Sekonic LiteMaster Pro L-478DR-EL (with Elinchrom Radio Transmitter)

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product overview
product overview
  • Flash Power Control & Radio Triggering

  • Incident Metering for Ambient & Flash

  • Range: -2 EV to 22.9 EV at ISO 100

  • Cine Setting: Frame Rate & Shutter Angle

Sekonic LiteMaster Pro L-478DR-EL

Equipped with a large and intuitive 2.7 inch color touchscreen LCD and now featuring built-in radio flash power control and triggering for the 2.4 GHz Elinchrom EL Skyport wireless system, the LiteMaster Pro L-478DR-EL Series Light Meter from Sekonic will make incident metering for ambient and flash light super simple. The major ability of this system enables complete control of the flash's power in 0.1-step increments. Along with this, the 20-channel system has separate selection between 4 groups with measured values maintained for ratio determination. Users will also be able to control modeling lamp power as well as set ALL groups at once.

Notable for the L-478 light meter series is the large color touchscreen, which allows for fast control over settings for both ambient and flash metering. The meter is quite capable as well, able to function within a range of -2 to 22.9 EV at ISO 100. And, for the current crop of hybrid shooters this model expands on its standard stills functions with two distinct video modes: Cine and HD Cine. These settings give access to frame rate selection from 1-1,000 fps as well as shutter angle settings from 1-358° as well as ISO 850 for Canon cinema cameras.

Flash Power Control for Elinchrom EL-Skyport Products

The power screen of the L-478DR-EL enables separate selection of any of the four lighting Groups, 1, 2, 3, 4 for flash brightness adjustment in 0.1 increments by simply tapping buttons on the meter’s touch screen. The F-number value for the light being measured appears in a central area on the screen as well as over the respective group selection button. The measured value for each group is maintained as a visual record of the brightness difference of the lights in use so that lighting ratios can be easily determined.

Once the flash adjustment is made for each group, all the flashes can be triggered for a total reading for exposure. The L-478DR-EL can also be used to measure and adjust the modeling light brightness of Elinchrom flashes for cine/video lighting.

The L-478DR-EL triggering and power control is compatible with all Elinchrom flashes that use the EL-Skyport triggering system.


  • MPN - 42.L-478DR-EL
  • GTIN - 962294011765
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TypeDigital light meter for flash and ambient light
Operating Temperature14 to 122F / -10 to 50C
Storage Temperature Range-4 to 140F / -20 to 60C
Product Dimensions2.2 x 5.5 x 1.0" / 57 x 140 x 26 mm
Product Weight4.9 oz / 140 g without batteries
Battery(Power)2 x AAA batteries (alkaline, manganese, lithium, nickel hydride, or nickel)
Repeatability Repeat Accuracy:0.1 EV or less
Screen2.7" / 6.9 cm color touchscreen LCD
Memory Function9 readings
Frame Rate1-1,000 fps
Aperturef/0.5 to f/161.2 in 1, 1/2, and 1/3 steps
Receptor Incident LightLumisphere convertible to flat diffuser, rotates 90 right & 180 left
Receptor Reflected LightOptional 5 viewfinder
Light Receptor Element2 x Silicon photo diodes
Measuring Modes Ambient LightAmbient Light: Aperture priority, shutter speed priority, TF priority, EV metering, HD Cine (shutter priority, FPS metering, lux or fc), Cine (FPS metering, shutter angle setting, lux or fc), illuminance (lux or fc), luminance (cd/m or fl) Flash Light: Cord (PC sync terminal), cordless, wireless radio triggering
Measuring Range (ISO 100) Ambient LightAmbient 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/m
Radio Frequency2.4 GHz (Elinchrom EL Skyport)
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  • Sekonic LiteMaster Pro L-478DR-EL (with Elinchrom Radio Transmitter)
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