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4.72 in 3.64 in | 4.9 in 3.62 in | |
Available colors | ||
Editiorial reviews | ||
User rating |
Pentax K-S1 | Sony SLT-A37 | |
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Sensor type | CMOS | CMOS |
Image sensor format | APS-C | APS-C |
Sensor size | 0.93 in | 0.92 in |
Sensor photo detectors | 20.0 Mpx | 17.0 Mpx |
Effective pixels | 20.0 Mpx | 16.0 Mpx |
Image ratio w:h | 3:2 |
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Max resolution | 5472 x 3648 px | 4912 x 3264 px |
Other resolutions |
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Pentax K-S1 | Sony SLT-A37 | |
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ISO |
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ISO Auto | yes | yes |
ISO minimum | 100 | 100 |
ISO maximum | 51200 | 16000 |
Maximum image resolution | 5472 x 3648 px | 4912 x 3264 px |
White balance presets | 9 | 6 |
White balance modes |
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Custom white balance | yes | yes |
Supported image file formats |
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Photo effects |
| Vivid |
Image stabilizer | yes | yes |
Image stabilization type | Sensor-shift | Sensor-shift |
Uncompressed format | RAW | RAW |
HDR | yes | yes |
AEB/HDR support | yes | yes |
Pentax K-S1 | Sony SLT-A37 | |
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Lens mount | Pentax KAF2 | Sony A |
Magnification (Crop factor) | 1.5 x | 1.5 x |
Maximum aperture | 3.5 | 3.5 |
AF assist (auto-focus assist light) | Lamp | Flash |
Focus adjustment | Auto | Auto/Manual |
Contrast autofocus | yes | no |
Brightness adjustment | yes | yes |
Autofocus in recording mode | yes | yes |
Focal length multiplier | 1.5x | 1.5x |
Autofocus |
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Manual focus | yes | yes |
Auto Focus (AF) assist beam | yes | yes |
Number of focus points | 11 | 15 |
Max number of AF points (incl. assistant) | 11 | 15 |
Image stabiliser | Built-in | Built-in |
Filter diameter | 2.44 in | 2.17 in |
Phase detection autofocus | yes | yes |
Pentax K-S1 | Sony SLT-A37 | |
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Screen size | 3.0 in | 2.7 in |
Articulated LCD | no | yes |
Screen technology | LCD TFT | LCD TFT |
Screen dots | 921000 | 230400 |
Touch screen | no | no |
Field of view | 100.0 % | 100.0 % |
Live view | yes | yes |
Viewfinder | Optical | Electronic |
Viewfinder coverage | 100.0 % | 100.0 % |
Viewfinder magnification | 0.95 x | 16.0 x |
Dioptre correction | yes | yes |
Separate info display | no | no |
Second display | no | no |
Pentax K-S1 | Sony SLT-A37 | |
---|---|---|
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 | 3 | 3 |
Exposure compensation plus | 5 | 3 |
Exposure compensation minus | -5 | -3 |
Expousure compensation steps |
| 1/3 |
Auto exposure lock | yes | yes |
AE EV steps |
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Continuous shooting | yes | yes |
Self-timer delay |
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Histogram | yes | yes |
AE frames | 3 | 3 |
WB Bracketing | No | Yes |
Subject / scene modes | yes | yes |
Flash sync speed | 1/180s | 1/160s |
Built-in flash | yes | yes |
Flash range | 10 | 12 |
Flash modes |
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External flash connection | Hot shoe | Hot shoe |
Flash metering system | P-TTL | TTL |
External flash | yes | yes |
Continuous drive | 5.4 fps | 5.5 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) | 5.4 fps | 5.5 fps |
Speed (RAW) | 5.4 fps | 5.5 fps |
Pentax K-S1 | Sony SLT-A37 | |
---|---|---|
Maximum resolution | 1920 x 1080 px | 1920 x 1080 px |
Video recording | yes | yes |
Recording resolutions | 1920.0 px |
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HD type | Full HD | Full HD |
Supported video file formats |
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Camera playback |
| Single image |
Max resolution (highest frame rate) | 1280 x 720 | 1920 x 1080 |
Max frame rate (highest resolution) | 30.0 fps | 25.0 fps |
Max frame rate (regardless of res.) | 60.0 fps | 50.0 fps |
Motion JPEG frame rate | 60.0 fps | 25.0 fps |
Pentax K-S1 | Sony SLT-A37 | |
---|---|---|
Built-in microphone | yes | yes |
Microphone type | Stereo | Stereo |
Speaker type | Mono | Mono |
Voice recording | yes | yes |
Pentax K-S1 | Sony SLT-A37 | |
---|---|---|
Body type | SLR | SLR |
Body material | Plastic | Plastic |
Colour of product |
| Black |
Anti-dust system | yes | yes |
Environmentally sealed | no | no |
Pentax K-S1 | Sony SLT-A37 | |
---|---|---|
Weight | 17.57 oz | 14.64 oz |
Width | 4.72 in | 4.9 in |
Height | 3.64 in | 3.62 in |
Depth | 2.74 in | 3.33 in |
Pentax K-S1 | Sony SLT-A37 | |
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Compatible memory cards |
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Storage types |
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Camera file system |
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Pentax K-S1 | Sony SLT-A37 | |
---|---|---|
Power source type | Battery | Battery |
Battery life (CIPA) | 480 | 500 |
Battery technology | Lithium-Ion | Lithium |
Number of batteries supported | 1 | 1 |
Pentax K-S1 | Sony SLT-A37 | |
---|---|---|
HDMI | yes | yes |
USB version | 2.0 | 2.0 |
Wireless | Eye-Fi Connected | Eye-Fi Connected |
Remote control | yes | yes |
NFC | no | no |
Wireless network (Wi-Fi) | no | no |
Firewire | no | no |
Pentax K-S1 | Sony SLT-A37 | |
---|---|---|
GPS | yes | no |
Orientation sensor | yes | yes |
Energy Star certified | no | no |
Image editing modes |
| Rotating |
Pros | ||
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Cons |