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Pentax K-S2 vs Sony RX1

Portability
64
Imaging
64
Features
82
Overall
71
Pentax K-S2 front
 
Sony Cyber-shot DSC-RX1 front
Portability
79
Imaging
69
Features
57
Overall
64

Pentax K-S2 vs Sony RX1 Key Specs

Pentax K-S2
(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
  • Revealed February 2015
  • Superseded the Pentax K-S1
Sony RX1
(Full Review)
  • 24MP - Full frame Sensor
  • 3" Fixed Screen
  • ISO 100 - 25600
  • 1920 x 1080 video
  • 35mm (F2.0-22.0) lens
  • 482g - 113 x 65 x 70mm
  • Announced February 2013
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Pentax K-S2 vs Sony RX1 Overview

Lets look a bit more closely at the Pentax K-S2 vs Sony RX1, former being a Entry-Level DSLR while the latter is a Large Sensor Compact by brands Pentax and Sony. The image resolution of the K-S2 (20MP) and the RX1 (24MP) is relatively similar but the K-S2 (APS-C) and RX1 (Full frame) use totally different sensor dimensions.

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The K-S2 was brought out 2 years later than the RX1 and that is quite a significant difference as far as tech is concerned. Both the cameras come with different body type with the Pentax K-S2 being a Compact SLR camera and the Sony RX1 being a Large Sensor Compact camera.

Before getting through a in depth comparison, below is a brief introduction of how the K-S2 scores versus the RX1 with regard to portability, imaging, features and an overall rating.

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Reasons to pick Pentax K-S2 over the Sony RX1

 K-S2 RX1 
AnnouncedFebruary 2015February 2013Fresher by 25 months
Screen typeFully ArticulatedFixed Fully Articulating screen
Selfie screen Easy selfies

Reasons to pick Sony RX1 over the Pentax K-S2

 RX1 K-S2 
Screen resolution1229k921kClearer screen (+308k dot)

Common features in the Pentax K-S2 and Sony RX1

 K-S2 RX1 
Manually focus Very accurate focusing
Screen dimension3"3"Identical screen sizing
Touch screen Lacking Touch screen

Pentax K-S2 vs Sony RX1 Physical Comparison

In case you're planning to carry your camera often, you will want to take into account its weight and volume. The Pentax K-S2 enjoys external dimensions of 123mm x 91mm x 73mm (4.8" x 3.6" x 2.9") with a weight of 678 grams (1.49 lbs) while the Sony RX1 has sizing of 113mm x 65mm x 70mm (4.4" x 2.6" x 2.8") with a weight of 482 grams (1.06 lbs).

Check the Pentax K-S2 vs Sony RX1 in our newest Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Always remember, the weight of an ILC will vary depending on the lens you choose at the time. Here is the front view size comparison of the K-S2 against the RX1.

Pentax K-S2 vs Sony RX1 size comparison

Taking into consideration size and weight, the portability grade of the K-S2 and RX1 is 64 and 79 respectively.

Pentax K-S2 vs Sony RX1 top view buttons comparison

Pentax K-S2 vs Sony RX1 Sensor Comparison

Oftentimes, it can be tough to see the gap between sensor sizing merely by reviewing technical specs. The photograph below will help offer you a more clear sense of the sensor dimensions in the K-S2 and RX1.

As you can tell, both of these cameras have got different megapixels and different sensor sizing. The K-S2 featuring a tinier sensor will make shooting shallow depth of field tougher and the Sony RX1 will offer greater detail having its extra 4MP. Higher resolution will enable you to crop shots much more aggressively. The younger K-S2 will have an edge in sensor tech.

Pentax K-S2 vs Sony RX1 sensor size comparison

Pentax K-S2 vs Sony RX1 Screen and ViewFinder

Pentax K-S2 vs Sony RX1 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax K-S2 Portrait photography information
Sony RX1 Portrait photography information
78
you can focus manually
MP count decent (20MP)
nice sensor size (APS-C)
comes with face detect focus
delivers RAW formats
81
focusing manually
above average flash sync speed (1/4,000 seconds)
sensor resolution is decent (24MP)
sensor size is big (Full frame)
offers face detection focusing
exports RAW files
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Street Comparison

Pentax K-S2 Street photography advice
Sony RX1 Street photography advice
72
fully articulated screen
image stabilization (Sensor based)
nice sensor size (APS-C)
delivers RAW formats
environment proofing
above average high ISO (51,200)
heavier than others in class (678 grams)
66
sensor size is big (Full frame)
exports RAW files
above average ISO range (25,600)
no articulating screen
no image stabilization
more heavy than competitors (482 grams)
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Sports Comparison

Pentax K-S2 Sports photography info
Sony RX1 Sports photography info
70
high shutter speed (1/6,000 seconds)
image stabilization (Sensor based)
MP count decent (20 megapixels)
nice sensor size (APS-C)
comes with tracking focus
environment proofing
sensor has phase detect auto focus
painfully slow continuous shooting (5.4 frames per second)
bad battery life (410 shots)
53
sensor resolution is decent (24MP)
sensor size is big (Full frame)
offers tracking autofocus
fixed focal length (35mm)
continuous shooting slow (5.0 frames/s)
no image stabilization
bad battery power (270 per charge)
lacks phase detect AF
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Travel Comparison

