Pentax K-x vs Sony A450
69 Imaging
52 Features
47 Overall
50
65 Imaging
54 Features
52 Overall
53
Pentax K-x vs Sony A450 Key Specs
(Full Review)
- 12MP - APS-C Sensor
- 2.7" Fixed Display
- ISO 100 - 6400 (Expand to 12800)
- Sensor based Image Stabilization
- 1/6000s Max Shutter
- 1280 x 720 video
- Pentax KAF2 Mount
- 580g - 123 x 92 x 68mm
- Released December 2009
(Full Review)
- 14MP - APS-C Sensor
- 2.7" Fixed Screen
- ISO 200 - 12800
- Sensor based Image Stabilization
- No Video
- Sony/Minolta Alpha Mount
- 560g - 137 x 104 x 81mm
- Announced January 2010
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In this write-up, we will be reviewing the Pentax K-x vs Sony A450, both Entry-Level DSLR digital cameras by competitors Pentax and Sony. The resolution of the K-x (12MP) and the A450 (14MP) is pretty well matched and they use the same exact sensor size (APS-C).
Apple Innovates by Creating Next-Level Optical Stabilization for iPhoneThe K-x was manufactured within a month of the A450 so they are both of a similar age. Each of these cameras offer the identical body type (Compact SLR).
Before getting straight into a thorough comparison, below is a short introduction of how the K-x matches up vs the A450 when it comes to portability, imaging, features and an overall rating.
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Following is a preview of the gallery images for Pentax K-x & Sony Alpha DSLR-A450. The entire galleries are provided at Pentax K-x Gallery & Sony A450 Gallery.
Reasons to pick Pentax K-x over the Sony A450
| K-x | A450 |
|---|
Reasons to pick Sony A450 over the Pentax K-x
| A450 | K-x |
|---|
Common features in the Pentax K-x and Sony A450
| K-x | A450 | |||
|---|---|---|---|---|
| Announced | December 2009 |  | January 2010 | Similar age |
| Manual focus |  | Very exact focusing | ||
| Screen type | Fixed |  | Fixed | Fixed screen |
| Screen sizing | 2.7" |  | 2.7" | Equivalent screen size |
| Screen resolution | 230k |  | 230k | The same screen resolution |
| Selfie screen |  | Missing selfie screen | ||
| Touch friendly screen |  | Neither comes with Touch friendly screen |
Pentax K-x vs Sony A450 Physical Comparison
In case you're planning to carry your camera, you'll need to factor its weight and size. The Pentax K-x comes with external dimensions of 123mm x 92mm x 68mm (4.8" x 3.6" x 2.7") accompanied by a weight of 580 grams (1.28 lbs) whilst the Sony A450 has specifications of 137mm x 104mm x 81mm (5.4" x 4.1" x 3.2") and a weight of 560 grams (1.23 lbs).
Analyze the Pentax K-x vs Sony A450 in our brand new Camera plus Lens Size Comparison Tool.
Remember that, the weight of an ILC will differ based on the lens you have chosen at the time. Following is the front view over all size comparison of the K-x against the A450.
Looking at size and weight, the portability score of the K-x and A450 is 69 and 65 respectively.
Pentax K-x vs Sony A450 Sensor Comparison
Usually, it is very tough to picture the contrast between sensor sizing simply by looking at specs. The photograph here will help provide you a stronger sense of the sensor dimensions in the K-x and A450.
As you can plainly see, both of the cameras enjoy the same exact sensor sizing albeit different megapixels. You can expect the Sony A450 to resolve more detail due to its extra 2MP. Higher resolution can also make it easier to crop photographs far more aggressively.
