PEM Camera Cooled CCD (SPEMS 1350 standard system) Resolution 1024x1024 Pixel size 13x13um Back-illuminated CCD Noise <0.01e- per second per pixel. Integration time (0.1s to 1 hour) Peltier cooling (Max -70◦C using water circulation) Wavelength range (400nm to 1.1um) Cooled CCD (SPEMS 1100 standard system) Resolution 765x510 Pixel size 9x9um Front-illuminated Noise < 0.1e- per second per pixel Integration time (0.11s to 1 hour) Peltier cooling (Max -35◦C below ambient) Wavelength range (400nm to 1.0um)