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Sekonic Speedmaster L-858D-U Light Meter (401-858)

4.4 4.4 out of 5 stars 169 ratings
Amazon's Choice highlights highly rated, well-priced products available to ship immediately.
Amazon's Choice in Photographic Light Meters by Sekonic

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L-858D-U

Purchase options and add-ons

  • Flash Duration Measurements - Understanding flash duration is the first step in freezing fast-moving subjects.
  • Radio Control Modules for Wireless Triggering - The L-858 Speedmaster Pro expands upon ground-breaking innovation by adding functionality for Elinchrom Skyport and Phottix Strato II/ Ares II users
  • Increased Light Sensitivity - An additional 3-stops of light sensitivity for incident light, 2-stops, for reflected light (spot), and an ability to capture a reading down 0.1 lx of Illuminance
  • HSS Flash Measurements - Finally, photographers now have an accurate way of measuring their lights when they want to overpower the sun or achieve a very shallow depth of field through using HSS
  • Flash Analyzing Function - Measures ambient and flash simultaneously and automatically indicates the percentage of flash in the total exposure
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Price$629.00$157.00-19% $126.50
Typical:$157.00
$229.00$21.95$34.99
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Get it as soon as Monday, Apr 1
Get it as soon as Tuesday, Apr 2
Get it as soon as Monday, Apr 1
Get it as soon as Monday, Apr 1
Get it as soon as Monday, Apr 1
Customer Ratings
Accuracy
4.6
4.4
4.1
4.0
Easy to use
4.1
4.5
4.3
4.1
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From the manufacturer

Flash Duration Measurements

Understanding flash duration is the first step in freezing fast-moving subjects. Since all cameras are limited to relatively low sync speeds, stopping motion in a single image is often achieved by leveraging short flash durations with the camera’s max sync speed. A long-held secret of some of the world’s most talented photographers, the key to freezing action consistently is found in being able to measure flash duration. Photographers are now able to do this easily for the first time, demystifying one of photography’s most challenging techniques.

Increased Light Sensitivity

Increased ISO capabilities in today’s cameras have created a need for light meters to increase their ability to measure light in the dimmest of settings. With an additional 3-stops of light sensitivity for incident light, 2-stops of light sensitivity for reflected light (spot), and an ability to capture a reading down to 0.1 lx of Illuminance, accurately metering scenes lit by candlelight or getting the right measurement for long-exposure night photography is now a possibility.

HSS Flash Measurements

The L-858D-U is the first meter of its kind that can measure the stroboscopic pulses fired from strobes when they are used for Hi-Speed Sync. Finally, photographers now have an accurate way of measuring their lights when they want to overpower the sun or achieve a very shallow depth of field through using HSS.

Flash Analyzing Function

The L-858D is especially useful for on-location shooting to lighten shadows or reduce background detail. That's because it measures ambient and flash simultaneously and automatically indicates the percentage of flash in the total exposure. You can easily adjust the ambient flash mix by turning the Jog Wheel. The digital display indicates the camera settings and an analog display shows the relationship between ambient and flash and the total exposure.

Product information

Warranty & Support

Product Warranty: For warranty information about this product, please click here

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Sekonic Speedmaster L-858D-U Light Meter (401-858)


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Product guides and documents

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What's in the box

  • Light Meter
  • Product Description

    Sonic Speed master L-858D-U is the world's first multi-function, multi-brand wireless triggering light meter. It is the first of its kind capable of measuring flash duration and brief flash bursts like you find from HSS (High Speed Sync) for precision flash control.

    Customer reviews

    4.4 out of 5 stars
    4.4 out of 5
    169 global ratings

    Customers say

    Customers like the lighting capabilities of the product. For example, they say it's a great light meter that measures both flash and ambient light. They also appreciate the user-friendly design and the simple buttons. That said, some complain about the touch screen, saying it'll never register their finger movements and the sensitivity is too low. Opinions are mixed on performance.

    AI-generated from the text of customer reviews

    10 customers mention7 positive3 negative

    Customers like the value of the product. They mention it's a great asset to have, works well, and is incredibly useful.

    "...The 858D is the only purpose built meter for hss. And it works, quite well, I might add. Accurate to a 1/10th of a stop...." Read more

    "Excellent product- highly recommend. Hopefully, Sekonic will add Godox flash remote triggering in the near future." Read more

    "...What a waste of real estate...." Read more

    "Great product...." Read more

    6 customers mention6 positive0 negative

    Customers find the camera easy to use. They say the camera profiles are easy to set up and the touch screen is easy to work with. Customers also say that it saves time and makes it easier to recreate specific looks or match.

    "...So I purchased a sekonic 208. Nice meter, for sure...easy to use. But it doesnt work with hss. Returned it. Did some research...." Read more

    "...Saves me time and it is much easier to recreate specific looks or match scenes from day to day...." Read more

    "...There is speed and simplicity in buttons." Read more

    "...It is easy to use. Measures both flash and ambient light. The touch screen is easy to work with...." Read more

    6 customers mention6 positive0 negative

    Customers like the lighting of the product. They say it is a great light meter that measures both flash and ambient light. They also love the spot meter function, cumulative flash metering, and the option to display EV or luminance information at the same time. Customers also mention that the product is bright.

