Dual-Head Camera Parameters for SPECT Phantom Acquisition
| Parameter | Vertex Ultra | Infinia |
| No. of stops (azimuths) | 128 | 128 |
| Time per stop (s) (azimuth) | 30 | 30 |
| Degrees of rotation | Dual detector, 180°/head | Dual detector, 180°/head |
| Matrix | 128 × 128 × 16 | 128 × 128 × 16 |
| Mask size (cm) | 38 | — |
| Zoom factor | 1.46 | 1.5 |
| Pixel size (mm) | 3.17 | 2.95 |
| Orbit type | Noncircular (elliptic) | Noncircular (elliptic) |