Observatories Instruments SkyMapper instrument Features of the SkyMapper wide-field camera, designed and built at RSAA. meeting_room Facility Facilities SkyMapper telescope About Image The features of the SkyMapper wide-field camera, designed and built at RSAA, include: 32 4k x 2k CCDs shack-hartmann feed cooled with closed cycle cryogenic system 6 filter slots StarGrasp controller for CCD readout 2.34° x 2.40° field of view. Performance goals CCDs: 20s readout 5e- readnoise 125,000e- full well linearity to 0.5% QE > 60% (400-850nm), QE > 20% (300-950nm) Shutter Accuracy: 1% on 1 second exposure Filter Exchange time: 20s