L-858D-U Speedmaster Light Meter
L-858D-U Speedmaster Light Meter
Sekonic Speedmaster L-858D is the world's first multi-function, multi-brand wireless triggering light meter. It is the first of its kind capable of measuring flash duration and brief flash bursts like you find from HSS (High Speed Sync) for precision flash control.
SKU: 401-858
Tech Specs
| Meter Type | Ambient | Cine | Flash | Spot |
| Spot Metering | 1° Spot |
| Flash Metering | Cordless |
| Light Reading Method | Incident | Reflected |
| Light Readings | Candelas per Meter Squared (cd/m²) | Foot Lamberts (fl) | Footcandle | Lux |
| Measuring Modes | Aperture Priority | FPS Metering | Flash Duration Analysis | HSS Flash | Shutter Priority |
| Aperture Range | Flash, Incident: f/0.5 to 128.9 at ISO 100 | Flash, Reflected: f/1 to 128.9 at ISO 100 | f/0.5 to 161.2 (1, 1/2, 1/3-Step Increments) at ISO 100 |
| EV Range | Ambient, Incident: -5 to 22.9 EV at ISO 100 | Ambient, Reflected: -1 to 24.4 EV at ISO 100 |
| Shutter Speed Range | 1/64,000 to 30 Minutes (1, 1/2, 1/3-Step Increments), Plus 1/400, 1/200 |
| Cine Speed / Shutter Angle | 0.001 to 1000 fps at 1 to 358° |
| Max Flash Sync Speed | 1/16,000 |
| Illuminance Range | 0.1 to 2,000,000 Lux / 0.01 to 180,000 fc |
| Luminance Range | 0.3 to 290,000 fL / 0.1 to 980,000 cd/m² |
| Exposure Memory | Yes, 9 Readings |
| Diffuser | Adjustable Spherical to Flat |
| Display | 2.7" / 6.9 cm Color Touchscreen LCD |
| Interface | PC Sync Terminal | Micro-USB Port |
| Tripod Mounting Thread | 1/4"-20 Female |
| Battery | 2 x AA (Alkaline, Manganese) |
| Dimensions | 3.7 x 6.9 x 1.9" / 94 x 176 x 49 mm |
| Weight | 8.5 oz / 240.0 g (without Batteries) |
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