    "...Accurate to a 1/10th of a stop. Has a 1 degree spot meter--fantastic. I know some people don't like the design, but I love it...." Read more

    "...I love the spot meter function. Btw, I use this with a number of camera systems, including the Arri Alexas, the Reds, the Sony’s, Blackmagic’s etc." Read more

    "...optical scope for isolating the area to read, and a display along the bottom to read values without having to take your eye away to look at the main..." Read more

    "The Sekonic Speedmaster L-858D-U Light Meter is truly a great light meter. It is easy to use. Measures both flash and ambient light...." Read more

    3 customers mention3 positive0 negative

    Customers are satisfied with the quality of the light meter. They mention that it is the best and most functionally robust light metre they have ever used.

    "...Don’t get a cheap meter this one is high quality." Read more

    "...But at its core, this is still the best and most functionally robust light meter I've ever used. For that, it gets a good overall rating...." Read more

    "Best lightmeter and does HSS!!!I love this meter but make sure to upgrade the firmware.Lots and lots of featuresOnly cons are:..." Read more

    8 customers mention4 positive4 negative

    Customers are mixed about the performance of the product. Some mention that it works well, while others say that it doesn't work with their camera.

    "...think I would like the touch screen functions but it actually works really well. As far longevity, we'll see...." Read more

    "...Nice meter, for sure...easy to use. But it doesnt work with hss. Returned it. Did some research...." Read more

    "...Works well with my Godox and Flashpoint on and off camera flashes." Read more

    "...For this purpose, this meter is effectively useless. Why?The touch screen...." Read more

    5 customers mention0 positive5 negative

    Customers are dissatisfied with the touch screen of the camera. They say that it can be finicky, confusing, and does not register finger movements.

    "...Fix the touchscreen issues. It needs to be more responsive, it needs to be faster, and the UI needs to be modernized, cleaner and more professional...." Read more

    "...visible in daylight, and even if it is visible, the sensitivity is too low to work with...." Read more

    "...I feel like the touch screen interface is overly confusing, and I wish there were more buttons. It is quite bulky which makes it difficult to pack." Read more

    "The meter works great but the touch screen is a pain. I'm constantly trying to tap and slide to get it to the number I want." Read more

    Speed up your workflow and increase accuracy
    5 Stars
    Speed up your workflow and increase accuracy
    I’m a full time gaffer for film and music videos and this is a must have tool for anyone working in film or photography industries. I am much faster and more accurate when I light a scene now that I use this Sekonic Meter. Saves me time and it is much easier to recreate specific looks or match scenes from day to day. Mostly use the ambiance modes but for flash photography it is powerful as well. I highly recommend. I like the digital display and touch screen. It’s very clear to read and you can change the background colors which is nice.Don’t get a cheap meter this one is high quality.
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    Top reviews from the United States

    Reviewed in the United States on June 11, 2018
    Style: L-858D-UVerified Purchase
    11 people found this helpful
    Report
    Reviewed in the United States on October 15, 2019
    Style: L-858D-UVerified Purchase
    6 people found this helpful
    Report
    Reviewed in the United States on September 7, 2023
    Style: L-858D-UVerified Purchase
    Reviewed in the United States on April 24, 2021
    Style: L-858D-UVerified Purchase
    Customer image
    5.0 out of 5 stars Speed up your workflow and increase accuracy
    Reviewed in the United States on April 24, 2021
    I’m a full time gaffer for film and music videos and this is a must have tool for anyone working in film or photography industries. I am much faster and more accurate when I light a scene now that I use this Sekonic Meter. Saves me time and it is much easier to recreate specific looks or match scenes from day to day. Mostly use the ambiance modes but for flash photography it is powerful as well. I highly recommend. I like the digital display and touch screen. It’s very clear to read and you can change the background colors which is nice.
    Don’t get a cheap meter this one is high quality.
    Images in this review
    Customer image Customer image
    Customer imageCustomer image
    One person found this helpful
    Report
    Reviewed in the United States on April 28, 2020
    Style: L-858D-UVerified Purchase
    10 people found this helpful
    Report
    Reviewed in the United States on February 24, 2021
    Style: L-858D-UVerified Purchase
    28 people found this helpful
    Report
    Reviewed in the United States on May 16, 2023
    Style: L-858D-UVerified Purchase

    Top reviews from other countries

    Translate all reviews to English
    Hugo Rivas
    5.0 out of 5 stars Excelente equipo!
    Reviewed in Mexico on December 15, 2023
    Style: L-858D-UVerified Purchase
    jim
    4.0 out of 5 stars i bought this mainly for HSS
    Reviewed in Canada on August 8, 2019
    Style: L-858D-UVerified Purchase
    George
    5.0 out of 5 stars Useful and handy device
    Reviewed in Australia on April 3, 2021
    Style: L-858D-UVerified Purchase
    EDCFan
    5.0 out of 5 stars Realmente útil en la fotografía y video
    Reviewed in Mexico on March 10, 2020
    Style: L-858D-UVerified Purchase
    Emilia
    5.0 out of 5 stars la mejor compra!
    Reviewed in Mexico on March 4, 2024
    Style: L-858D-UVerified Purchase