Sekonic L-478D
| Metering Method | Incident light and reflected light (with optional attachment) |
| Receptor Head | Lumisphere convertible to flat diffuser (with retracted Lumisphere) |
| Receptor Element | Silicon photo diodes |
| Measuring Modes | Ambient: Aperture priority measuring, Shutter speed priority measuring, TF priority measuring, Cine measuring, HD Cine camera measuring, Illuminance measuring (lux, foot candle), Luminance measuring (foot-lambert, cdm2) |
| Flash: Cord Mode (with/without multiple cumulative), Cordless Mode (with/without multiple cumulative) | |
| Measuring Range | Ambient- Incident: EV -2 to 22.9 (approx. f/2 at 15 sec. to f/22.9 at 1/8000 sec.) / Reflected: EV 3 to 19.9 |
| Flash light- Incident: f/1.0 to f/128.9 / Reflected: f/2.8 to f/128.9 | |
| Illuminance- 0.63 to 2,000,000 lux / 0.10 to 180,000 fc (EV -2 to 19.6) | |
| Luminance (Reflected Light)- 1 to 980,000 cdm2 (EV 3 to 22.9) / 0.29 to 290,000 fl (EV 1.5 to 22.9) | |
| Repeat Accuracy | +/- 0.1 EV or less |
| Calibration Constant | Incident: Lumisphere C = 340, Flat C = 250 |
| Reflected: K = 12.5 | |
| Power Source | 2x AAA dry cell batteries (alkaline, manganese, lithium, nickel hydride, or nickel-based) |
| Operating Temperature | 14-122°F / -10-50°C (no condensation) |
| Storage Temperature | -4-140°F / -20-60°C (no condensation) |
| Dimensions | 2.2 x 5.5 x 1" / 57 x 140 x 26 mm |
| Weight | 4.6 oz / 130 g (without batteries) |
General parameters
| Manufacturer | Sekonic |
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Additional information
| Description on manufacturer home page | Information from the manufacturer |
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Weight
| Gross weight (kg) | 1 |
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Warranty
| WarrantyFor business customers the warranty is 1 year, unless a shorter period is stated. | 2 years |
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