The Nikon D3100 digital SLR camera speaks to the growing ranks of enthusiastic D-SLR users and aspiring photographers by providing an easy-to-use and affordable entrance to the world of Nikon D-SLR's. The 14.2-megapixel D3100 has powerful features, such as the enhanced Guide Mode that makes it easy to unleash creative potential and capture memories with still images and full HD video. Like having a personal photo tutor at your fingertips, this unique feature provides a simple graphical interface on the camera's LCD that guides users by suggesting and/or adjusting camera settings to achieve the desired end result images. The D3100 is also the world's first D-SLR to introduce full time auto focus (AF) in Live View and D-Movie mode to effortlessly achieve the critical focus needed when shooting Full HD 1080p video.

Features:

• 14.2 Megapixel DX-format CMOS Image Sensor Delivers beautiful photographs and prints well beyond 20 x 30 inches
• Includes 3x 18-55mm Zoom-NIKKOR VR Image Stabilization Lens With legendary NIKKOR optical quality and fast, accurate autofocus for vivid color, striking contrast and crisp detail and VR image stabilization to ensure the sharpest hand-held pictures and movies
• Full 1080p HD Cinematic Video with full-time autofocus and sound Lets you record cinematic-quality movies in full 1080p HD format (1920 x 1080 pixels)
• Compact and Lightweight Design Beautifully styled—Ready to go wherever life takes you
• Easy-To-Use—Featuring Nikon's Guide Mode With intuitive controls and on-board assistance helping you take better pictures every step of the way
• Split-second Shutter Response Eliminates the frustration of shutter delay, capturing moments that other cameras miss
• Fast 11-point AutoFocus System Delivers razor-sharp pictures
• ISO sensitivity 100-3200 expandable to ISO 12800 equivalent Delivers exceptional results, even in the most challenging low-light situations
• 3-in. monitor with one-touch Live View shooting and movie capture
• Scene Auto Selector Lets the D3100 decide the best mode to match the shooting situation when using Live View
• EXPEED 2 Nikon's new image processing engine assures breathtakingly rich image quality, managing color, contrast, exposure, noise and speed
• Scene Recognition System In Live View automatically optimizes exposure, autofocus, and white balance, allowing you to obtain beautiful photos without the hassle of making complicated camera adjustments yourself
• 6 Automatic Exposure Scene Modes Just set the Mode dial to Portrait, Landscape, Child, Sports, Close-up or Night Portrait for stunning results in otherwise challenging conditions
• Active D-Lighting Restores picture-enhancing detail in shadows and highlights
• Picture Control
• Automatic Image Sensor Cleaning Using an ultrasonic process and exclusive Airflow Control the D3100 combats the accumulation of dust in front of the image sensor, safeguarding image quality shot after shot.
• Built-in pop-up flash
• In-camera Image Editing allows creative freedom, without the need for a computer, offering easy editing functions.
• Built-in HDMI port lets you connect directly to your HDTV using an optional HDMI cable

Type: Single-lens reflex digital camera
Lens Mount:Nikon F bayonet mount
Picture Angle: Effective picture angle 1.5x (Approx.) conversion factor (Nikon DX format)
Effective Pixels: 14.2 million
Sensor Size: 23.1 x 15.4mm
Image Sensor Format:DX?
Image Sensor Type: CMOS
Total Pixels: 14.8million
Dust-reduction system

• Image sensor cleaning
• Airflow Control System
• Image Dust Off reference data (optional Capture NX 2 software required)

Image Area (pixels)

• DX-format
• (L) 4608 x 3072
• (M) 3456 x 2304
• (S) 2304 x 1536

File Format

• NEF (RAW)
• PEG: JPEG-Baseline compliant with fine (approx 1:4), normal (approx 1:8), or basic (approx 1:16) compression
• NEF (RAW) + JPEG: Single photograph recorded in both NEF (RAW) and JPEG formats

Picture Control

• Standard
• Neutral
• Vivid
• Monochrome
• Portrait
• Landscape
• Selected Picture Control can be modified

