Pentax K-7 vs Sony A230
60 Imaging
54 Features
69 Overall
60
69 Imaging
50 Features
40 Overall
46
Pentax K-7 vs Sony A230 Key Specs
(Full Review)
- 15MP - APS-C Sensor
- 3" Fixed Screen
- ISO 100 - 2000 (Boost to 6400)
- Sensor based Image Stabilization
- 1/8000s Max Shutter
- 1280 x 720 video
- Pentax KAF2 Mount
- 750g - 131 x 97 x 73mm
- Revealed October 2009
- Renewed by Pentax K-5
(Full Review)
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Following is a thorough comparison of the Pentax K-7 and Sony A230, former is a Advanced DSLR while the other is a Entry-Level DSLR by companies Pentax and Sony. There is a substantial difference among the image resolutions of the K-7 (15MP) and A230 (10MP) but they possess the same exact sensor sizes (APS-C).
Snapchat Adds Watermarks to AI-Created ImagesThe K-7 was announced 5 months after the A230 which means that they are of a similar age. Both of the cameras offer different body type with the Pentax K-7 being a Mid-size SLR camera and the Sony A230 being a Compact SLR camera.
Before delving in to a comprehensive comparison, below is a simple view of how the K-7 scores vs the A230 with regards to portability, imaging, features and an overall score.
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This is a sample of the gallery pictures for Pentax K-7 & Sony Alpha DSLR-A230. The whole galleries are available at Pentax K-7 Gallery & Sony A230 Gallery.
Reasons to pick Pentax K-7 over the Sony A230
| K-7 | A230 | |||
|---|---|---|---|---|
| Display sizing | 3" |  | 2.7" | Larger display (+0.3") |
| Display resolution | 921k |  | 230k | Crisper display (+691k dot) |
Reasons to pick Sony A230 over the Pentax K-7
| A230 | K-7 |
|---|
Common features in the Pentax K-7 and Sony A230
| K-7 | A230 | |||
|---|---|---|---|---|
| Announced | October 2009 |  | May 2009 | Same age |
| Focus manually |  | Very exact focus | ||
| Display type | Fixed |  | Fixed | Fixed display |
| Selfie screen |  | Missing selfie screen | ||
| Touch friendly display |  | Missing Touch friendly display |
Pentax K-7 vs Sony A230 Physical Comparison
If you are aiming to carry around your camera often, you should factor in its weight and measurements. The Pentax K-7 provides outside dimensions of 131mm x 97mm x 73mm (5.2" x 3.8" x 2.9") and a weight of 750 grams (1.65 lbs) and the Sony A230 has proportions of 128mm x 97mm x 68mm (5.0" x 3.8" x 2.7") and a weight of 490 grams (1.08 lbs).
Take a look at the Pentax K-7 and Sony A230 in our brand new Camera & Lens Size Comparison Tool.
Don't forget, the weight of an ILC will vary dependant on the lens you have chosen at that time. Underneath is the front view physical size comparison of the K-7 against the A230.
Using size and weight, the portability rating of the K-7 and A230 is 60 and 69 respectively.
Pentax K-7 vs Sony A230 Sensor Comparison
Often, it is very hard to visualise the difference in sensor sizes purely by going through specs. The pic here may provide you a more clear sense of the sensor dimensions in the K-7 and A230.
All in all, each of the cameras offer the same exact sensor sizing but not the same megapixels. You can anticipate the Pentax K-7 to produce more detail with its extra 5MP. Greater resolution can also enable you to crop pics a little more aggressively.
