|Type||Digital single-lens reflex|
|Lens||Interchangeable, Nikon F-mount|
|Sensor||23.1 mm × 15.4 mm Nikon DX format RGB CMOS sensor, 1.5 × FOV crop, 4.94µm pixel size|
|Maximum resolution||4,608 × 3,072 (14.2 effective megapixels)|
|Film speed||100–3200 in 1/3 EV steps, up to 12800 as boost|
|Recording medium||Secure Digital, SDHC and SDXC compatible|
|Focus modes||AF-A (Auto-servo AF); AF-S (Single-servo AF); AF-C (Continuous-servo AF); MF (Manual focus).|
|Focus areas||11-area AF system, Multi-CAM 1000 AF Sensor Module|
|Exposure modes||Auto modes (auto, auto [flash off]), Guide Mode, Advanced Scene Modes (Portrait, Landscape, Sports, Close-up, Night Portrait), programmed auto with flexible program (P), shutter-priority auto (S), aperture-priority auto (A), manual (M), (Q) quiet mode.|
|Exposure metering||TTL 3D Color Matrix Metering II metering with a 420-pixel RGB sensor|
|Metering modes||3D Color Matrix Metering II, Center-weighted and Spot|
|Flash||Built in Pop-up, Guide number 13m at ISO 100, Standard ISO hotshoe, Compatible with the Nikon Creative Lighting System|
|Flash bracketing||2 or 3 frames in steps of 1/3, 1/2, 2/3, 1 or 2 EV|
|Shutter||Electronically-controlled vertical-travel focal-plane shutter|
|Shutter speed range||30 s to 1/4000 s in 1/2 or 1/3 stops and Bulb, 1/200 s X-sync|
|Continuous shooting||3 frame/s|
|Viewfinder||Optical 0.80x, 95% Pentamirror|
|White balance||Auto, Incandescent, Fluorescent, Sunlight, Flash, Cloudy, Shade, Preset|
|LCD screen||3.0-inch 230,000 pixel TFT-LCD|
|Battery||Nikon EN-EL14 rechargeable Lithium-Ion battery|
|Weight||Approx. 455 g (1.003 lb) without battery, memory card or body cap|
The Nikon D3100 is a 14.2-megapixel DX format DSLR Nikon F-mount camera announced by Nikon on August 19, 2010. It replaced the D3000 as Nikon's entry level DSLR. It introduced Nikon's new EXPEED 2 image processor and was the first Nikon DSLR featuring full high-definition video recording with full-time autofocus and H.264 compression, instead of Motion JPEG compression. It was also the first Nikon DSLR to provide high-definition video recording at more than one frame rate.
- Nikon's 14.2-megapixel Nikon DX format CMOS sensor with 12 Bit Resolution.
- Nikon EXPEED 2 image processor.
- Active D-Lighting.
- Automatic chromatic aberration correction.
- Sensor cleaning and airflow control system.
- 3.0-inch 230,000-dot resolution fixed TFT LCD
- Continuous Drive up to 3 frames per second.
- Live view mode. Live view AF modes: Face priority, Wide area, Normal area, Subject tracking
- Full High Definition video recording (1080p for 10 minutes at 24 frames per second in H.264 codec), additionally 720p30/25/24 and 480p24
- Full-time autofocus in movie mode.
- 3D Color Matrix Metering II with Scene Recognition System.
- 3D Tracking Multi-CAM 1000 autofocus sensor module with 11 AF points.
- ISO sensitivity 100 to 3200 (6400 and 12800 with boost).
- Nikon F-mount lenses.
- i-TTL flash exposure system without built-in, but support for external wireless flash commander.
- Extended In-camera retouching: D-Lighting, Red-eye reduction, Trimming, 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
- File formats: JPEG, NEF (Nikon's raw, 12-bit compressed)
- Compatibility with SDXC memory cards
Like Nikon's other consumer-level DSLRs, the D3100 has no in-body autofocus motor, and fully automatic autofocus requires one of the currently 162 lenses with an integrated autofocus-motor. With any other lens, the camera's electronic rangefinder can be used to manually adjust focus.
The Nikon D3100 has available accessories such as:
- Nikon GP-1 GPS Unit for direct GPS geotagging. Third party solutions partly with 3-axis compass, data-logger, bluetooth and support for indoor use are available from Solmeta, Dawn, Easytag, Foolography, Gisteq and Phottix. See comparisons/reviews.
- Battery grip third party solutions are available.
- Nikon CF-DC1 Soft Case.
- Third party solutions for WLAN transmitter are available.
