Sekonic L-858D-U SPEEDMASTER Light Meter – The Ultimate Tool for Precision Exposure Measurement

The Sekonic L-858D-U Speedmaster Light Meter is an advanced, multi-functional exposure meter designed for professional photographers and videographers. With its sleek, ergonomic design and groundbreaking features, the L-858D-U delivers unparalleled accuracy for both ambient and flash light measurement. The first of its kind to measure flash duration, it allows you to accurately assess whether your flash will freeze motion, making it perfect for high-speed photography and studio setups.

Equipped with a retractable lumisphere for incident light metering, and a precise 1° spot meter for reflected light, the L-858D-U offers exceptional versatility. Whether you're shooting landscapes, portraits, or intricate detail shots, the L-858D-U provides the control you need. The large 2.7" color touchscreen LCD offers intuitive operation, while the weather-resistant design ensures durability in all environments. With the ability to measure flash duration (including High-Speed Sync - HSS) and extensive compatibility with wireless triggering systems, this meter is a must-have tool for today’s fast-paced, high-demand shooting scenarios.

Key Features

• Retractable Lumisphere & 1° Spot Meter: Offers flexibility for measuring both ambient and flash light for precise exposure calculations.
• Flash Duration Measurement: The first light meter capable of measuring flash duration, including High-Speed Sync (HSS), to ensure your flash freezes motion accurately.
• Expanded Light Sensitivity: Accurate metering even in challenging lighting conditions like candlelight or low-light environments for long-exposure photography.
• Wireless Triggering Compatibility: Supports multiple wireless systems, including PocketWizard, Elinchrom, Godox, and more, allowing you to trigger flashes remotely for complete control.
• Multi-Function Display: 2.7" color touchscreen LCD with backlight for clear, easy-to-read results in any lighting condition.
• Weather-Resistant Design: Built to withstand challenging environments, the L-858D-U is ready for outdoor shoots, with water resistance and durable construction.
• Customizable Settings: Offers up to 17 custom settings for personalized operation, ensuring the meter fits your specific workflow.

Technical Specifications

Measuring System: Exposure Meter
Sensor: SPD
Incident Light: Swivel head, retractable Lumidisc
Reflected Light: 1° Spot
Measuring Modes (Ambient Light): T priority, F priority, TF priority, HD_CINE (T priority), CINE (f/s priority), Lux/FC, Cd/m2/FL
Measuring Modes (Flash Light): Cordless, Cord-in (PC), Radio triggering (optional transmitters), Multiple flash, HSS, Flash duration analysis
Measuring Range (Ambient Incident Light): EV-5 to EV22.9, 0.1 lx to 2,000,000 lx, 0.01 fc to 180,000 fc
Measuring Range (Ambient Reflected Light): EV-1 to EV24.4, 0.1 cd/m2 to 980,000 cd/m2, 0.03 fl to 290,000 fl
Measuring Range (Flash Incident Light): F0.5 to F161.2
Measuring Range (Flash Reflected Light): F1.0 to F161.2
ISO Range: ISO 3 to ISO 13,107,200 + ISO 850
Aperture Range (Ambient Light): F0.5 to F161.2 (in 1/3 step)
Aperture Range (Flash Light): F0.5 to F161.2 (in 1/3 step)
Shutter Speed Range (Ambient Light): 30m to 1/64,000s (in 1/3 step)
Shutter Speed Range (Flash Light): 30m to 1/16,000s (in 1/3 step)
Flash Duration Range (Flash Light): 1/40s to 1/55,500s (in 0.1 steps)
Frame Rate Range (Ambient Light): 1 f/s to 1,000 f/s (customizable settings available)
Shutter Angles Range (Ambient Light): 1° to 358° (customizable settings available)
EV Range (Incident Light): EV-73.9 to EV103.8
EV Range (Reflected Light): EV-69.9 to EV105.3
Memory: 9 memories (both incident and reflected light)
Radio System: Compatible with PocketWizard, Elinchrom, Godox, and other wireless triggering systems
Exposure Compensation: +/- 9.9EV in 0.1 steps
Calibration Compensation: +/- 1.0EV in 0.1 steps
Operating Temperature: -10°C to 50°C
Storage Temperature: -20°C to 60°C
Power Source: 2 x AAA 1.5V batteries
Display: 2.7" Color Touchscreen LCD
Weight: 0.53 lb (0.24 kg)
Dimensions: 1.93" H x 6.93" L x 3.7" W (4.9 cm H x 17.6 cm L x 9.4 cm W)

What's in the Box

• Startup Guide
• Strap
• Soft Case
• Lens Cap
• Anti-glare Film
• Safety Precautions
• Downloadable Operating Manual
• Data Transfer Software