Pentax K-5 IIs vs Sony A100
60 Imaging
57 Features
83 Overall
67
64 Imaging
47 Features
38 Overall
43
Pentax K-5 IIs vs Sony A100 Key Specs
(Full Review)
- 16MP - APS-C Sensor
- 3" Fixed Display
- ISO 100 - 12800 (Push to 51200)
- Sensor based Image Stabilization
- No Anti-Alias Filter
- 1/8000s Maximum Shutter
- 1920 x 1080 video
- Pentax KAF2 Mount
- 760g - 131 x 97 x 73mm
- Introduced June 2013
- Succeeded the Pentax K-5
(Full Review)
- 10MP - APS-C Sensor
- 2.5" Fixed Screen
- ISO 100 - 1600
- Sensor based Image Stabilization
- No Video
- Sony/Minolta Alpha Mount
- 638g - 133 x 95 x 71mm
- Released July 2006
- Old Model is Konica Minolta 5D
- Newer Model is Sony A550
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Its time to look more closely at the Pentax K-5 IIs and Sony A100, one is a Advanced DSLR and the latter is a Entry-Level DSLR by companies Pentax and Sony. There exists a crucial gap among the sensor resolutions of the K-5 IIs (16MP) and A100 (10MP) but both cameras offer the same sensor sizing (APS-C).
Snapchat Adds Watermarks to AI-Created ImagesThe K-5 IIs was introduced 6 years after the A100 which is a fairly serious gap as far as camera technology is concerned. Each of the cameras have different body design with the Pentax K-5 IIs being a Mid-size SLR camera and the Sony A100 being a Compact SLR camera.
Before getting into a full comparison, here is a brief overview of how the K-5 IIs grades against the A100 in regards to portability, imaging, features and an overall score.
Photography Glossary Pentax K-5 IIs vs Sony A100 Gallery
The following is a preview of the gallery photos for Pentax K-5 IIs and Sony Alpha DSLR-A100. The whole galleries are available at Pentax K-5 IIs Gallery and Sony A100 Gallery.
Reasons to pick Pentax K-5 IIs over the Sony A100
| K-5 IIs | A100 | |||
|---|---|---|---|---|
| Released | June 2013 | July 2006 | More modern by 84 months | |
| Screen dimensions | 3" | 2.5" | Bigger screen (+0.5") | |
| Screen resolution | 921k | 230k | Crisper screen (+691k dot) |
Reasons to pick Sony A100 over the Pentax K-5 IIs
| A100 | K-5 IIs |
|---|
Common features in the Pentax K-5 IIs and Sony A100
| K-5 IIs | A100 | |||
|---|---|---|---|---|
| Manual focus | More exact focus | |||
| Screen type | Fixed | Fixed | Fixed screen | |
| Selfie screen | Neither offers selfie screen | |||
| Touch screen | Neither offers Touch screen |
Pentax K-5 IIs vs Sony A100 Physical Comparison
For anybody who is planning to carry around your camera regularly, you'll have to factor in its weight and size. The Pentax K-5 IIs offers outer dimensions of 131mm x 97mm x 73mm (5.2" x 3.8" x 2.9") and a weight of 760 grams (1.68 lbs) whilst the Sony A100 has specifications of 133mm x 95mm x 71mm (5.2" x 3.7" x 2.8") accompanied by a weight of 638 grams (1.41 lbs).
Examine the Pentax K-5 IIs and Sony A100 in the all new Camera and Lens Size Comparison Tool.
Take into consideration, the weight of an Interchangeable Lens Camera will differ dependant on the lens you have during that time. Here is a front view sizing comparison of the K-5 IIs against the A100.

Looking at dimensions and weight, the portability grade of the K-5 IIs and A100 is 60 and 64 respectively.
Pentax K-5 IIs vs Sony A100 Sensor Comparison
More often than not, it is very hard to envision the contrast in sensor sizes merely by going through specifications. The pic below will offer you a better sense of the sensor sizes in the K-5 IIs and A100.
Plainly, both of the cameras provide the same sensor dimensions albeit not the same MP. You should count on the Pentax K-5 IIs to produce greater detail using its extra 6MP. Higher resolution can also enable you to crop photographs more aggressively. The more recent K-5 IIs is going to have an edge when it comes to sensor innovation.
