| Testing group | Laser module | Distance (cm) from light source to background | |||||
| 30 | 50 | 70 | |||||
| width (mm) | length (cm) | width (mm) | length (cm) | width (mm) | length (cm) | ||
| 1 | 650 nm 100 mW | 4.8 | 55.0 | 3.9 | 92.0 | 3.2 | 124.5 |
| 650 nm 30 mW (90˚ lens) | 14.2 | 57.0 | 19.5 | 94.5 | 24.4 | 134.0 | |
| 2 | 650 nm 30 mW 60˚ lens | 17.6 | 41.5 | 24.9 | 66.5 | 31.1 | 93.0 |
| 650 nm 30 mW 90˚ lens | 14.2 | 57.0 | 19.5 | 94.5 | 24.4 | 134.0 | |
| 650 nm 30 mW 120˚ lens | 13.6 | 75.0 | 19.6 | 119.5 | 27.2 | 164.0 | |
| 3 | 405 nm 100 mW | 3.6a | 88.2 | 3.5 | 141.5 | 3.4 | 201.6 |
| 4 | 532 nm 50 mW | 3.7 | 150.0 | 3.1a | 330.0 | 2.4a | 310.0 |