Sekonic LiteMaster Pro L-478D-U Light Meter
Sekonic LiteMaster Pro L-478D-U Light Meter
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United States
The LiteMaster Pro L-478D-U Light Meter from Sekonic is equipped with a large and user-friendly 2.7" color touchscreen LCD, simplifying the process of incident metering for both ambient and flash light. A key feature of this device is its ability to provide precise control over the flash's power in increments of 0.1.
A distinguishing characteristic of the L-478 light meter series is its expansive color touchscreen, which facilitates quick adjustments for settings related to both ambient and flash metering. This meter is highly versatile, operating within a range of -2 to 22.9 EV at ISO 100. Furthermore, for contemporary hybrid shooters, this model enhances its traditional stills capabilities by offering two dedicated video modes: Cine and HD Cine. These modes allow users to select frame rates from 1 to 1,000 fps and adjust shutter angles from 1 to 358°, with an ISO setting of 850 specifically for Canon cinema cameras.
To ensure optimal performance, the device is equipped with a comprehensive array of functions and features designed to provide users with the best tools at their disposal. Among these is a flash analyzing function that enables simultaneous use of ambient and flash light, allowing photographers to fine-tune their preferred light mix. Additionally, with the included Data Transfer Software, users can perform Exposure Profiling for their cameras using the optional 5° viewfinder, which displays dynamic range limits and ensures accurate exposure. Complementing this is a Filtration Compensation Mode that accounts for filter factors, accommodating adjustments of up to 12 EV for landscape photographers utilizing high-density ND filters. Other notable features include a contrast function for brightness comparison, a memory mode for storing up to 8 readings, and the capability to measure illuminance or luminance.
- Lumisphere receptor head rotates 90° right and 180° left and retracts for conversion to a flat diffuser
- Optional 5° viewfinder for spot metering
- Ambient light measuring modes include aperture priority, shutter speed priority, TF priority, CINE, HD Cine, illuminance, and luminance
- Flash can be measured with PC sync terminal connection or cordlessly
- Measuring range at ISO 100 of -2 to 22.9 EV with incident light or 3 to 19.9 EV with reflected light
- ISO range of 3 to 409,600 in 1/3 steps, including 850 for Canon cinema cameras
- Other functions: exposure profile, mid tone function, exposure compensation, filter compensation, multiple cumulative function, memory/clear/recall function, average function, contrast function, auto power off, touch panel lock
- Runs on 2 AAA batteries
- Firmware upgradeable via mini-USB port
Metering |
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Spot Metering | 5° Spot (Optional Attachment) |
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, EV Metering, FPS Metering, ISO Priority, Shutter Priority |
Aperture Range | Flash, Incident: f/1 to 128.9 at ISO 100 Flash, Reflected: f/2.8 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: -2 to 22.9 EV at ISO 100 Ambient, Reflected: 3 to 19.9 EV at ISO 100 |
ISO Range | 3 to 409,600 (1/3-Step Increments), Plus 850 |
Shutter Speed Range | 1/64,000 to 30 Minutes (1, 1/2, 1/3-Step Increments), Plus 1/400, 1/200 |
Max Flash Sync Speed | 1/1000 |
Cine Speed / Shutter Angle | 1 to 1000 fps at 1 to 358° |
Illuminance Range | 0.63 to 2,000,000 Lux / 0.1 to 180,000 fc |
Luminance Range | 0.3 to 290,000 fL / 1 to 980,000 cd/m² |
Exposure Memory | Yes, 9 Readings |
Physical |
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Receptor Element | Silicon Photodiode |
Diffuser | Adjustable Spherical to Flat |
Display | 2.7" / 6.9 cm Color Touchscreen LCD |
System Connection | PC Sync Terminal Mini-USB Port |
Media Card Reader | No |
Tripod Mounting Thread | No |
Environmental |
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Operating Temperature | 14 to 122°F / -10 to 50°C |
Storage Temperature | -4 to 140°F / -20 to 60°C |
General |
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Battery | 2x AAA (Alkaline, Lithium, Manganese, NiMH) |
Radio System | No |
Dimensions | 2.2 x 5.5 x 1" / 57 x 140 x 26 mm |
Weight | 4.6 oz / 130.0 g (without Batteries) |