4.88 in 2.93 in  | 5.15 in 3.88 in  | |
| Available colors | ||
| Editiorial reviews | ||
| User rating |
 Nikon D3100 |  Sony A200 | |
|---|---|---|
| Sensor type | CMOS | CCD |
| Image sensor format | DX | APS-C |
| Sensor size | 0.91 in | 0.93 in |
| Sensor photo detectors | 15.0 Mpx | 11.0 Mpx |
| Effective pixels | 14.0 Mpx | 10.0 Mpx |
| Max resolution | 4608 x 3072 px | 3872 x 2592 px |
| Other resolutions |
|
|
| Processor | Expeed 2 | BIONZ |
| Nikon D3100 | Sony A200 | |
|---|---|---|
| ISO |
|
|
| ISO Auto | yes | yes |
| ISO minimum | 100 | 100 |
| ISO maximum | 12800 | 3200 |
| Maximum image resolution | 4608 x 3072 px | 3872 x 2592 px |
| White balance presets | 12 | 6 |
| White balance modes |
|
|
| Custom white balance | yes | yes |
| Supported image file formats |
|
|
| Photo effects | Black&White |
|
| Image stabilizer | no | yes |
| Supported aspect ratios | 16:9 | 16:9 |
| Uncompressed format | RAW | RAW |
| AEB/HDR support | no | yes |
| Nikon D3100 | Sony A200 | |
|---|---|---|
| Lens mount | Nikon-AF |
|
| Optical zoom | 3.0 x | 3.5 x |
| Magnification (Crop factor) | 1.5 x | 1.5 x |
| AF assist (auto-focus assist light) | Lamp | Flash |
| Focal length multiplier | 1.5x | 1.5x |
| Autofocus | Single Auto Focus |
|
| Auto Focus (AF) lock | yes | yes |
| Manual focus | yes | yes |
| Number of focus points | 11 | 9 |
| Max number of AF points (incl. assistant) | 11 | 9 |
| Image stabiliser | Lens based only | Built-in |
| Phase detection autofocus | yes | yes |
| Nikon D3100 | Sony A200 | |
|---|---|---|
| Screen size | 3.0 in | 2.7 in |
| Articulated LCD | no | no |
| Screen technology | LCD | LCD |
| Screen dots | 230000 | 230000 |
| Touch screen | no | no |
| Field of view | 95.0 % | 95.0 % |
| Live view | yes | no |
| Viewfinder | Optical | Optical |
| Viewfinder coverage | 95.0 % | 95.0 % |
| Viewfinder magnification | 0.8 x | 0.83 x |
| Separate info display | no | no |
| Nikon D3100 | Sony A200 | |
|---|---|---|
| Camera shutter type |
| Electronic |
| Minimum shutter speed | 30.0 s | 30.0 s |
| Maximum shutter speed | 1.0 s | 1.0 s |
| Shutter priority | yes | yes |
| Aperture priority | yes | yes |
| Exposure compensation plus | 5 | 2 |
| Exposure compensation minus | -5 | -2 |
| Expousure compensation steps | 1/3 | 1/3 |
| Auto exposure lock | yes | yes |
| Continuous shooting | yes | yes |
| Self-timer delay | 10.0 s |
|
| Histogram | yes | yes |
| Flash sync speed | 1/200s | 1/160s |
| Built-in flash | yes | yes |
| Flash range | 12 | 12 |
| Flash modes |
|
|
| External flash connection | Hot shoe | Hot shoe |
| Flash metering system | i-TTL |
|
| External flash | yes | yes |
| Continuous drive | 3.0 fps | 3.0 fps |
| Scene modes |
|
|
| Self-timer | yes | yes |
| Manual settings | yes | yes |
| Speed (JPEG) | 3.0 fps | 3.0 fps |
| Speed (RAW) | 3.0 fps | 3.0 fps |
| Nikon D3100 | Sony A200 | |
|---|---|---|
| Video recording | yes | no |
| Analog signal format system |
|
|
| Camera playback |
| Thumbnails |
| Nikon D3100 | Sony A200 | |
|---|---|---|
| Built-in microphone | no | no |
| Nikon D3100 | Sony A200 | |
|---|---|---|
| Body type | SLR | SLR |
| Body material | Plastic | Plastic |
| Colour of product |
| Black |
| Anti-dust system | yes | yes |
| Environmentally sealed | no | no |
| Nikon D3100 | Sony A200 | |
|---|---|---|
| Weight | 16.05 oz | 20.18 oz |
| Width | 4.88 in | 5.15 in |
| Height | 2.93 in | 3.88 in |
| Depth | 3.78 in | 2.81 in |
| Nikon D3100 | Sony A200 | |
|---|---|---|
| Compatible memory cards |
|
|
| Dual memory card slots | yes | yes |
| Memory slots | 1 | 2 |
| Storage types |
| Compact Flash |
| Camera file system |
|
|
| Nikon D3100 | Sony A200 | |
|---|---|---|
| Power source type |
| Battery |
| Battery life (CIPA) | 550 | 750 |
| Battery technology | Lithium-Ion | Lithium-Ion |
| Number of batteries supported | 1 | 1 |
| Nikon D3100 | Sony A200 | |
|---|---|---|
| HDMI | yes | no |
| USB version | 2.0 | 2.0 |
| Remote control | yes | yes |
| PictBridge | yes | yes |
| NFC | no | no |
| Wireless network (Wi-Fi) | no | no |
| Firewire | no | no |
| Nikon D3100 | Sony A200 | |
|---|---|---|
| GPS | yes | no |
| Orientation sensor | yes | yes |
| Tripod mounting supported | yes | yes |
| On Screen Display (OSD) languages |
|
|
| Image editing modes |
| Rotating |
| Pros | ||
|---|---|---|
| Cons |
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