scheduled and was in great shape when i got it. Great Job!
    Date published: 2016-09-19
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