Pentax K-r vs Sony A550
67 Imaging
53 Features
52 Overall
52
63 Imaging
54 Features
65 Overall
58
Pentax K-r vs Sony A550 Key Specs
(Full Review)
- 12MP - APS-C Sensor
- 3" Fixed Display
- ISO 200 - 12800 (Raise to 25600)
- Sensor based Image Stabilization
- 1/6000s Maximum Shutter
- 1280 x 720 video
- Pentax KAF2 Mount
- 598g - 125 x 97 x 68mm
- Launched March 2011
(Full Review)
- 14MP - APS-C Sensor
- 3" Tilting Display
- ISO 200 - 12800
- Sensor based Image Stabilization
- No Video
- Sony/Minolta Alpha Mount
- 632g - 137 x 104 x 84mm
- Revealed December 2009
- Replaced the Sony A100
Japan-exclusive Leica Leitz Phone 3 features big sensor and new modes Pentax K-r vs Sony A550 Overview
Below, we are reviewing the Pentax K-r and Sony A550, both Entry-Level DSLR digital cameras by companies Pentax and Sony. The resolution of the K-r (12MP) and the A550 (14MP) is fairly similar and they possess the exact same sensor dimensions (APS-C).
Photography GlossaryThe K-r was released 16 months later than the A550 making the cameras a generation apart from each other. Both the cameras come with the identical body type (Compact SLR).
Before delving in to a full comparison, below is a concise introduction of how the K-r grades versus the A550 when it comes to portability, imaging, features and an overall rating.
Pentax 17 Pre-Orders Outperform Expectations by a Landslide Pentax K-r vs Sony A550 Gallery
The following is a sample of the gallery pictures for Pentax K-r & Sony Alpha DSLR-A550. The complete galleries are provided at Pentax K-r Gallery & Sony A550 Gallery.
Reasons to pick Pentax K-r over the Sony A550
| K-r | A550 | |||
|---|---|---|---|---|
| Revealed | March 2011 |  | December 2009 | Fresher by 16 months |
Reasons to pick Sony A550 over the Pentax K-r
| A550 | K-r | |||
|---|---|---|---|---|
| Display type | Tilting |  | Fixed | Tilting display |
| Display resolution | 922k |  | 921k | Crisper display (+1k dot) |
Common features in the Pentax K-r and Sony A550
| K-r | A550 | |||
|---|---|---|---|---|
| Focus manually |  | Dial precise focusing | ||
| Display dimension | 3" |  | 3" | Identical display sizing |
| Selfie screen |  | Neither contains selfie screen | ||
| Touch display |  | Neither contains Touch display |
Pentax K-r vs Sony A550 Physical Comparison
If you're planning to carry your camera often, you're going to have to think about its weight and dimensions. The Pentax K-r has got exterior measurements of 125mm x 97mm x 68mm (4.9" x 3.8" x 2.7") and a weight of 598 grams (1.32 lbs) and the Sony A550 has dimensions of 137mm x 104mm x 84mm (5.4" x 4.1" x 3.3") and a weight of 632 grams (1.39 lbs).
Take a look at the Pentax K-r and Sony A550 in our newest Camera plus Lens Size Comparison Tool.
Take into account, the weight of an ILC will change dependant on the lens you are utilizing at the time. Here is the front view size comparison of the K-r vs the A550.
Considering size and weight, the portability grade of the K-r and A550 is 67 and 63 respectively.
Pentax K-r vs Sony A550 Sensor Comparison
In many cases, it is tough to imagine the gap between sensor sizing purely by going over specifications. The photograph underneath should provide you a more clear sense of the sensor measurements in the K-r and A550.
Plainly, both of the cameras have got the exact same sensor measurements but different resolution. You can anticipate the Sony A550 to deliver more detail as a result of its extra 2MP. Greater resolution can also enable you to crop photos much more aggressively. The more recent K-r should have an edge with regard to sensor tech.
