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465 EUR
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price without VAT: 378 EUR
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Perfectly made Celestron OAG with an active diameter of 48mm with a large prism with a side of 12.5mm. It works perfectly with long-focus SCT telescopes, where there is a need for extremely precise exposure guiding. This is the precision provided by Celestron OAG, in which a special prism with multi-layer coatings and a side optical path with a helical focuser allow the guiding camera to use the part of the image plane used by the main camera. The large diameter of the optical passage and the 12.5mm prism mean that after framing the image, the guiding camera will always find its reference star.
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