Nikon D3S User Manual page 438

Focus
Autofocus
Detection range
Lens servo
Focus point
AF-area mode
Focus lock
Flash
Flash control
Flash mode
Flash-ready indicator
Accessory shoe
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412
Nikon Multi-CAM 3500FX autofocus sensor module
with TTL phase detection, fine-tuning, and 51 focus
points (including 15 cross-type sensors)
–1 – +19 EV (ISO 100, 20 °C/68 °F)
• Autofocus (AF): Single-servo AF (S); continuous-servo AF
(C); predictive focus tracking automatically activated
according to subject status
• Manual (MF): Electronic range finding supported
Can be selected from 51 or 11 focus points
Single-point AF, dynamic-area AF, auto-area AF
Focus can be locked by pressing shutter-release button
halfway (single-servo AF) or by pressing AE-L/AF-L
button
• TTL: i-TTL balanced fill-flash and standard i-TTL flash
for digital SLR using 1,005-pixel RGB sensor are
available with SB-900, SB-800, SB-600, or SB-400
• Auto aperture: Available with SB-900 or SB-800 and CPU
lens
• Non-TTL auto: Supported flash units include SB-900,
SB-800, SB-28, SB-27, and SB-22S
• Distance-priority manual: Available with SB-900 and SB-800
Front curtain sync, slow sync, rear-curtain sync, red-eye
reduction, red-eye reduction with slow sync
Lights when optional flash unit such as SB-900, SB-800,
SB-600, SB-400, SB-80DX, SB-28DX, or SB-50DX is fully
charged; blinks after flash is fired at full output
ISO 518 hot-shoe with sync and data contacts and
safety lock