Pentax K-S2 vs Pentax K100D
64 Imaging
63 Features
82 Overall
70
64 Imaging
44 Features
36 Overall
40
Pentax K-S2 vs Pentax K100D Key Specs
(Full Review)
- 20MP - APS-C Sensor
- 3" Fully Articulated Screen
- ISO 100 - 51200
- Sensor based Image Stabilization
- No Anti-Alias Filter
- 1/6000s Maximum Shutter
- 1920 x 1080 video
- Pentax KAF2 Mount
- 678g - 123 x 91 x 73mm
- Introduced February 2015
- Superseded the Pentax K-S1
(Full Review)
- 6MP - APS-C Sensor
- 2.5" Fixed Screen
- ISO 200 - 3200
- Sensor based Image Stabilization
- No Video
- Pentax KAF Mount
- 660g - 129 x 93 x 70mm
- Introduced December 2006
- Renewed by Pentax K100D S
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Its time to look a bit more in depth at the Pentax K-S2 versus Pentax K100D, both Entry-Level DSLR cameras and both are designed by Pentax. There exists a sizable gap among the resolutions of the K-S2 (20MP) and K100D (6MP) but both cameras offer the same sensor size (APS-C).
Japan-exclusive Leica Leitz Phone 3 features big sensor and new modesThe K-S2 was brought out 8 years later than the K100D and that is a fairly significant difference as far as camera technology is concerned. The two cameras have the same body design (Compact SLR).
Before we go right into a in depth comparison, here is a simple summary of how the K-S2 scores vs the K100D in relation to portability, imaging, features and an overall grade.
Photography Glossary Pentax K-S2 vs Pentax K100D Gallery
The following is a preview of the gallery photos for Pentax K-S2 & Pentax K100D. The entire galleries are available at Pentax K-S2 Gallery & Pentax K100D Gallery.
Reasons to pick Pentax K-S2 over the Pentax K100D
| K-S2 | K100D | |||
|---|---|---|---|---|
| Introduced | February 2015 | December 2006 | More recent by 100 months | |
| Screen type | Fully Articulated | Fixed | Fully Articulating screen | |
| Screen dimensions | 3" | 2.5" | Bigger screen (+0.5") | |
| Screen resolution | 921k | 210k | Crisper screen (+711k dot) | |
| Selfie screen | Take selfies |
Reasons to pick Pentax K100D over the Pentax K-S2
| K100D | K-S2 |
|---|
Common features in the Pentax K-S2 and Pentax K100D
| K-S2 | K100D | |||
|---|---|---|---|---|
| Focus manually | Very precise focusing | |||
| Touch screen | Lacking Touch screen |
Pentax K-S2 vs Pentax K100D Physical Comparison
For anyone who is planning to lug around your camera regularly, you're going to have to consider its weight and dimensions. The Pentax K-S2 enjoys outer dimensions of 123mm x 91mm x 73mm (4.8" x 3.6" x 2.9") with a weight of 678 grams (1.49 lbs) whilst the Pentax K100D has dimensions of 129mm x 93mm x 70mm (5.1" x 3.7" x 2.8") accompanied by a weight of 660 grams (1.46 lbs).
See the Pentax K-S2 versus Pentax K100D in our brand new Camera & Lens Size Comparison Tool.
Keep in mind, the weight of an ILC will differ based on the lens you are using during that time. Underneath is a front view over all size comparison of the K-S2 vs the K100D.

Considering dimensions and weight, the portability grade of the K-S2 and K100D is 64 and 64 respectively.
Pentax K-S2 vs Pentax K100D Sensor Comparison
Sometimes, it's hard to visualise the contrast in sensor measurements simply by going through technical specs. The graphic below will provide you a far better sense of the sensor sizes in the K-S2 and K100D.
As you can tell, both the cameras have the same sensor dimensions albeit not the same megapixels. You can count on the Pentax K-S2 to produce more detail having its extra 14MP. Higher resolution can also enable you to crop photographs a bit more aggressively. The younger K-S2 is going to have an edge in sensor tech.
