The Sekonic L-478DR Litemaster Pro Light Meter will make a valuable addition to your photography kit. Featuring an innovative 2.7 inch colour LCD touchscreen, the L-478DR combines a bright, easy to read display with a clear intuitive interface. In keeping pace with wireless technology, the L-478DR comes complete with PocketWizard ControlTL compatibility which combines light measurement and flash power control directly from the unit itself. The meter also supports exposure profiling, enabling you to customise the light meter to your camera’s specific dynamic range. For anyone who needs to calculate accurate exposures and trigger or adjust flash lights on the fly, the Sekonic L-478DR Litemaster Pro Exposure Meter is the ultimate tool for the job.


Digital exposure meter for ambient and flash light

Receptor Head:

Rotating Domed Head 90° to the right, 180° to the left, Retractable for Contrast Reading

Light Receiving Method:

Incident light and reflected light

Receptor Incident Light:

Convertible to flat diffuser (Lumisphere in down position)

Receptor Reflected Light:

5° Viewfinder (Separate Accessory)

Light Receptor Element:

2-Silicon photo diodes (incident and reflected)


Measuring Range and Modes

Measuring Modes Ambient Light:

- HD Cine - Shutter priority metering, FPS (Frame Rate Priority) metering, Lux/FC
- Cine - FPS (Frame Rate Priority) metering, Shutter Angle setting, Lux/FC
- Simple brightness measurement (foot-lambert, cd/m2
- Simple illumination measurement (lux, foot-candle)
- Aperture priority metering
- EV metering
- Shutter priority metering

Measuring Modes Flash:

- Measurement using the included wireless flash radio triggering system (cumulative and non-cumulative)
- Without synchro cord (cumulative and non-cumulative)
- With synchro cord (cumulative and non-cumulative) 

Measuring Range (ISO 100) Ambient Light:

- Incident light EV-2 to EV 22.9
- Reflected light EV3 to EV 19.9 (requires accessory sold separately)

Measuring Range (ISO 100) Flash:

- Incident Light f/1.0 to f/128.9
- Reflected Light f/2.8 to f/128.9 (requires accessory sold separately)

Measuring Range Illuminance:

0.63 to 2000000lux - 0.10 to 180000FC

Measuring Range Brightness:

1 to 980000 cd/m2 - 0.29 to 290000 foot lamberts


Display Range and Modes

Display Range Film Speed:

ISO 3 to 409600 (in 1/3 steps)

Display Range Shutter Speeds Ambient:

30 min to 1/64,000 sec. (in 1, 1/2, 1/3 steps) plus 1/200, 1/400

Display Range Shutter Speeds Flash:

30 min to 1/1000 sec. (in 1, 1/2, 1/3 steps) plus 1/75, 1/80, 1/90, 1/100, 1/200, 1/400

Display Range Aperture:

f/0.5 to f/161.2 (in 1, 1/2, 1/3 steps)

Quick-Start Guide
Sekonic Data Transfer Software CD-ROM
Two x AAA batteries
Carrying Strap
Soft Case
Anti-Glare Film


* Dispatch timeframes are indications only and may vary for multiple quantities. Timeframes are updated regularly during normal business hours.