5.33 in 4.19 in  | 4.72 in 3.64 in  | |
| Available colors | ||
| Editiorial reviews | ||
| User rating |
 Nikon D7100 |  Pentax K-S1 | |
|---|---|---|
| Sensor type | CMOS | CMOS |
| Image sensor format | DX | APS-C |
| Sensor size | 0.93 in | 0.93 in |
| Sensor photo detectors | 25.0 Mpx | 20.0 Mpx |
| Effective pixels | 24.0 Mpx | 20.0 Mpx |
| Image ratio w:h |
| 3:2 |
| Max resolution | 6000 x 4000 px | 5472 x 3648 px |
| Other resolutions |
|
|
| Nikon D7100 | Pentax K-S1 | |
|---|---|---|
| ISO |
|
|
| ISO Auto | yes | yes |
| ISO minimum | 100 | 100 |
| ISO maximum | 25600 | 51200 |
| Maximum image resolution | 6000 x 4000 px | 5472 x 3648 px |
| White balance presets | 12 | 9 |
| White balance modes |
|
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| Custom white balance | yes | yes |
| Supported image file formats |
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| Photo effects |
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| Image stabilizer | no | yes |
| Image stabilization type | No | Sensor-shift |
| Uncompressed format | RAW | RAW |
| HDR | yes | yes |
| AEB/HDR support | yes | yes |
| Nikon D7100 | Pentax K-S1 | |
|---|---|---|
| Lens mount | Nikon F | Pentax KAF2 |
| Optical zoom | 5.8 x | 11.0 x |
| Magnification (Crop factor) | 1.5 x | 1.5 x |
| Maximum aperture | 3.5 | 3.5 |
| AF assist (auto-focus assist light) | Lamp | Lamp |
| Focus adjustment | Auto/Manual | Auto |
| Contrast autofocus | yes | yes |
| Brightness adjustment | yes | yes |
| Autofocus in recording mode | yes | yes |
| Autofocus |
|
|
| Manual focus | yes | yes |
| Number of focus points | 51 | 11 |
| Max number of AF points (incl. assistant) | 51 | 11 |
| Image stabiliser | Lens based only | Built-in |
| Filter diameter | 3.03 in | 2.44 in |
| Phase detection autofocus | yes | yes |
| Nikon D7100 | Pentax K-S1 | |
|---|---|---|
| Screen size | 3.2 in | 3.0 in |
| Articulated LCD | no | no |
| Screen technology | LCD TFT | LCD TFT |
| Screen dots | 1228800 | 921000 |
| Touch screen | no | no |
| Live view | yes | yes |
| Viewfinder | Electronic | Optical |
| Viewfinder coverage | 100.0 % | 100.0 % |
| Viewfinder magnification | 0.94 x | 0.95 x |
| Dioptre correction | yes | yes |
| Diopter adjustment (D-D) | -2 - 1 | 2.5 - 1.5 |
| Eye relief | 0.77 in | 0.88 in |
| Separate info display | yes | no |
| Nikon D7100 | Pentax K-S1 | |
|---|---|---|
| Shooting modes |
|
|
| Camera shutter type | Electronic | 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 |
| Manual exposure mode | yes | yes |
| Number of exposures | 2 | 3 |
| Exposure compensation plus | 5 | 5 |
| Exposure compensation minus | -5 | -5 |
| Expousure compensation steps |
|
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| Auto exposure lock | yes | yes |
| AE EV steps |
|
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| Continuous shooting | yes | yes |
| Self-timer delay |
|
|
| Histogram | yes | yes |
| AE frames |
| 3 |
| WB Bracketing | Yes | No |
| Subject / scene modes | yes | yes |
| Flash sync speed | 1/320s | 1/180s |
| Built-in flash | yes | yes |
| Flash range | 12 | 10 |
| Flash modes |
|
|
| External flash connection | Hot shoe | Hot shoe |
| Flash metering system | i-TTL | P-TTL |
| External flash | yes | yes |
| Continuous drive | 6.0 fps | 5.4 fps |
| Scene modes |
|
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| Self-timer | yes | yes |
| Metering modes |
|
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| Manual settings | yes | yes |
| Self-timer options |
|
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| Speed (JPEG) | 6.0 fps | 5.4 fps |
| Speed (RAW) | 6.0 fps | 5.4 fps |
| Exposure bracketing | 0.3 - 3.0±EV | 0.3 - 0.5±EV |
| Nikon D7100 | Pentax K-S1 | |
|---|---|---|
| Maximum resolution | 1920 x 1080 px | 1920 x 1080 px |
| Video recording | yes | yes |
| Recording resolutions |
| 1920.0 px |
| HD type | Full HD | Full HD |
| Supported video file formats |
|
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| Camera playback |
|
|
| Max resolution (highest frame rate) | 1920 x 1080 | 1280 x 720 |
| Max frame rate (highest resolution) | 30.0 fps | 30.0 fps |
| Max frame rate (regardless of res.) | 60.0 fps | 60.0 fps |
| Motion JPEG frame rate | 60.0 fps | 60.0 fps |
| Nikon D7100 | Pentax K-S1 | |
|---|---|---|
| Built-in microphone | yes | yes |
| Microphone type | Stereo | Stereo |
| Speaker type | Mono | Mono |
| Voice recording | yes | yes |
| Audio system | Stereo | Stereo |
| Noise reduction | yes | yes |
| Nikon D7100 | Pentax K-S1 | |
|---|---|---|
| Body type | SLR | SLR |
| Body material | Aluminum-magnesium | Plastic |
| Colour of product | Black |
|
| Anti-dust system | yes | yes |
| Environmentally sealed | yes | no |
| Nikon D7100 | Pentax K-S1 | |
|---|---|---|
| Weight | 23.81 oz | 17.57 oz |
| Width | 5.33 in | 4.72 in |
| Height | 4.19 in | 3.64 in |
| Depth | 2.99 in | 2.74 in |
| Nikon D7100 | Pentax K-S1 | |
|---|---|---|
| Compatible memory cards |
|
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| Storage types |
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| Camera file system |
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| Nikon D7100 | Pentax K-S1 | |
|---|---|---|
| Power source type | Battery | Battery |
| Battery life (CIPA) | 950 | 480 |
| Battery technology | Lithium-Ion | Lithium-Ion |
| Number of batteries supported | 1 | 1 |
| Nikon D7100 | Pentax K-S1 | |
|---|---|---|
| HDMI | no | yes |
| USB connector type | Mini-USB B | Micro-USB B |
| USB version | 2.0 | 2.0 |
| Microphone port | yes | yes |
| Wireless | Optional | Eye-Fi Connected |
| Remote control | yes | yes |
| NFC | no | no |
| Wireless network (Wi-Fi) | yes | no |
| Firewire | no | no |
| Nikon D7100 | Pentax K-S1 | |
|---|---|---|
| GPS | yes | yes |
| Orientation sensor | yes | yes |
| Energy Star certified | no | no |
| Languages support | Multi |
|
| Image editing modes |
|
|
| Pros | ||
|---|---|---|
| Cons |
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