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Pentax K-S2 vs Sony A33

Portability
64
Imaging
64
Features
82
Overall
71
Pentax K-S2 front
 
Sony SLT-A33 front
Portability
67
Imaging
54
Features
80
Overall
64

Pentax K-S2 vs Sony A33 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
  • Launched February 2015
  • Old Model is Pentax K-S1
Sony A33
(Full Review)
  • 14MP - APS-C Sensor
  • 3" Fully Articulated Display
  • ISO 100 - 12800 (Bump to 25600)
  • Sensor based Image Stabilization
  • 1920 x 1080 video
  • Sony/Minolta Alpha Mount
  • 500g - 124 x 92 x 85mm
  • Revealed August 2010
  • Renewed by Sony A35
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Pentax K-S2 vs Sony A33 Overview

Following is a complete analysis of the Pentax K-S2 and Sony A33, both Entry-Level DSLR digital cameras by brands Pentax and Sony. There is a sizeable difference between the resolutions of the K-S2 (20MP) and A33 (14MP) but they come with the same exact sensor sizing (APS-C).

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The K-S2 was introduced 4 years after the A33 which is quite a large gap as far as tech is concerned. Both of the cameras offer the identical body type (Compact SLR).

Before going straight into a comprehensive comparison, below is a short summation of how the K-S2 matches up versus the A33 in the way of portability, imaging, features and an overall score.

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Reasons to pick Pentax K-S2 over the Sony A33

 K-S2 A33 
RevealedFebruary 2015August 2010More modern by 55 months

Reasons to pick Sony A33 over the Pentax K-S2

 A33 K-S2 

Common features in the Pentax K-S2 and Sony A33

 K-S2 A33 
Manual focus Very precise focus
Display typeFully ArticulatedFully ArticulatedFully Articulated display
Display sizing3"3"Equivalent display measurement
Display resolution921k921kSame display resolution
Selfie screen Both are selfie friendly
Touch friendly display Neither features Touch friendly display

Pentax K-S2 vs Sony A33 Physical Comparison

If you're intending to carry around your camera regularly, you are going to need to factor its weight and dimensions. The Pentax K-S2 enjoys physical measurements of 123mm x 91mm x 73mm (4.8" x 3.6" x 2.9") accompanied by a weight of 678 grams (1.49 lbs) while the Sony A33 has dimensions of 124mm x 92mm x 85mm (4.9" x 3.6" x 3.3") having a weight of 500 grams (1.10 lbs).

Compare the Pentax K-S2 and Sony A33 in the all new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Do not forget, the weight of an Interchangeable Lens Camera will change dependant on the lens you select at that moment. Underneath is the front view dimensions comparison of the K-S2 against the A33.

Pentax K-S2 vs Sony A33 size comparison

Taking into account size and weight, the portability score of the K-S2 and A33 is 64 and 67 respectively.

Pentax K-S2 vs Sony A33 top view buttons comparison

Pentax K-S2 vs Sony A33 Sensor Comparison

In many cases, it's hard to visualize the gap between sensor sizes purely by going over a spec sheet. The picture underneath might give you a far better sense of the sensor sizing in the K-S2 and A33.

Clearly, both of the cameras enjoy the same exact sensor sizing but different megapixels. You should expect to see the Pentax K-S2 to deliver greater detail using its extra 6 Megapixels. Greater resolution will enable you to crop photos far more aggressively. The more modern K-S2 should have a benefit when it comes to sensor technology.

Pentax K-S2 vs Sony A33 sensor size comparison

Pentax K-S2 vs Sony A33 Screen and ViewFinder

Pentax K-S2 vs Sony A33 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax K-S2 Portrait photography info
Sony A33 Portrait photography info
78
you can focus manually
good resolution (20 megapixels)
nice sensor size (APS-C)
comes with face detect focusing
saves RAW files
72
manual focus
good MP (14MP)
decent sensor size (APS-C)
features face detection autofocus
delivers RAW files
Photography Glossary

Street Comparison

Pentax K-S2 Street photography details
Sony A33 Street photography details
72
screen articulates fully
built in image stabilization (Sensor based)
nice sensor size (APS-C)
saves RAW files
weather sealing
great high ISO (51,200)
heavier than competitors in class (678 grams)
76
screen articulates
image stabilization (Sensor based)
decent sensor size (APS-C)
delivers RAW files
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Sports Comparison

Pentax K-S2 Sports photography features
Sony A33 Sports photography features
70
max shutter speed is good (1/6,000 seconds)
built in image stabilization (Sensor based)
good resolution (20MP)
nice sensor size (APS-C)
comes with tracking focus
weather sealing
supports phase detect AF
slow continuous shooting (5.4 frames per second)
bad battery (410 per charge)
67
image stabilization (Sensor based)
good MP (14 megapixels)
decent sensor size (APS-C)
has phase detect autofocus
bad battery life (340 CIPA)
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Travel Comparison

