Pentax K-S1 vs Pentax K20D
69 Imaging
63 Features
70 Overall
65
59 Imaging
53 Features
52 Overall
52
Pentax K-S1 vs Pentax K20D Key Specs
(Full Review)
- 20MP - APS-C Sensor
- 3" Fixed Screen
- ISO 100 - 51200
- Sensor based Image Stabilization
- No Anti-Alias Filter
- 1/6000s Max Shutter
- 1920 x 1080 video
- Pentax KAF2 Mount
- 558g - 121 x 93 x 70mm
- Announced August 2014
- Updated by Pentax K-S2
(Full Review)
- 15MP - APS-C Sensor
- 2.7" Fixed Screen
- ISO 100 - 3200 (Raise to 6400)
- Sensor based Image Stabilization
- No Video
- Pentax KAF2 Mount
- 800g - 142 x 101 x 70mm
- Launched June 2008
- Replaced the Pentax K10D
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Following is a extensive assessment of the Pentax K-S1 and Pentax K20D, both Advanced DSLR cameras and both of them are designed by Pentax. There exists a substantial gap among the resolutions of the K-S1 (20MP) and K20D (15MP) but they use the same exact sensor sizes (APS-C).
Japan-exclusive Leica Leitz Phone 3 features big sensor and new modesThe K-S1 was released 6 years after the K20D which is a fairly big difference as far as camera technology is concerned. Both the cameras offer the identical body type (Mid-size SLR).
Before diving through a in depth comparison, below is a quick view of how the K-S1 matches up versus the K20D with regards to portability, imaging, features and an overall score.
Photography Glossary Pentax K-S1 vs Pentax K20D Gallery
This is a preview of the gallery photos for Pentax K-S1 & Pentax K20D. The complete galleries are viewable at Pentax K-S1 Gallery & Pentax K20D Gallery.
Reasons to pick Pentax K-S1 over the Pentax K20D
| K-S1 | K20D | |||
|---|---|---|---|---|
| Launched | August 2014 |  | June 2008 | More modern by 76 months |
| Screen sizing | 3" |  | 2.7" | Bigger screen (+0.3") |
| Screen resolution | 921k |  | 230k | Crisper screen (+691k dot) |
Reasons to pick Pentax K20D over the Pentax K-S1
| K20D | K-S1 |
|---|
Common features in the Pentax K-S1 and Pentax K20D
| K-S1 | K20D | |||
|---|---|---|---|---|
| Focus manually |  | Very accurate focusing | ||
| Screen type | Fixed |  | Fixed | Fixed screen |
| Selfie screen |  | Lacking selfie screen | ||
| Touch friendly screen |  | Neither offers Touch friendly screen |
Pentax K-S1 vs Pentax K20D Physical Comparison
When you are looking to carry around your camera often, you will have to factor in its weight and size. The Pentax K-S1 offers external measurements of 121mm x 93mm x 70mm (4.8" x 3.7" x 2.8") accompanied by a weight of 558 grams (1.23 lbs) whilst the Pentax K20D has specifications of 142mm x 101mm x 70mm (5.6" x 4.0" x 2.8") along with a weight of 800 grams (1.76 lbs).
Compare the Pentax K-S1 and Pentax K20D in our newest Camera & Lens Size Comparison Tool.
Remember, the weight of an ILC will vary based on the lens you are working with during that time. Following is the front view dimension comparison of the K-S1 vs the K20D.
Taking into account dimensions and weight, the portability score of the K-S1 and K20D is 69 and 59 respectively.
Pentax K-S1 vs Pentax K20D Sensor Comparison
Quite often, it is hard to picture the contrast in sensor sizes merely by researching specs. The picture below might provide you a stronger sense of the sensor sizing in the K-S1 and K20D.
All in all, each of the cameras offer the same exact sensor sizing albeit different resolution. You can count on the Pentax K-S1 to provide you with extra detail as a result of its extra 5MP. Higher resolution will also enable you to crop shots a little more aggressively. The more recent K-S1 should have an advantage with regard to sensor tech.