Pentax K-5 IIs vs Sony A100 Screen and ViewFinder
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Pentax K-5 IIs vs Sony A100 Specifications
| Pentax K-5 IIs | Sony Alpha DSLR-A100 | |
|---|---|---|
| General Information | ||
| Make | Pentax | Sony |
| Model | Pentax K-5 IIs | Sony Alpha DSLR-A100 |
| Class | Advanced DSLR | Entry-Level DSLR |
| Introduced | 2013-06-04 | 2006-07-31 |
| Body design | Mid-size SLR | Compact SLR |
| Sensor Information | ||
| Processor | Prime II | - |
| Sensor type | CMOS | CCD |
| Sensor size | APS-C | APS-C |
| Sensor measurements | 23.7 x 15.7mm | 23.6 x 15.8mm |
| Sensor area | 372.1mm² | 372.9mm² |
| Sensor resolution | 16 megapixels | 10 megapixels |
| Anti aliasing filter | ||
| Aspect ratio | 3:2 | 3:2 |
| Full resolution | 4928 x 3264 | 3872 x 2592 |
| Max native ISO | 12800 | 1600 |
| Max boosted ISO | 51200 | - |
| Minimum native ISO | 100 | 100 |
| RAW files | ||
| Minimum boosted ISO | 80 | - |
| Autofocusing | ||
| Manual focus | ||
| AF touch | ||
| Continuous AF | ||
| Single AF | ||
| AF tracking | ||
| Selective AF | ||
| Center weighted AF | ||
| AF multi area | ||
| AF live view | ||
| Face detect focusing | ||
| Contract detect focusing | ||
| Phase detect focusing | ||
| Number of focus points | 11 | 9 |
| Cross focus points | 9 | - |
| Lens | ||
| Lens mount | 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 | 3 inch | 2.5 inch |
| Display resolution | 921k dot | 230k dot |
| Selfie friendly | ||
| Liveview | ||
| Touch display | ||
| Display tech | TFT LCD monitor | - |
| Viewfinder Information | ||
| Viewfinder | Optical (pentaprism) | Optical (pentamirror) |
| Viewfinder coverage | 100 percent | 95 percent |
| Viewfinder magnification | 0.61x | 0.55x |
| Features | ||
| Lowest shutter speed | 30 seconds | 30 seconds |
| Highest shutter speed | 1/8000 seconds | 1/4000 seconds |
| Continuous shooting speed | 7.0fps | 3.0fps |
| Shutter priority | ||
| Aperture priority | ||
| Manual exposure | ||
| Exposure compensation | Yes | Yes |
| Set WB | ||
| Image stabilization | ||
| Inbuilt flash | ||
| Flash range | 13.00 m (at ISO 100) | - |
| Flash options | Auto, On, Off, Red-eye, Slow sync, High speed, Rear curtain and Wireless | Auto, Fill-in, Red-Eye reduction, Slow Sync, Off |
| External flash | ||
| AE bracketing | ||
| White balance bracketing | ||
| Highest flash sync | 1/180 seconds | 1/160 seconds |
| Exposure | ||
| Multisegment metering | ||
| Average metering | ||
| Spot metering | ||
| Partial metering | ||
| AF area metering | ||
| Center weighted metering | ||
| Video features | ||
| Video resolutions | 1920 x 1080 (25 fps), 1280 x 720 (25, 30 fps), 640 x 480 (25, 30 fps) | - |
| Max video resolution | 1920x1080 | 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 | Optional | None |
| Physical | ||
| Environmental seal | ||
| Water proof | ||
| Dust proof | ||
| Shock proof | ||
| Crush proof | ||
| Freeze proof | ||
| Weight | 760 grams (1.68 pounds) | 638 grams (1.41 pounds) |
| Physical dimensions | 131 x 97 x 73mm (5.2" x 3.8" x 2.9") | 133 x 95 x 71mm (5.2" x 3.7" x 2.8") |
| DXO scores | ||
| DXO All around score | 82 | 61 |
| DXO Color Depth score | 23.9 | 22.0 |
| DXO Dynamic range score | 14.1 | 11.2 |
| DXO Low light score | 1208 | 476 |
| Other | ||
| Battery life | 980 pictures | - |
| Battery format | Battery Pack | - |
| Battery model | D-LI90 | NP-FM55H |
| Self timer | Yes ( 2 or 12 seconds) | Yes (2 or 10 sec) |
| Time lapse feature | ||
| Type of storage | SD/SDHC/SDXC | Compact Flash (Type I or II) |
| Storage slots | Single | Single |
| Retail price | $749 | $1,000 |