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Seibert Telecentric Barlows????
Thinking about buying a 2" 1.75x Seibert Telecentric Barlow. It will primarily be used to convert an 8" f5 newt into an f8.75 scope for longer focal length imaging with my QHY8 camera.
Anyone have any experience with this item or any other Seibert 2" barlows, comments on performance, worth the money etc??
cheers
Gary
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