| key specs |
| Camera Type | DSLR Camera | DSLR Camera |
| Effective Pixels | 10.2 MP | 12.3 MP |
| Sensor Type | CCD | CMOS |
| Display Size | 2.5 inch | 3 inch |
| Battery Type | Lithium ion | Lithium ion |
| general |
| Brand | Nikon | Nikon |
| Model | D40X 10.2MP DSLR Camera | D300S 12.3MP DSLR Camera |
| Model Name | D40X | D300S |
| Model Number | D40X | D300S |
| Color | Black | Black |
| Type | DSLR Camera | DSLR Camera |
| Effective Pixels | 10.2 MP | 12.3 MP |
| Tripod Socket | Yes | Yes |
| Dimensions(WxHxD) | 50 x 30 x 20 cm | 114 x 147 x 74 mm |
| Weight | 482 GM | 840 GM |
| Face Detection | Yes | Yes |
| Temperature | 0 to 40 | 0 to 40 |
| Ports | Type C Mini HDMI | Type C, Mini HDMI |
| Accessory Shoe | ISO 518 Hot-shoe with Sync and Data Contacts, Safety Lock | - |
| SLR Variant | - | Body Only |
| sensor features |
| Sensor Type | CCD | CMOS |
| Sensor Size | 22.3 x 14.9 mm | 23.2 x 15.4 mm |
| ISO Rating | ISO 100 - 25600 | - |
| Maximum ISO | - | 6400 ISO |
| lens features |
| Lens Mount | Nikon F Mount (With AF Coupling and AF Contacts) | Nikon F mount |
| Manual Focus | Yes | Yes |
| 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 | Fixed Eye-level Pentaprism |
| 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 1,005-pixel RGB sensor Incandescent, Fluorescent, Direct sunlight, Flash, Cloudy, Shade, Choose Color temp., White balance preset |
| exposure features |
| Exposure Mode | Automatic | - |
| Manual Exposure | Yes | - |
| shutter features |
| Shutter Speed | 1/8000 sec | 1/8000 sec |
| Self-timer | Yes | Yes |
| Continuous Shots | - | Continous low shooting mode 1-7fps, Continous high shooting mode 7fps |
| flash features |
| External Flash | Yes | Yes |
| Built-in Flash | - | Yes |
| Flash Modes | - | Front curtain, Rear curtain, Red-Eye, Slow, Red-Eye Slow |
| image features |
| Live View Shooting | Yes | - |
| Image Format | - | NEF 12 or 14-bit lossless compressed, compressed, or uncompressed RAW, TIFF RGB, JPEG Baseline-compliant |
| Picture Angle | - | Approx 1.5x lens focal length |
| display features |
| Display Size | 2.5 inch | 3 inch |
| connectivity features |
| Wifi | No | No |
| storage and power features |
| Battery Type | Lithium ion | Lithium ion |
| Card Type | - | SD |
| Batteries Included | - | Yes |
| audio and video features |
| Microphone | Yes | - |
| Video Resolution | 1920 x 1080 | 1280 x 720 |
| Video Format | - | AVI movie |
| modes and functions features |
| HD Support | Yes | - |
| Shooting Modes | - | Single frame shooting mode, Continuous shooting mode approx. 3fps, Self-timer mode, Quiet Shutter Release |