Olympus 1s vs Pentax K-S1
79 Imaging
38 Features
66 Overall
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69 Imaging
63 Features
70 Overall
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Olympus 1s vs Pentax K-S1 Key Specs
(Full Review)
- 12MP - 1/1.7" Sensor
- 3" Tilting Display
- ISO 100 - 12800
- Optical Image Stabilization
- 1920 x 1080 video
- 28-300mm (F2.8) lens
- 402g - 116 x 87 x 57mm
- Revealed April 2015
- Replaced the Olympus 1
(Full Review)
- 20MP - APS-C Sensor
- 3" Fixed Display
- ISO 100 - 51200
- Sensor based Image Stabilization
- No Anti-Alias Filter
- 1/6000s Maximum Shutter
- 1920 x 1080 video
- Pentax KAF2 Mount
- 558g - 121 x 93 x 70mm
- Released August 2014
- Successor is Pentax K-S2
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On this page, we are looking at the Olympus 1s and Pentax K-S1, former is a Small Sensor Superzoom while the other is a Advanced DSLR by rivals Olympus and Pentax. There is a sizable difference between the image resolutions of the 1s (12MP) and K-S1 (20MP) and the 1s (1/1.7") and K-S1 (APS-C) offer different sensor dimensions.
Samsung Releases Faster Versions of EVO MicroSD CardsThe 1s was revealed 8 months after the K-S1 and they are of a similar age. The two cameras have different body design with the Olympus 1s being a SLR-like (bridge) camera and the Pentax K-S1 being a Mid-size SLR camera.
Before we go straight to a full comparison, here is a short introduction of how the 1s grades against the K-S1 with regards to portability, imaging, features and an overall mark.
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The following is a sample of the gallery pics for Olympus Stylus 1s & Pentax K-S1. The full galleries are provided at Olympus 1s Gallery & Pentax K-S1 Gallery.
Reasons to pick Olympus 1s over the Pentax K-S1
| 1s | K-S1 | |||
|---|---|---|---|---|
| Released | April 2015 |  | August 2014 | Newer by 8 months |
| Display type | Tilting |  | Fixed | Tilting display |
| Display resolution | 1040k |  | 921k | Sharper display (+119k dot) |
| Touch display |  | Easily navigate |
Reasons to pick Pentax K-S1 over the Olympus 1s
| K-S1 | 1s |
|---|
Common features in the Olympus 1s and Pentax K-S1
| 1s | K-S1 | |||
|---|---|---|---|---|
| Focus manually |  | Dial precise focus | ||
| Display dimensions | 3" |  | 3" | Equal display sizing |
| Selfie screen |  | Absent selfie screen |
Olympus 1s vs Pentax K-S1 Physical Comparison
When you are going to travel with your camera regularly, you will have to think about its weight and dimensions. The Olympus 1s enjoys outer dimensions of 116mm x 87mm x 57mm (4.6" x 3.4" x 2.2") accompanied by a weight of 402 grams (0.89 lbs) whilst the Pentax K-S1 has dimensions of 121mm x 93mm x 70mm (4.8" x 3.7" x 2.8") accompanied by a weight of 558 grams (1.23 lbs).
Check out the Olympus 1s and Pentax K-S1 in our brand new Camera plus Lens Size Comparison Tool.
Bear in mind, the weight of an ILC will vary based on the lens you are utilising during that time. Following is a front view dimension comparison of the 1s vs the K-S1.
Considering size and weight, the portability grade of the 1s and K-S1 is 79 and 69 respectively.
Olympus 1s vs Pentax K-S1 Sensor Comparison
In many cases, its hard to imagine the contrast between sensor dimensions simply by reading through technical specs. The image below will provide you a clearer sense of the sensor sizes in the 1s and K-S1.
As you have seen, each of these cameras have different resolutions and different sensor dimensions. The 1s with its tinier sensor is going to make shooting bokeh more difficult and the Pentax K-S1 will resolve greater detail because of its extra 8MP. Greater resolution will allow you to crop images a bit more aggressively. The newer 1s should have an edge in sensor innovation.
