Pentax K-S1 vs Sony RX100
Portability
69 Imaging
63 Features
70 Overall
65
69 Imaging
63 Features
70 Overall
65
Portability
91 Imaging
50 Features
68 Overall
57
91 Imaging
50 Features
68 Overall
57
Pentax K-S1 vs Sony RX100 Key Specs
Pentax K-S1
(Full Review)
(Full Review)
- 20MP - APS-C Sensor
- 3" Fixed Screen
- 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
- Introduced August 2014
- New Model is Pentax K-S2
Sony RX100
(Full Review)
(Full Review)
- 20MP - 1" Sensor
- 3" Fixed Screen
- ISO 100 - 25600
- Optical Image Stabilization
- 1920 x 1080 video
- 28-100mm (F1.8-4.9) lens
- 240g - 102 x 58 x 36mm
- Released August 2012
- Later Model is Sony RX100 II
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Lets take a more detailed look at the Pentax K-S1 versus Sony RX100, former is a Advanced DSLR while the latter is a Large Sensor Compact by manufacturers Pentax and Sony. The image resolution of the K-S1 (20MP) and the RX100 (20MP) is relatively well matched but the K-S1 (APS-C) and RX100 (1") use different sensor size.
Photography GlossaryThe K-S1 was released 2 years after the RX100 which is quite a significant difference as far as tech is concerned. Each of these cameras come with different body type with the Pentax K-S1 being a Mid-size SLR camera and the Sony RX100 being a Large Sensor Compact camera.
Before going in to a in-depth comparison, below is a quick summary of how the K-S1 scores versus the RX100 when considering portability, imaging, features and an overall score.
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Here is a preview of the gallery photos for Pentax K-S1 & Sony Cyber-shot DSC-RX100. The complete galleries are viewable at Pentax K-S1 Gallery & Sony RX100 Gallery.
Reasons to pick Pentax K-S1 over the Sony RX100
| K-S1 | RX100 | |||
|---|---|---|---|---|
| Released | August 2014 |  | August 2012 | More modern by 25 months |
Reasons to pick Sony RX100 over the Pentax K-S1
| RX100 | K-S1 | |||
|---|---|---|---|---|
| Screen resolution | 1229k |  | 921k | Crisper screen (+308k dot) |
Common features in the Pentax K-S1 and Sony RX100
| K-S1 | RX100 | |||
|---|---|---|---|---|
| Manual focus |  | Dial exact focusing | ||
| Screen type | Fixed |  | Fixed | Fixed screen |
| Screen dimension | 3" |  | 3" | Identical screen size |
| Selfie screen |  | Missing selfie screen | ||
| Touch screen |  | Neither contains Touch screen |
Pentax K-S1 vs Sony RX100 Physical Comparison
When you are intending to carry around your camera frequently, you'll need to factor in its weight and proportions. The Pentax K-S1 has got outer dimensions of 121mm x 93mm x 70mm (4.8" x 3.7" x 2.8") along with a weight of 558 grams (1.23 lbs) while the Sony RX100 has measurements of 102mm x 58mm x 36mm (4.0" x 2.3" x 1.4") having a weight of 240 grams (0.53 lbs).
Check out the Pentax K-S1 versus Sony RX100 in our brand new Camera & Lens Size Comparison Tool.
Remember, the weight of an ILC will change based on the lens you have attached at that moment. Following is the front view sizing comparison of the K-S1 vs the RX100.
Looking at size and weight, the portability rating of the K-S1 and RX100 is 69 and 91 respectively.
Pentax K-S1 vs Sony RX100 Sensor Comparison
In many cases, it is very tough to visualize the gap between sensor sizes purely by checking technical specs. The pic underneath should offer you a more clear sense of the sensor sizes in the K-S1 and RX100.
As you have seen, both of the cameras have got the exact same MP albeit different sensor sizes. The K-S1 comes with the bigger sensor which should make getting shallow DOF simpler. The younger K-S1 provides an advantage with regard to sensor technology.
