Product Code: 1655323

Sekonic Flashmate L-308X Light Meter

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Sekonic's popular Flashmate L-308S Flash Meter was a must-have for studio and on-location photographers. The L-308X comes packed with upgrades and features that make it the ideal all-in-one light meter for serious photographers. In PHOTO mode users have access to full exposure control, while HD_CINE and CINE modes are tailored to videographers working with shutter angles and specific frame rates.

The Sekonic Flashmate L-308X is a versatile light meter packed full of useful features and can be used as a photo meter, a flash meter, and Cine meter, a video meter, and a chroma-key illuminance meter.

Key Features: Sekonic Flashmate L-308X Flash Meter

  • Building on the legacy of the L-308S: Sekonic's Flashmate L-308S was the go-to industry-standard light meter for photo professionals, and the L-308X carries on where its predecessor left off
  • 3 light meters in 1:
    • Photo mode offers full exposure control. Shutter Priority and the new Aperture Priority settings work with your camera to find the right exposure settings, while a range of ambient and flash functions ensure the user always has the right tool at their fingertips.
    • HD_CINE mode caters for modern videographers. Determine the correct exposure based on your shutter speed or frame rate within one-tenth stop accuracy
    • CINE mode differs from HD_CINE mode in that it is aimed at video professionals. The added ability to work with shutter angles is a useful addition, while Lux and foot-candle readout make setting up lights a breeze
  • Illuminated display: View the screen in low-light conditions thanks to a backlit LCD that turns on automatically under EV5
  • Calibration compensation: Match the L-308X to other light meters or adjust it to match film and digital cameras (+/-1.0EV in 0.1 step)
  • Three custom settings: Three different custom settings for display mode, increment of measurement, or unit of illuminance are available to ensure the light meter and your camera are displaying the same information

Sekonic Flashmate L-308X Light Meter


Digital light meter for Ambient and Flash light

Light receptor

Incident light and Reflected light

Measuring Mode


Ambient light

Shutter speed priority mode, Aperture priority mode, EV mode

Flash light

Cord flash mode, Cordless flash mode


Ambient light

Shutter speed priority mode, Frame rate setting mode, Simplified illuminance mode


Ambient light

Shutter speed priority mode, Frame rate setting mode, Simplified illuminance mode

Measuring range (ISO 100)

Ambient light

Incident light

EV0 to EV19.9

Reflected light

EV0 to EV19.9

Flash light

Incident light

F No 1.0 to 90.9

Reflected light

F No. 1.0 to 90.9

Illuminance (*1)

Incident light

2.50lx to 190,000lx

0.23fc to 17,000fc

Display range

ISO sensitivity

ISO3 to ISO8,000 (in 1/3 steps), plus 850


F No. 0.5 to 90.9 (in 1, ½, 1/3 step)

Shutter speed

Photo mode

Ambient light: 60sec to 1/8000sec (in 1, ½, 1/3 step)

Flash light: 1sec to 1/500sec (in 1, ½, 1/3 step) plus 1/75, 1/80, 1/90, 1/100sec)


Ambient light: 1/8sec to 1/8000sec (in 1, ½, 1/3 step) plus 1/24, 1/25, 1/30, 1/48, 1/50, 1/60, 1/96, 1/100, 1/120sec

Frame rate

8, 12, 16, 18, 24, 25, 30, 32, 48, 50, 60, 64, 96, 100, 120, 128f/s

Shutter angle

45, 90, 180, 270, 360 degrees


EV-6.0 to EV27.2 (in 1/10 step)


Backlight LCD (automatic illumination under EV5.0)

Operating temperature

0C to 40C

Storage temperature

-20C to +6-C

Power source

1.5V x 1 (AA battery)


80g approx. (without battery)


63 x 110 x 22mm

Standard accessories

Soft case, Strap, Synchro terminal cap, Startup guide, Safety precaution

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Product Specification

Aperture Range f/1 - f/90
Included Accessories Soft Case, Strap, Synchro Terminal Cap, Start-Up Guide
ISO Range 3 to 8000 (in 1/3 steps)
Measurement Type Ambient, Flash, Illuminance
Metering Modes Photo, HD Cine, Cine
Power Source 1.5v 1x AA battery
Size 6.3 x 11 x 2.2cm
Weight [g] 80.00
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Product Code: 1655323-wex Manufacturers Part Number: L-308X