- Various Nikon Speedlight or third party flash units including devices with Nikon Creative Lighting System wireless flash commander or support for SU-800 Wireless Speedlight Commander.
- Third party radio (wireless) flash control triggers are partly supporting i-TTL, but do not support the Nikon Creative Lighting System (CLS). See reviews.
- Common Optional Lens: AF-S DX NIKKOR 18-55mm f/3.5-5.6G VR, AF-S DX NIKKOR 18-105mm f/3.5-5.6G ED VR, AF NIKKOR 50mm f/1.8D. Note: Lenses without an internal autofocus motor can only use manual focus on the Nikon D3100.
- Other accessories from Nikon and third parties, include protective cases and bags, eyepiece adapters and correction lenses, and underwater housings.
The D3100 is the only known Nikon DSLR with an image sensor interface integrating analog-to-digital converters not made by Nikon: The result is a dynamic range only at the level of competitors like the (higher priced) Canon EOS 600D; lower than other current Nikon DSLRs.
- "Nikon D3100". Digital SLR Cameras products line-up. Nikon Corporation.
- Full Frame DSLR Cameras Part I – Nikon vs Sony Archived 2019-05-21 at the Wayback Machine Chipworks
- Winans, Moose. "Nikon D3100 Focus Modes and Focus Points", CameraTips.com. Retrieved on August 16, 2013.
- Laing, Gordon (November 2010). "Nikon D3100 Movie Mode". Nikon D3100 Review. CameraLabs.com. Retrieved February 6, 2012.
Previous Nikon DSLRs offered a best quality movie mode of 720p at 24fps, but now the D3100 offers the same resolution at the choice of 24, 25 or 30fps, while crucially adding a new Full HD 1080p mode at 24fps.
- "Nikon updates entry-level DSLR with 24MP D3200 and optional WiFi". Digital Photography Review. April 2012. Retrieved June 15, 2012.
- "Specifications – Nikon D3100". Nikon Corporation. Retrieved 2010-08-19.
- "Nikon D3000 Lens Compatibility". Nikon Corporation. Archived from the original on 2009-08-02. Retrieved 2009-10-26.
- Nikon D60 electronic rangefinder. Digital Photography Review. Retrieved on 7 September 2012.
- John White's AI conversions for Nikon lenses Aiconversions
- "D3100 accessories". Nikon USA. Retrieved 2011-08-08.
- Solmeta Geotaggers Solmeta
- Dawn di-GPS Products Dawn
- EasyTag GPS and Wireless Bluetooth Modules Archived 2011-08-28 at the Wayback Machine Easytag
- Foolography Unleashed Bluetooth Geotagging Foolography
- Gisteq PhotoTrackr Plus for Nikon DSLR (Bluetooth) Archived 2011-08-25 at the Wayback Machine Gisteq
- Phottix Geo One GPS Archived 2012-06-26 at the Wayback Machine Phottix
- Nikon DSLR GPS Smack Down Results Archived 2011-08-09 at the Wayback Machine Terrywhite
- Review: Geotagging with Easytag GPS module (Nikon GP-1 compatible) Archived 2013-07-31 at the Wayback Machine Trick77
- Review: blueSLR Wireless Camera Control & GPS Geotagging Archived 2011-08-09 at the Wayback Machine Terrywhite
- Battery Packs Archived 2011-10-23 at the Wayback Machine Phottix
- Product search: Nikon D3100 Battery grip Google
- Eye-Fi Wi-Fi network: how it works Archived 2012-07-22 at the Wayback Machine Eye-fi
- Flash Units Compatible with Nikon's CLS including Wireless Master Dpanswers
- Radio Triggers for Flash and Camera Dpanswers
- Knight For Nikon Flashgun I-TTL Trigger Archived 2013-01-15 at the Wayback Machine Pixel
- Radio Transmitters, Receivers and Accessories Pocketwizard
- The Nikon Creative Lighting System: Wireless, Remote, Through-the-Lens Metered (iTTL) Flash! Imaging Resource
- Guide to Nikon TTL Flashes photo.net
- Pixel Knight TR-331 and TR-332 TTL Radio Triggers Dpanswers
- Pixel Knight TR-331 Review Part III Archived 2014-04-18 at the Wayback Machine Inside the Viewfinder
- Digitalcameratracker: Nikon D3100 reviews, ratings, sample photos Archived 2013-01-21 at archive.today Digitalcameratracker
- "Nikon D3100". Digital Camera Views.
- "Nikon Hacker: Camera Matrix". Archived from the original on 2013-07-24. Retrieved 2012-10-16.
- Dxomark: Nikon D3200 and others: Compare cameras side by side
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