| key specs |
| Camera Type | DSLR Camera | DSLR Camera |
| Effective Pixels | 24.1 MP | 10.2 MP |
| Sensor Type | CMOS | CCD |
| Display Size | 3.2 inch | 2.5 inch |
| Battery Type | Lithium ion | Lithium ion |
| Touchscreen | No | - |
| general |
| Brand | Nikon | Nikon |
| Model | D7100 24.1MP DSLR Camera | D40X 10.2MP DSLR Camera |
| Model Name | D7100 | D40X |
| Model Number | D7100 | D40X |
| Color | Black | Black |
| SLR Variant | Body With Single Lens Af-S 18-105 Mm Vr Lens 16 Gb Sd Card + Camera Bag | - |
| Type | DSLR Camera | DSLR Camera |
| Effective Pixels | 24.1 MP | 10.2 MP |
| Tripod Socket | Yes | Yes |
| Dimensions(WxHxD) | 106.5 x 135.5 x 76 mm | 50 x 30 x 20 cm |
| Weight | 755 GM | 482 GM |
| Temperature | 0 to 40 | 0 to 40 |
| Ports | Type C, HDMI | Type C Mini HDMI |
| Face Detection | - | Yes |
| Accessory Shoe | - | ISO 518 Hot-shoe with Sync and Data Contacts, Safety Lock |
| sensor features |
| Sensor Type | CMOS | CCD |
| Sensor Size | 23.5 x 15.6 mm | 22.3 x 14.9 mm |
| ISO Rating | ISO 100 - 6400 | ISO 100 - 25600 |
| lens features |
| Lens Mount | Nikon F mount | Nikon F Mount (With AF Coupling and AF Contacts) |
| Manual Focus | Yes | Yes |
| Color Filter | Primary RGB Color Filter | - |
| Dust Reduction | Yes | 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 | 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 2 Types, Incandescent, Fluorescent 7 Types, Direct Sunlight, Flash, Cloudy, Shade, Preset Manual upto 6 Values can be Stored, Spot Measurement Available During Live View, Choose Color Temperature 2500 K - 10000 K, Fine-tuning | - |
| shutter features |
| Shutter Speed | 1/8000 - 30 sec | 1/8000 sec |
| Self-timer | Yes | Yes |
| flash features |
| Built-in Flash | Yes | - |
| Flash Modes | Auto, Auto with Red-eye Reduction, Auto Slow Sync, Auto Slow Sync with Red-eye Reduction, Fill-flash, Red-eye Reduction, Slow Sync, Slow Sync with Red-eye Reduction, Rear-curtain with Slow Sync, Rear-curtain Sync, Off Auto FP High-Speed Sync Supported | - |
| External Flash | - | Yes |
| image features |
| Image Format | JPEG, DCF 2.0, EXIF 2.3, DPOF | - |
| Live View Shooting | - | Yes |
| display features |
| Display Size | 3.2 inch | 2.5 inch |
| Touch Screen | No | - |
| connectivity features |
| Wifi | No | No |
| storage and power features |
| Battery Type | Lithium ion | Lithium ion |
| audio and video features |
| Video Resolution | 1920 x 1080 | 1920 x 1080 |
| Video Format | MPEG-4, AVC / H.264 | - |
| Microphone | - | Yes |
| modes and functions features |
| Shooting Modes | Auto, Programmed Auto with Flexible Program P, Shutter-priority S, Aperture-priority A, Manual M | - |
| HD Support | - | Yes |
| exposure features |
| Exposure Mode | - | Automatic |
| Manual Exposure | - | Yes |