L-358 Flash Master Diagram

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Lock Lever

Locks lumisphere

Lumisphere

Removeable lumisphere (location for optional 1,5 or 10 degree finders)

On/Off Button

Activates power to meter

Mode

Mode selection button

Lumisphere Retracting Ring

When retracted provides cosine corrected light readings for measuring individual light sources

Measurement Button

Activates meter

Average/Brightness Difference

A simultaneous reading of flash and ambient light is analysed. The readings are displayed in three different ways on the LCD:
1. Combined readings of flash and ambient
2. Percentage of flash in the total exposure
3. Simultaneous display of flash, ambient and combined readings on the analog display

Jog Wheel

Mode selection jog wheel

ISO 1 and ISO 2

Allows single light readings and displays the exposure settings in two different ISO film speeds such as negative film and Polaroid proofing film. The second ISO setting is also ideal for calculating exposure compensation such as filter factors

Memory Button

9 memory blanks are available in both Aperture Priority and Shutter Priority Modes, making contrast evaluation and averaging possible in both modes

PC Socket

Connects to PC

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About Sekonic
Sekonic UK. Part of Johnsons Photopia Limited