Pentax K-r vs Sony A550 Screen and ViewFinder
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Pentax K-r vs Sony A550 Specifications
| Pentax K-r | Sony Alpha DSLR-A550 | |
|---|---|---|
| General Information | ||
| Make | Pentax | Sony |
| Model | Pentax K-r | Sony Alpha DSLR-A550 |
| Category | Entry-Level DSLR | Entry-Level DSLR |
| Launched | 2011-03-11 | 2009-12-09 |
| Physical type | Compact SLR | Compact SLR |
| Sensor Information | ||
| Powered by | Prime II | Bionz |
| Sensor type | CMOS | CMOS |
| Sensor size | APS-C | APS-C |
| Sensor dimensions | 23.6 x 15.8mm | 23.4 x 15.6mm |
| Sensor area | 372.9mm² | 365.0mm² |
| Sensor resolution | 12 megapixel | 14 megapixel |
| Anti aliasing filter | ||
| Aspect ratio | 3:2 | 3:2 and 16:9 |
| Highest Possible resolution | 4288 x 2848 | 4592 x 3056 |
| Maximum native ISO | 12800 | 12800 |
| Maximum enhanced ISO | 25600 | - |
| Lowest native ISO | 200 | 200 |
| RAW data | ||
| Lowest enhanced ISO | 100 | - |
| Autofocusing | ||
| Manual focus | ||
| Touch to focus | ||
| Autofocus continuous | ||
| Single autofocus | ||
| Autofocus tracking | ||
| Selective autofocus | ||
| Autofocus center weighted | ||
| Multi area autofocus | ||
| Autofocus live view | ||
| Face detect focus | ||
| Contract detect focus | ||
| Phase detect focus | ||
| Number of focus points | 11 | 9 |
| Cross focus points | 9 | - |
| Lens | ||
| Lens mount | Pentax KAF2 | Sony/Minolta Alpha |
| Number of lenses | 151 | 143 |
| Crop factor | 1.5 | 1.5 |
| Screen | ||
| Type of display | Fixed Type | Tilting |
| Display diagonal | 3" | 3" |
| Resolution of display | 921k dots | 922k dots |
| Selfie friendly | ||
| Liveview | ||
| Touch screen | ||
| Display technology | TFT LCD monitor | - |
| Viewfinder Information | ||
| Viewfinder type | Optical (pentamirror) | Optical (pentamirror) |
| Viewfinder coverage | 96 percent | 95 percent |
| Viewfinder magnification | 0.57x | 0.53x |
| Features | ||
| Min shutter speed | 30 secs | 30 secs |
| Max shutter speed | 1/6000 secs | 1/4000 secs |
| Continuous shutter rate | 6.0 frames per second | 7.0 frames per second |
| Shutter priority | ||
| Aperture priority | ||
| Expose Manually | ||
| Exposure compensation | Yes | Yes |
| Set white balance | ||
| Image stabilization | ||
| Inbuilt flash | ||
| Flash range | 12.00 m (at ISO 100) | 12.00 m |
| Flash settings | Auto, Red-eye Reduction, Slow-speed Sync, Trailing Curtain Sync, High-Speed Sync and Wireless Sync | Auto, On, Off, Red-Eye, Slow Sync, High Speed Sync, Rear Curtain, Fill-in, Wireless |
| External flash | ||
| AEB | ||
| White balance bracketing | ||
| Max flash synchronize | 1/180 secs | 1/160 secs |
| Exposure | ||
| Multisegment | ||
| Average | ||
| Spot | ||
| Partial | ||
| AF area | ||
| Center weighted | ||
| Video features | ||
| Supported video resolutions | 1280 x 720 (25 fps), 640 x 480 (25 fps) | - |
| Maximum video resolution | 1280x720 | None |
| Video file format | Motion JPEG | - |
| Mic support | ||
| Headphone support | ||
| Connectivity | ||
| Wireless | None | None |
| Bluetooth | ||
| NFC | ||
| HDMI | ||
| USB | USB 2.0 (480 Mbit/sec) | USB 2.0 (480 Mbit/sec) |
| GPS | Optional | None |
| Physical | ||
| Environment sealing | ||
| Water proof | ||
| Dust proof | ||
| Shock proof | ||
| Crush proof | ||
| Freeze proof | ||
| Weight | 598g (1.32 lb) | 632g (1.39 lb) |
| Dimensions | 125 x 97 x 68mm (4.9" x 3.8" x 2.7") | 137 x 104 x 84mm (5.4" x 4.1" x 3.3") |
| DXO scores | ||
| DXO Overall score | 72 | 66 |
| DXO Color Depth score | 22.9 | 21.9 |
| DXO Dynamic range score | 12.4 | 11.8 |
| DXO Low light score | 755 | 807 |
| Other | ||
| Battery life | 470 pictures | 480 pictures |
| Form of battery | Battery Pack | Battery Pack |
| Battery model | D-LI109,4 x AA | NP-FM500H |
| Self timer | Yes (2 or 12 sec) | Yes (2 or 10 sec) |
| Time lapse feature | ||
| Storage type | SD/SDHC | SD/ SDHC, Memory Stick Pro Duo/ Pro-HG Duo |
| Card slots | Single | Single |
| Retail pricing | $1,100 | $749 |