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Sekonic L-308S Flashmate - Digital Incident, Reflected and Flash Light Meter

BH #SEL308SZ • MFR #401-309
Sekonic L-308S Flashmate - Digital Incident, Reflected and Flash Light Meter
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Sekonic L-308S Overview

To accommodate the demands for an affordable, lightweight and digital ready light meter, Sekonic redesigned the popular L-308BII. This meter offers the latest in component technology and precise calibration for accurate digital exposures. Software enhancements now offer the photographer a choice of Full, 1/2 or 1/3 step selectable aperture settings to display data just the way today's digital camera does.

With 1/10th of a stop measurement and read out, accurate and consistent exposures are a snap for D-SLRs or point and shoot digital cameras. The LCD panel has also been improved for better readability. Information such as ISO, measuring modes and selected settings has been redesigned similar to the very popular Sekonic L-358 FlashMaster.

New Features of the L-308S
Weather resistant
Full, 1/2 and 1/3 selectable f/stop increments
1/10th of a stop increment displayed
Improved LCD display
Increased accuracy
Enhanced icons and symbols for better readability
Ultra-Compact professional flash/ambient lightmeter
Cord or cordless flash measuring
LCD panel provides large clear display of measured exposure data and set mode
Single mode selection button for setting ambient or flash measuring
Digital semi-circular bar indicator displays battery condition and aperture in 1/10 increments

Sekonic L-308S Specs

Measuring System
Incident or reflected for flash and ambient light; Silicon photo diode
Measuring Modes
Ambient and flash (cord, cordless) - incident and reflected (40 degrees)
Receptor Head
Non-rotating, non-interchangeable
Aperture/Shutter Priority
Shutter speed priority
Display Readout
Improved LCD - Digital LCD; Enhanced icons and symbols for better readability; 1/10th of a stop increment displayed; ASA and battery indications are always on
ISO Range
ISO 3 ~ 8000 in 1/3 increments
f/Stop Display Range
f/0.5 ~ f/90 9/10; Full, 1/2 and 1/3 selectable f/stop increments
Shutter Speed - Ambient
60 sec. ~ 1/8000 sec
Shutter Speed - Flash
1 sec. ~ 1/500 sec
EV Range (ISO-100)
  • Display range: EV -5 ~ EV 26.2
  • Measuring Range: EV 0 ~ EV 19.9
  • Cine Speeds
    8 ~ 128fps
    Exposure Memory
    Shadow/Highlight Calculation
    Brightness Difference
    Flash to Ambient Ratio
    Multiple Flash
    Exposure Calibration
    Power Source
    1 "AA" battery
    4.3 x 2.5 x .9" (110 x 63 x 22mm) WDH
    2.8 oz (80 g) without battery
    Packaging Info
    Package Weight
    0.5 lb
    Box Dimensions (LxWxH)
    6.142 x 4.409 x 1.969"

    Sekonic L-308S Reviews

    See any errors on this page? Let us know


    Can you trigger strobes from this meter?
    Asked by: Anthony T.
    yes with a sync cable attached to it
    Answered by: michael h.
    Date published: 2018-08-27


    Does the L-308S have a back lit display?
    Asked by: Anonymous
    I don not believe that it does. Just received one that does not, and posts in various forums all indicate that there is no backlit display on this model.
    Answered by: Jon S.
    Date published: 2018-08-27


    I tried used a hot shoe flash (SB910) and bounced the flash into the wall and I measure the incident light with the L-308S. But, unfortunately, the f/stop I achieved via Flashmate was not accurate. I considered the ISO 100, 1/250 s. When I used the suggested f/stop my image was overexposed! (highlight warning blowed a lot). I aimed to the wall,next my subject (myself) in the direction the light came. To really take a correct exposure, I have to close the aperture 3 stops in relation to the obtained f/stop from flashmate! (I checked the histogram). What I did wrong? Thank you in advance!
    Asked by: Anonymous
    Incident and reflective metering are meant to be used with continuous lighting and will not give you a proper reading with a flash. Instead, you need to use the flash setting on the light meter. Additionally, you will not get a proper reading if you are using TTL - you will need to set your flash to manual mode in order to get a consistent, proper exposure.
    Answered by: Heather S.
    Date published: 2018-08-27


    Does the L-308S measure foot candles?
    Asked by: Anonymous
    The Sekonic L-308S measures light in EV Values, and provides Foot Candle and Lux conversions on page 19 of the instruction manual:
    Answered by: Heather S.
    Date published: 2018-08-27


    I normally shoot in either Aperture Priority or Manual modes---can't recall when,if ever, I shot in Shutter Priority ---can ambient readings be made without selecting either Shutter Priority or EV Modes with the L=308S?
    Asked by: Anonymous
    Only Shutter Priority or EV mode are set-able options. However, you can take a reading, once you receive the aperture, either change the ISO or shutter speed to get a varying aperture setting.
    Answered by: Heather S.
    Date published: 2018-08-27


    Is this flash meter compatible with Pocketwizard TT1 and TT5?
    Asked by: Anonymous
    That meter does not have Pocketwizards built in.You can attach a Pocketwizard Plus X, Plus lll or Flex tt5 to the sync port but it will only set it off and will not control or run in TTL. It will be manual only.
    Answered by: Robert K.
    Date published: 2018-08-27


    Is this flash meter compatible with Cybersync triggers and alien bees lighting?
    Asked by: Anonymous
    To use this light meter with your Cybersync triggers and Alien Bees lighting, you could take your Cybersync trigger which is supplied with a standard PC-sync cable and plug the PC cable into the meter, and when you press the meters button to take a reading, it will trigger the receiver connected to your Alien Bees.
    Answered by: Yos O.
    Date published: 2018-08-27
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