Camera Specifications Resolution: 14.2 megapixels. • Sensor: DX / APS-C CMOS (23.1 × 15.4 mm). • Maximum image resolution: 4608 × 3072 pixels. • Image processor: EXPEED 2. • Video: Full HD ‏1080p, up to 24 fps. • ISO sensitivity: 100 to 3200, expandable up to ISO 12800. • Autofocus: 11 AF points. • Continuous shooting: up to 3 frames per second. • Screen: 3 inches. • Lenses: interchangeable, Nikon F Mount base. • Memory: SD / SDHC / SDXC. • Files: JPEG and RAW ‏(NEF). • Flash: built-in internal flash. • Battery: Nikon EN-EL14. • Weight: approximately 455 grams without battery and memory card. Comes with two lenses, the kit lens and an additional one I purchased. The second lens specifications: The lens shown in the picture is Nikon AF Zoom-Nikkor 70-300mm f/4-5.6G.  Key specifications: • Focal length: 70–300mm, meaning strong zoom and suitable for distant subjects.  • Aperture: f/4 at 70mm up to f/5.6 at 300mm.  • Zoom: 4.3× optical zoom.  • Mount: Nikon F Mount.  • Weight: about 425 grams. Kit Lens Focal length: 18–55mm. • Aperture: f/3.5 at 18mm to f/5.6 at 55mm. • Designed for Nikon DX cameras like the D3100. • Equivalent field of view on Full Frame: approximately 27–82.5mm. • AF-S: has an internal autofocus motor, so autofocus works with the D3100. • Suitable for everyday photography, portraits, events, travel, and landscapes. • At 18mm, it provides a wide angle for scenes and groups. • At 55mm, it's suitable for portraits and closer shots.