Olympus 1s vs Pentax K-S1 Screen and ViewFinder
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Olympus 1s vs Pentax K-S1 Specifications
| Olympus Stylus 1s | Pentax K-S1 | |
|---|---|---|
| General Information | ||
| Brand | Olympus | Pentax |
| Model type | Olympus Stylus 1s | Pentax K-S1 |
| Type | Small Sensor Superzoom | Advanced DSLR |
| Revealed | 2015-04-13 | 2014-08-27 |
| Physical type | SLR-like (bridge) | Mid-size SLR |
| Sensor Information | ||
| Powered by | - | Prime MII |
| Sensor type | BSI-CMOS | CMOS |
| Sensor size | 1/1.7" | APS-C |
| Sensor dimensions | 7.44 x 5.58mm | 23.5 x 15.6mm |
| Sensor surface area | 41.5mm² | 366.6mm² |
| Sensor resolution | 12 megapixels | 20 megapixels |
| Anti alias filter | ||
| Aspect ratio | 1:1, 4:3, 3:2 and 16:9 | 3:2 |
| Highest resolution | 3968 x 2976 | 5472 x 3648 |
| Highest native ISO | 12800 | 51200 |
| Minimum native ISO | 100 | 100 |
| RAW images | ||
| Autofocusing | ||
| Focus manually | ||
| Touch to focus | ||
| Continuous AF | ||
| AF single | ||
| Tracking AF | ||
| AF selectice | ||
| AF center weighted | ||
| AF multi area | ||
| Live view AF | ||
| Face detect focusing | ||
| Contract detect focusing | ||
| Phase detect focusing | ||
| Total focus points | 35 | 11 |
| Lens | ||
| Lens support | fixed lens | Pentax KAF2 |
| Lens zoom range | 28-300mm (10.7x) | - |
| Max aperture | f/2.8 | - |
| Macro focusing range | 5cm | - |
| Number of lenses | - | 151 |
| Crop factor | 4.8 | 1.5 |
| Screen | ||
| Display type | Tilting | Fixed Type |
| Display diagonal | 3 inch | 3 inch |
| Resolution of display | 1,040k dots | 921k dots |
| Selfie friendly | ||
| Liveview | ||
| Touch display | ||
| Viewfinder Information | ||
| Viewfinder type | Electronic | Optical (pentaprism) |
| Viewfinder resolution | 1,440k dots | - |
| Viewfinder coverage | 100 percent | 100 percent |
| Viewfinder magnification | - | 0.64x |
| Features | ||
| Slowest shutter speed | 60s | 30s |
| Maximum shutter speed | 1/2000s | 1/6000s |
| Continuous shooting rate | 7.0fps | 5.4fps |
| Shutter priority | ||
| Aperture priority | ||
| Manual mode | ||
| Exposure compensation | Yes | Yes |
| Set WB | ||
| Image stabilization | ||
| Built-in flash | ||
| Flash distance | 10.30 m (at ISO 1600) | 10.00 m (at ISO 100) |
| Flash modes | Auto, redeye reduction, fill-on, off, redeye reduction slow sync, full, manual | Auto, auto + redeye, on, on + redeye reduction, slow sync, trailing curtain sync, manual |
| External flash | ||
| Auto exposure bracketing | ||
| White balance bracketing | ||
| Exposure | ||
| Multisegment exposure | ||
| Average exposure | ||
| Spot exposure | ||
| Partial exposure | ||
| AF area exposure | ||
| Center weighted exposure | ||
| Video features | ||
| Video resolutions | 1920 x 1080 (30p), 1280 x 720 (30p) | 1920 x 1080 (30,25,24 fps), 1280 x 720 (60,50 fps) |
| Highest video resolution | 1920x1080 | 1920x1080 |
| Video data format | MPEG-4, H.264 | H.264 |
| Mic support | ||
| Headphone support | ||
| Connectivity | ||
| Wireless | Built-In | Eye-Fi Connected |
| Bluetooth | ||
| NFC | ||
| HDMI | ||
| USB | USB 2.0 (480 Mbit/sec) | USB 2.0 (480 Mbit/sec) |
| GPS | None | Optional |
| Physical | ||
| Environment sealing | ||
| Water proofing | ||
| Dust proofing | ||
| Shock proofing | ||
| Crush proofing | ||
| Freeze proofing | ||
| Weight | 402 gr (0.89 lb) | 558 gr (1.23 lb) |
| Physical dimensions | 116 x 87 x 57mm (4.6" x 3.4" x 2.2") | 121 x 93 x 70mm (4.8" x 3.7" x 2.8") |
| DXO scores | ||
| DXO All around rating | not tested | 78 |
| DXO Color Depth rating | not tested | 23.5 |
| DXO Dynamic range rating | not tested | 13.0 |
| DXO Low light rating | not tested | 1061 |
| Other | ||
| Battery life | 450 photos | 410 photos |
| Type of battery | Battery Pack | Battery Pack |
| Battery ID | BLS-50 | D-LI109 |
| Self timer | Yes (2 or 12 sec, custom) | Yes ( 2 or 12 seconds) |
| Time lapse shooting | ||
| Type of storage | SD/SDHC/SDXC card | SD/SDHC/SDXC |
| Card slots | One | One |
| Retail pricing | $699 | $339 |