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Pentax K-S2 vs Pentax K-x

Portability
64
Imaging
64
Features
82
Overall
71
Pentax K-S2 front
 
Pentax K-x front
Portability
69
Imaging
52
Features
47
Overall
50

Pentax K-S2 vs Pentax K-x Key Specs

Pentax K-S2
(Full Review)
  • 20MP - APS-C Sensor
  • 3" Fully Articulated Display
  • 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
  • Old Model is Pentax K-S1
Pentax K-x
(Full Review)
  • 12MP - APS-C Sensor
  • 2.7" Fixed Display
  • ISO 100 - 6400 (Expand to 12800)
  • Sensor based Image Stabilization
  • 1/6000s Max Shutter
  • 1280 x 720 video
  • Pentax KAF2 Mount
  • 580g - 123 x 92 x 68mm
  • Introduced December 2009
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Pentax K-S2 vs Pentax K-x Overview

Below, we are matching up the Pentax K-S2 versus Pentax K-x, both Entry-Level DSLR cameras and both are sold by Pentax. There is a big difference among the image resolutions of the K-S2 (20MP) and K-x (12MP) but they possess the exact same sensor measurements (APS-C).

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The K-S2 was brought out 5 years later than the K-x and that is a fairly big gap as far as camera tech is concerned. Each of the cameras come with the identical body type (Compact SLR).

Before we go straight into a comprehensive comparison, below is a concise summary of how the K-S2 grades vs the K-x in the way of portability, imaging, features and an overall grade.

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Reasons to pick Pentax K-S2 over the Pentax K-x

 K-S2 K-x 
IntroducedFebruary 2015December 2009More recent by 63 months
Display typeFully ArticulatedFixed Fully Articulating display
Display dimension3"2.7"Larger display (+0.3")
Display resolution921k230kClearer display (+691k dot)
Selfie screen Easy selfies

Reasons to pick Pentax K-x over the Pentax K-S2

 K-x K-S2 

Common features in the Pentax K-S2 and Pentax K-x

 K-S2 K-x 
Focus manually Very precise focusing
Touch friendly display Neither includes Touch friendly display

Pentax K-S2 vs Pentax K-x Physical Comparison

When you are going to lug around your camera frequently, you will need to take into account its weight and dimensions. The Pentax K-S2 features external dimensions of 123mm x 91mm x 73mm (4.8" x 3.6" x 2.9") having a weight of 678 grams (1.49 lbs) and the Pentax K-x has dimensions of 123mm x 92mm x 68mm (4.8" x 3.6" x 2.7") and a weight of 580 grams (1.28 lbs).

Take a look at the Pentax K-S2 versus Pentax K-x in the latest Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Keep in mind, the weight of an Interchangeable Lens Camera will change based on the lens you are working with at the time. Below is the front view size comparison of the K-S2 versus the K-x.

Pentax K-S2 vs Pentax K-x size comparison

Using size and weight, the portability score of the K-S2 and K-x is 64 and 69 respectively.

Pentax K-S2 vs Pentax K-x top view buttons comparison

Pentax K-S2 vs Pentax K-x Sensor Comparison

In many cases, it can be difficult to envision the difference in sensor measurements just by looking through specs. The photograph underneath should give you a much better sense of the sensor sizes in the K-S2 and K-x.

All in all, both of those cameras posses the exact same sensor measurements but not the same megapixels. You should expect to see the Pentax K-S2 to result in greater detail having its extra 8MP. Greater resolution can also allow you to crop pics somewhat more aggressively. The fresher K-S2 will have an advantage with regard to sensor innovation.

Pentax K-S2 vs Pentax K-x sensor size comparison

Pentax K-S2 vs Pentax K-x Screen and ViewFinder

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

Portrait Comparison

Pentax K-S2 Portrait photography information
Pentax K-x Portrait photography information
78
manual focus
decent megapixels (20MP)
sensor size is nice (APS-C)
comes with face detection focusing
saves RAW files
63
focusing manually
decent sensor size (APS-C)
offers face detect focusing
exports RAW files
megapixel count low (12 megapixels)
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Street Comparison

Pentax K-S2 Street photography info
Pentax K-x Street photography info
72
screen articulates
has image stabilization (Sensor based)
sensor size is nice (APS-C)
saves RAW files
environment proofing
very good ISO range (51,200)
heavier than competitors (678g)
67
image stabilization (Sensor based)
decent sensor size (APS-C)
exports RAW files
screen does not articulate
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Sports Comparison

Pentax K-S2 Sports photography info
Pentax K-x Sports photography info
70
maximum shutter speed is high (1/6,000 seconds)
has image stabilization (Sensor based)
decent megapixels (20MP)
sensor size is nice (APS-C)
comes with tracking autofocus
environment proofing
sensor has phase detect AF
very slow continuous shooting (5.4 frames per second)
bad battery (410 per charge)
61
high shutter speed (1/6,000 seconds)
image stabilization (Sensor based)
decent sensor size (APS-C)
better than average battery power (1,900 shots)
comes with phase detect AF
painfully slow continuous shooting (5.0 frames/s)
megapixel count low (12MP)
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Travel Comparison

