Sekonic Speedmaster L-858D-U Light Meter

Sekonic Speedmaster L-858D-U Light Meter

Sekonic Speedmaster L-858D-U Light Meter

B&H # SEL858DU MFR # 401-858
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Product Highlights

  • Incident Metering for Ambient & Flash
  • 1° Spot Metering with Viewfinder
  • Measuring Range: -5 to 22.9 EV (ISO 100)
  • Illuminance Range: 0.1 to 2,000,000 lux
  • Extensive Range of Cine & Video Settings
  • HSS Flash & Flash Duration Measurements
  • Flash Analyzing Function; Extended Range
  • 2.7" Touchscreen LCD; All-Weather Design
  • Optional Radio Control Modules
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You Pay: $595.00

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Sekonic L-858D overview

  • 1Description

Aiming to provide for the needs of both photographers and filmmakers, the Speedmaster L-858D-U Light Meter from Sekonic comes packed with a variety of upgraded features and capabilities that make it an almost essential tool for a working professional. It is able to take incident and reflected light readings of both flash and ambient light with an expanded measuring range of -5 to 22.9 EV at ISO 100, or within an illuminance range of 0.1 to 2,000,000 lux. Users will also find it intuitive and easy-to-use thanks to the use of a 2.7" color touchscreen LCD and an all-weather design.

The meter can use either a 270° rotating and collapsible lumisphere or an integrated 1° spot viewfinder to account for varying needs of the user. Also, it offers an extensive range of cinema and video settings as well as the unique ability to measure flash duration and to take readings when using high-speed sync flash. The L-858D-U is equipped with a variety of other functions as well, including memory recall, a Flash Analyzing Function, and extended ranges on nearly every setting. Additionally, through the use of optional modules, users can add radio triggering support for PocketWizard and Elinchrom/Phottix systems.

Lumisphere receptor head rotates 90° right and 180° left and retracts for conversion to a flat diffuser.
Integrated 1° spot viewfinder with full information display provides a precise method of measuring specific parts of a scene.
Ability to measure flash duration within a range of 1/40 to 1/55,500 second using t0.1 to t0.9 settings.
Improved sensitivity of the L-858D-U allows it to record a reading at just 0.1 lux illuminance as well as use expanded range of -5 to 22.9 EV for incident readings and -1 to 22.4 EV for reflected light. Also, it features an extended ISO range of ISO 3 to ISO 13,107,200 with an option available for ISO 850.
Optional radio modules are available for PocketWizard and Elinchrom/Phottix systems for advanced wireless triggering and remote flash control.
High-Speed Sync support allows photographers to accurately take readings while using HSS with their flashes and cameras.
Flash Analyzing Function measure ambient and flash simultaneously to provide a percentage of flash in the final exposure. Users can then adjust the mix as the display shows camera settings and the relationship between the flash and ambient light in your exposure.
Users can determine the dynamic range of their camera using optional targets by taking bracketed shots with their measurement data and they using the Sekonic Data Transfer Software to graph and then save the information to the meter.
Expanded shutter speed ranges now allow for readings between 1/64,000 second to 30 minutes with ambient light and 1/16,000 second to 30 minutes for flash.
A comprehensive set of cinema modes allows for settings of 1-1000 fps as well as shutter angles of 1-358°. Twenty user determined settings are also available that provide more precise options of 0.001-360° shutter angles and 0.001-99,999.999 fps.
2.7" color touchscreen LCD provides a fast and intuitive method for viewing and changing settings.
Micro-USB port can be used for firmware updates, applying custom settings, and to use exposure profiling.
The L-858D-U features an all-weather construction that is dust and splash proof (JIS Class 4).
In the Box
Sekonic Speedmaster L-858D-U Light Meter
  • Anti-Glare Sheet for LCD Screen
  • Lens Cap
  • Strap
  • Soft Case
  • Limited 1-Year Warranty with 2-Year Extension upon Online Registration
  • Table of Contents
    • 1Description

    Sekonic L-858D specs

    Type Digital light meter for flash and ambient light
    Radio Frequency None
    Receptor Element Silicon photo diodes
    Receptor Head Incident Light: Lumisphere convertible to flat diffuser, rotates 90° right & 180° left
    Reflected Light: 1° spot viewfinder
    Measuring Modes Ambient Light
    F priority (aperture)
    T priority (shutter speed)
    TF priority (shutter speed and aperture)
    HD Cine (shutter priority, FPS metering, lux, or fc)
    Cine (FPS metering, shutter angle setting, lux, or fc)
    Illuminance (lux or fc)
    Luminance (cd/m² or fl)
    Flash Light
    Cord (PC sync terminal)
    Radio triggering (optional)
    HSS Flash (cordless)
    Flash Duration Analysis (cord, cordless, or radio)
    Measuring Range Ambient Light (ISO 100)
    Incident: -5 to 22.9 EV
    Reflected: -1 to 24.4 EV
    Flash Light (ISO 100)
    Incident: f/0.5 to f/128.9
    Reflected: f/1.0 to f/128.9
    0.01 to 180,000 fc / 0.1 to 2,000,000 lux
    0.03 to 290,000 fl / 0.1 to 980,000 cd/m²
    Repeat Accuracy 0.1 EV or less (Incident light: from EV-2, Reflected light: from EV1)
    0.2 EV or less (Incident light: under EV-2, Reflected light: under EV1)
    ISO Range 3 to 13,107,200 in 1/3 steps, 850
    Shutter Speed Ambient Light: 1/64,000 sec to 30 min, 1/200, & 1/400 sec, in 1, 1/2, and 1/3 steps
    Flash Light: 1/16,000 sec to 30 min, 1/75, 1/80, 1/90, 1/100, 1/200, & 1/400 sec, in 1, 1/2, and 1/3 steps
    Flash Duration 1/40 to 1/55,500 sec (25 ms to 18 us)
    t0.1 to t0.9
    Aperture f/0.5 to f/128.9 (in 1 step)
    f/0.5 to f/152.4 (in 1/2 steps)
    f/0.5 to f/161.2 (in 1/3 steps)
    Frame Rate 1-1,000 fps, and 20 user settings from 0.001-99,999.999 fps
    Shutter Angle 1-358°, and 20 user settings from 0.001-360°
    EV Range Incident Light: -73.9 to 103.8 EV
    Reflected Light: -69.9 to 105.3 EV
    Memory Function 9 readings
    Connections 1 x PC sync terminal
    1 x Micro-USB port
    Screen 2.7" / 6.9 cm color touchscreen LCD
    Power Source 2 x AA batteries (alkaline or manganese)
    Tripod Mount Yes, 1/4"-20
    Operating Conditions Temperature: 14 to 122°F / -10 to 50°C
    Humidity: 0 to 85%
    Storage Conditions Temperature: -4 to 140°F / -20 to 60°C
    Humidity: 0 to 85%
    Dimensions 3.7 x 6.9 x 1.9" / 94 x 176 x 49 mm
    Weight 8.5 oz / 240 g without batteries
    Packaging Info
    Package Weight 1.45 lb
    Box Dimensions (LxWxH) 10.2 x 6.5 x 3.7"

