Pentax K-x vs Sony A100
69 Imaging
52 Features
47 Overall
50
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64 Imaging
48 Features
38 Overall
44
Pentax K-x vs Sony A100 Key Specs
(Full Review)
- 12MP - APS-C Sensor
- 2.7" Fixed Screen
- ISO 100 - 6400 (Expand to 12800)
- Sensor based Image Stabilization
- 1/6000s Maximum Shutter
- 1280 x 720 video
- Pentax KAF2 Mount
- 580g - 123 x 92 x 68mm
- Revealed December 2009
(Full Review)
- 10MP - APS-C Sensor
- 2.5" Fixed Display
- ISO 100 - 1600
- Sensor based Image Stabilization
- No Video
- Sony/Minolta Alpha Mount
- 638g - 133 x 95 x 71mm
- Announced July 2006
- Old Model is Konica Minolta 5D
- Replacement is Sony A550
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Pentax K-x vs Sony A100 Overview
In this article, we are analyzing the Pentax K-x versus Sony A100, both Entry-Level DSLR cameras by companies Pentax and Sony. The image resolution of the K-x (12MP) and the A100 (10MP) is fairly close and they possess the same exact sensor measurements (APS-C).
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The K-x was revealed 3 years after the A100 which is a fairly sizable gap as far as camera tech is concerned. Both cameras offer the identical body type (Compact SLR).
Before going in to a complete comparison, below is a brief introduction of how the K-x matches up versus the A100 in the way of portability, imaging, features and an overall score.
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Pentax K-x vs Sony A100 Gallery
Following is a sample of the gallery pictures for Pentax K-x and Sony Alpha DSLR-A100. The full galleries are available at Pentax K-x Gallery and Sony A100 Gallery.
Reasons to pick Pentax K-x over the Sony A100
K-x | A100 | |||
---|---|---|---|---|
Announced | December 2009 | ![]() | July 2006 | More modern by 42 months |
Display sizing | 2.7" | ![]() | 2.5" | Larger display (+0.2") |
Reasons to pick Sony A100 over the Pentax K-x
A100 | K-x |
---|
Common features in the Pentax K-x and Sony A100
K-x | A100 | |||
---|---|---|---|---|
Focus manually | ![]() | Dial accurate focus | ||
Display type | Fixed | ![]() | Fixed | Fixed display |
Display resolution | 230k | ![]() | 230k | Same display resolution |
Selfie screen | ![]() | Neither includes selfie screen | ||
Touch display | ![]() | Neither includes Touch display |
Pentax K-x vs Sony A100 Physical Comparison
For those who are aiming to carry around your camera frequently, you will want to think about its weight and volume. The Pentax K-x features external dimensions of 123mm x 92mm x 68mm (4.8" x 3.6" x 2.7") having a weight of 580 grams (1.28 lbs) and the Sony A100 has sizing of 133mm x 95mm x 71mm (5.2" x 3.7" x 2.8") accompanied by a weight of 638 grams (1.41 lbs).
Check out the Pentax K-x versus Sony A100 in the all new Camera with Lens Size Comparison Tool.
Remember, the weight of an Interchangeable Lens Camera will change dependant on the lens you use at the time. The following is the front view sizing comparison of the K-x vs the A100.
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Taking into consideration size and weight, the portability score of the K-x and A100 is 69 and 64 respectively.
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Pentax K-x vs Sony A100 Sensor Comparison
Generally, it can be tough to see the difference in sensor sizes merely by researching specifications. The picture underneath will provide you a better sense of the sensor sizes in the K-x and A100.
Plainly, each of these cameras offer the same exact sensor sizing but not the same MP. You should anticipate the Pentax K-x to provide you with extra detail because of its extra 2 Megapixels. Greater resolution will let you crop pics a little more aggressively. The more modern K-x will have a benefit when it comes to sensor innovation.
