Radian 75mm f/5.4 Petzval Refractor + Apertura 0.75x Focal Reducer
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REDUCED PRICE: The Radian 75mm Petzval is essentially the same Sharpstar-built optical design and specifications as the Apertura 75Q currently sold by High Point Scientific. It is a 75mm, 405mm f/5.4 wide-field astrograph with a flat Petzval field, and with the included Apertura 0.75x reducer operates at approximately 303mm and a very fast f/4. This is an excellent scope for someone getting started in modern deep-sky astrophotography—compact, forgiving, easy to set up, and capable of producing excellent wide-field images. I've included examples of images I've taken with this scope, including NGC 7000 (North America Nebula) and the Rosette Nebula.
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