Nikon SB-700, SB 700 user manual Terminology

About the SB-700 and This User’s Manual

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Preparation

Terminology

Default settings: function and mode settings at the time of purchase

Nikon Creative Lighting System (CLS): a lighting system that enables various flash photography functions with improved communication between Nikon Speedlights and cameras

Illumination patterns: control types of light falloff at edges; the SB-700 provides three illumination patterns, standard, center-weighted and even.

FX format/DX format: Nikon digital SLR camera image area types (FX format: 36 × 24, DX format: 24 × 16)

Guide number (GN): the amount of light generated by a flash unit; GN = flash- to-subject distance (m or ft.) × f-number of aperture (ISO 100)

Zoom head position: position of a Speedlight zoom head; the angle of coverage changes as the zoom head position changes.

Effective flash output distance: flash-to-subject distance with correctly adjusted flash output

Effective flash output distance range: range of effective flash output distance

Flash compensation: intentional flash output change to obtain the desired subject brightness

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