| key specs |
| Camera Type | DSLR Camera | DSLR Camera |
| Effective Pixels | 16.2 MP | 10.2 MP |
| Sensor Type | CMOS | CCD |
| Display Size | 3 inch | 2.5 inch |
| Battery Type | Lithium ion | Lithium ion |
| general |
| Brand | Nikon | Nikon |
| Model | D5100 16.2MP DSLR Camera | D40X 10.2MP DSLR Camera |
| Model Name | D5100 | D40X |
| Color | Black | Black |
| Type | DSLR Camera | DSLR Camera |
| Effective Pixels | 16.2 MP | 10.2 MP |
| Tripod Socket | Yes | Yes |
| Dimensions(WxHxD) | 7.9 x 12.8 x 9.7 cm | 50 x 30 x 20 cm |
| Face Detection | Yes | Yes |
| Lens Attachment | Body Only | - |
| Temperature | 0 to 40 | 0 to 40 |
| Model Number | - | D40X |
| Weight | - | 482 GM |
| Ports | - | Type C Mini HDMI |
| Accessory Shoe | - | ISO 518 Hot-shoe with Sync and Data Contacts, Safety Lock |
| sensor features |
| Sensor Type | CMOS | CCD |
| Maximum ISO | 6400 ISO | - |
| Maximum FPS | 4 | - |
| Sensor Technology | CMOS | - |
| Sensor Size | - | 22.3 x 14.9 mm |
| ISO Rating | - | ISO 100 - 25600 |
| lens features |
| Manual Focus | Yes | Yes |
| Lens Mount | - | Nikon F Mount (With AF Coupling and AF Contacts) |
| Dust Reduction | - | Yes |
| Other Lens Features | - | Lens Aperture Instant Return, Electronically Controlled, Compatible Lenses Compatible with AF NIKKOR Lenses, Including Type G, E and D Lenses (Some Restrictions Apply to PC Lenses) and DX Lenses (Using DX 24 x 16 1.5x Image Area), AI-P NIKKOR Lenses and Non-CPU AI Lenses (Exposure Modes A and M Only), IX NIKKOR Lenses, Lenses for the F3AF and Non-AI Lenses can not be Used, The Electronic Rangefinder can be Used with Lenses that Have a Maximum Aperture of f/5.6 or Faster (The Electronic Rangefinder Supports the 11 Focus Points with Lenses that Have a Maximum Aperture of f/8 or Faster) |
| viewfinder features |
| View Finder | Yes | Yes |
| View Finder Type | - | Eye-level Pentaprism Single-lens Reflex Viewfinder |
| Viewpoint Dioptric Adjustment | - | -3 to +1 m-1 |
| Viewfinder Eye Point | - | 18 mm |
| 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. | - |
| shutter features |
| Self-timer | Yes | Yes |
| Continuous Shots | Continuous shooting mode Approx. 4fps | - |
| Shutter Speed | - | 1/8000 sec |
| 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. | - |
| External Flash | - | Yes |
| image features |
| Image Format | NEF 12 or 14-bit lossless compressed or compressed RAW, JPEG Baseline-compliant | - |
| Red Eye Reduction | Yes | - |
| Image Sizing | 4928 x 3264 L | - |
| Picture Angle | Approx 1.5x lens focal length | - |
| Live View Shooting | - | Yes |
| display features |
| Display Size | 3 inch | 2.5 inch |
| LCD Display Image Resolution | 921000 dots | - |
| LCD Display Video Resolution | 1920 x 1080 | - |
| connectivity features |
| USB | 2 | - |
| Wifi | No | No |
| storage and power features |
| Upgradable Memory | Yes | - |
| Card Type | SD / SDHC / SDXC | - |
| Power Supply | EH-5a AC Adapter | - |
| Battery Type | Lithium ion | Lithium ion |
| audio and video features |
| Video Format | MOV movie H.264, MPEG-4 AVC compression format with Linear PCM sound Stereo sound with external microphone | - |
| Audio Video Interface | Audio / Video Output | - |
| Microphone | - | Yes |
| Video Resolution | - | 1920 x 1080 |
| 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. | - |
| HD Support | - | Yes |
| exposure features |
| Exposure Mode | - | Automatic |
| Manual Exposure | - | Yes |