File System

• Compliant with DCF (Design Rule for Camera File System) 2.0
• DPOF (Digital Print Order Format)
• EXIF 2.21 (Exchangeable Image File Foramt for Digital Still Cameras
• PictBridge

Viewfinder: Eye-level pentamirror single-lens reflex viewfinder
Viewfinder Frame Coverage: 95% approx.
Viewfinder Magnification: 0.80x (50mm f/1.4 lens at infinity; -1.0m¯¹) Approx.
Viewfinder Eyepoint:18mm (-1.0m¯¹)
Viewfinder Diopter Adjustment: -1.7 to +0.5m¯¹
Focusing Screen: Type B BriteView Clear Matte Mark VII screen
Reflex Mirror: Quick-return type
Lens Aperture: 

Instant-return type

• electronically controlled

Compatible Lenses

• AI-P NIKKOR: All functions supported except autofocus and 3D Color Matrix Metering II
• AF-S, AF-I: All functions supported
• Non-CPU: Can be used in mode M, but exposure meter does not function; electronic range finder can be used if maximum aperture is f/5.6 or faster
• IX Nikkor lenses cannot be used
• Electronic Rangefinder usable with lens with maximum aperture of f/5.6 or faster
• Type G or D AF NIKKOR not equipped with an autofocus motor: All functions supported except autofocus
• AF-NIKKOR for F3AF not supported
• Other AF NIKKOR: All functions supported except autofocus and 3D color matrix metering II
• Type D PC NIKKOR: All functions supported except autofocus and some shooting modes.

Shutter type: Electronically controlled vertical-travel focal-plane?
Shutter Speed

• 1/4000 to 30 sec. in steps of 1/3 EV
• Bulb

Shutter Release Modes

• Single-frame [S] mode
• Continuous
• Self-timer mode
• Quiet Shutter Release

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

Self-timer

• 2 sec.
• 10 sec.Timer duration electronically controlled

Exposure Metering System: TTL exposure metering using 420-pixel RGB sensor

Metering Method

• 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

Metering Range

• 0 to 20 EV (Matrix or center-weighted metering at ISO 100 equivalent, f/1.4 lens, at 20°C/68°F)
• 2 to 20 EV (Spot metering at ISO 100 equivalent, f/1.4 lens at 20°C/68°F)

Exposure Modes

• Scene Modes
• Programmed Auto with flexible Program (P)
• Shutter-Priority Auto (S)
• Aperture-Priority Auto (A)
• Manual (M)

Scene Modes

• Portrait
• Landscape
• Child
• Sports
• Close-up
• Night Portrait

Exposure Compensation

• ±5 EV in increments of 1/3EV

Exposure Lock: Luminosity locked at detected value with AE-L/AF-L button
ISO Sensitivity

• ISO 100 to 3200 in steps of 1 EV
• Can also be set to approx. 1 EV above ISO 3200 (ISO 6400 equivalent) or to approx. 2 EV above ISO 3200 (ISO 12800 equivalent
• Auto ISO sensitivity control available

Expanded ISO Sensitivity Options

• 1 EV above ISO 3200 (ISO 6400 equivalent)
• 2 EV above ISO 3200 (ISO 12800 equivalent) Approx.
• Auto ISO sensitivity control available

Active D-Lighting: On/Off  
Auto-area AF Mode

• Single Area AF
• Dynamic-area
• Auto-area AF
• 3D-tracking (11 points)

Autofocus System: Nikon Multi-CAM 1000 autofocus sensor module with TTL phase detection
Detection Range: -1 to 19 EV (ISO 100, 68°F/20°C)
Lens Servo: Autofocus (AF): Single-servo AF (AF-S); continuous-servo AF (AF-C); auto AF-S/AF-C selection (AF-A); predictive focus trackinga ctivated automatically according to subject status
Focus Point: Can be selected from 11 focus points
Focus Lock:

