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Celestron Radial Guider Schmidt-Cassegrains
 
 

Celestron Radial Guider Schmidt-Cassegrains

by Celestron
2.5 out of 5 stars  See all reviews (2 customer reviews)


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Technical Details

  • The Radial Guider from Celestron lets you photograph and guide simultaneously, whether manually or with the aid of an autoguider
  • It eliminates the problem of differential flexure, which can occur when using a separate guidescope
  • The Celestron Radial Guider is compatible with a 1.25" illuminated reticle eyepiece or an autoguider with a 1.25" nosepiece
  • The housing threads onto the rear cell of the telescope and has threads for attachment of a camera T-ring
  • Compatible with all Schmidt-Cassegrain telescopes
  See more technical details

Product Details

  • Product Dimensions: 4 x 3 x 2 inches ; 8.8 ounces
  • Shipping Weight: 2 pounds
  • ASIN: B00009XVI1
  • Item model number: 94176
  • Average Customer Review: 2.5 out of 5 stars  See all reviews (2 customer reviews)
  • Date first available at Amazon.com: June 17, 2003

Product Description

Designed for deep-sky imaging with Schmidt-Cassegrain telescopes, the Radial Guider lets you photograph and guide simultaneously, whether manually or with the aid of an autoguider. It eliminates the problem of differential flexure, which can occur when using a separate guidescope. The Radial Guider is compatible with a 1.25" illuminated reticle eyepiece or an autoguider with a 1.25" nosepiece. The housing threads onto the rear cell of the telescope and has threads for attachment of a camera T-ring (sold separately). The guiding eyepiece can be adjusted radially for easy guide star acquisition.


 

Customer Reviews

2 Reviews
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4 star:    (0)
3 star:
 (1)
2 star:
 (1)
1 star:    (0)
 
 
 
 
 
Average Customer Review
2.5 out of 5 stars (2 customer reviews)
 
 
 
 
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Most Helpful Customer Reviews

4 of 4 people found the following review helpful:
3.0 out of 5 stars Nice add-on to your deep sky photoset, November 9, 2008
Amazon Verified Purchase(What's this?)
This review is from: Celestron Radial Guider Schmidt-Cassegrains (Electronics)
The small side prism delivers substantially more luminiscent imaging of the fainter stars than one could actually expect. However, manual guiding might be a real challenge, especially, should your option is limited by Alt-Az GoTo mount. Therefore I suggest to get prepared to study auto-guiding software and test your RS-232 port communication. Also, in order to use Canon EOS 300...450 models, you need to obtain additional extender ring, because the radial guider's winding-in will be obstructed by the dimentions of the built-in EOS flash.
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2 of 5 people found the following review helpful:
2.0 out of 5 stars Radial Guider, April 22, 2008
By 
Paul Garland (El Paso, Texas USA) - See all my reviews
Amazon Verified Purchase(What's this?)
This review is from: Celestron Radial Guider Schmidt-Cassegrains (Electronics)
Nice concept. I own 5 telescopes including one schmidt cassegrain. This won't fit or work with any of them. So I wasted my money buying it. But it sure seems like a neat concept...too bad.
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