Description

Key features and specifications of the Nikon D3100:

1. Image Sensor:
   • 14.2-megapixel DX-format CMOS sensor.
2. ISO Range:
   • ISO 100-3200 (expandable to 12,800), providing decent low-light performance for an entry-level camera.
3. Image Processor:
   • Expeed 2 image processing engine.
4. Autofocus System:
   • 11-point autofocus system with 3D tracking.
5. Viewfinder:
   • Optical pentamirror viewfinder with approximately 95% frame coverage.
6. LCD Screen:
   • 3.0-inch, 230,000-dot LCD screen.
7. Video Recording:
   • Full HD (1080p) video recording at 24fps with autofocus.
8. Burst Shooting:
   • 3 frames per second continuous shooting.
9. Construction:
   • Compact and lightweight design suitable for beginners.
10. Wireless Connectivity:
    • The D3100 does not have built-in wireless connectivity.
11. Memory Card:
    • Single SD/SDHC/SDXC memory card slot.
12. Battery Life:
    • Approximately 550 shots per charge (CIPA rating).
13. Guide Mode:
    • Similar to the D3000, the D3100 features a Guide Mode to assist beginners with different shooting scenarios.

The D3100 was well-received as an entry-level DSLR, offering an easy-to-use interface and good image quality for beginners. Its ability to record Full HD video was a notable feature at its time, making it a versatile option for users interested in both photography and videography.