Pentax K-S1 vs Sony RX100 Screen and ViewFinder
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Portrait Comparison
Pentax K-S1 as a Portrait photography camera
Sony RX100 as a Portrait photography camera
has manual focus
sensor resolution is decent (20 megapixels)
sensor size is good (APS-C)
features face detect focusing
exports RAW formats
you can focus manually
great flash sync speed (1/2,000s)
decent megapixels (20 megapixels)
good sensor size (1")
includes face detect focusing
supports RAW files
cannot use external flash
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Pentax K-S1 as a Street photography camera
Sony RX100 as a Street photography camera
built in image stabilization (Sensor based)
sensor size is good (APS-C)
exports RAW formats
lighter than competitors in class (558 grams)
very good ISO range (51,200)
fixed screen
has image stabilization (Optical)
good sensor size (1")
supports RAW files
lighter than average in class (240 grams)
above average ISO range (25,600)
no articulating screen
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Pentax K-S1 as a Sports photography camera
Sony RX100 as a Sports photography camera
max shutter speed is good (1/6,000s)
built in image stabilization (Sensor based)
sensor resolution is decent (20MP)
sensor size is good (APS-C)
features tracking focus
supports phase detect AF
max frames per second very slow (5.4 frames per second)
bad battery power (410 shots)
has image stabilization (Optical)
decent megapixels (20MP)
good sensor size (1")
includes tracking focus
does not have phase detect AF
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Pentax K-S1 Travel photography details
Sony RX100 Travel photography details
lighter than competitors in class (558 grams)
sensor resolution is decent (20MP)
built-in flash
missing Time Lapse mode
bad battery power (410 per charge)
screen is not selfie friendly
lighter than average in class (240g)
decent megapixels (20MP)
built-in flash
pretty wide (28mm)
fast maximum aperture (f1.8)
screen isn't selfie friendly
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Pentax K-S1 Landscape photography info
Sony RX100 Landscape photography info
has manual focus
swap lenses (Pentax KAF2 mount)
screen is a decent size (3 inch)
built in image stabilization (Sensor based)
sensor resolution is decent (20MP)
sensor size is good (APS-C)
no anti-alias filter
very good ISO range (51,200)
exports RAW formats
bad battery power (410 shots)
missing Time Lapse mode
you can focus manually
pretty wide (28mm)
fast maximum aperture (f1.8)
screen size is good (3 inch)
has image stabilization (Optical)
decent megapixels (20 megapixels)
good sensor size (1")
above average ISO range (25,600)
supports RAW files
cannot swap lenses (fixed lens mount)
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Pentax K-S1 as a Vlogging camera
Sony RX100 as a Vlogging camera
built in image stabilization (Sensor based)
features face detect focusing
video res high (1920 x 1080 pxls)
lighter than competitors in class (558 grams)
screen is not selfie friendly
missing mic port
pretty wide (28mm)
fast maximum aperture (f1.8)
has image stabilization (Optical)
includes face detect focusing
good video quality (1920 x 1080 resolution)
lighter than average in class (240g)
screen isn't selfie friendly
does not have microphone socket
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Pentax K-S1 vs Sony RX100 Specifications
| Pentax K-S1 | Sony Cyber-shot DSC-RX100 | |
|---|---|---|
| General Information | ||
| Manufacturer | Pentax | Sony |
| Model | Pentax K-S1 | Sony Cyber-shot DSC-RX100 |
| Class | Advanced DSLR | Large Sensor Compact |
| Introduced | 2014-08-27 | 2012-08-28 |
| Physical type | Mid-size SLR | Large Sensor Compact |