    Sekonic L-858D reviews

    Speedmaster L-858D-U Light Meter is rated 4.1 out of 5 by 28.
    Rated 5 out of 5 by from My favorite meter of all time! This meter can handle anything. I got it for direct readout fstop readings for HSS portraits. The 858, to my knowledge, is the only flashmeter on the market with HSS readout. It performed flawlessly eliminating the chimping on HSS shoots. I also have calibrated the meter to several of my sensors (D500, D750, D810 Nikons). Once calibrated, the 5 degree spot can be used to measure the brightest point in a scene and ensure shoot to the right metering for landscapes (in my case). Instead of bracketing I now shoot one shot that ensures the scene will render within the dynamic range of each of my cameras. Nothing short of amazing.
    Date published: 2017-05-10
    Rated 2 out of 5 by from Mixed emotions... happy and disappointed at the same time. Product works well when reading in ambient or flash mode. Never had issues in these 2 modes. I bought this as an upgrade from my Sekonic 478 because I wanted to use it for HSS work. I have a Streaklight 360 and Xplor 600 which supports HSS. While in HSS mode, I am able to get the exposure reading without issues when I'm in a partial shade. However, When I am a direct sunlight, the subject is backlit by the sun, the L-858D's F-Stop reading just says - - or under. This happens to my L478 too so i know its normal for L478. But i guess L858D defeats its purpose if you can't get HSS reading in a sunny environment. On the other hand, if I use a ND filter, shutter speed 1/200, iso 100 and set the light meter to just Flash Mode, I get a proper reading..
    Date published: 2017-04-26
    Rated 5 out of 5 by from Easy to use, well built, capable light meter. Very capable light meter. Easy to use and calibrate. Well Built. Uses 2 x AA batteries. The graphic interface is some what dated. I have never understood why camera equipment companies never seem to use modern iPhone/Android designers to update their user interfaces. Have not yet found a use for the flash durational analysis.
    Date published: 2017-03-30
    Rated 5 out of 5 by from Indestructible!! Got mine from B&H and had it brought over to me in Central African Republic by a friend two weeks ago. While testing it for the very first time near my fence I somehow disturbed a hidden nest of wasps whose residents immediately went into a furious offensive. In my flight to safety, I dropped the L-758 one metre down onto the concrete drive way and my heart sunk. I was amazed, when I picked it up later, to find that it still worked perfectly! So far my few tests using it and the colorchecker passport indicate that it's one of the best investments I have ever made in photography. My exposures and colors are now dead accurate and I look forward to finding time to calibrate my cameras with it.
    Date published: 2017-04-05
    Rated 5 out of 5 by from Excellent!!! A must have accessory for any cinematographer.. I've been using the L458, without the spot meter & have been missing the spot readings, which is critical in any shoots, mostly outdoors. The touch screen display is not as sensitive as with the cell phones, still it serves the purpose. Customizable shutter angles & frame rates is a good add-on to have. so is the filter compensation, even though i like to compensate for it manually. The battery life seems to be pretty decent. Overall I recommend it to anyone serious about accurate exposure,
    Date published: 2017-06-01
    Rated 4 out of 5 by from Good Exposure Meter. Great if they fix high speed sync. It is a definite upgrade from my L-358. It allows customizations which I like and have implemented, e.g., multiple camera exposure profiles, menus, see settings on 4 different groups, etc. The only problem is it doesn't seem measure Hi-Sync exposures with my Elinchrom lights as others have mentioned. Hoping for a firmware update.
    Date published: 2017-08-02
    Rated 5 out of 5 by from Lives up to its name Lives up to its brand plus interesting features. I am not into HSS but I I like the idea of having a meter with the capability of measuring flash duration. I shoot with film in medium format but I also use the Profoto D2 (in manual mode). Someday, I might use this meter while freezing objects in the air with the monolight.
    Date published: 2017-03-29
    Rated 3 out of 5 by from Test before buy Mainly used in Cine mode. Start up each time seems to take forever. When I'm shooting I want to quickly grab a reading but have to turn on the meter and wait to go thru menu etc. Just a little thing but when it's hectic on set it's annoying.
    Date published: 2017-04-30
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