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Preparation
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–6
About the SB-910 and This User’s Manual
Terminology
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Default settings
Function and mode settings at the time of purchase
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Nikon Creative Lighting System ( CLS)
A lighting system that enables various
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ash photography functions with improved
communication between Nikon Speedlights and cameras
Illumination patterns
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Control types of light falloff at edges; the SB-910 provides three illumination
patterns, standard, even and center-weighted.
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FX format/ DX format
Nikon digital SLR camera image area types (FX format: 36 × 24, DX format:
24 × 16)
Guide number (GN)
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The amount of light generated by a
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ash unit; GN =
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ash-to-subject distance
(m or ft) × aperture f-number (ISO 100)
Zoom head position
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Position of a Speedlight zoom head; the angle of coverage changes as the zoom
head position changes.
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Effective
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ash output distance
Flash-to-subject distance with correctly adjusted
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ash output
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Effective
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ash output distance range
Range of effective
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ash output distance
Flash compensation
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Intentional
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ash output change to obtain the desired subject brightness
Содержание SB-910
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