Sekonic L-308X-U Flashmate Light Meter | Open Box

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The Sekonic L-308X-U Flashmate is a compact, highly accurate light meter designed for photographers and cinematographers who demand precise exposure control in any lighting condition. With ambient, flash, and cine metering modes, it’s a versatile tool for both still and motion work.

Key Features

Three Metering Modes

  1. Photo Mode – Measures ambient and flash exposure with shutter or aperture priority for full creative control.
  2. HD Cine Mode – Supports frame rates (8–128fps) and includes ISO 850, ideal for modern cinema cameras.
  3. Cine Mode – Offers shutter angle adjustment (45°–360°) and lux/foot-candle readings for lighting setups.

Dual Light Measurement

  1. Incident light (via sliding lumisphere) for balanced exposure.
  2. Reflected light (40° reception angle) for metering subject tones.

Wide & Accurate Range

  1. EV 0–19.9 (ISO 100) for ambient light.
  2. Flash metering: f/1.0–f/90.9 (ISO 100).
  3. ±0.1 EV repeatability for consistency.

User-Friendly Enhancements

  1. Auto-backlit LCD (activates under EV5).
  2. Custom calibration (±1.0 EV adjustment).
  3. Optional Lumidisc for flat subject metering.

Specifications:

  1. Type: Digital light meter (ambient & flash)
  2. Light Measurement: Incident (Lumisphere/Lumidisc) & Reflected (40° angle)
  3. Sensor: Silicon photodiode

Modes

  1. Photo Mode:
  2. Ambient: Shutter/Aperture Priority, EV
  3. Flash: Cordless/Cord modes
  4. HD Cine Mode:
  5. Shutter speed priority, Frame rate setting (8-128fps), Illuminance
  6. Cine Mode:
  7. Frame rate priority, Shutter angle (45°-360°), Illuminance

Measuring Range (ISO 100)

  1. Ambient Light: EV 0–19.9 (Incident/Reflected)
  2. Flash: f/1.0–f/90.9 (Incident/Reflected)
  3. Illuminance: 2.5–190,000 lx / 0.23–17,000 fc
  4. Repeat Accuracy: ±0.1 EV

Display & Settings

  1. ISO Range: 3–8,000 (1/3 steps), incl. ISO 850
  2. Shutter Speeds:
  3. Photo: 60s–1/8000s
  4. Flash: 1s–1/500s (+ sync speeds)
  5. Aperture: f/0.5–f/90.9
  6. EV Range: -6.0 to 27.3 (0.1-step increments)
  7. Backlit LCD: Auto-on below EV5

Physical

  1. Size: 63 × 110 × 22mm
  2. Weight: 80g (without battery)
  3. Battery: 1× AA
  4. Operating Temp: 0°C to +40°C

Included Accessories

  1. Soft case, wrist strap, sync terminal cap
  2. Startup guide, safety manual