Pentax K-x vs Sony A450 Screen and ViewFinder
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Pentax K-x vs Sony A450 Specifications
| Pentax K-x | Sony Alpha DSLR-A450 | |
|---|---|---|
| General Information | ||
| Brand Name | Pentax | Sony |
| Model type | Pentax K-x | Sony Alpha DSLR-A450 |
| Category | Entry-Level DSLR | Entry-Level DSLR |
| Released | 2009-12-23 | 2010-01-05 |
| Body design | Compact SLR | Compact SLR |
| Sensor Information | ||
| Processor | Prime | Bionz |
| Sensor type | CMOS | CMOS |
| Sensor size | APS-C | APS-C |
| Sensor dimensions | 23.6 x 15.8mm | 23.4 x 15.6mm |
| Sensor surface area | 372.9mm² | 365.0mm² |
| Sensor resolution | 12MP | 14MP |
| Anti alias filter | ||
| Aspect ratio | 3:2 | 3:2 and 16:9 |
| Max resolution | 4288 x 2848 | 4592 x 3056 |
| Max native ISO | 6400 | 12800 |
| Max enhanced ISO | 12800 | - |
| Min native ISO | 100 | 200 |
| RAW images | ||
| Autofocusing | ||
| Manual focusing | ||
| Autofocus touch | ||
| Autofocus continuous | ||
| Single autofocus | ||
| Autofocus tracking | ||
| Selective autofocus | ||
| Autofocus center weighted | ||
| Multi area autofocus | ||
| Autofocus live view | ||
| Face detect autofocus | ||
| Contract detect autofocus | ||
| Phase detect autofocus | ||
| Total focus points | 11 | 9 |
| Lens | ||
| Lens mount type | Pentax KAF2 | Sony/Minolta Alpha |
| Available lenses | 151 | 143 |
| Focal length multiplier | 1.5 | 1.5 |
| Screen | ||
| Range of display | Fixed Type | Fixed Type |
| Display size | 2.7" | 2.7" |
| Resolution of display | 230 thousand dot | 230 thousand dot |
| Selfie friendly | ||
| Liveview | ||
| Touch functionality | ||
| Display technology | TFT LCD monitor | TFT Clear Photo Color LCD |
| Viewfinder Information | ||
| Viewfinder | Optical (pentamirror) | Optical (pentamirror) |
| Viewfinder coverage | 96% | 95% |
| Viewfinder magnification | 0.57x | 0.53x |
| Features | ||
| Minimum shutter speed | 30 secs | 30 secs |
| Fastest shutter speed | 1/6000 secs | 1/4000 secs |
| Continuous shutter speed | 5.0 frames per sec | 7.0 frames per sec |
| Shutter priority | ||
| Aperture priority | ||
| Manual exposure | ||
| Exposure compensation | Yes | Yes |
| Custom white balance | ||
| Image stabilization | ||
| Inbuilt flash | ||
| Flash distance | 16.00 m | 12.00 m (at ISO 100) |
| Flash options | Auto, On, Off, Red-Eye, Slow Sync, Rear curtain, Wireless | Auto, Fill, Rear Sync, Slow Sync, Wireless/ High Speed Sync |
| Hot shoe | ||
| AEB | ||
| White balance bracketing | ||
| Fastest flash sync | 1/180 secs | 1/160 secs |
| Exposure | ||
| Multisegment exposure | ||
| Average exposure | ||
| Spot exposure | ||
| Partial exposure | ||
| AF area exposure | ||
| Center weighted exposure | ||
| Video features | ||
| Supported video resolutions | 1280 x 720 (24 fps), 640 x 416 (24 fps) | - |
| Max video resolution | 1280x720 | None |
| Video file format | Motion JPEG | - |
| Mic jack | ||
| Headphone jack | ||
| Connectivity | ||
| Wireless | None | None |
| Bluetooth | ||
| NFC | ||
| HDMI | ||
| USB | USB 2.0 (480 Mbit/sec) | USB 2.0 (480 Mbit/sec) |
| GPS | None | None |
| Physical | ||
| Environmental seal | ||
| Water proofing | ||
| Dust proofing | ||
| Shock proofing | ||
| Crush proofing | ||
| Freeze proofing | ||
| Weight | 580g (1.28 lbs) | 560g (1.23 lbs) |
| Dimensions | 123 x 92 x 68mm (4.8" x 3.6" x 2.7") | 137 x 104 x 81mm (5.4" x 4.1" x 3.2") |
| DXO scores | ||
| DXO Overall rating | 72 | 66 |
| DXO Color Depth rating | 22.8 | 21.8 |
| DXO Dynamic range rating | 12.5 | 11.8 |
| DXO Low light rating | 811 | 769 |
| Other | ||
| Battery life | 1900 photos | 1050 photos |
| Battery form | Battery Pack | Battery Pack |
| Battery ID | 4 x AA | NP-FM500H |
| Self timer | Yes (2 or 12 sec) | Yes (2 or 10 sec) |
| Time lapse recording | ||
| Storage media | SD/SDHC card | SD/ SDHC, Memory Stick Pro Duo/ Pro-HG Duo |
| Storage slots | 1 | 1 |
| Pricing at release | $600 | $1,241 |