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Celestron 8 Inch EdgeHD OTA Optical Tube

Item# CELE357
 
5.0

(3 Ratings)

Customer Q & A

Price:

$1,299.00

List Price: $2197.95
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  • Aluminum Optical Tube
  • Celestron's premium StarBright XLT coatings
  • 2032 mm focal length (f/10)
  • 40 mm eyepiece included (51x)
Details & Dimensions
Guarantee & Returns

Description

Celestron EdgeHD 8" - General Features

 

  • 8" EdgeHD Optical Tube Assembly
  • Aluminum Optical Tube
  • Celestron's premium StarBright XLT coatings
  • 2032 mm focal length (f/10)
  • 40 mm eyepiece included (51x)
  • Visual back allows for use with 1.25" accessories
  • 9x50 finderscope to help accurately find objects
  • Star diagonal provides more comfortable viewing position when observing objects that are high in the sky
  • Mirror Support Knobs hold the mirror in place and reduces image shift during imaging.
  • Tube vents with integrated 60 micron mesh filter allowing hot air to be released from behind the primary mirror.
  • Fastar Compatible optical tubes are equipped with a removable secondary mirror for fast f/2 ccd imaging
  • Includes dovetail rail compatible with CGE mount

Specifications 

 

  • Optical Design  : Apanatic Schmidt
  • Aperture  : 203.2 mm (8 in)
  • Focal Length  : 2032 mm (80 in)
  • Focal Ratio  : f/10
  • Finderscope  : 9x50
  • Optical Tube  : Aluminum
  • Eyepiece 1  : 40 mm (1.57 in)
  • Magnification 1  : 51 x
  • Star Diagonal  : 1.25
  • Optical Coatings  : StarBright XLT
  • Secondary Mirror Obstruction  : 2.7 in (68.58 mm)
  • Secondary Mirror Obstruction by Area  : 11.4 %
  • Secondary Mirror Obstruction by Diameter  : 33.8 %
  • Optical Tube Length  : 17 in (431.8 mm)
  • Optical Tube Weight  : 14 lb (6.35 kg)
  • Dovetail Compatibility  : CGE Mount

Supplier Sku:
91030-XLT
Shipping Restrictions:
Available for shipment to the USA and Canada only.

Dimensions & Specifications

Recommended Usage

Astrophotography

Brand

Celestron

Telescopes Series

Celestron Optical Tubes

Optical Design

EdgeHD Optics

Aperture

203.2mm

Focal Length

2032mm

Focal Ratio

f/10

User Level

For the Expert

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Customer Reviews

REVIEW SNAPSHOT®

by PowerReviews
Celestron 8 Inch EdgeHD OTA Optical Tube
 
5.0

(based on 3 reviews)

Ratings Distribution

  • 5 Stars

     

    (3)

  • 4 Stars

     

    (0)

  • 3 Stars

     

    (0)

  • 2 Stars

     

    (0)

  • 1 Stars

     

    (0)

100%

of respondents would recommend this to a friend.

Pros

  • Lightweight (3)

Cons

    Best Uses

    • Astronomy (3)
      • Reviewer Profile:
      • Casual/ recreational (3)
      • Was this a gift?:
      • No (3)

    Reviewed by 3 customers

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    (1 of 1 customers found this review helpful)

     
    5.0

    Incredible views!

    By Stephen

    from BROKEN ARROW,OK

    About Me Casual/ Recreational

    Verified Buyer

    Pros

    • Compact
    • Easy to Use
    • Lightweight
    • Quality Lenses
    • Sharp contrasty views
    • Strong Construction

    Cons

    • No Fine Focus adjustment
    • Poor View Finder

    Best Uses

    • Astronomy

    Comments about Celestron 8 Inch EdgeHD OTA Optical Tube:

    The views through this scope exceeded my expectations. Easily the sharpest, most contrasty views I have seen through an 8" or smaller SCT, particularly in the outer portion of the field of view. No coma or field curvature keeps the view sharp to the edge in wide-field eyepieces, and this makes it much nicer to use on a manual alt-az mount as I like to use it since objects stay crisp and in focus as they drift across the field of view. Views of Saturn easily bested 4" and smaller apo refractors I have owned. Light weight enough to be grab and go portable on a manual alt-az mount, yet still provides good light grasp. The focuser, while adequate, doesn't have a fine focus adjustment, and so I will probably be upgrading that to a two speed focuser at some point. The view finder isn't great, though I never had any intention of using it. Haven't used the included diagonal and eyepiece so I can't comment on those items.

    • Was this a gift?:
    • No

    (1 of 1 customers found this review helpful)

     
    5.0

    Incredible views!

    By Stephen

    from BROKEN ARROW,OK

    About Me Casual/ Recreational

    Verified Buyer

    Pros

    • Compact
    • Lightweight

    Cons

      Best Uses

      • Astronomy

      Comments about Celestron 8 Inch EdgeHD OTA Optical Tube:

      Surprisingly sharp view for an SCT all the way to the edge of the FOV. Provided stunning views of Saturn that easily bested the medium sized APO refractors I have owned of 4" and smaller (haven't compared to a 5" or larger APO). A real joy to use with my Denk II binoviewers with powerswitch. Only complaint is that I would like a finer focus adjustment and will probably upgrade that at some point.

      • Was this a gift?:
      • No

      (3 of 3 customers found this review helpful)

       
      5.0

      Impressed!

      By Brian G

      from Mooresville, NC

      About Me Casual/ Recreational

      Verified Buyer

      Pros

      • Accurate
      • Lightweight
      • Quality Lenses
      • Strong Construction

      Cons

        Best Uses

        • Astronomy
        • Deep Space

        Comments about Celestron 8 Inch EdgeHD OTA Optical Tube:

        The first impressions when opening the box was the fine fit and finish of the OTA especially the paint job. The online photos didn't show this very well so I was indeed surprised. The second thing noticed was how light in weight the OTA was. This could easily be mounted on lighter rated mounts. The locking lens cap, mirror lock grips, rear carrying handle and large dovetail mounting plate add to the quality pluses of the product. I purchased this OTA primarily for imaging galaxies and so far have not been disappointed. It was perfectly collimated from the start and the advertised crisp, round stars to the edge of the field is absolutely true. My only suggestion would be that as this is sold as an OTA to be mounted on a possible variety of mounts, a more standard Vixen or Losmandy mounting plate would be more appropriate than the oversized dovetail it's supplied with. Otherwise, I'm very satisfied with the product.

        • Was this a gift?:
        • No

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