Pentax K-S2 Travel photography advice
Pentax K-x Travel photography advice
65
environment proofing
decent megapixels (20 megapixels)
built-in flash
selfie friendly display
bad battery (410 shots)
heavier than competitors (678g)
54
better than average battery power (1,900 per charge)
built-in flash
missing Time Lapse mode
megapixel count low (12 megapixels)
display isn't selfie friendly
Photography Glossary

Landscape Comparison

Landscape photography with Pentax K-S2
Landscape photography with Pentax K-x
77
manual focus
swap lenses (Pentax KAF2 mount)
screen is a decent size (3 inch)
has image stabilization (Sensor based)
decent megapixels (20 megapixels)
sensor size is nice (APS-C)
doesnt have anti-alias filter
very good ISO range (51,200)
saves RAW files
environment proofing
bad battery (410 per charge)
61
focusing manually
switch lenses (Pentax KAF2 mount)
image stabilization (Sensor based)
decent sensor size (APS-C)
exports RAW files
better than average battery power (1,900 per charge)
small screen (2.7")
megapixel count low (12MP)
missing Time Lapse mode
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Vlogging Comparison

Pentax K-S2 as a Vlogging camera
Pentax K-x as a Vlogging camera
71
selfie friendly display
has image stabilization (Sensor based)
comes with face detection focusing
great video quality (1920 x 1080 resolution)
includes external mic port
heavier than competitors (678g)
27
image stabilization (Sensor based)
offers face detect focusing
display isn't selfie friendly
video quality not great (1280 x 720 resolution)
missing mic support
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Pentax K-S2 vs Pentax K-x Specifications

Detailed spec comparison table for Pentax K-S2 and Pentax K-x
 Pentax K-S2Pentax K-x
General Information
Manufacturer Pentax Pentax
Model Pentax K-S2 Pentax K-x
Class Entry-Level DSLR Entry-Level DSLR
Revealed 2015-02-10 2009-12-23
Physical type Compact SLR Compact SLR
Sensor Information
Processor PRIME MII Prime
Sensor type CMOS CMOS
Sensor size APS-C APS-C
Sensor dimensions 23.5 x 15.6mm 23.6 x 15.8mm
Sensor surface area 366.6mm² 372.9mm²
Sensor resolution 20 megapixel 12 megapixel
Anti aliasing filter
Aspect ratio 3:2 3:2
Maximum resolution 5472 x 3648 4288 x 2848
Maximum native ISO 51200 6400
Maximum boosted ISO - 12800
Minimum native ISO 100 100
RAW pictures
Autofocusing
Focus manually
AF touch
AF continuous
Single AF
AF tracking
AF selectice
Center weighted AF
Multi area AF
Live view AF
Face detect AF
Contract detect AF
Phase detect AF
Number of focus points 11 11
Lens
Lens mounting type Pentax KAF2 Pentax KAF2
Available lenses 151 151
Focal length multiplier 1.5 1.5
Screen
Display type Fully Articulated Fixed Type
Display size 3" 2.7"
Display resolution 921 thousand dots 230 thousand dots
Selfie friendly
Liveview
Touch display
Display technology - TFT LCD monitor
Viewfinder Information
Viewfinder type Optical (pentaprism) Optical (pentamirror)
Viewfinder coverage 100% 96%
Viewfinder magnification 0.64x 0.57x
Features
Lowest shutter speed 30 seconds 30 seconds
Highest shutter speed 1/6000 seconds 1/6000 seconds
Continuous shooting rate 5.4 frames per second 5.0 frames per second
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Set WB
Image stabilization
Built-in flash
Flash range 12.00 m (at ISO 100) 16.00 m
Flash modes Auto, auto w/redeye reduction, flash on, flash on + redeye reduction, slow sync, trailing curtain sync, manual flash Auto, On, Off, Red-Eye, Slow Sync, Rear curtain, Wireless
Hot shoe
AEB
WB bracketing
Highest flash synchronize - 1/180 seconds
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Video resolutions 1920 x 1080 (30p, 25p, 24p), 1280 x 720 (60p, 50p) 1280 x 720 (24 fps), 640 x 416 (24 fps)
Maximum video resolution 1920x1080 1280x720
Video format MPEG-4, H.264 Motion JPEG
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 proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 678 grams (1.49 lb) 580 grams (1.28 lb)
Dimensions 123 x 91 x 73mm (4.8" x 3.6" x 2.9") 123 x 92 x 68mm (4.8" x 3.6" x 2.7")
DXO scores
DXO All around score not tested 72
DXO Color Depth score not tested 22.8
DXO Dynamic range score not tested 12.5
DXO Low light score not tested 811
Other
Battery life 410 images 1900 images
Type of battery Battery Pack Battery Pack
Battery model D-LI109 4 x AA
Self timer Yes (2 or 12 secs) Yes (2 or 12 sec)
Time lapse shooting
Type of storage SD/SDHC/SDXC SD/SDHC card
Card slots One One
Price at launch $581 $600