Pentax K-S1 vs Pentax K20D Screen and ViewFinder
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Pentax K-S1 vs Pentax K20D Specifications
| Pentax K-S1 | Pentax K20D | |
|---|---|---|
| General Information | ||
| Make | Pentax | Pentax |
| Model | Pentax K-S1 | Pentax K20D |
| Class | Advanced DSLR | Advanced DSLR |
| Announced | 2014-08-27 | 2008-06-25 |
| Body design | Mid-size SLR | Mid-size SLR |
| Sensor Information | ||
| Chip | Prime MII | - |
| Sensor type | CMOS | CMOS |
| Sensor size | APS-C | APS-C |
| Sensor dimensions | 23.5 x 15.6mm | 23.4 x 15.6mm |
| Sensor area | 366.6mm² | 365.0mm² |
| Sensor resolution | 20 megapixels | 15 megapixels |
| Anti aliasing filter | ||
| Aspect ratio | 3:2 | 3:2 |
| Max resolution | 5472 x 3648 | 4672 x 3104 |
| Max native ISO | 51200 | 3200 |
| Max enhanced ISO | - | 6400 |
| Lowest native ISO | 100 | 100 |
| RAW images | ||
| Autofocusing | ||
| Manual focus | ||
| Touch focus | ||
| Continuous autofocus | ||
| Single autofocus | ||
| Autofocus tracking | ||
| Selective autofocus | ||
| Center weighted autofocus | ||
| Autofocus multi area | ||
| Autofocus live view | ||
| Face detection autofocus | ||
| Contract detection autofocus | ||
| Phase detection autofocus | ||
| Number of focus points | 11 | 11 |
| Lens | ||
| Lens mount | Pentax KAF2 | Pentax KAF2 |
| Amount of lenses | 151 | 151 |
| Crop factor | 1.5 | 1.5 |
| Screen | ||
| Range of screen | Fixed Type | Fixed Type |
| Screen diagonal | 3 inches | 2.7 inches |
| Screen resolution | 921k dot | 230k dot |
| Selfie friendly | ||
| Liveview | ||
| Touch friendly | ||
| Viewfinder Information | ||
| Viewfinder | Optical (pentaprism) | Optical (pentaprism) |
| Viewfinder coverage | 100 percent | 95 percent |
| Viewfinder magnification | 0.64x | 0.64x |
| Features | ||
| Minimum shutter speed | 30 secs | 30 secs |
| Fastest shutter speed | 1/6000 secs | 1/4000 secs |
| Continuous shutter speed | 5.4 frames/s | 3.0 frames/s |
| Shutter priority | ||
| Aperture priority | ||
| Manually set exposure | ||
| Exposure compensation | Yes | Yes |
| Change white balance | ||
| Image stabilization | ||
| Integrated flash | ||
| Flash range | 10.00 m (at ISO 100) | 13.00 m (at ISO 100) |
| Flash options | Auto, auto + redeye, on, on + redeye reduction, slow sync, trailing curtain sync, manual | Auto, Red-Eye, Slow, Red-Eye Slow, Rear curtain, wireless |
| External flash | ||
| AEB | ||
| White balance bracketing | ||
| Fastest flash sync | - | 1/180 secs |
| Exposure | ||
| Multisegment exposure | ||
| Average exposure | ||
| Spot exposure | ||
| Partial exposure | ||
| AF area exposure | ||
| Center weighted exposure | ||
| Video features | ||
| Supported video resolutions | 1920 x 1080 (30,25,24 fps), 1280 x 720 (60,50 fps) | - |
| Max video resolution | 1920x1080 | None |
| Video format | H.264 | - |
| Mic input | ||
| Headphone input | ||
| Connectivity | ||
| Wireless | Eye-Fi Connected | None |
| Bluetooth | ||
| NFC | ||
| HDMI | ||
| USB | USB 2.0 (480 Mbit/sec) | USB 2.0 (480 Mbit/sec) |
| GPS | Optional | None |
| Physical | ||
| Environment seal | ||
| Water proof | ||
| Dust proof | ||
| Shock proof | ||
| Crush proof | ||
| Freeze proof | ||
| Weight | 558 gr (1.23 lb) | 800 gr (1.76 lb) |
| Dimensions | 121 x 93 x 70mm (4.8" x 3.7" x 2.8") | 142 x 101 x 70mm (5.6" x 4.0" x 2.8") |
| DXO scores | ||
| DXO Overall score | 78 | 65 |
| DXO Color Depth score | 23.5 | 22.9 |
| DXO Dynamic range score | 13.0 | 11.1 |
| DXO Low light score | 1061 | 639 |
| Other | ||
| Battery life | 410 shots | - |
| Battery format | Battery Pack | - |
| Battery model | D-LI109 | D-LI50 |
| Self timer | Yes ( 2 or 12 seconds) | Yes (2 or 10 sec) |
| Time lapse feature | ||
| Storage media | SD/SDHC/SDXC | SD/MMC/SDHC card |
| Storage slots | Single | Single |
| Price at release | $339 | $700 |