Sekonic LiteMaster Pro L-478DR-U-EL Series Light Meter
| Measuring Range | Ambient Light (ISO 100): Incident: -2 EV to 22.9 EV; Reflected: 3 EV to 22.9 EV Flash Light (ISO 100): Incident: f/1.0 to f/128.9; Reflected: f/2.8 to f/128.9 Illuminance: 0.1 to 180,000 fc / 0.63 to 2,000,000 lux Luminance: 0.29 to 290,000 fl / 1.0 to 980,000 cd/m² |
| ISO Range | 3 to 409,600 in 1/3 steps, plus 850 |
| Aperture | f/0.5 to f/161.2 in 1, 1/2, and 1/3 steps |
| Shutter Speed | Ambient Light: 1/64,000 sec to 30 min, plus 1/200 & 1/400 sec, in 1, 1/2, and 1/3 steps Flash Light: 1/1,000 sec to 30 min, plus 1/75, 1/80, 1/90, 1/100, 1/200, & 1/400 sec, in 1, 1/2, and 1/3 steps |
| Shutter Angle | 1-358° |
| Frame Rate | 1-1,000 fps |