5.0 in 3.8 in  | 4.82 in 2.66 in  | |
| Available colors | ||
| Editiorial reviews | ||
| User rating |
 Nikon D5100 |  Pentax K-m | |
|---|---|---|
| Sensor type | CMOS | CCD |
| Image sensor format | DX | APS-C |
| Sensor size | 0.93 in | 0.93 in |
| Effective pixels | 16.0 Mpx | 10.0 Mpx |
| Image ratio w:h | 3:2 | 3:2 |
| Max resolution | 4928 x 3264 px | 3872 x 2592 px |
| Other resolutions |
|
|
| Nikon D5100 | Pentax K-m | |
|---|---|---|
| ISO |
|
|
| ISO Auto | yes | yes |
| ISO minimum | 100 | 100 |
| ISO maximum | 25600 | 3200 |
| Maximum image resolution | 4928 x 3264 px | 3872 x 2592 px |
| White balance presets | 12 | 8 |
| White balance modes |
|
|
| Custom white balance | yes | yes |
| Photo effects |
|
|
| Image stabilization type | No | Sensor-shift |
| Uncompressed format | RAW | RAW |
| Nikon D5100 | Pentax K-m | |
|---|---|---|
| Lens mount | Nikon F | Pentax KAF2 |
| Focus adjustment | Auto | Auto |
| Focal length multiplier | 1.5x | 1.5x |
| Autofocus |
|
|
| Manual focus | yes | yes |
| Number of focus points | 11 | 5 |
| Filter diameter | 2.83 in | 2.05 in |
| Nikon D5100 | Pentax K-m | |
|---|---|---|
| Screen size | 3.0 in | 2.7 in |
| Articulated LCD | yes | no |
| Screen technology | LCD | LCD |
| Screen dots | 921000 | 230000 |
| Touch screen | no | no |
| Live view | yes | no |
| Viewfinder | Optical | Optical |
| Viewfinder coverage | 95.0 % | 96.0 % |
| Viewfinder magnification | 0.78 x | 0.85 x |
| Nikon D5100 | Pentax K-m | |
|---|---|---|
| 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 |
| Manual exposure mode | yes | yes |
| Exposure compensation plus | 5 | 2 |
| Exposure compensation minus | -5 | -2 |
| Expousure compensation steps |
|
|
| AE EV steps |
|
|
| Histogram | yes | yes |
| Subject / scene modes | yes | no |
| Built-in flash | yes | yes |
| Flash range | 12 | 11 |
| Flash modes |
|
|
| External flash | yes | yes |
| Continuous drive | 4.0 fps | 3.5 fps |
| Scene modes |
|
|
| Self-timer | yes | yes |
| Metering modes |
|
|
| Self-timer options |
|
|
| Nikon D5100 | Pentax K-m | |
|---|---|---|
| Video recording | yes | no |
| Camera playback |
|
|
| Nikon D5100 | Pentax K-m | |
|---|---|---|
| Body type | SLR | SLR |
| Colour of product | Black | Black |
| Environmentally sealed | no | no |
| Nikon D5100 | Pentax K-m | |
|---|---|---|
| Weight | 17.99 oz | 20.81 oz |
| Width | 5.0 in | 4.82 in |
| Height | 3.8 in | 2.66 in |
| Depth | 3.1 in | 3.6 in |
| Nikon D5100 | Pentax K-m | |
|---|---|---|
| Compatible memory cards |
| SD |
| Storage types |
|
|
| Nikon D5100 | Pentax K-m | |
|---|---|---|
| HDMI | yes | no |
| USB version | 2.0 | 2.0 |
| Remote control | yes | yes |
| Nikon D5100 | Pentax K-m | |
|---|---|---|
| Timelapse recording | yes | no |
| GPS | no | no |
| Orientation sensor | yes | no |
| Calendar | yes | yes |
| Image editing modes |
|
|
| Pros | ||
|---|---|---|
| Cons |
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