Nikon D3100 D-SLR Digital Camera Body

Single-lens reflex digital camera

Nikon F mount (with AF contacts)

Approximately 1.5x lens focal length (Nikon DX format)

23.1 x 15.4 mm CMOS sensor

14.2 million pixels

14.8 million pixels

Image sensor cleaning, Image Dust Off reference data (optional Capture NX 2 software required)

4,608 x 3,072 (L); 3,456 × 2,304 (M); 2,304 × 1,536 (S)

NEF (compressed RAW); JPEG: JPEG-Baseline compliant with fine (approx. 1 : 4), normal (approx. 1 : 8), or basic (approx. 1 : 16) compression; Simultaneous recording of compressed RAW and JPEG fine image possible

SD (Secure Digital), SDHC, SDXC, and Eye-Fi memory cards

Can be selected from Standard, Neutral, Vivid, Monochrome, Landscape, Portrait; selected Picture Control can be modified

Eye-level pentamirror single-lens reflex viewfinder

Approx. 95% horizontal and 95% vertical

Approximately 0.8× (50mm f/1.4 lens at infinity, -1.0 m-1)

18 mm (-1.0 m-1)

-1.7 to +0.5 m-1

Type B BriteView Clear Matte Mark VII screen

Quick return type

Instant return, electronically controlled

AF-S or AF-I NIKKOR: All functions supported. Type G or D AF NIKKOR without built-in autofocus motor: All functions except autofocus supported. Other AF NIKKOR without built-in autofocus motor: All functions supported except autofocus and 3D color matrix metering II. IX NIKKOR and F3AF: Not supported. Type D PC lenses: All functions supported except autofocus and some shooting modes. AI-P NIKKOR: All functions supported except autofocus and 3D color matrix metering II. Non-CPU: Autofocus not supported. Can be used in exposure mode M, but exposure meter does not function. Electronic rangefinder can be used if lens has a maximum aperture of f/5.6 or faster.

Electronically controlled, vertical-travel focal-plane shutter

1/4000 to 30 s in steps of 1/3 EV, bulb

X=1/200 s; synchronizes with shutter at 1/200 s or slower

Single frame, continuous, self-timer, quiet shutter release

Up to 3 fps (manual focus, mode M or S, shutter speed 1/250 s or faster, and other settings at default values)

2 s, 10 s

TTL exposure metering using 420-pixel RGB sensor

Matrix: 3D color matrix metering II (type G and D lenses); color matrix metering II (other CPU lenses); Center-weighted: Weight of 75% given to 8-mm circle in center of frame; Spot: Meters 3.5 mm circle (about 2.5 % of frame) centered on selected focus point

Matrix or center-weighted metering: 0 to 20 EV; Spot metering: 2 to 20 EV

CPU

Auto modes (auto, auto (flash off); scene modes (portrait, landscape, child, sports, close up, night portrait); programmed auto with flexible program (P); shutter-priority auto (S); aperture-priority auto (A); manual (M)

-5 to +5 EV in increments of 1/3 EV

Luminosity locked at detected value with AE-L/AF-L button

ISO 100 to 3200 in steps of 1 EV; can also be set to approx. 2 EV above ISO 3200 (ISO 12800 equivalent); auto ISO sensitivity control available

Can be selected from on or off

Nikon Multi-CAM 1000 autofocus sensor module with TTL phase detection, 11 focus points (including one cross-type sensor), and AF-assist illuminator (range approx. 0.5–3 m/1 ft. 8 in.–9 ft. 10 in.)

-1 to +19 EV (ISO 100 at 20°C/68°F)

Autofocus (AF): Single-servo AF (AF-S); continuous-servo AF (AF-C); auto AF-S/AF-C selection (AF-A); predictive focus tracking activated automatically according to subject status. Manual focus (MF): Electronic rangefinder can be used

Single-point AF, dynamic-area AF, auto-area AF, 3D-tracking (11 points)

Focus can be locked by pressing shutter-release button halfway (single-servo AF) or by pressing AE-L/AF-L button

Guide number of approximately 12/39, 13/43 with manual flash (m/ft, ISO 100, 20°C/68°F); Auto, portrait, child, close up, night portrait: Auto flash with auto pop-up; P, S, A, M: Manual pop-up with button release

TTL: i-TTL balanced fill-flash and standard i-TTL flash for digital SLR using 420-pixel RGB sensor. i-TTL balanced fill-flash is available with built-in flash and SB-900, SB-800, SB-600, or SB-400 when matrix or center-weighted metering is selected. Standard i-TTL is available with built-in flash and SB-900, SB-800, SB-600, or SB-400 when spot metering is selected (Flash mode can be set using Speedlight controls with SB-900, SB-800, and SB-600). Auto aperture: Available with SB-900/SB-800 and CPU lens. Non-TTL auto: Supported flash units include SB-900, SB-800, SB-80DX, SB-28DX, SB-28, SB-27, and SB-22S. Distance-priority manual: Available with SB-900 and SB-800

Sufficient to illuminate the angle of view of an 18 mm lens. Picture edges may be slightly dark depending upon conditions, such as the lens used and the aperture setting.

Auto, portrait, child, close up: Auto, auto with red-eye reduction, off available with built-in flash; Fill-flash and red-eye reduction available with optional flash units. Night portrait: Auto slow sync, auto slow sync with red-eye reduction, off available with built-in flash; Slow sync and slow sync with red-eye reduction available with optional flash units. Landscape, sports: Fill-flash and red-eye reduction available with optional flash units. P, A: Fill-flash, rear-curtain with slow sync, slow sync, slow sync with red-eye reduction, red-eye reduction. S, M: Fill-flash, rear-curtain sync, red-eye reduction

-3 to +1 EV in increments of 1/3 EV

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

ISO 518 hot-shoe with sync and data contacts and safety lock

AS-15 sync terminal adapter (available separately)

Advanced Wireless Lighting supported with SB-900, SB-800, or SU-800 as commander. Flash color information communication supported with built-in flash and all CLS-compatible flash units

Auto (TTL white balance with main image sensor and 420-pixel RGB sensor); incandescent, fluorescent (7 types), direct sunlight, flash, cloudy, shade, preset manual, all except preset manual with fine tuning.

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 auto and auto flash off modes

File format: MOV

Frame size/rate: 1920 × 1080, 24 fps; 1280 × 720, 30 fps

Video compression: H.264/MPEG-4 Advanced Video Coding

Audio recording format: Linear PCM

Audio (Sound): Monaural microphone built in. Can be set to on or off.

Metering: TTL exposure metering using main image sensor

3-in. (7.5cm)., approx. 230k-dot TFT LCD with brightness adjustment

Full-frame playback; Movie playback; Thumbnail (4, 9, or 72 images or calendar) playback; Slide show; Histogram display; Highlights display; Auto image rotation; Image comment (up to 36 characters)

D-Lighting, red-eye correction, trim, monochrome, filter effects, color balance, small picture, image overlay, NEF (RAW) processing, quick retouch, straighten, distortion control, fisheye, color outline, perspective control, miniature effect, edit movie

Hi-Speed USB

Type C HDMI connector