Sekonic SpeedMaster L-858D Light Meter

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Product details

Management number	203890819	Release Date	2025/10/18	List Price	$1,725.60	Model Number	203890819
Category	New

The Sekonic Speedmaster L-858D is designed to meet the advanced needs of both photographers and filmmakers, packing a range of enhanced features and functionalities. This comprehensive light meter facilitates incident and reflected light readings for flash and ambient light, boasting a vast measurement range from -5 to 22.9 EV at ISO 100, and an illuminance range from 0.1 lux up to 2 million lux. Its user-friendly interface is highlighted by a 2.7" colour touchscreen LCD, complemented by a durable all-weather design for reliability under various conditions.

Key features include a versatile lumisphere that rotates 270° and a precise 1° spot viewfinder, catering to diverse measuring needs. The L-858D stands out with its capability to measure flash duration and provide accurate readings even with high-speed sync flash, enhancing its utility for dynamic shooting scenarios. Memory recall, Flash Analyzing Function, and expanded setting ranges add to its versatility, while optional radio modules enable seamless integration with PocketWizard and Elinchrom/Phottix systems for wireless triggering and remote flash management.

Features

A rotatable and retractable lumisphere for adaptable measurement modes.
Integrated 1° spot viewfinder offering detailed scene analysis.
Measurement of flash durations ranging from 1/40 to 1/55,500 second for precise flash control.
Exceptional sensitivity for low light measurements down to 0.1 lux and expanded EV ranges for comprehensive light reading capabilities.
Support for High-Speed Sync, enabling optimal use of HSS with flash and camera systems.
The Flash Analyzing Function helps balance flash and ambient light for perfect exposure.
Customizable settings for cinema and video, including fps and shutter angles, to match precise shooting requirements.
A robust 2.7" colour touchscreen for easy navigation and setting adjustments.
Firmware updates and custom settings through a micro-USB port for continuous performance enhancement.
Durable, all-weather construction ensures reliability in diverse environments.

Specifications

Key Specs

Meter Type	Ambient, Cine, Flash, Spot
Spot Metering	1° Spot
Flash Metering	Cordless
Light Reading Method	Incident, Reflected
Light Readings	Candelas per Meter Squared (cd/m²), Foot Lamberts (fl), Footcandle, Lux
Measuring Modes	Aperture Priority, FPS Metering, Flash Duration Analysis, HSS Flash, Shutter Priority
Max Flash Sync Speed	1/16,000
Cine Speed / Shutter Angle	0.001 to 1000 fps at 1 to 358°
Diffuser	Adjustable Spherical to Flat
Display	2.7" / 6.9 cm Color Touchscreen LCD
System Connection	PC Sync Terminal Micro-USB Port
Battery	2 x AA (Alkaline, Manganese)
Radio System	No

Spot Metering	1° Spot
Flash Metering	Cordless

Metering

Light Reading Method	Incident, Reflected
Light Readings	Candelas per Meter Squared (cd/m²), Foot Lamberts (fl), Footcandle, Lux
Measuring Modes	Aperture Priority, FPS Metering, Flash Duration Analysis, HSS Flash, Shutter Priority
Aperture Range	Flash, Incident: f/0.5 to 128.9 at ISO 100 Flash, Reflected: f/1 to 128.9 at ISO 100 f/0.5 to 161.2 (1, 1/2, 1/3-Step Increments) at ISO 100
EV Range	Ambient, Incident: -5 to 22.9 EV at ISO 100 Ambient, Reflected: -1 to 24.4 EV at ISO 100
ISO Range	3 to 13,107,200 (1/3-Step Increments), Plus 850
Shutter Speed Range	1/64,000 to 30 Minutes (1, 1/2, 1/3-Step Increments), Plus 1/400, 1/200
Max Flash Sync Speed	1/16,000
Cine Speed / Shutter Angle	0.001 to 1000 fps at 1 to 358°
Illuminance Range	0.1 to 2,000,000 Lux / 0.01 to 180,000 fc
Luminance Range	0.3 to 290,000 fL / 0.1 to 980,000 cd/m²
Exposure Memory	Yes, 9 Readings

Physical

Receptor Element	Silicon Photodiode
Diffuser	Adjustable Spherical to Flat
Display	2.7" / 6.9 cm Color Touchscreen LCD
System Connection	PC Sync Terminal Micro-USB Port
Media Card Reader	No
Tripod Mounting Thread	1/4"-20 Female

Environmental

Operating Temperature	14 to 122°F / -10 to 50°C
Operating Humidity	0 to 85%
Storage Temperature	-4 to 140°F / -20 to 60°C
Storage Humidity	0 to 85%

General

Battery	2 x AA (Alkaline, Manganese)
Radio System	No
Dimensions	3.7 x 6.9 x 1.9" / 94 x 176 x 49 mm
Weight	8.5 oz / 240.0 g (without Batteries)

Packaging Info

Package Weight	1.395 lb
Box Dimensions (LxWxH)	10.3 x 6.55 x 3.8"

The Sekonic Speedmaster L-858D sets a new standard for light measurement tools, offering unparalleled precision and flexibility for professionals seeking to master their lighting environment.

What's Included
1x Sekonic SpeedMaster L-858D Light Meter