The WFCAM science camerea uses one thinned, backside illuminated Faichild CCD486 detector. The CCD has 4k x 4k 15 micron pixels for a focal plane size of 61.4mm square. The focal plane consists of the main science chip and a guide camera.
Manufacturers test results for the CCD are available here.
| Dimensions | 4096 x 4096 pixels |
| Pixel Size | 15 µ |
| Effective Focal Length | 21.6 meters |
| Plate Scale | 100 µ / " |
| Pixel Scale | 0.15 " / pixel |
| Field of View | 9.78 ' x 9.78 ' |
| Guide Star limit mag | 15.0 I-band |
| Quantum Efficiency | 90% at 450nm 80% at 700nm 50% at 850nm |
| Amplifier | Gain(High) e-/ADU | Gain(Low) e-/ADU | Read Noise e- |
| Left North | Not Measured | 2.36 | 6.37 |
| Left South | Not Measured | 1.97 | 6.48 |
| Right North | Not Measured | 1.84 | 6.73 |
| Right South | Not Measured | Not Functioning in May 08 | 4.76 |