| Sensor Information | ||
| Processor Chip | Prime MII | - |
| Sensor type | CMOS | CMOS |
| Sensor size | APS-C | 1" |
| Sensor measurements | 23.5 x 15.6mm | 13.2 x 8.8mm |
| Sensor surface area | 366.6mm² | 116.2mm² |
| Sensor resolution | 20 megapixels | 20 megapixels |
| Anti aliasing filter | ||
| Aspect ratio | 3:2 | 1:1, 4:3, 3:2 and 16:9 |
| Peak resolution | 5472 x 3648 | 5472 x 3648 |
| Highest native ISO | 51200 | 25600 |
| Min native ISO | 100 | 100 |
| RAW files | ||
| Autofocusing | ||
| Focus manually | ||
| Touch to focus | ||
| Continuous autofocus | ||
| Single autofocus | ||
| Autofocus tracking | ||
| Selective autofocus | ||
| Autofocus center weighted | ||
| Autofocus multi area | ||
| Autofocus live view | ||
| Face detection autofocus | ||
| Contract detection autofocus | ||
| Phase detection autofocus | ||
| Number of focus points | 11 | 25 |
| Lens | ||
| Lens mounting type | Pentax KAF2 | fixed lens |
| Lens focal range | - | 28-100mm (3.6x) |
| Highest aperture | - | f/1.8-4.9 |
| Macro focus range | - | 5cm |
| Total lenses | 151 | - |
| Focal length multiplier | 1.5 | 2.7 |
| Screen | ||
| Screen type | Fixed Type | Fixed Type |
| Screen sizing | 3 inch | 3 inch |
| Resolution of screen | 921k dots | 1,229k dots |
| Selfie friendly | ||
| Liveview | ||
| Touch capability | ||
| Screen tech | - | WhiteMagic TFT LCD |
| Viewfinder Information | ||
| Viewfinder type | Optical (pentaprism) | None |
| Viewfinder coverage | 100 percent | - |
| Viewfinder magnification | 0.64x | - |
| Features | ||
| Min shutter speed | 30s | 30s |
| Max shutter speed | 1/6000s | 1/2000s |
| Continuous shutter rate | 5.4 frames per second | 10.0 frames per second |
| Shutter priority | ||
| Aperture priority | ||
| Expose Manually | ||
| Exposure compensation | Yes | Yes |
| Change white balance | ||
| Image stabilization | ||
| Inbuilt flash | ||
| Flash range | 10.00 m (at ISO 100) | - |
| Flash options | Auto, auto + redeye, on, on + redeye reduction, slow sync, trailing curtain sync, manual | Auto, On, Off, Slow Sync |
| External flash | ||
| AEB | ||
| White balance bracketing | ||
| Max flash synchronize | - | 1/2000s |
| Exposure | ||
| Multisegment exposure | ||
| Average exposure | ||
| Spot exposure | ||
| Partial exposure | ||
| AF area exposure | ||
| Center weighted exposure | ||
| Video features | ||
| Video resolutions | 1920 x 1080 (30,25,24 fps), 1280 x 720 (60,50 fps) | 1920 x 1080 (60 fps), 1440 x 1080 (30 fps), 1280 x 720 (30 fps), 640 x 480 (30 fps) |
| Highest video resolution | 1920x1080 | 1920x1080 |
| Video data format | H.264 | MPEG-4, AVCHD |
| Microphone port | ||
| Headphone port | ||
| Connectivity | ||
| Wireless | Eye-Fi Connected | Eye-Fi Connected |
| Bluetooth | ||
| NFC | ||
| HDMI | ||
| USB | USB 2.0 (480 Mbit/sec) | USB 2.0 (480 Mbit/sec) |
| GPS | Optional | None |
| Physical | ||
| Environmental sealing | ||
| Water proof | ||
| Dust proof | ||
| Shock proof | ||
| Crush proof | ||
| Freeze proof | ||
| Weight | 558 gr (1.23 lbs) | 240 gr (0.53 lbs) |
| Dimensions | 121 x 93 x 70mm (4.8" x 3.7" x 2.8") | 102 x 58 x 36mm (4.0" x 2.3" x 1.4") |
| DXO scores | ||
| DXO Overall score | 78 | 66 |
| DXO Color Depth score | 23.5 | 22.6 |
| DXO Dynamic range score | 13.0 | 12.4 |
| DXO Low light score | 1061 | 390 |
| Other | ||
| Battery life | 410 pictures | 330 pictures |
| Battery type | Battery Pack | Battery Pack |
| Battery model | D-LI109 | NP-BX1 |
| Self timer | Yes ( 2 or 12 seconds) | Yes (2 or 10 sec, Portrait 1/2) |
| Time lapse feature | With downloadable app | |
| Type of storage | SD/SDHC/SDXC | SD/SDHC/SDXC, Memory Stick Duo/Pro Duo/Pro-HG Duo |
| Card slots | 1 | 1 |
| Launch cost | $339 | $448 |