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5.39 in 4.09 in | 5.2 in 3.84 in | |
Available colors | ||
Editiorial reviews | ||
User rating |
Sony SLT-A55 | Sony SLT-A57 | |
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Sensor type | CMOS | CMOS |
Image sensor format | APS-C | APS-C |
Sensor size | 0.93 in | 0.93 in |
Sensor photo detectors | 17.0 Mpx | 17.0 Mpx |
Effective pixels | 16.0 Mpx | 16.0 Mpx |
Image ratio w:h |
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Max resolution | 4912 x 3264 px | 4912 x 3264 px |
Other resolutions |
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Processor | BIONZ | BIONZ |
Sony SLT-A55 | Sony SLT-A57 | |
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ISO |
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ISO Auto | yes | yes |
ISO minimum | 100 | 10 |
ISO maximum | 12800 | 25600 |
Boosted ISO maximum | 25600 | 25600 |
Maximum image resolution | 4592 x 3056 px | 2560 x 1920 px |
White balance presets | 6 | 9 |
White balance modes |
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Custom white balance | yes | yes |
Supported image file formats | JPG |
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Photo effects |
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Image stabilizer | no | yes |
Image stabilization type | Sensor-shift | Sensor-shift |
Supported aspect ratios | 16:9 |
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Uncompressed format | RAW | RAW |
HDR | yes | yes |
AEB/HDR support | yes | yes |
Sony SLT-A55 | Sony SLT-A57 | |
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Lens mount |
| Sony A |
Magnification (Crop factor) | 1.5 x | 1.5 x |
AF assist (auto-focus assist light) | Lamp | Lamp |
Focus adjustment | Auto | Auto/Manual |
Contrast autofocus | no | yes |
Autofocus in recording mode | yes | yes |
Focal length multiplier | 1.5x | 1.5x |
Autofocus |
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Auto Focus (AF) lock | yes | yes |
Manual focus | yes | yes |
Auto Focus (AF) assist beam | yes | yes |
Number of focus points | 15 | 15 |
Max number of AF points (incl. assistant) | 15 | 15 |
Image stabiliser | Built-in | Built-in |
Filter diameter | 2.17 in | 2.17 in |
Phase detection autofocus | yes | yes |
Sony SLT-A55 | Sony SLT-A57 | |
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Screen size | 3.0 in | 3.0 in |
Articulated LCD | yes | yes |
Screen technology | LCD | LCD |
Screen dots | 921000 | 921000 |
Touch screen | no | no |
Field of view | 100.0 % | 100.0 % |
Live view | yes | yes |
Viewfinder | Electronic | Electronic |
Viewfinder coverage | 100.0 % | 100.0 % |
Viewfinder resolution | 1150000.0 px | 1440000.0 px |
Viewfinder magnification | 1.1 x | 1.04 x |
Separate info display | no | no |
Sony SLT-A55 | Sony SLT-A57 | |
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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 |
Exposure compensation plus | 2 | 3 |
Exposure compensation minus | -2 | -3 |
Expousure compensation steps | 1/3 | 1/3 |
Auto exposure lock | yes | yes |
AE EV steps |
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Continuous shooting | yes | yes |
Self-timer delay |
| 2.0 s |
Histogram | yes | yes |
AE frames | 3 | 3 |
WB Bracketing | Yes | Yes |
Subject / scene modes | yes | yes |
Flash sync speed | 1/160s | 1/160s |
Built-in flash | yes | yes |
Flash range | 10 | 10 |
Flash modes |
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External flash connection | Hot shoe | Hot shoe |
External flash | yes | yes |
Continuous drive | 10.0 fps | 12.0 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) | 10.0 fps | 12.0 fps |
Speed (RAW) | 10.0 fps | 10.0 fps |
Sony SLT-A55 | Sony SLT-A57 | |
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Maximum resolution | 1920 x 1080 px | 1920 x 1080 px |
Video recording | yes | yes |
Recording resolutions |
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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) | 1920 x 1080 | 1920 x 1080 |
Max frame rate (highest resolution) | 50.0 fps | 50.0 fps |
Max frame rate (regardless of res.) | 50.0 fps | 50.0 fps |
Motion JPEG frame rate | 25.0 fps | 25.0 fps |
Sony SLT-A55 | Sony SLT-A57 | |
---|---|---|
Built-in microphone | yes | yes |
Microphone type | Stereo | Stereo |
Voice recording | yes | yes |
Supported audio file formats | AAC |
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Sony SLT-A55 | Sony SLT-A57 | |
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Body type | Compact | SLR |
Colour of product | Black | Black |
Anti-dust system | yes | yes |
Environmentally sealed | no | no |
Sony SLT-A55 | Sony SLT-A57 | |
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Weight | 21.13 oz | 19.01 oz |
Width | 5.39 in | 5.2 in |
Height | 4.09 in | 3.84 in |
Depth | 3.31 in | 3.18 in |
Sony SLT-A55 | Sony SLT-A57 | |
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Compatible memory cards |
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Dual memory card slots | yes | yes |
Memory slots | 2 | 1 |
Storage types |
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Camera file system | DPOF 1.1 |
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Sony SLT-A55 | Sony SLT-A57 | |
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Power source type | Battery | Battery |
Battery life (CIPA) | 480 | 590 |
Battery technology | Lithium-Ion | Lithium |
Number of batteries supported | 1 | 1 |
AC adapter included | yes | yes |
Sony SLT-A55 | Sony SLT-A57 | |
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HDMI | yes | yes |
HDMI ports quantity | 1 | 1 |
USB version | 2.0 | 2.0 |
Wireless | Eye-Fi Connected | Eye-Fi Connected |
Remote control | yes | yes |
PictBridge | no | no |
NFC | no | no |
Wireless network (Wi-Fi) | no | no |
Firewire | no | no |
Sony SLT-A55 | Sony SLT-A57 | |
---|---|---|
GPS | yes | no |
Orientation sensor | yes | yes |
Energy Star certified | no | no |
Pros | ||
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Cons |