Pentax Efina vs Sony A57
97 Imaging
38 Features
26 Overall
33
64 Imaging
57 Features
85 Overall
68
Pentax Efina vs Sony A57 Key Specs
(Full Review)
- 14MP - 1/2.3" Sensor
- 2.5" Fixed Screen
- ISO 80 - 1600
- Digital Image Stabilization
- 1280 x 720 video
- 26-130mm (F3.5-6.3) lens
- 91g - 87 x 54 x 21mm
- Introduced June 2013
(Full Review)
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Lets look more closely at the Pentax Efina and Sony A57, one is a Ultracompact and the other is a Entry-Level DSLR by brands Pentax and Sony. The resolution of the Efina (14MP) and the A57 (16MP) is very comparable but the Efina (1/2.3") and A57 (APS-C) possess different sensor sizes.
Photography GlossaryThe Efina was introduced 9 months after the A57 and they are of a similar generation. The two cameras offer different body type with the Pentax Efina being a Ultracompact camera and the Sony A57 being a Compact SLR camera.
Before delving in to a comprehensive comparison, below is a quick synopsis of how the Efina grades vs the A57 with respect to portability, imaging, features and an overall score.
Meta to Introduce 'AI-Generated' Labels for Media starting next month Pentax Efina vs Sony A57 Gallery
Below is a sample of the gallery pics for Pentax Efina and Sony SLT-A57. The whole galleries are available at Pentax Efina Gallery and Sony A57 Gallery.
Reasons to pick Pentax Efina over the Sony A57
| Efina | A57 | |||
|---|---|---|---|---|
| Revealed | June 2013 |  | September 2012 | More modern by 9 months |
Reasons to pick Sony A57 over the Pentax Efina
| A57 | Efina | |||
|---|---|---|---|---|
| Focus manually |  | Dial precise focus | ||
| Display type | Fully Articulated |  | Fixed | Fully Articulating display |
| Display sizing | 3" |  | 2.5" | Larger display (+0.5") |
| Display resolution | 921k |  | 230k | Crisper display (+691k dot) |
| Selfie screen |  | Easy selfies |
Common features in the Pentax Efina and Sony A57
| Efina | A57 | |||
|---|---|---|---|---|
| Touch display |  | Neither provides Touch display |
Pentax Efina vs Sony A57 Physical Comparison
For those who are planning to carry around your camera frequently, you will need to think about its weight and size. The Pentax Efina provides exterior dimensions of 87mm x 54mm x 21mm (3.4" x 2.1" x 0.8") and a weight of 91 grams (0.20 lbs) whilst the Sony A57 has specifications of 132mm x 98mm x 81mm (5.2" x 3.9" x 3.2") along with a weight of 618 grams (1.36 lbs).
Look at the Pentax Efina and Sony A57 in the all new Camera and Lens Size Comparison Tool.
Keep in mind, the weight of an Interchangeable Lens Camera will differ depending on the lens you have during that time. Below is the front view measurement comparison of the Efina vs the A57.
Taking into consideration size and weight, the portability rating of the Efina and A57 is 97 and 64 respectively.
Pentax Efina vs Sony A57 Sensor Comparison
Generally, it is very tough to imagine the difference in sensor sizes only by going through specifications. The pic below might provide you a better sense of the sensor dimensions in the Efina and A57.
To sum up, both of the cameras offer different megapixels and different sensor sizes. The Efina having a smaller sensor is going to make getting bokeh more challenging and the Sony A57 will show extra detail using its extra 2 Megapixels. Greater resolution will make it easier to crop pics a little more aggressively. The more recent Efina provides an advantage when it comes to sensor tech.
