Nikon D3100 D3100 User's Manual - Page 214

Flash Flash compensation -3 - +1 EV in increments of 1/3 EV Flash-ready indicator Lights when built-in flash or optional flash unit such as SB-900, SB-800, SB-600, SB-400, SB-80DX, SB-28DX, or SB-50DX is fully charged; blinks for 3 s after flash is fired at full output Accessory shoe ISO 518 hot-shoe with sync and data contacts and safety lock Nikon Creative Lighting Advanced Wireless Lighting supported with SB-900, SB-800, or SU-800 as System (CLS) commander; Flash Color Information Communication supported with built-in flash and all CLS-compatible flash units Sync terminal AS-15 sync terminal adapter (available separately) White balance White balance Auto, incandescent, fluorescent (7 types), direct sunlight, flash, cloudy, shade, preset manual, all except preset manual with fine tuning. Live view Lens servo AF-area mode Autofocus Automatic scene selection • Autofocus (AF): Single-servo AF (AF-S); full-time servo AF (AF-F) • Manual focus (MF) Face-priority AF, wide-area AF, normal-area AF, subject-tracking AF Contrast-detect AF anywhere in frame (camera selects focus point automatically when face-priority AF or subject-tracking AF is selected) Available in i and j modes Movie Metering TTL exposure metering using main image sensor Metering method Matrix Frame size (pixels) and • 1,920 × 1,080 (24p); 24 fps • 1,280 × 720 (30p); 30 fps frame rate (23.976 fps) (29.97 fps) • 1,280 × 720 (25p); 25 fps • 1,280 × 720 (24p); 24 fps • 640 × 424 (24p); 24 fps (23.976 fps) (23.976 fps) File format MOV Video compression H.264/MPEG-4 Advanced Video Coding Audio recording format Linear PCM Audio recording device Built-in monaural microphone Monitor Monitor 7.5-cm/3-in., approx. 230k-dot TFT LCD with brightness adjustment Playback Playback Full-frame and thumbnail (4, 9, or 72 images or calendar) playback with playback zoom, movie playback, slide show, histogram display, highlights, auto image rotation, and image comment (up to 36 characters) n 198