ASKAR SQA106 f/4.8 APO QUINTUPLET Scope The Guan Sheng Optical (GSO)

The Guan Sheng Optical (GSO) 10" f/8 Carbon Truss Ritchey-Chrétien is an excellent telescope for deep sky astrophotography

The main imaging sensor is the back-illuminated Sony IMX585 with a QE up to 91%

This slot gives you an easy way to corral essential cables (like the ones for our Dew Heater rings) without potentially allowing light pollution to leak in

With two S-FPL53 ED elements

ASKAR SQA106 f/4.8 APO QUINTUPLET Scope The Guan Sheng Optical (GSO)The Askar SQA106 is an apochromatic quintuplet flat field astrograph that offers high performance thanks to its air spaced SD lens design. With a 55mm image circle support, a central star point RMS radius of less than 1. 7 m, and a full field illumination of over 90% at 44 mm image circle, it ensures superb image quality. MTF data reveals excellent performance, with a super fine star point of less than 2. 2 m at 55 mm. Thanks to its Petzval design,