Pentax WG-3 vs Sony A57
90 Imaging
40 Features
44 Overall
41
64 Imaging
57 Features
85 Overall
68
Pentax WG-3 vs Sony A57 Key Specs
(Full Review)
- 16MP - 1/2.3" Sensor
- 3" Fixed Display
- ISO 125 - 6400
- Sensor-shift Image Stabilization
- 1920 x 1080 video
- 25-100mm (F2.0-4.9) lens
- 230g - 124 x 64 x 33mm
- Released July 2013
(Full Review)
Pentax 17 Pre-Orders Outperform Expectations by a Landslide Pentax WG-3 vs Sony A57 Overview
Lets look a bit more in depth at the Pentax WG-3 vs Sony A57, former is a Waterproof while the latter is a Entry-Level DSLR by competitors Pentax and Sony. The sensor resolution of the WG-3 (16MP) and the A57 (16MP) is pretty close but the WG-3 (1/2.3") and A57 (APS-C) use different sensor sizing.
Photobucket discusses licensing 13 billion images with AI firmsThe WG-3 was brought out 11 months after the A57 which means that they are of a similar age. Both of the cameras come with different body type with the Pentax WG-3 being a Compact camera and the Sony A57 being a Compact SLR camera.
Before diving through a more detailed comparison, below is a quick synopsis of how the WG-3 matches up against the A57 with regard to portability, imaging, features and an overall score.
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Following is a preview of the gallery images for Pentax WG-3 & Sony SLT-A57. The entire galleries are provided at Pentax WG-3 Gallery & Sony A57 Gallery.
Reasons to pick Pentax WG-3 over the Sony A57
| WG-3 | A57 | |||
|---|---|---|---|---|
| Released | July 2013 |  | September 2012 | More modern by 11 months |
Reasons to pick Sony A57 over the Pentax WG-3
| A57 | WG-3 | |||
|---|---|---|---|---|
| Screen type | Fully Articulated |  | Fixed | Fully Articulating screen |
| Screen resolution | 921k |  | 460k | Crisper screen (+461k dot) |
| Selfie screen |  | Easy selfies |
Common features in the Pentax WG-3 and Sony A57
| WG-3 | A57 | |||
|---|---|---|---|---|
| Manual focus |  | Dial precise focusing | ||
| Screen dimension | 3" |  | 3" | Identical screen measurement |
| Touch screen |  | Neither contains Touch screen |
Pentax WG-3 vs Sony A57 Physical Comparison
For anybody who is aiming to carry around your camera regularly, you're going to have to take into account its weight and proportions. The Pentax WG-3 has got outer dimensions of 124mm x 64mm x 33mm (4.9" x 2.5" x 1.3") with a weight of 230 grams (0.51 lbs) while the Sony A57 has measurements of 132mm x 98mm x 81mm (5.2" x 3.9" x 3.2") having a weight of 618 grams (1.36 lbs).
Check the Pentax WG-3 vs Sony A57 in our brand new Camera & Lens Size Comparison Tool.
Remember, the weight of an ILC will change dependant on the lens you are using at the time. Below is the front view over all size comparison of the WG-3 versus the A57.
Considering size and weight, the portability grade of the WG-3 and A57 is 90 and 64 respectively.
Pentax WG-3 vs Sony A57 Sensor Comparison
Generally, it can be hard to imagine the contrast in sensor sizes merely by looking through specifications. The image underneath will offer you a clearer sense of the sensor dimensions in the WG-3 and A57.
Plainly, both of these cameras have got the exact same MP albeit different sensor sizes. The WG-3 contains the smaller sensor which should make achieving shallower DOF harder. The fresher WG-3 should have an edge with regard to sensor technology.
