Sekonic - L-858D-U Speedmaster Light Meter

Product #:
Manufacturer #:
  • Sekonic - L-858D-U Speedmaster Light Meter
  • For measuring light
  • 0.1–2,000,000-lux illuminance range
  • -5–22.9 EV expanded measuring range at ISO 100
  • 1° spot viewfinder
  • 2.7” LCD color touchscreen
  • Micro-USB port
  • Flash duration & HSS flash measurements
  • Water-resistant
  • Color: Black
Screen Size:
2.7" (6.9 cm)
Screen Size:
The size of the screen listed by height and width.
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Our Price: $599.00

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The Sekonic - L-858D-U Speedmaster Light Meter is an indispensable gadget for professional photographers and filmmakers. It can take reflected and incident light readings of both ambient and flash lights, either within an illuminance range of 0.1 to 2,000,000 lux or at an expanded measuring range of -5 to 22.9 EV at ISO 100. This light meter has a 2.7-inch LCD color touchscreen that helps in viewing and changing settings. This weather-proof light meter’s 1° spot viewfinder lets you measure specific portions of a scene without much effort. Moreover, its Micro-USB port not only lets you install firmware updates, but also allows you to apply custom settings and use exposure profiling.

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Display Specifications
Screen Size: 2.7" (6.9 cm)
Screen Size:
The size of the screen listed by height and width.

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Display Type: Color touchscreen LCD
Display Type:
The type or brand of the screen.

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Detailed Specifications
ISO Range: 3 to 13,107,200 in 1/3 steps, 850
ISO Range:
Refers to the lowest and highest ISO sensitivity options the user has with a particular camera. (e.g. The Canon 5D Mark III has an ISO Range of 100-25,600)

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Frame Rate: 1-1,000 fps, and 20 user settings from 0.001-99,999.999 fps
Frame Rate:
Not to be confused with burst rate for still images, "Frame Rate" refers to the amount of frames per second (fps) that are recorded during video capture.

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Shutter Speeds: 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
Shutter Speeds:
The amount of time the shutter stay open for exposure. Measured in fractions of seconds.

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Physical Specifications
Dimensions: 3.7 x 6.9 x 1.9" (94 x 176 x 49 mm)
The measurements of an object.

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Weight: 8.5 oz (240 g) without batteries
The physical weight of the item without packaging.

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Color: Black
The color of the item.

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Brand: Sekonic
Scanner Specifications
Power Source: 2 x AA batteries (alkaline or manganese)
Power Source:
Type of power source that is needed for a device.

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Lens Specs
Lens 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)
Lens Aperture:
Range of Aperture size

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In The Box

  • Sekonic - L-858D-U Speedmaster Light Meter
  • Anti-Glare Sheet for LCD Screen
  • Lens Cap
  • Strap
  • Soft Case

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