The result: better astroimages with pinpoint round stars. Find the most accurate way to guide with the Celestron Off-Axis Guider. - Fixed-orientation helical focuser for easy, smooth and accurate autoguider focus.
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Celestron Off-Axis Guider, Great condition. Boxed with all of the components. I've also included a photo of the instruction manual just for you to compare the 9 separate adapters.
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The Celestron Off-Axis Guider (OAG). This items is in brilliant condition and comes with all the items. Boxed and well looked after, this is a useful accessory for people using larger SCT scopes.
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eBay
ITEM # 93648. The result: better astroimages with pinpoint round stars. This results in brighter guide stars, with the help of the large prism to fully illuminate the autoguider sensor. The following adapters are included: SCT/EdgeHD, female M48, female M42 (T-thread), male M48, male M42 (T-thread), 3 T-thread spacers.
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eBay
The 8" EdgeHD reducer threads directly onto the rear cell of all 8" EdgeHD optical tubes, in place of the scope's visual back. All air to glass lens surfaces are fully multicoated for maximum light transmission and color correction.
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eBay