Pentax WG-3 vs Sony A57 Screen and ViewFinder
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Pentax WG-3 vs Sony A57 Specifications
| Pentax WG-3 | Sony SLT-A57 | |
|---|---|---|
| General Information | ||
| Brand | Pentax | Sony |
| Model | Pentax WG-3 | Sony SLT-A57 |
| Category | Waterproof | Entry-Level DSLR |
| Released | 2013-07-19 | 2012-09-13 |
| Physical type | Compact | Compact SLR |
| Sensor Information | ||
| Sensor type | BSI-CMOS | CMOS |
| Sensor size | 1/2.3" | APS-C |
| Sensor dimensions | 6.17 x 4.55mm | 23.5 x 15.6mm |
| Sensor surface area | 28.1mm² | 366.6mm² |
| Sensor resolution | 16MP | 16MP |
| Anti aliasing filter | ||
| Aspect ratio | 1:1, 4:3 and 16:9 | 3:2 and 16:9 |
| Peak resolution | 4608 x 3456 | 4912 x 3264 |
| Highest native ISO | 6400 | 16000 |
| Highest enhanced ISO | - | 25600 |
| Lowest native ISO | 125 | 100 |
| RAW images | ||
| Autofocusing | ||
| Focus manually | ||
| Touch to focus | ||
| AF continuous | ||
| Single AF | ||
| AF tracking | ||
| AF selectice | ||
| AF center weighted | ||
| Multi area AF | ||
| Live view AF | ||
| Face detect AF | ||
| Contract detect AF | ||
| Phase detect AF | ||
| Number of focus points | 9 | 15 |
| Cross focus points | - | 3 |
| Lens | ||
| Lens mounting type | fixed lens | Sony/Minolta Alpha |
| Lens focal range | 25-100mm (4.0x) | - |
| Maximal aperture | f/2.0-4.9 | - |
| Macro focus range | 1cm | - |
| Available lenses | - | 143 |
| Focal length multiplier | 5.8 | 1.5 |
| Screen | ||
| Display type | Fixed Type | Fully Articulated |
| Display size | 3 inches | 3 inches |
| Resolution of display | 460 thousand dots | 921 thousand dots |
| Selfie friendly | ||
| Liveview | ||
| Touch screen | ||
| Display technology | Widescreen TFT color LCD with anti-reflective coating | Xtra Fine TFT drive with TruBlack technology |
| Viewfinder Information | ||
| Viewfinder type | None | Electronic |
| Viewfinder resolution | - | 1,440 thousand dots |
| Viewfinder coverage | - | 100% |
| Viewfinder magnification | - | 0.7x |
| Features | ||
| Minimum shutter speed | 4 secs | 30 secs |
| Fastest shutter speed | 1/4000 secs | 1/4000 secs |
| Continuous shutter rate | 10.0 frames per second | 12.0 frames per second |
| Shutter priority | ||
| Aperture priority | ||
| Expose Manually | ||
| Exposure compensation | - | Yes |
| Set WB | ||
| Image stabilization | ||
| Integrated flash | ||
| Flash range | 3.40 m | 10.00 m (@ ISO 100) |
| Flash options | Auto, On, Off, Red-eye, Soft | Auto, On, Off, Red-Eye, Slow Sync, High Speed Sync, Rear Curtain, Fill-in, Wireless |
| External flash | ||
| Auto exposure bracketing | ||
| WB bracketing | ||
| Fastest flash synchronize | - | 1/160 secs |
| Exposure | ||
| Multisegment | ||
| Average | ||
| Spot | ||
| Partial | ||
| AF area | ||
| Center weighted | ||
| Video features | ||
| Video resolutions | 1920 x 1080 (30 fps), 1280 x 720 (60, 30 fps) | 1920 x 1080 (60p, 24p), 1440 x 1080 (30p), 640 x 480 (30 fps) |
| Highest video resolution | 1920x1080 | 1920x1080 |
| Video file format | MPEG-4, H.264 | MPEG-4, AVCHD, H.264 |
| Mic support | ||
| Headphone support | ||
| Connectivity | ||
| Wireless | Eye-Fi Connected | Eye-Fi Connected |
| Bluetooth | ||
| NFC | ||
| HDMI | ||
| USB | USB 2.0 (480 Mbit/sec) | USB 2.0 (480 Mbit/sec) |
| GPS | None | None |
| Physical | ||
| Environmental sealing | ||
| Water proof | ||
| Dust proof | ||
| Shock proof | ||
| Crush proof | ||
| Freeze proof | ||
| Weight | 230 gr (0.51 lbs) | 618 gr (1.36 lbs) |
| Dimensions | 124 x 64 x 33mm (4.9" x 2.5" x 1.3") | 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 | 240 pictures | 550 pictures |
| Style of battery | Battery Pack | Battery Pack |
| Battery model | D-LI92 | NP-FM500H |
| Self timer | Yes (2 or 10 sec) | Yes (2 or 10 sec) |
| Time lapse shooting | ||
| Type of storage | SD/SDHC/SDXC card, Internal | SD/SDHC/SDXC/Memory Stick Pro Duo/ Pro-HG Duo |
| Card slots | One | One |
| Cost at release | $300 | $1,000 |