Sekonic L-308X-U Flashmate Light Meter

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Product Overview

Exceptionally portable and versatile in its design, the L-308X-U Flashmate Light Meterfrom Sekonic is a versatile meter that blends both photo and video-oriented functions into a single unit. Equipped with a sliding lumisphere, the L-308X is capable of measuring incident or reflected light via a lens with a 40° reception angle. It offers a wide metering range from 0 to 19.9 EV at ISO 100, working with exposure times as low as 1/8000 all the way up to 60 seconds; it also has an equally broad flash range from f/1.0 to f/90.9 at ISO 100.

The L-308X offers three specialized metering modes: a Photo mode for still shooting with aperture and shutter priority, a Cine mode for selecting frame rates between 8-128 fps with one-tenth of a stop accuracy, and an HD Cine mode for those shooting video with DSLR or mirrorless cameras. All these settings can be easily viewed on the backlit LCD display, which can be customized to your liking and automatically lights up when working at 5 EV or darker. Other features include a PC sync terminal and a cordless flash measuring option. The L-308X-U weighs approximately 3.5 oz and runs on a single AA battery.

  • Portable meter for measuring incident and reflected light, features a sliding lumisphere with a 40° reception angle
  • Measuring range of 0 to 19.9 EV at ISO 100
  • Flash measuring range of f/1.0 to f/90.9 at ISO 100; flash can be measured with PC sync terminal connection or cordlessly
  • Remarkably accurate with a rated variance of ±0.1 EV on repeat exposures
  • Exposure times ranging from 1/8000 to 60 seconds
  • ISO 850 available, useful as it matches the native ISO of some video cameras
  • Backlit LCD screen can be customized to display relevant information, automatically lights up under 5 EV
  • Shutter and aperture priority modes available in Photo mode
  • Cine mode allows you to select the frame rate, from 8 to 128 fps, as well as shutter angle with one-tenth stop accuracy
  • Runs on one AA battery

Sekonic L308X-U Specs

Type Digital meter, for flash and ambient light
Receptor Head Sliding lumisphere
Receiving Angle 40°
Measuring Modes Photo: ambient light, cord flash, cordless flash, shutter speed priority, aperture priority, and EV mode
Cine: frame rate priority, shutter angle setting, and simplified illuminance mode
HD Cine: shutter speed priority, frame rate setting, and simplified illuminance mode
Measuring Range Ambient (ISO 100): 0 to 19.9 EV
Flash (ISO 100): f/1.0 to f/90.9
ISO Range 3 to 8000 (in 1/3 steps), plus 850
Shutter Speed Range Ambient: 1/8000 to 60 seconds
Flash: 1/500 to 1 second
Frame Rate Range 8 to 128 fps
Repeat Accuracy ±0.1 EV
Display Segment-type LCD with backlight
Interface 1 x PC sync terminal
Operating Temperature 32 to 104°F / 0 to 40°C
Storage Temperature -4 to 140°F / -20 to 60°C
Power Source 1 x AA battery (1.5 V)
Dimensions (W x H x D) 2.5 x 4.3 x 0.9" / 6.4 x 10.9 x 2.3 cm
Weight 3.5 oz / 99.8 g
Packaging Info
Package Weight 0.45 lb
Box Dimensions (LxWxH) 6.0 x 5.0 x 0.6"


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