Pentax K-S2 Travel photography highlights
Sony RX1 Travel photography highlights
65
environment proofing
MP count decent (20 megapixels)
flash built-in
screen is selfie friendly
bad battery life (410 CIPA)
heavier than others in class (678 grams)
62
sensor resolution is decent (24MP)
flash built-in
fast maximum aperture (f2.0)
no Timelapse recording
bad battery power (270 shots)
more heavy than competitors (482g)
doesn't have a selfie friendly screen
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Landscape Comparison

Pentax K-S2 Landscape photography info
Sony RX1 Landscape photography info
77
you can focus manually
swap lenses (Pentax KAF2 mount)
screen size is good (3")
image stabilization (Sensor based)
MP count decent (20MP)
nice sensor size (APS-C)
doesnt have anti aliasing filter
above average high ISO (51,200)
delivers RAW formats
environment proofing
bad battery life (410 shots)
64
focusing manually
fast maximum aperture (f2.0)
screen size is good (3 inches)
sensor resolution is decent (24MP)
sensor size is big (Full frame)
above average ISO range (25,600)
exports RAW files
fixed lens (fixed lens mount)
fixed focal length (35mm)
no image stabilization
bad battery power (270 shots)
no Timelapse recording
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Vlogging Comparison

Vlogging with Pentax K-S2
Vlogging with Sony RX1
71
screen is selfie friendly
image stabilization (Sensor based)
comes with face detect focus
video resolution high (1920 x 1080 pxls)
includes mic socket
heavier than others in class (678g)
34
fast maximum aperture (f2.0)
offers face detection focusing
high res video (1920 x 1080 pxls)
does have external microphone socket
doesn't have a selfie friendly screen
no image stabilization
more heavy than competitors (482 grams)
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Pentax K-S2 vs Sony RX1 Specifications

Detailed spec comparison table for Pentax K-S2 and Sony RX1
 Pentax K-S2Sony Cyber-shot DSC-RX1
General Information
Manufacturer Pentax Sony
Model Pentax K-S2 Sony Cyber-shot DSC-RX1
Type Entry-Level DSLR Large Sensor Compact
Revealed 2015-02-10 2013-02-19
Physical type Compact SLR Large Sensor Compact
Sensor Information
Powered by PRIME MII -
Sensor type CMOS CMOS
Sensor size APS-C Full frame
Sensor measurements 23.5 x 15.6mm 35.8 x 23.8mm
Sensor area 366.6mm² 852.0mm²
Sensor resolution 20 megapixel 24 megapixel
Anti aliasing filter
Aspect ratio 3:2 3:2 and 16:9
Full resolution 5472 x 3648 6000 x 4000
Max native ISO 51200 25600
Minimum native ISO 100 100
RAW photos
Autofocusing
Manual focus
Touch focus
Autofocus continuous
Single autofocus
Autofocus tracking
Selective autofocus
Autofocus center weighted
Multi area autofocus
Autofocus live view
Face detection focus
Contract detection focus
Phase detection focus
Number of focus points 11 25
Lens
Lens mounting type Pentax KAF2 fixed lens
Lens focal range - 35mm (1x)
Maximum aperture - f/2.0-22.0
Number of lenses 151 -
Crop factor 1.5 1
Screen
Screen type Fully Articulated Fixed Type
Screen size 3 inch 3 inch
Screen resolution 921k dots 1,229k dots
Selfie friendly
Liveview
Touch functionality
Screen tech - Xtra FineTFT LCD
Viewfinder Information
Viewfinder Optical (pentaprism) Electronic and Optical (optional)
Viewfinder coverage 100 percent -
Viewfinder magnification 0.64x -
Features
Lowest shutter speed 30 secs 30 secs
Highest shutter speed 1/6000 secs 1/4000 secs
Continuous shooting rate 5.4 frames/s 5.0 frames/s
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Custom white balance
Image stabilization
Built-in flash
Flash range 12.00 m (at ISO 100) 6.00 m
Flash modes Auto, auto w/redeye reduction, flash on, flash on + redeye reduction, slow sync, trailing curtain sync, manual flash Auto, On, Off, Slow Sync
External flash
Auto exposure bracketing
WB bracketing
Highest flash synchronize - 1/4000 secs
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Supported video resolutions 1920 x 1080 (30p, 25p, 24p), 1280 x 720 (60p, 50p) 1920 x 1080 (60, 50, 25, 24 fps), 1440 x 1080 (30, 25 fps), 1280 x 720 (30 fps), 640 x 480 (30, 25 fps)
Max video resolution 1920x1080 1920x1080
Video format MPEG-4, H.264 MPEG-4, AVCHD
Microphone port
Headphone port
Connectivity
Wireless Built-In Eye-Fi Connected
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS Optional None
Physical
Environment sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 678g (1.49 lbs) 482g (1.06 lbs)
Dimensions 123 x 91 x 73mm (4.8" x 3.6" x 2.9") 113 x 65 x 70mm (4.4" x 2.6" x 2.8")
DXO scores
DXO All around score not tested 93
DXO Color Depth score not tested 25.1
DXO Dynamic range score not tested 14.3
DXO Low light score not tested 2534
Other
Battery life 410 photos 270 photos
Form of battery Battery Pack Battery Pack
Battery model D-LI109 NP-BX1
Self timer Yes (2 or 12 secs) Yes (2 or 10 sec)
Time lapse feature
Storage type SD/SDHC/SDXC SD/SDHC/SDXC, Memory Stick Duo/Pro Duo/Pro-HG Duo
Card slots 1 1
Launch pricing $581 $2,798