Pentax K-S2 Travel photography highlights
Sony A33 Travel photography highlights
65
weather sealing
good resolution (20MP)
has built in flash
display is selfie friendly
bad battery (410 per charge)
heavier than competitors in class (678 grams)
61
good MP (14MP)
built-in flash
display is selfie friendly
doesn't have Timelapse recording
bad battery life (340 shots)
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Landscape Comparison

Landscape photography with Pentax K-S2
Landscape photography with Sony A33
77
you can focus manually
interchangeable lenses (Pentax KAF2 mount)
pretty good screen size (3")
built in image stabilization (Sensor based)
good resolution (20MP)
nice sensor size (APS-C)
doesnt have anti aliasing filter
great high ISO (51,200)
saves RAW files
weather sealing
bad battery (410 shots)
67
manual focus
switch lenses (Sony/Minolta Alpha mount)
good sized screen (3")
image stabilization (Sensor based)
good MP (14MP)
decent sensor size (APS-C)
delivers RAW files
bad battery life (340 shots)
doesn't have Timelapse recording
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Vlogging Comparison

Pentax K-S2 Vlogging advice
Sony A33 Vlogging advice
71
display is selfie friendly
built in image stabilization (Sensor based)
comes with face detect focusing
video res high (1920 x 1080 pixels)
comes with mic support
heavier than competitors in class (678g)
77
display is selfie friendly
image stabilization (Sensor based)
features face detection autofocus
high res video (1920 x 1080 resolution)
has external microphone jack
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Pentax K-S2 vs Sony A33 Specifications

Detailed spec comparison table for Pentax K-S2 and Sony A33
 Pentax K-S2Sony SLT-A33
General Information
Brand Pentax Sony
Model Pentax K-S2 Sony SLT-A33
Category Entry-Level DSLR Entry-Level DSLR
Launched 2015-02-10 2010-08-24
Body design Compact SLR Compact SLR
Sensor Information
Powered by PRIME MII Bionz
Sensor type CMOS CMOS
Sensor size APS-C APS-C
Sensor measurements 23.5 x 15.6mm 23.5 x 15.6mm
Sensor area 366.6mm² 366.6mm²
Sensor resolution 20 megapixel 14 megapixel
Anti aliasing filter
Aspect ratio 3:2 3:2 and 16:9
Max resolution 5472 x 3648 4592 x 3056
Max native ISO 51200 12800
Max enhanced ISO - 25600
Minimum native ISO 100 100
RAW data
Autofocusing
Manual focus
Autofocus touch
Continuous autofocus
Autofocus single
Tracking autofocus
Selective autofocus
Autofocus center weighted
Autofocus multi area
Autofocus live view
Face detect autofocus
Contract detect autofocus
Phase detect autofocus
Number of focus points 11 15
Cross focus points - 3
Lens
Lens mounting type Pentax KAF2 Sony/Minolta Alpha
Number of lenses 151 143
Focal length multiplier 1.5 1.5
Screen
Display type Fully Articulated Fully Articulated
Display diagonal 3 inch 3 inch
Display resolution 921k dot 921k dot
Selfie friendly
Liveview
Touch capability
Viewfinder Information
Viewfinder type Optical (pentaprism) Electronic
Viewfinder resolution - 1,150k dot
Viewfinder coverage 100 percent 100 percent
Viewfinder magnification 0.64x 0.73x
Features
Minimum shutter speed 30s 30s
Fastest shutter speed 1/6000s 1/4000s
Continuous shutter speed 5.4 frames per second 7.0 frames per second
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Set white balance
Image stabilization
Integrated flash
Flash range 12.00 m (at ISO 100) 10.00 m (@ ISO 100)
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, High Speed Sync, Rear Curtain, Fill-in, Wireless
Hot shoe
AE bracketing
WB bracketing
Fastest flash sync - 1/160s
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) 1920 x 1080 (60, 29.97 fps), 1440 x 1080 (30fps), 640 x 424 (29.97 fps)
Max video resolution 1920x1080 1920x1080
Video format MPEG-4, H.264 MPEG-4, AVCHD, H.264
Microphone input
Headphone input
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
Environmental seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 678g (1.49 pounds) 500g (1.10 pounds)
Dimensions 123 x 91 x 73mm (4.8" x 3.6" x 2.9") 124 x 92 x 85mm (4.9" x 3.6" x 3.3")
DXO scores
DXO Overall score not tested 70
DXO Color Depth score not tested 22.8
DXO Dynamic range score not tested 12.6
DXO Low light score not tested 591
Other
Battery life 410 photos 340 photos
Style of battery Battery Pack Battery Pack
Battery model D-LI109 NP-FW50
Self timer Yes (2 or 12 secs) Yes (2 or 10 sec)
Time lapse feature
Type of storage SD/SDHC/SDXC SD/SDHC/SDXC/Memory Stick Pro Duo/ Pro-HG Duo
Storage slots 1 1
Retail price $581 $230