Sekonic L-308X-U Flashmate Light Meter (401-305) by Sekonic

(1071 customer reviews)

$239.00

$239.00

Customer Favorite — discover the Sekonic L-308X-U Flashmate Light Meter (401-305) by Sekonic, built for performance and designed for life in the United States.

About Sekonic L-308X-U Flashmate Light Meter (401-305)

  • Exposures accurate down to a tenth-of-a-stop for both ambient and electronic flash light readings in full-stop mode.
  • At ISO 100 the ambient EV range is 0 to 19.9 flash f/stops range from f/1.0 to f/90.9 with a shutter-speed span of 60-seconds to 1/8000th-of-a-second (1 sec to 1/500th for flash).
  • Photo Mode: for still image photographers featuring shutter or aperture priority display of a full range of ambient and flash functions including cord and cordless flash measurement
  • HD Cine Mode: perfect for DSLR and mirrorless videographers who need to take exposure readings and control light using shutter speeds and frame rates
  • Cine Mode: designed for use with cinema grade cameras, allows users to select from the most useful frame rates and shutter angles for exposure control with one-tenth stop accuracy.

The Sekonic L-308X-U Flashmate Light Meter (401-305) by Sekonic combines reliability, modern design, and user-focused engineering. Perfect for everyday use, it delivers trusted results for American customers who value innovation.

Photos: Sekonic L-308X-U Flashmate Light Meter (401-305) by Sekonic

1071 reviews for Sekonic L-308X-U Flashmate Light Meter (401-305) by Sekonic

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  1. David Z

    I have been a hobby photographer for a long time. I dabbled in landscapes, bird, and nature photography. Sometimes I would get nice photos and most of the time I was like, what am I doing wrong? I work at a school so occasionally I would shoot games or practice just to practice and expand what I normally photograph.. I was then asked to photograph the senior class group photo. I never liked the photos but they seemed to be happy with them. This year I was asked to shoot all sports, indoors and out. I have never shot indoors with any light set ups before. I am practicing like crazy and I am not at all happy with any of my work. I then decided to by the SeKonic L-308X-U flash mate Light Meter as my final piece of equipment. Game Changer! Why have I never used a light meter before this? I was intimidated by them. I learned this very fast because I mainly shoot in manual mode so I am familiar with the exposure triangle. Now I am blown away and I am so excited to get out there and create. For me it was easy to use and figure out. Accurate because I have way better exposures that I have ever have before. Expensive yes, but worth it.

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  2. Lee

    Buena construcción, es ligero y duradero, Sekonic es un referente en la industria, por lo que desde sus modelos de entrada te encontraras con su gran calidad; contiene una funda que se siente bien hecha, de imitación de cuero que se puede fijar al cinturón y un cordón para tenerlo fijado ya sea al cuello o a la muñeca, requiere una batería AA que NO se incluye, tampoco se incluye la funda original de silicon azul que se puede apreciar en la foto de fondo negro que adjunto, pero te recomiendo que la adquieras para mayor protección.

    Es fácil de operar con ayuda del manual o un par de videos en internet, en sentido sencillo, sirve para medir la luz reflejada y la incidente, la función más utili es esta ultima, la de medir la luz incidente; puedes usarlo tanto con luz constante (artificial y natural) o luz de estrobo (Flash), tú le das 2 de los 3 parámetros del triángulo de la exposición y este pequeño aparato te calcula el tercero, yo lo uso principalmente con luz de estudio, para controlar la potencia de mis luces, le doy el ISO, la velocidad de obturación y el fotómetro me calcula la apertura (los pasos o F-stop), de esta forma, y teniendo yo en mente a que apertura quiero disparar, puedo tomar mediciones y ver si estoy sub expuesto o sobre expuesto y ajusto los pasos necesarios en la potencia de la luz para llegar a la apertura que pretendo, como consejo te sugiero que cambies la configuración para que te mida los pasos o “F-stops” en tercios, si lo vas a usar para fotografía. Lo anteriormente descrito, por supuesto que no es para lo único que sirve (Aunque si el uso principal que yo le doy), también es útil para cámaras de video digitales (DSLRs y Mirorless) y de cine.

    Es una herramienta indispensable para quien quiera profesionalizar su flujo de trabajo en la producción fotográfica y de video.

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  3. David Z

    great light meter really works and i ordered the flat piece for indoor lighting. Great to double check you in camera meter

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  4. MIsterdoggy

    I am a photographer for a local studio, and I wanted to get something similar to what they were using for metering. This meter seems to be very accurate and easy to use. Price is a bit steep, but I figured it’s a long term investment. Recommend if you’re in the market for a quality light meter.

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  5. Shooter Boone

    My girlfriend is a cinema film photographer and I bought this for her for Christmas last year and it is one of her favorite gifts.

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  6. Mark

    Exposure meter measures just about any practical light source, both inductive and reflective and also has a mode to measure lux/fc most accurately. The benefits outweigh the unit’s cost which is a great bargain compared to more expensive meters.

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  7. S.F.

    Designed for the job. Simple and easy to use.

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  8. Robert J

    Being a Professional Photographer, I am very particular about how thing add up. I have been a photographer for more years than I can remember (Almost) but I decided to finally buy a “Simple and Accurate” light meter. It dose not matter what type of subjects you care to shoot, I assure you that this all the light meter you need!!! This meter will do what ever you want to do. I use all manual flash units, because I want each light to stay where I set it. Light is cumulative, so if you set up “EACH LIGHT” to do a specific thing, and you are using several lights, you need to know what each light is adding to the scene, and then you need to know what “ALL THE LIGHTS” are doing to complete the final shot. This meter is not only easy to use, it is very accurate and makes the entire shoot go “EXTREMELY FAST”!!!

    As I get older…time becomes more important, and this wonderful little meter really is “THE TICKET” for me. I will say that I also got a grip, or cover, for mine that is red in color and soft to the touch. I think the cover (Or Grip…As Amazon calls it) was over priced, however I wanted one, so what can I say. OH WELL!!!

    If you want to meter for incident light, ambient light, or for flash, then you will love this meter.
    Take it from me, (Mr. Picky) this is all the meter you will “EVER NEED”…”NO MATTER WHAT YOU SHOOT”!!!

    Hope you take stock in what I have said, because I took the time to write this “FOR YOU”!

    Thanks,
    Shooter Boone.

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  9. teoma

    Overall nice meter. Have not been able to test the ambient exposure out yet. Light and easy to use, so far my flash exposures have been close but seem to be over by about 1/2 stop. This could just be my getting used to the meter and learning the proper placement.

    This meter does what you need minus some of the fancy stuff of other meters costing substantially more. Display is fairly easy to read for my old eyes and it is light weight so easily goes into the camera bag.

    For a straight forward flash/ambient meter you won’t fo wrong with this one.

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  10. Jeff Rusu

    Sekonic L-308X-U light meter functions measuring ambient light, manually and remote triggered flash. ISO range ISO 3 to 8000. Takes readings in incident and reflected light modes by sliding a lumisphere dome over or away from the meter cell. Measurements in f/stops with 1/10 stop increments. Also functions in CINE and HD CINE modes. Easy and straighfoward to operate. Provided with a lanyard and synthetic leather pouch with belt loop.

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    Last updated on October 19, 2025 5:51 am Details
    Sekonic L-308X-U Flashmate Light Meter (401-305) by Sekonic
    Sekonic L-308X-U Flashmate Light Meter (401-305) by Sekonic

    $239.00

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