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Flip mirror--on axis guider

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Brand new and unused alternative to a flip mirror from Teleskop Express.  Instead of a mirror, this device has a prism that can move in and out of the field.  If left at the periphery of the field, you can use it to illuminate an autoguider.  Comes with 2 inch adaptor for mounting in a telescope focuser, a variable length (20-30mm) extension that ends in a T2 camera thread, and a 1.25 inch visual/autoguider adapter.

I am clearing out the atrophotography equipment that I'm not using.