| Features |
| CMOS image sensor | | Nikon equipped D3100 with a newly developed CMOS sensor for outstanding subject detail and smooth color gradation. Whether shooting photos or full HD movies, the sensor is crucial to image quality.
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| 14.2 effective megapixel | | The high pixel count of D3100's sensor produces photos of striking clarity, revealing all the nuance of the original scene with minimum noise - ideal for intricately detailed textures and grain-free background defocus.
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| EXPEED 2- image processing engine | | EXPEED 2 maximizes CMOS sensor performance for clear, lifelike images that exhibit vivid colors, reduced noise and smooth tonal gradations for outstanding photos and movies.
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| ISO sensitivity 100-3200 | | A maximum ISO of 3200 (standard range) lets you shoot at fast shutter speeds, reducing camera-shake blur in dimly lit scenes. Twilight and indoor shots come alive with a refreshingly natural look without the need for a tripod or flash.
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| Active D-Lighting | | Shooting in bright sunlight often produces pictures with extreme contrast between light and dark areas. Active D-Lighting effectively combats this by preserving important details in shadows and highlights. The results are optimally exposed photos that better reflect the scene as you saw it.
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| Picture Control | | Expand creative expression with Picture Control. Six settings - Standard, Neutral, Vivid, Monochrome, Portrait and Landscape - let you determine the look of photos and full HD movies before you shoot.
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| Guide Mode | | An enchanting portrait against a softly defocused background, or a radiant couple surrounded by sparkling lights. Taking photos like these is easy with D3100's Guide Mode - in-camera guidance that shows you step-by-step how to change camera settings.
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| Scene Modes | | Once you have determined your subject, just set the mode dial to match the scene in order to obtain beautiful photos. The mode dial has six scene modes.
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| Scene Auto Selector | | D3100 automatically selects the Scene Mode that matches the shooting situation and subject. During Live View shooting with the Mode dial on Auto or Auto (flash off), Scene Auto Selector automatically activates Portrait, Landscape, Close up or Night portrait modes depending on the scene.
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| Help function | | When viewing menu items and you don't understand a function, just press the help button. A description of the currently selected item will be displayed while the button is pressed. Release the button and the previous screen appears.
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| Info display format | | D3100 gives you a choice of two formats - classic and graphic - for the info display. Graphic format includes both a numerical and descriptive illustration of shutter speed and aperture settings, making these concepts easier to grasp.
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| Live View | | Live View gives you an intuitive, familiar way to photograph playful pets or children on the move. Just flip a switch and you're ready to go. When Live View is activated and new full-time-servo AF (AF-F) is selected, the camera keeps subjects in focus without having to press the shutter-release button - convenient for photos and movies.
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| 11-point AF system | | D3100's precision high-speed autofocus responds immediately to changes in scene or composition, maintaining tack-sharp focus to capture fleeting expressions and fast-moving sports.
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| Built-in pop-up flash | | When the light gets low or you find yourself shooting in tricky backlit lighting, use the built-in pop-up flash to brighten the scene. It activates automatically when needed depending on exposure mode, or can be enabled manually.
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| High-performance NIKKOR lenses | | To take the joy of photo-imaging experience even further, NIKKOR lenses combine Nikon's passion with its world-leading imaging innovations.
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| Specifications |
| Type | | Single-lens reflex digital camera
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| Lens mount | | Nikon F mount (with AF contacts)
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| Effective angle of view | | Approx. 1.5 x lens focal length (Nikon DX format)
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| Effective pixels | | 14.2 million
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| Focus |
| Autofocus | | 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 to 3m/1 ft. 8 in. to 9 ft. 10 in.)
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| Detection range | | -1 to +19 EV (ISO 100, 20°C/68°F)
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| Lens servo | | • 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
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| Focus point | | Can be selected from 11 focus points
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| AF-area mode | | Single-point AF, dynamic-area AF, auto-area AF, 3D-tracking (11 points)
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| Focus lock | | Focus can be locked by pressing shutter-release button halfway (single-servo AF) or by pressing AE-L/AF-L button
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| LCD Monitor |
| LCD monitor | | 7.5-cm/3-in., approx. 230 k-dot TFT LCD with brightness adjustment
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| Lens |
| Compatible lenses | | • AF-S and AF-I: All functions supported.
• Type G or D AF NIKKOR without built-in autofocus motor: All functions except autofocus supported. IX NIKKOR lenses not supported.
• Other AF NIKKOR: All functions supported except autofocus and 3D color matrix metering II. Lenses for F3AF not supported.
• Type D PC NIKKOR: 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.
Note: Electronic rangefinder can be used if lens has a maximum aperture of f/5.6 or faster.
