Nikon Corporation is pleased to announce the release of the Nikon D3100, an entry level Nikon DX-format digital-SLR camera. The camera is equipped with a new CMOS image sensor developed by Nikon and a new image-processing engine that enable capture of high-definition images exhibiting superior image quality, and a Guide mode that allows users to capture images just as they intended.
“An entry level digital-SLR camera with a new CMOS image sensor, image-processing engine and helpful Guide mode that makes capturing beautiful images easy,” as they describe the new D3100.

Nikon D3100 digital-SLR camera primary specifications
| Type | Single-lens reflex digital camera |
|---|---|
| Lens mount | Nikon F mount (with AF contacts) |
| Effective pixels | 14.2 million |
| Image sensor | 23.1 x 15.4 mm CMOS sensor |
| Image size (pixels) | 4,608 x 3,072 [L] 3,456 x 2,304 [M] 2,304 x 1,536 [S] |
| File format | 1) NEF(RAW), 2)JPEG, 3)NEF(RAW)+JPEG |
| Media | SD (Secure Digital) memory cards *1, SDHC- and SDXC-compliant |
| Frame advance rate | Up to 3 fps *2 |
| 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 |
| Movie | Frame size (pixels) and frame rate: 1,920 x 1,080; 24 p - 1,280 x 720; 30 p - 1,280 x 720; 25 p - 1,280 x 720; 24 p - 640 x 424; 24 p Maximum Recording Time:10 min. File format/Video compression: MOV, H.264/MPEG-4 Advanced Video Cording Audio recording device; Supported:monaural recording with built-in microphone. |
| LCD monitor | 3-in., approx. 230 k-dot TFT LCD with brightness adjustment |
| Power source | Battery; One rechargeable Li-ion EN-EL14 battery AC adapter(optional);EH-5a AC adapter; requires EP-5 power connector |
| Dimensions (approx.) (W x H x D) |
124 X 96 X 74.5mm |
| Weight (approx.) | 455g without battery, memory card, or body cap, 505g;with battery and memory card but without body cap |
| Major supplied accessories | EN-EL14 rechargeable Li-ion battery, MH-24 battery charger, AN-DC3 camera strap, ViewNX 2 CD-ROM, Ferrite Core (2 types) |

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