| key specs |
| Camera Type | DSLR Camera | Digital Camera |
| Effective Pixels | 16.2 MP | 16.1 MP |
| Sensor Type | CMOS | CCD |
| Display Size | 3 inch | 3 inch |
| Battery Type | Lithium ion | AA Alkaline Battery |
| general |
| Brand | Nikon | Nikon |
| Model | D5100 16.2MP DSLR Camera | CoolPix A10 16.1MP Digital Camera |
| Model Name | D5100 | CoolPix A10 |
| Color | Black | Silver |
| Type | DSLR Camera | Digital Camera |
| Effective Pixels | 16.2 MP | 16.1 MP |
| Tripod Socket | Yes | Yes |
| Dimensions(WxHxD) | 7.9 x 12.8 x 9.7 cm | 14.4 x 6.71 x 11 cm |
| Face Detection | Yes | Yes |
| Lens Attachment | Body Only | - |
| Temperature | 0 to 40 | 0 to 40 |
| Model Number | - | A10 |
| Series | - | CoolPix |
| Weight | - | 160 GM |
| sensor features |
| Sensor Type | CMOS | CCD |
| Maximum ISO | 6400 ISO | 1600 ISO |
| Maximum FPS | 4 | 1.2 |
| Sensor Technology | CMOS | CCD |
| ISO Rating | - | ISO 80 - 1600 |
| lens features |
| Manual Focus | Yes | Yes |
| Digital Zoom | - | 4x |
| Optical Zoom | - | 5x |
| Aperture Range | - | F3.2 - F6.5 |
| Other Lens Features | - | Aperture Electronically-controlled ND Filter (2.7 AV) Selection, Aperture Range 2 Steps (f/3.2 and f/8 (W)), Digital Zoom Magnification Upto 4x (Angle of View Equivalent to that of 520 mm Lens in 35 mm (135) Format) |
| viewfinder features |
| View Finder | Yes | - |
| focus features |
| Auto Focus | Yes | Yes |
| White Balancing | Auto TTL white-balance with main image sensor and 420-pixel RGB sensor, Incandescent, Fluorescent 7 types , Direct, Sunlight, Flash, Cloudy, Shade, preset manual. | - |
| Focus Range | - | (W) 50 cm - Infinity, (T) 80 cm - Infinity |
| Metering Modes | - | Matrix, Center-weighted (Digital Zoom less than 2x), Spot (Digital Zoom 2x or More) |
| Other Focus Features | - | Focus Area Selection Center, Face Detection |
| shutter features |
| Self-timer | Yes | Yes |
| Continuous Shots | Continuous shooting mode Approx. 4fps | - |
| Shutter Type | - | Mechanical and Charge-coupled Electronic Shutter |
| flash features |
| Built-in Flash | Yes | - |
| Flash Modes | Fill-flash, slow sync, auto slow sync, red-eye reduction, auto with red-eye reduction, slow sync with red-eye reduction, auto, slow sync with red-eye reduction, rear-curtain sync, rear-curtain with slow sync. | - |
| Other Flash Features | - | Control TTL Auto Flash with Monitor Preflashes |
| image features |
| Image Format | NEF 12 or 14-bit lossless compressed or compressed RAW, JPEG Baseline-compliant | JPEG |
| Red Eye Reduction | Yes | - |
| Image Sizing | 4928 x 3264 L | - |
| Picture Angle | Approx 1.5x lens focal length | - |
| Gross Pixel | - | 16.44 MP |
| Still Image Size | - | 4608 x 2592 |
| display features |
| Display Size | 3 inch | 3 inch |
| LCD Display Image Resolution | 921000 dots | 230000 dots |
| LCD Display Video Resolution | 1920 x 1080 | 1280 x 720 |
| Other Display Features | - | Frame Coverage (Shooting Mode) 98% Horizontal and 98% Vertical (Compared to Actual Picture), Frame Coverage (Playback Mode) 100% Horizontal and 100% Vertical (Compared to Actual Picture) |
| connectivity features |
| USB | 2 | Yes |
| Wifi | No | - |
| storage and power features |
| Upgradable Memory | Yes | - |
| Card Type | SD / SDHC / SDXC | SD / SDHC / SDXC |
| Power Supply | EH-5a AC Adapter | LR6/L40 (AA-size) Alkaline Batteries |
| Battery Type | Lithium ion | AA Alkaline Battery |
| Inbuilt Memory | - | 17 MB |
| audio and video features |
| Video Format | MOV movie H.264, MPEG-4 AVC compression format with Linear PCM sound Stereo sound with external microphone | AVI (Video Motion-JPEG Compliant) |
| Audio Video Interface | Audio / Video Output | NTSC, PAL |
| modes and functions features |
| Delete Function | Yes | - |
| Shooting Modes | Single frame, Continuous 4fps, Self-timer, Delayed remote, Quick-response remote, Silent shuttle release, D-Movie. | - |
| exposure features |
| Exposure Mode | - | Manual |
| Spot Meter | - | Yes |
| Exposure Compensation | - | 1/3 EV Steps in 2.0 to +2.0 EV |
| Manual Exposure | - | Yes |
| Other Exposure Features | - | Exposure Control Programmed Auto Exposure |