Pentax ist DS2 vs Sony A100
68 Imaging
44 Features
33 Overall
39


64 Imaging
48 Features
38 Overall
44
Pentax ist DS2 vs Sony A100 Key Specs
(Full Review)
- 6MP - APS-C Sensor
- 2.5" Fixed Screen
- ISO 200 - 3200
- Pentax KAF Mount
- 605g - 125 x 93 x 66mm
- Revealed August 2005
(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
- Revealed July 2006
- Superseded the Konica Minolta 5D
- Refreshed by Sony A550

Pentax ist DS2 vs Sony A100 Overview
The following is a thorough analysis of the Pentax ist DS2 vs Sony A100, former is a Advanced DSLR while the other is a Entry-Level DSLR by manufacturers Pentax and Sony. There is a substantial difference among the resolutions of the ist DS2 (6MP) and A100 (10MP) but both cameras posses the same sensor sizing (APS-C).

The ist DS2 was released 11 months prior to the A100 which means that they are of a similar age. Both cameras have different body design with the Pentax ist DS2 being a Mid-size SLR camera and the Sony A100 being a Compact SLR camera.
Before getting right into a in depth comparison, here is a quick overview of how the ist DS2 matches up vs the A100 in the way of portability, imaging, features and an overall mark.

Pentax ist DS2 vs Sony A100 Gallery
The following is a sample of the gallery pics for Pentax ist DS2 & Sony Alpha DSLR-A100. The complete galleries are provided at Pentax ist DS2 Gallery & Sony A100 Gallery.
Reasons to pick Pentax ist DS2 over the Sony A100
ist DS2 | A100 |
---|
Reasons to pick Sony A100 over the Pentax ist DS2
A100 | ist DS2 | |||
---|---|---|---|---|
Revealed | July 2006 | ![]() | August 2005 | Newer by 11 months |
Display resolution | 230k | ![]() | 210k | Sharper display (+20k dot) |
Common features in the Pentax ist DS2 and Sony A100
ist DS2 | A100 | |||
---|---|---|---|---|
Manually focus | ![]() | More exact focusing | ||
Display type | Fixed | ![]() | Fixed | Fixed display |
Display dimensions | 2.5" | ![]() | 2.5" | Equal display measurement |
Selfie screen | ![]() | Neither features selfie screen | ||
Touch friendly display | ![]() | Lacking Touch friendly display |
Pentax ist DS2 vs Sony A100 Physical Comparison
For anybody who is going to travel with your camera regularly, you're going to have to think about its weight and dimensions. The Pentax ist DS2 enjoys exterior measurements of 125mm x 93mm x 66mm (4.9" x 3.7" x 2.6") with a weight of 605 grams (1.33 lbs) whilst the Sony A100 has dimensions 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 ist DS2 vs Sony A100 in our completely new Camera plus Lens Size Comparison Tool.
Do not forget, the weight of an ILC will differ depending on the lens you are using at that moment. Here is a front view dimension comparison of the ist DS2 versus the A100.

Taking into account size and weight, the portability score of the ist DS2 and A100 is 68 and 64 respectively.

Pentax ist DS2 vs Sony A100 Sensor Comparison
Often, it is tough to visualise the contrast in sensor dimensions merely by going through specs. The pic underneath should give you a more clear sense of the sensor sizing in the ist DS2 and A100.
As you can plainly see, the two cameras have the same sensor dimensions but not the same megapixels. You can expect to see the Sony A100 to show extra detail as a result of its extra 4MP. Greater resolution can also make it easier to crop pics a bit more aggressively. The more aged ist DS2 will be behind when it comes to sensor tech.

Pentax ist DS2 vs Sony A100 Screen and ViewFinder


Photography Type Scores
Portrait Comparison

Street Comparison

Sports Comparison

Travel Comparison

Landscape Comparison

Vlogging Comparison

Pentax ist DS2 vs Sony A100 Specifications
Pentax ist DS2 | Sony Alpha DSLR-A100 | |
---|---|---|
General Information | ||
Brand Name | Pentax | Sony |
Model type | Pentax ist DS2 | Sony Alpha DSLR-A100 |
Type | Advanced DSLR | Entry-Level DSLR |
Revealed | 2005-08-22 | 2006-07-31 |
Body design | Mid-size SLR | Compact SLR |
Sensor Information | ||
Sensor type | CCD | CCD |
Sensor size | APS-C | APS-C |
Sensor measurements | 23.5 x 15.7mm | 23.6 x 15.8mm |
Sensor area | 369.0mm² | 372.9mm² |
Sensor resolution | 6MP | 10MP |
Anti alias filter | ||
Aspect ratio | 3:2 | 3:2 |
Highest Possible resolution | 3008 x 2008 | 3872 x 2592 |
Maximum native ISO | 3200 | 1600 |
Minimum native ISO | 200 | 100 |
RAW files | ||
Autofocusing | ||
Focus manually | ||
Touch to focus | ||
Continuous AF | ||
AF single | ||
Tracking AF | ||
Selective AF | ||
AF center weighted | ||
AF multi area | ||
AF live view | ||
Face detection focusing | ||
Contract detection focusing | ||
Phase detection focusing | ||
Total focus points | 11 | 9 |
Lens | ||
Lens support | Pentax KAF | Sony/Minolta Alpha |
Number of lenses | 151 | 143 |
Crop factor | 1.5 | 1.5 |
Screen | ||
Screen type | Fixed Type | Fixed Type |
Screen sizing | 2.5 inch | 2.5 inch |
Screen resolution | 210k dot | 230k dot |
Selfie friendly | ||
Liveview | ||
Touch capability | ||
Viewfinder Information | ||
Viewfinder type | Optical | Optical (pentamirror) |
Viewfinder coverage | 95 percent | 95 percent |
Viewfinder magnification | 0.64x | 0.55x |
Features | ||
Minimum shutter speed | 30s | 30s |
Fastest shutter speed | 1/4000s | 1/4000s |
Continuous shutter speed | 3.0fps | 3.0fps |
Shutter priority | ||
Aperture priority | ||
Expose Manually | ||
Exposure compensation | Yes | Yes |
Custom WB | ||
Image stabilization | ||
Inbuilt flash | ||
Flash settings | Auto, On, Off, Red-eye reduction | Auto, Fill-in, Red-Eye reduction, Slow Sync, Off |
External flash | ||
Auto exposure bracketing | ||
White balance bracketing | ||
Fastest flash sync | - | 1/160s |
Exposure | ||
Multisegment exposure | ||
Average exposure | ||
Spot exposure | ||
Partial exposure | ||
AF area exposure | ||
Center weighted exposure | ||
Video features | ||
Maximum video resolution | - | None |
Microphone input | ||
Headphone input | ||
Connectivity | ||
Wireless | No | None |
Bluetooth | ||
NFC | ||
HDMI | ||
USB | USB 1.0 (1.5 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 | 605g (1.33 pounds) | 638g (1.41 pounds) |
Physical dimensions | 125 x 93 x 66mm (4.9" x 3.7" x 2.6") | 133 x 95 x 71mm (5.2" x 3.7" x 2.8") |
DXO scores | ||
DXO Overall rating | not tested | 61 |
DXO Color Depth rating | not tested | 22.0 |
DXO Dynamic range rating | not tested | 11.2 |
DXO Low light rating | not tested | 476 |
Other | ||
Battery ID | 4 x AA | NP-FM55H |
Self timer | Yes (2 or 12 sec) | Yes (2 or 10 sec) |
Time lapse recording | ||
Type of storage | SD/MMC card | Compact Flash (Type I or II) |
Storage slots | One | One |
Price at release | - | $1,000 |