Sekonic L-418

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The Sekonic L-418 Autometer is a hand held exposure meter released in 1977. It was designed as a more modern electronic version of the Sekonic L-398 with a similar physical shape and rotating light sensor head based on the Norwood Director.

Incident and reflective measurement can be taken by rotating the dial pointer to the desired click stop position. The meter automatically rotates the inner shutter dial when a reading is taken. This is similar to the first Minolta Auto Meter models. A rotating lock surrounds the measure button, preventing accidental usage. The meter also has one continuous metering scale and does not require setting the meter into a high or low mode.

This model was replaced by the Sekonic L-448 Studio-Auto II released in 1981.


  • Measuring system: Incident and reflective
  • Sensor element: Silicon photo diode
  • Measuring range (ISO 100): -4 to 17 EV incident
  • Measuring range (ISO 100): -0 to 21 EV reflective
  • Shutter: 60 min to 1/4000 sec.
  • Aperture: f1 to 90
  • Film speed: 6 to 25000 ASA
  • EV: -8 to 25
  • Power: SUM-3 1.5v (AA)
  • Dimensions: 130 x 67.5 x 34.5 mm
  • Weight: 200g