Nikon D3100 Key Features
14.2 megapixel DX-format CMOS sensor
3.0" LCD monitor (230,000 dots)
Image sensor cleaning (sensor shake)
11 AF points (with 3D tracking)
IS0 100-3200 range (12,800 expanded)
HD movies (1080p, 720p or WVGA)
Nikon D3100 vs D3000: Key Differences
The D3100 substantially refreshes the D3000, taking a rather outdated-looking specification and turning it into one of the most competitive in its sector.
Higher resolution sensor (14.2MP vs. 10MP)
Ability to shoot Raw + Fine JPEG
Socket for connecting Nikon GP1 GPS unit
Optional wired remote via GPS socket
No wireless remote option
Live view
1080p HD movies
HDMI output
Wider ISO range
Full-time AF mode (AF-F in live view)
Revised focus screen (different AF point illumination)