Pentax K-S2 vs Pentax K100D Screen and ViewFinder
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Pentax K-S2 vs Pentax K100D Specifications
| Pentax K-S2 | Pentax K100D | |
|---|---|---|
| General Information | ||
| Brand Name | Pentax | Pentax |
| Model type | Pentax K-S2 | Pentax K100D |
| Category | Entry-Level DSLR | Entry-Level DSLR |
| Introduced | 2015-02-10 | 2006-12-03 |
| Physical type | Compact SLR | Compact SLR |
| Sensor Information | ||
| Chip | PRIME MII | - |
| Sensor type | CMOS | CCD |
| Sensor size | APS-C | APS-C |
| Sensor dimensions | 23.5 x 15.6mm | 23.5 x 15.7mm |
| Sensor surface area | 366.6mm² | 369.0mm² |
| Sensor resolution | 20 megapixel | 6 megapixel |
| Anti alias filter | ||
| Aspect ratio | 3:2 | 3:2 |
| Max resolution | 5472 x 3648 | 3008 x 2008 |
| Max native ISO | 51200 | 3200 |
| Lowest native ISO | 100 | 200 |
| RAW files | ||
| Autofocusing | ||
| Focus manually | ||
| Autofocus touch | ||
| Autofocus continuous | ||
| Single autofocus | ||
| Autofocus tracking | ||
| Autofocus selectice | ||
| Center weighted autofocus | ||
| Multi area autofocus | ||
| Live view autofocus | ||
| Face detection autofocus | ||
| Contract detection autofocus | ||
| Phase detection autofocus | ||
| Total focus points | 11 | 11 |
| Lens | ||
| Lens support | Pentax KAF2 | Pentax KAF |
| Amount of lenses | 151 | 151 |
| Focal length multiplier | 1.5 | 1.5 |
| Screen | ||
| Screen type | Fully Articulated | Fixed Type |
| Screen size | 3 inch | 2.5 inch |
| Screen resolution | 921 thousand dots | 210 thousand dots |
| Selfie friendly | ||
| Liveview | ||
| Touch friendly | ||
| Viewfinder Information | ||
| Viewfinder | Optical (pentaprism) | Optical (pentamirror) |
| Viewfinder coverage | 100% | 96% |
| Viewfinder magnification | 0.64x | 0.57x |
| Features | ||
| Minimum shutter speed | 30 secs | 30 secs |
| Fastest shutter speed | 1/6000 secs | 1/4000 secs |
| Continuous shutter rate | 5.4 frames per second | 3.0 frames per second |
| Shutter priority | ||
| Aperture priority | ||
| Manual mode | ||
| Exposure compensation | Yes | Yes |
| Set white balance | ||
| Image stabilization | ||
| Integrated flash | ||
| Flash distance | 12.00 m (at ISO 100) | - |
| Flash modes | Auto, auto w/redeye reduction, flash on, flash on + redeye reduction, slow sync, trailing curtain sync, manual flash | Auto, On, Off, Red-eye reduction |
| External flash | ||
| AEB | ||
| WB bracketing | ||
| Fastest flash synchronize | - | 1/180 secs |
| Exposure | ||
| Multisegment exposure | ||
| Average exposure | ||
| Spot exposure | ||
| Partial exposure | ||
| AF area exposure | ||
| Center weighted exposure | ||
| Video features | ||
| Video resolutions | 1920 x 1080 (30p, 25p, 24p), 1280 x 720 (60p, 50p) | - |
| Max video resolution | 1920x1080 | None |
| Video data format | MPEG-4, H.264 | - |
| Mic support | ||
| Headphone support | ||
| Connectivity | ||
| Wireless | Built-In | None |
| Bluetooth | ||
| NFC | ||
| HDMI | ||
| USB | USB 2.0 (480 Mbit/sec) | USB 2.0 (480 Mbit/sec) |
| GPS | Optional | None |
| Physical | ||
| Environmental sealing | ||
| Water proofing | ||
| Dust proofing | ||
| Shock proofing | ||
| Crush proofing | ||
| Freeze proofing | ||
| Weight | 678 gr (1.49 pounds) | 660 gr (1.46 pounds) |
| Physical dimensions | 123 x 91 x 73mm (4.8" x 3.6" x 2.9") | 129 x 93 x 70mm (5.1" x 3.7" x 2.8") |
| DXO scores | ||
| DXO Overall rating | not tested | not tested |
| DXO Color Depth rating | not tested | not tested |
| DXO Dynamic range rating | not tested | not tested |
| DXO Low light rating | not tested | not tested |
| Other | ||
| Battery life | 410 shots | - |
| Battery style | Battery Pack | - |
| Battery ID | D-LI109 | 4 x AA |
| Self timer | Yes (2 or 12 secs) | Yes (2 or 12 sec) |
| Time lapse feature | ||
| Type of storage | SD/SDHC/SDXC | SD/MMC card |
| Card slots | 1 | 1 |
| Launch pricing | $581 | $0 |