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The Sekonic L-858D-U Speedmaster Light Meter is the world’s first multi-function light meter designed for photographers and filmmakers, featuring a 2.7" color touch screen and cutting-edge technology. With over 60 years of expertise, Sekonic delivers unmatched precision in light measurement, making it ideal for both studio and on-location work.
This advanced meter is the first to measure flash duration and provides accurate readings in extremely low light (down to 0.1 lx). It also offers wireless compatibility with Elinchrom, Phottix, and PocketWizard systems, ensuring a seamless workflow. Whether you're working with High-Speed Sync (HSS), ambient-flash balance, or cine settings, the L-858D-U provides the critical data needed for perfect exposure.
Key Features
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World’s First Flash Duration Measurement – Accurately measures flash duration for precise lighting control.
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High-Speed Sync (HSS) & Cine Metering – Supports HSS flash and cine frame rates (0.001–1000 fps).
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Wireless Flash Triggering – Works with Elinchrom, Phottix, and PocketWizard for cordless flash metering.
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Ultra-Low Light Sensitivity – Measures down to 0.1 lx, matching modern high-ISO cameras.
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1° Spot Metering – For precise reflected light readings.
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2.7" Color Touchscreen – Intuitive interface for quick adjustments.
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Extended ISO & Shutter Range – ISO 3–13,107,200 & shutter speeds from 1/64,000 to 30 minutes.
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Flash Sync up to 1/16,000 sec – Ideal for fast-action photography.
- 9-Exposure Memory – Store and recall readings for consistent results.