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Pentax K-x vs Sony A100 Screen and ViewFinder
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Photography Type Scores
Portrait Comparison
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Street Comparison
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Sports Comparison
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Travel Comparison
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Landscape Comparison
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Vlogging Comparison
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Pentax K-x vs Sony A100 Specifications
Pentax K-x | Sony Alpha DSLR-A100 | |
---|---|---|
General Information | ||
Brand | Pentax | Sony |
Model type | Pentax K-x | Sony Alpha DSLR-A100 |
Type | Entry-Level DSLR | Entry-Level DSLR |
Revealed | 2009-12-23 | 2006-07-31 |
Body design | Compact SLR | Compact SLR |
Sensor Information | ||
Chip | Prime | - |
Sensor type | CMOS | CCD |
Sensor size | APS-C | APS-C |
Sensor measurements | 23.6 x 15.8mm | 23.6 x 15.8mm |
Sensor area | 372.9mm² | 372.9mm² |
Sensor resolution | 12MP | 10MP |
Anti alias filter | ||
Aspect ratio | 3:2 | 3:2 |
Highest Possible resolution | 4288 x 2848 | 3872 x 2592 |
Maximum native ISO | 6400 | 1600 |
Maximum enhanced ISO | 12800 | - |
Min native ISO | 100 | 100 |
RAW support | ||
Autofocusing | ||
Focus manually | ||
Touch to focus | ||
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 | ||
Total focus points | 11 | 9 |
Lens | ||
Lens support | Pentax KAF2 | Sony/Minolta Alpha |
Amount of lenses | 151 | 143 |
Focal length multiplier | 1.5 | 1.5 |
Screen | ||
Screen type | Fixed Type | Fixed Type |
Screen size | 2.7 inches | 2.5 inches |
Resolution of screen | 230 thousand dot | 230 thousand dot |
Selfie friendly | ||
Liveview | ||
Touch function | ||
Screen tech | TFT LCD monitor | - |
Viewfinder Information | ||
Viewfinder type | Optical (pentamirror) | Optical (pentamirror) |
Viewfinder coverage | 96% | 95% |
Viewfinder magnification | 0.57x | 0.55x |
Features | ||
Min shutter speed | 30 secs | 30 secs |
Max shutter speed | 1/6000 secs | 1/4000 secs |
Continuous shutter speed | 5.0fps | 3.0fps |
Shutter priority | ||
Aperture priority | ||
Manual exposure | ||
Exposure compensation | Yes | Yes |
Set white balance | ||
Image stabilization | ||
Inbuilt flash | ||
Flash distance | 16.00 m | - |
Flash settings | Auto, On, Off, Red-Eye, Slow Sync, Rear curtain, Wireless | Auto, Fill-in, Red-Eye reduction, Slow Sync, Off |
External flash | ||
Auto exposure bracketing | ||
WB bracketing | ||
Max 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 | ||
Video resolutions | 1280 x 720 (24 fps), 640 x 416 (24 fps) | - |
Maximum video resolution | 1280x720 | None |
Video 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 | ||
Environmental seal | ||
Water proofing | ||
Dust proofing | ||
Shock proofing | ||
Crush proofing | ||
Freeze proofing | ||
Weight | 580 gr (1.28 lb) | 638 gr (1.41 lb) |
Dimensions | 123 x 92 x 68mm (4.8" x 3.6" x 2.7") | 133 x 95 x 71mm (5.2" x 3.7" x 2.8") |
DXO scores | ||
DXO Overall rating | 72 | 61 |
DXO Color Depth rating | 22.8 | 22.0 |
DXO Dynamic range rating | 12.5 | 11.2 |
DXO Low light rating | 811 | 476 |
Other | ||
Battery life | 1900 pictures | - |
Battery format | Battery Pack | - |
Battery ID | 4 x AA | NP-FM55H |
Self timer | Yes (2 or 12 sec) | Yes (2 or 10 sec) |
Time lapse feature | ||
Type of storage | SD/SDHC card | Compact Flash (Type I or II) |
Storage slots | Single | Single |
Launch pricing | $600 | $1,000 |