Orion 52031 StarShoot Auto Guider Pro Mono Astrophotography Camera (Black) Highly sensitive monochrome imaging device ideal for auto guiding and imaging Exceptional 74 percent quantum efficiency ensures accurate guiding for sharp, pinpoint images Very fast frame rate of up to 200 fps can catch every moment of clear seeing Includes Orion AstroCap software and ASCOM driver Slim, lightweight design works well with off-axis guiders and features built-in ST-4 port for easy mount connection