Pentax K-7 vs Sony A230 Screen and ViewFinder
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Pentax K-7 vs Sony A230 Specifications
| Pentax K-7 | Sony Alpha DSLR-A230 | |
|---|---|---|
| General Information | ||
| Manufacturer | Pentax | Sony |
| Model type | Pentax K-7 | Sony Alpha DSLR-A230 |
| Category | Advanced DSLR | Entry-Level DSLR |
| Revealed | 2009-10-02 | 2009-05-18 |
| Body design | Mid-size SLR | Compact SLR |
| Sensor Information | ||
| Powered by | Prime II | Bionz |
| Sensor type | CMOS | CCD |
| Sensor size | APS-C | APS-C |
| Sensor measurements | 23.4 x 15.6mm | 23.5 x 15.7mm |
| Sensor area | 365.0mm² | 369.0mm² |
| Sensor resolution | 15 megapixels | 10 megapixels |
| Anti alias filter | ||
| Aspect ratio | 3:2 | 3:2 and 16:9 |
| Highest resolution | 4672 x 3104 | 3872 x 2592 |
| Highest native ISO | 2000 | 3200 |
| Highest boosted ISO | 6400 | - |
| Min native ISO | 100 | 100 |
| RAW support | ||
| Autofocusing | ||
| Manual focusing | ||
| Touch focus | ||
| Continuous autofocus | ||
| Autofocus single | ||
| Autofocus tracking | ||
| Selective autofocus | ||
| Autofocus center weighted | ||
| Autofocus multi area | ||
| Autofocus live view | ||
| Face detection autofocus | ||
| Contract detection autofocus | ||
| Phase detection autofocus | ||
| Total focus points | 11 | 9 |
| Lens | ||
| Lens mount type | Pentax KAF2 | Sony/Minolta Alpha |
| Number of lenses | 151 | 143 |
| Crop factor | 1.5 | 1.5 |
| Screen | ||
| Range of screen | Fixed Type | Fixed Type |
| Screen sizing | 3" | 2.7" |
| Screen resolution | 921 thousand dot | 230 thousand dot |
| Selfie friendly | ||
| Liveview | ||
| Touch display | ||
| Screen tech | TFT color LCD with AR coating | - |
| Viewfinder Information | ||
| Viewfinder | Optical (pentaprism) | Optical (pentamirror) |
| Viewfinder coverage | 100% | 95% |
| Viewfinder magnification | 0.61x | 0.55x |
| Features | ||
| Lowest shutter speed | 30s | 30s |
| Highest shutter speed | 1/8000s | 1/4000s |
| Continuous shooting speed | 5.0 frames/s | 3.0 frames/s |
| Shutter priority | ||
| Aperture priority | ||
| Expose Manually | ||
| Exposure compensation | Yes | Yes |
| Change white balance | ||
| Image stabilization | ||
| Integrated flash | ||
| Flash distance | 13.00 m | 10.00 m |
| Flash modes | Auto, On, Off, Red-eye, Slow Sync, Rear Curtain, Wireless | Auto, On, Off, Red-Eye, Slow Sync, Rear Curtain, Wireless |
| External flash | ||
| AEB | ||
| WB bracketing | ||
| Highest flash sync | 1/180s | 1/160s |
| Exposure | ||
| Multisegment | ||
| Average | ||
| Spot | ||
| Partial | ||
| AF area | ||
| Center weighted | ||
| Video features | ||
| Supported video resolutions | 1280 x 720 (30 fps), 1536 x 1024 (30 fps), 640 x 480 (30 fps), 320 x 240 (30 fps) | - |
| Highest video resolution | 1280x720 | None |
| Video file format | Motion JPEG | - |
| Microphone input | ||
| Headphone input | ||
| Connectivity | ||
| Wireless | None | None |
| Bluetooth | ||
| NFC | ||
| HDMI | ||
| USB | USB 2.0 (480 Mbit/sec) | USB 2.0 (480 Mbit/sec) |
| GPS | None | None |
| Physical | ||
| Environment seal | ||
| Water proofing | ||
| Dust proofing | ||
| Shock proofing | ||
| Crush proofing | ||
| Freeze proofing | ||
| Weight | 750g (1.65 lb) | 490g (1.08 lb) |
| Dimensions | 131 x 97 x 73mm (5.2" x 3.8" x 2.9") | 128 x 97 x 68mm (5.0" x 3.8" x 2.7") |
| DXO scores | ||
| DXO All around rating | 61 | 63 |
| DXO Color Depth rating | 22.6 | 22.3 |
| DXO Dynamic range rating | 10.6 | 11.4 |
| DXO Low light rating | 536 | 531 |
| Other | ||
| Battery life | 980 photographs | 230 photographs |
| Battery format | Battery Pack | Battery Pack |
| Battery ID | D-LI90 | NP-FH50 |
| Self timer | Yes (2 or 10 sec) | Yes (2 or 10 sec) |
| Time lapse recording | ||
| Storage media | SD/SDHC/MMC | SD/ SDHC, Memory Stick Pro Duo |
| Storage slots | 1 | 1 |
| Launch price | $599 | $569 |