... telescope is a compound digital telescope, composed of a 3.0 MP USB digital camera and a refractive telescope. Special design in ... : picture turn, zoom, cut, modify, email, print SpecificationsSensor Parameter1/2" 3.0MP CMOSResolution2048*1536USB portUSB 2.0Frame rate7.5 f/s ... Model 2048*1536,1280×1024 ,1024×768 Pixel size3.18*3.18μmSensitivity 0.9v/lus-secxS/N Ratio40 dBDynamixc Range ...