Pentax Efina vs Sony A57 Screen and ViewFinder
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Pentax Efina vs Sony A57 Specifications
| Pentax Efina | Sony SLT-A57 | |
|---|---|---|
| General Information | ||
| Manufacturer | Pentax | Sony |
| Model | Pentax Efina | Sony SLT-A57 |
| Category | Ultracompact | Entry-Level DSLR |
| Introduced | 2013-06-03 | 2012-09-13 |
| Body design | Ultracompact | Compact SLR |
| Sensor Information | ||
| Sensor type | CCD | CMOS |
| Sensor size | 1/2.3" | APS-C |
| Sensor measurements | 6.17 x 4.55mm | 23.5 x 15.6mm |
| Sensor area | 28.1mm² | 366.6mm² |
| Sensor resolution | 14MP | 16MP |
| Anti aliasing filter | ||
| Aspect ratio | 4:3, 3:2 and 16:9 | 3:2 and 16:9 |
| Max resolution | 4288 x 3216 | 4912 x 3264 |
| Max native ISO | 1600 | 16000 |
| Max enhanced ISO | - | 25600 |
| Lowest native ISO | 80 | 100 |
| RAW files | ||
| Autofocusing | ||
| Manual focus | ||
| Autofocus touch | ||
| Continuous autofocus | ||
| Single autofocus | ||
| Tracking autofocus | ||
| Selective autofocus | ||
| Autofocus center weighted | ||
| Autofocus multi area | ||
| Autofocus live view | ||
| Face detection focus | ||
| Contract detection focus | ||
| Phase detection focus | ||
| Number of focus points | - | 15 |
| Cross focus points | - | 3 |
| Lens | ||
| Lens mounting type | fixed lens | Sony/Minolta Alpha |
| Lens focal range | 26-130mm (5.0x) | - |
| Max aperture | f/3.5-6.3 | - |
| Macro focus distance | 20cm | - |
| Total lenses | - | 143 |
| Crop factor | 5.8 | 1.5 |
| Screen | ||
| Screen type | Fixed Type | Fully Articulated |
| Screen size | 2.5 inches | 3 inches |
| Resolution of screen | 230k dot | 921k dot |
| Selfie friendly | ||
| Liveview | ||
| Touch functionality | ||
| Screen tech | QVGA TFT LCD | Xtra Fine TFT drive with TruBlack technology |
| Viewfinder Information | ||
| Viewfinder type | None | Electronic |
| Viewfinder resolution | - | 1,440k dot |
| Viewfinder coverage | - | 100 percent |
| Viewfinder magnification | - | 0.7x |
| Features | ||
| Minimum shutter speed | 1/8 secs | 30 secs |
| Fastest shutter speed | 1/1400 secs | 1/4000 secs |
| Continuous shutter speed | - | 12.0 frames/s |
| Shutter priority | ||
| Aperture priority | ||
| Manually set exposure | ||
| Exposure compensation | - | Yes |
| Set white balance | ||
| Image stabilization | ||
| Built-in flash | ||
| Flash range | 4.10 m | 10.00 m (@ ISO 100) |
| Flash options | Auto, Auto Red-eye Reduction, Forced On, Forced Off | Auto, On, Off, Red-Eye, Slow Sync, High Speed Sync, Rear Curtain, Fill-in, Wireless |
| Hot shoe | ||
| AE bracketing | ||
| White balance bracketing | ||
| Fastest flash sync | - | 1/160 secs |
| Exposure | ||
| Multisegment exposure | ||
| Average exposure | ||
| Spot exposure | ||
| Partial exposure | ||
| AF area exposure | ||
| Center weighted exposure | ||
| Video features | ||
| Video resolutions | 1280 x 720, 640 x 480 | 1920 x 1080 (60p, 24p), 1440 x 1080 (30p), 640 x 480 (30 fps) |
| Max video resolution | 1280x720 | 1920x1080 |
| Video file format | - | MPEG-4, AVCHD, H.264 |
| Microphone input | ||
| Headphone input | ||
| Connectivity | ||
| Wireless | None | Eye-Fi Connected |
| Bluetooth | ||
| NFC | ||
| HDMI | ||
| USB | USB 2.0 (480 Mbit/sec) | USB 2.0 (480 Mbit/sec) |
| GPS | None | None |
| Physical | ||
| Environment seal | ||
| Water proof | ||
| Dust proof | ||
| Shock proof | ||
| Crush proof | ||
| Freeze proof | ||
| Weight | 91 grams (0.20 pounds) | 618 grams (1.36 pounds) |
| Dimensions | 87 x 54 x 21mm (3.4" x 2.1" x 0.8") | 132 x 98 x 81mm (5.2" x 3.9" x 3.2") |
| DXO scores | ||
| DXO Overall score | not tested | 75 |
| DXO Color Depth score | not tested | 23.4 |
| DXO Dynamic range score | not tested | 13.0 |
| DXO Low light score | not tested | 785 |
| Other | ||
| Battery life | 200 images | 550 images |
| Battery format | Battery Pack | Battery Pack |
| Battery model | D-LI109 | NP-FM500H |
| Self timer | Yes | Yes (2 or 10 sec) |
| Time lapse feature | ||
| Type of storage | SC/SDHC, Internal | SD/SDHC/SDXC/Memory Stick Pro Duo/ Pro-HG Duo |
| Storage slots | One | One |
| Launch price | $10 | $1,000 |