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| Flash |
| Built-in flash | | Auto, Portrait, Child, Close up, Night portrait: Auto flash with auto pop-up
P, S, A, M: Manual pop-up with button release
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| Guide number | | Approx. 12/39, 13/43 with manual flash (m/ft, ISO 100, 20°C/68°F)
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| Flash control | | • TTL: i-TTL balanced fill-flash and standard i-TTL flash for digital SLR using 420-pixel RGB sensor are available with built-in flash and SB-900, SB-800, SB-600, or SB-400 (i-TTL balanced fill-flash is available when matrixor center-weighted metering is selected)
• 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
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| Flash mode | | Auto, auto with red-eye reduction, fill-flash, auto slow sync, auto slow sync with red-eye correction, and rear curtain with slow sync
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| Flash compensation | | -3 to +1 EV in increments of 1/3 EV
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| Flash-ready indicator | | Lights when built-in flash or optional flash unit such as SB-900, SB-800, SB-600, or SB-400 is fully charged; blinks for 3 s after flash is fired at full output
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| Accessory shoe | | ISO 518 hot-shoe with sync and data contacts and safety lock
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| Nikon Creative Lighting
System (CLS) | | 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
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| Sync terminal | | Sync Terminal Adapter AS-15 (available separately)
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| Image Sensor |
| Image sensor | | 23.1 x 15.4 mm CMOS sensor
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| Total pixels | | 14.8 million
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| Dust-reduction system | | Image sensor cleaning, Airflow Control System, Image Dust Off reference data (optional Capture NX 2 software required)
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| White Balance |
| White balance | | Auto, incandescent, fluorescent (7 types), direct sunlight, flash, cloudy, shade, preset manual, all except preset manual with fine tuning.
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| View Finder |
| Viewfinder | | Eye-level pentamirror single-lens reflex viewfinder
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| Frame coverage | | Approx. 95% horizontal and 95% vertical
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| Magnification | | Approx. 0.8 x (50 mm f/1.4 lens at infinity, -1.0 m-1)
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| Eyepoint | | 18 mm (-1.0 m-1)
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| Diopter adjustment | | -1.7 to +0.5 m-1
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| Focusing screen | | Type B BriteView Clear Matte Mark VII screen
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| Reflex mirror | | Quick return
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| Lens aperture | | Instant return, electronically controlled
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| Storage |
| Image size (pixels) | | 4,608 x 3,072 [L]
3,456 x 2,304 [M]
2,304 x 1,536 [S]
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| File format | | • NEF (RAW)
• JPEG: 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
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| Picture Control System | | Standard, Neutral, Vivid, Monochrome, Portrait, Landscape; selected Picture Control can be modified
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| Media | | SD (Secure Digital), SDHC and SDXC memory cards
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| File system | | DCF (Design Rule for Camera File System) 2.0, DPOF (Digital Print Order Format), Exif 2.21 (Exchangeable Image File Format for Digital Still Cameras), PictBridge
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| Interface |
| USB | | Hi-Speed USB
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| Video output | | NTSC, PAL
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| HDMI output | | Type C mini-pin HDMI connector
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| Accessory terminal | | • Remote cord: MC-DC2 (available separately)
• GPS unit: GP-1 (available separately)
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| Shutter |
| Type | | Electronically controlled vertical-travel focal-plane shutter
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| Speed | | 1/4000 to 30 s in steps of 1/3 EV, Bulb
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| Flash sync speed | | X=1/200 s; synchronizes with shutter at 1/200 s or slower
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| Self-timer | | 2 s, 10 s
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| Exposure |
| Metering | | TTL exposure metering using 420-pixel RGB sensor
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| 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
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| Range | | • Matrix or center-weighted metering: 0 to 20 EV
• Spot metering: 2 to 20 EV
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| Exposure meter coupling | | CPU
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| Exposure modes | | 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)
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| Exposure compensation | | -5 to +5 EV in increments of 1/3 EV
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| Exposure lock | | Luminosity locked at detected value with AE-L/AF-L button
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| 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
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| Active D-Lighting | | On, Off
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| Power |
| Battery | | One Rechargeable Li-ion Battery EN-EL14
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| AC adapter | | AC adapter EH-5a; requires power connector EP-5A (available separately)
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| Live View Functions |
| Lens servo | | • Autofocus (AF): Single-servo AF (AF-S); full-time-servo AF (AF-F)
• Manual focus (MF)
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| AF-area mode | | Face-priority AF, wide-area AF, normal-area AF, subject-tracking AF
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| Autofocus | | Contrast-detect AF anywhere in frame (camera selects focus point automatically when face-priority AF or subject-tracking AF is selected)
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| Scene Auto Selector | | Available in auto and auto (flash off) modes
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| Accessories Supplied |
| Supplied accessories | | Rechargeable Li-ion Battery EN-EL14, Battery Charger MH-24, Eyepiece Cap DK-5, Rubber Eyecap DK-20,
Camera Strap AN-DC3, Accessory Shoe Cover BS-1, Body Cap BF-1B, ViewNX 2 CD-ROM, Ferrite Core (2 types)
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