Nikon D3100
Encyclopedia
The Nikon D3100 is a 14.2 megapixel DX format DSLR Nikon F-mount
Nikon F-mount
The Nikon F-mount is a type of interchangeable lens mount developed by Nikon for its 35 mm SLR cameras. The F-mount was first introduced on the Nikon F camera in 1959, and features a three lug bayonet mount with a 44 mm throat and a flange to focal plane distance of 46.5 mm...

 camera announced by Nikon
Nikon
, also known as just Nikon, is a multinational corporation headquartered in Tokyo, Japan, specializing in optics and imaging. Its products include cameras, binoculars, microscopes, measurement instruments, and the steppers used in the photolithography steps of semiconductor fabrication, of which...

 on August 19, 2010. It replaces the D3000
Nikon D3000
The Nikon D3000 is a 10.2 megapixel DX format DSLR Nikon F-mount camera announced by Nikon on 30 July 2009. It replaces the D40 as Nikon's entry level DSLR. It features a 3.0-inch 230,000-dot resolution LCD monitor, CCD sensor with ISO 100–1600 and 3D tracking Multi-CAM1000 11-point AF system...

 as Nikon's entry level DSLR. It introduces Nikon's new EXPEED 2 image processor and is the first Nikon DSLR featuring full high definition video recording with full time autofocus and H.264 compression, instead of Motion JPEG compression. Use is assisted by two Guide Modes: Easy Operation and Advanced Operation tutorial.

Features

  • Nikon's 14.2-megapixel Nikon DX format
    Nikon DX format
    The Nikon DX format is an alternative name used by Nikon corporation for APS-C image sensor format being approximately 24×16 mm. Its dimensions are about 2/3 those of the 35mm film format . The format was created by Nikon for its digital SLR cameras, many of which are equipped with DX-sized...

     CMOS sensor.
  • Nikon's 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
    Liquid crystal display
    A liquid crystal display is a flat panel display, electronic visual display, or video display that uses the light modulating properties of liquid crystals . LCs do not emit light directly....

  • Continuous Drive up to 3 frames per second.
  • Live view
    Live preview
    Live preview is a feature that allows a digital camera's display screen to be used as a viewfinder. This provides a means of previewing framing and other exposure before taking the photograph. In most such cameras, the preview is generated by means of continuously and directly projecting the image...

     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
    Autofocus
    An autofocus optical system uses a sensor, a control system and a motor to focus fully automatic or on a manually selected point or area. An electronic rangefinder has a display instead of the motor; the adjustment of the optical system has to be done manually until indication...

     sensor module with 11 AF points.
  • ISO
    Film speed
    Film speed is the measure of a photographic film's sensitivity to light, determined by sensitometry and measured on various numerical scales, the most recent being the ISO system....

     sensitivity 100 to 3200 (6400 and 12800 with boost).
  • Nikon F-mount
    Nikon F-mount
    The Nikon F-mount is a type of interchangeable lens mount developed by Nikon for its 35 mm SLR cameras. The F-mount was first introduced on the Nikon F camera in 1959, and features a three lug bayonet mount with a 44 mm throat and a flange to focal plane distance of 46.5 mm...

     lenses.
  • i-TTL
    Through-the-lens metering
    Through-the-lens metering is a photographic term describing a feature of cameras capable of measuring light levels in a scene through their taking lenses, as opposed to a separate metering window...

     flash
    Flash (photography)
    A flash is a device used in photography producing a flash of artificial light at a color temperature of about 5500 K to help illuminate a scene. A major purpose of a flash is to illuminate a dark scene. Other uses are capturing quickly moving objects or changing the quality of light...

     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
    JPEG
    In computing, JPEG . The degree of compression can be adjusted, allowing a selectable tradeoff between storage size and image quality. JPEG typically achieves 10:1 compression with little perceptible loss in image quality....

    , NEF (Nikon's RAW
    RAW image format
    A camera raw image file contains minimally processed data from the image sensor of either a digital camera, image scanner, or motion picture film scanner. Raw files are so named because they are not yet processed and therefore are not ready to be printed or edited with a bitmap graphics editor...

    , 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
Autofocus
An autofocus optical system uses a sensor, a control system and a motor to focus fully automatic or on a manually selected point or area. An electronic rangefinder has a display instead of the motor; the adjustment of the optical system has to be done manually until indication...

 requires a lens with an integrated autofocus-motor. With any other CPU lenses the camera's electronic rangefinder
Autofocus
An autofocus optical system uses a sensor, a control system and a motor to focus fully automatic or on a manually selected point or area. An electronic rangefinder has a display instead of the motor; the adjustment of the optical system has to be done manually until indication...

 can be used to manually adjust focus.

Optional accessories

The Nikon D3100 has available accessories such as:
  • Nikon GP-1 GPS Unit for direct GPS geotagging
    GeoTagging
    Geotagging is the process of adding geographical identification metadata to various media such as a geotagged photograph or video, websites, SMS messages, QR Codes or RSS feeds and is a form of geospatial metadata...

    . Third party solutions partly with 3-axis compass
    Compass
    A compass is a navigational instrument that shows directions in a frame of reference that is stationary relative to the surface of the earth. The frame of reference defines the four cardinal directions – north, south, east, and west. Intermediate directions are also defined...

    , data-logger, bluetooth
    Bluetooth
    Bluetooth is a proprietary open wireless technology standard for exchanging data over short distances from fixed and mobile devices, creating personal area networks with high levels of security...

     and support for indoor use are available from Solmeta, Dawn, Easytag, Foolography, Gisteq and Phottix. See comparisons/reviews.
  • Battery grip
    Battery grip
    A battery grip is an accessory for an SLR/DSLR , which allows the camera to hold multiple batteries to extend the battery life of the camera, and adds a vertical grip with an extra shutter release , facilitating the shooting of portrait photography.It usually attaches to the camera body through the...

     third party solutions are available.
  • Nikon CF-DC1 Soft Case.
  • Third party solutions for WLAN transmitter are available.
  • Third party wireless
    Wireless
    Wireless telecommunications is the transfer of information between two or more points that are not physically connected. Distances can be short, such as a few meters for television remote control, or as far as thousands or even millions of kilometers for deep-space radio communications...

     (infrared
    Infrared
    Infrared light is electromagnetic radiation with a wavelength longer than that of visible light, measured from the nominal edge of visible red light at 0.74 micrometres , and extending conventionally to 300 µm...

    ) remote control
    Remote control
    A remote control is a component of an electronics device, most commonly a television set, used for operating the television device wirelessly from a short line-of-sight distance.The remote control is usually contracted to remote...

    s are available.
  • Various Nikon Speedlight
    Speedlight
    Speedlight is the brand name used by Nikon Corporation for their photographic flash units, used since the company's introduction of strobe flashes in the 1960s. Nikon's standalone Speedlights have the SB- prefix as part of their model designation...

     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.
  • Other accessories from Nikon and third parties, including protective cases and bags, eyepiece adapters and correction lenses, and underwater housings.

Reception

The D3100 has received many independent reviews and image comparisons at all ISO speeds
Film speed
Film speed is the measure of a photographic film's sensitivity to light, determined by sensitometry and measured on various numerical scales, the most recent being the ISO system....

.

External links

The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
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