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

Built-in Flash

• Yes
• Auto
• Portrait
• Child
• Close-up
• Night Portrait
• Auto flash with auto pop-up [P], [S], [A], [M]
• Manual pop-up with button release

Guide Number: 39/12, 43/13 with manual flash (ft/m, ISO 100, 68°F/20°C)Approx.
Flash Control

• TTL: i-TTL ballanced fill-flash and standard i-TTL flash for digital SLR using 420-pixel RGB sensor are available with built-in flash adn SB-900, SB-800, SB-600, or SB-400 (i-TTL balanced fill-flash available when matrix or center-weighted metering)
• Auto aperture: Available with SB-900/SB-800 and CPU lens
• Non-TTL auto: Supported flash units include BS-900, SB-800, SB-80DX, SB-28DX, SB-28, SB-27, and SB-22S
• Distance-priority manual: Available with SB-900 and SB-800

Flash Mode

• Auto
• Auto with red-eye reduction
• Fill-flash
• Auto slow sync
• Auto slow sync with red-eye correction
• Rear curtain with slow sync

Flash Compensation: -3 to +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 sec. after flash is fired at full output

Accessory Shoe: ISO 518 hot-shoe with sync and ata contacts and safety lock
Nikon Creative Lighting System (CLS): Advanced Wireless Lighting supported with SB-900, BS-800, SU-800 as commander; Flash Color Information Communications supported with built-in flash and all CLS-compatible flash units
Flash Sync Terminal: Sync Terminal ADapter AS-15 (available separately)
White Balance

• Auto
• Incandescent
• Fluorescent (7 types)
• Direct Sunlight
• Flash
• Cloudy
• Shade
• Preset Manual
• All except preset manual with fine tuning

Live View Shooting: Yes
Live View Lens servo

• Autofocus (AF): Single-servo AF (AF-S); full-time-servo AF (AF-F)
• Manual focus (MF)

Live View AF-area mode

• Face-priority AF
• Wide-area AF
• Normal-area AF
• Subject-tracking AF

Live View Autofocus: Contrast-detect AF anywhere in frame (camera selects focus point automatically when face-priority AF or subejct-tracking AF is selected
Live View Scene Auto Selector

• Auto mode
• Auto (flash off) mode

Movie Metering: TTL exposure metering using main image sensor
Storage Media: SD/SDHC/SDXC memory cards
Movie Metering method: Matrix
Movie Frame size (pixels) and frame rate

• 1920 x 1080 (24p): 24 fps (23.976 fps)
• 1280 x 720 (30p): 30 fps (29.97 fps)
• 1280 x 720 (25p): 25 fps
• 1280 x 720 (24p): 24 fps (23.976 fps)
• 640 x 424 (24p): 24 fps (23.976 fps)

Movie Maximum recording time: 10 min.
Movie File Format: MOV
Movie Audio recording format: Linear PCM
Movie Audio recording device: Built-in monaural microphone
Monitor Size: 3 in. diagonal
Monitor Resolution: 230,000 Dots
Monitor Type: TFT-LCD with bridghtenss adjustment
Playback Functions

• Full frame
• Calendar
• Thumbnail (4, 9 or 72 images)
• Zoom
• Movie Playback
• Slideshow
• Histogram display
• Highlights
• Auto image rotation
• Image Comment (up to 36 characters)
• Highlight point display

Interface

• Hi-speed USB
• Video output: NTSC, PAL
• HDMI output: Type C mini-pin HDMI connector
• Accessory terminal: Remote cord: MC-DC2 (available separately); GPS unit: GP-1 (available separately)

GPS: GP-1 GPS unit (Sold Separately)
Battery / Batteries: EN-EL14 Rechargeable Li-ion Battery
AC Adapter

• EH-5a AC Adapter
• Power Connector EP-5a available separately

Dimensions (W x H x D):4.9 x 3.8 x 2.9 in
Approx. Weight: 16 oz. (455g) - camera body only
Operating Environment

• 32 to 104°F (0 to 40°C)
• Less than 85% (no condensation)