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Pentax K-3 II vs Sony S2100

Portability
59
Imaging
65
Features
84
Overall
72
Pentax K-3 II front
 
Sony Cyber-shot DSC-S2100 front
Portability
93
Imaging
34
Features
17
Overall
27

Pentax K-3 II vs Sony S2100 Key Specs

Pentax K-3 II
(Full Review)
  • 24MP - APS-C Sensor
  • 3.2" Fixed Screen
  • ISO 100 - 51200
  • Sensor based Image Stabilization
  • No Anti-Alias Filter
  • 1/8000s Maximum Shutter
  • 1920 x 1080 video
  • Pentax KAF2 Mount
  • 800g - 131 x 100 x 77mm
  • Announced April 2015
  • Superseded the Pentax K-3
Sony S2100
(Full Review)
  • 12MP - 1/2.3" Sensor
  • 3" Fixed Screen
  • ISO 100 - 3200
  • 640 x 480 video
  • 33-105mm (F3.1-5.6) lens
  • 167g - 98 x 61 x 27mm
  • Released January 2010
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Pentax K-3 II vs Sony S2100 Overview

Below is a comprehensive overview of the Pentax K-3 II versus Sony S2100, former being a Advanced DSLR while the latter is a Small Sensor Compact by manufacturers Pentax and Sony. There is a substantial difference between the resolutions of the K-3 II (24MP) and S2100 (12MP) and the K-3 II (APS-C) and S2100 (1/2.3") provide different sensor size.

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The K-3 II was released 5 years later than the S2100 and that is quite a big difference as far as tech is concerned. Each of the cameras have different body design with the Pentax K-3 II being a Mid-size SLR camera and the Sony S2100 being a Compact camera.

Before going right into a detailed comparison, here is a brief overview of how the K-3 II scores vs the S2100 with respect to portability, imaging, features and an overall grade.

Photography Glossary

        

Reasons to pick Pentax K-3 II over the Sony S2100

 K-3 II S2100 
ReleasedApril 2015January 2010More recent by 65 months
Focus manually More accurate focusing
Screen dimensions3.2"3"Bigger screen (+0.2")
Screen resolution1037k230kClearer screen (+807k dot)

Reasons to pick Sony S2100 over the Pentax K-3 II

 S2100 K-3 II 

Common features in the Pentax K-3 II and Sony S2100

 K-3 II S2100 
Screen typeFixed Fixed Fixed screen
Selfie screen Neither provides selfie screen
Touch friendly screen Lacking Touch friendly screen

Pentax K-3 II vs Sony S2100 Physical Comparison

For anyone who is planning to lug around your camera frequently, you'll need to think about its weight and measurements. The Pentax K-3 II provides outside measurements of 131mm x 100mm x 77mm (5.2" x 3.9" x 3.0") along with a weight of 800 grams (1.76 lbs) while the Sony S2100 has proportions of 98mm x 61mm x 27mm (3.9" x 2.4" x 1.1") with a weight of 167 grams (0.37 lbs).

Examine the Pentax K-3 II versus Sony S2100 in our brand new Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Keep in mind, the weight of an ILC will change depending on the lens you have attached during that time. Underneath is a front view scale comparison of the K-3 II vs the S2100.

Pentax K-3 II vs Sony S2100 size comparison

Factoring in size and weight, the portability grade of the K-3 II and S2100 is 59 and 93 respectively.

Pentax K-3 II vs Sony S2100 top view buttons comparison

Pentax K-3 II vs Sony S2100 Sensor Comparison

Usually, its tough to imagine the difference between sensor measurements purely by checking a spec sheet. The visual underneath will help provide you a greater sense of the sensor measurements in the K-3 II and S2100.

Clearly, both of those cameras have different resolutions and different sensor measurements. The K-3 II because of its bigger sensor is going to make shooting shallower DOF simpler and the Pentax K-3 II will give you extra detail as a result of its extra 12 Megapixels. Higher resolution can also allow you to crop pictures a bit more aggressively. The more recent K-3 II provides a benefit when it comes to sensor tech.

Pentax K-3 II vs Sony S2100 sensor size comparison

Pentax K-3 II vs Sony S2100 Screen and ViewFinder

Pentax K-3 II vs Sony S2100 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax K-3 II Portrait photography information
Sony S2100 Portrait photography information
79
focusing manually
good megapixels (24MP)
sensor size is nice (APS-C)
provides face detection focusing
delivers RAW formats
20
lack of manual focus
lack of manual mode
external flash not possible
MP count low (12 megapixels)
very small sensor size (1/2.3")
lack of RAW support
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Street Comparison

Pentax K-3 II Street photography highlights
Sony S2100 Street photography highlights
69
has image stabilization (Sensor based)
sensor size is nice (APS-C)
delivers RAW formats
weather proof
good high ISO (51,200)
no articulating screen
46
screen is fixed
no image stabilization
very small sensor size (1/2.3")
lack of RAW support
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Sports Comparison

Pentax K-3 II as a Sports photography camera
Sony S2100 as a Sports photography camera
76
maximum shutter speed is high (1/8,000 seconds)
has image stabilization (Sensor based)
good megapixels (24MP)
sensor size is nice (APS-C)
provides tracking autofocus
weather proof
sensor has phase detect AF
bad battery life (720 per charge)
17
maximum shutter speed is a little low (1/1,200s)
max fps very slow (1.0 frames/s)
no shutter priority
no image stabilization
MP count low (12MP)
very small sensor size (1/2.3")
lack of phase detect AF
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Travel Comparison

Travel photography with Pentax K-3 II
Travel photography with Sony S2100
56
weather proof
good megapixels (24 megapixels)
bad battery life (720 shots)
does not have selfie friendly display
50
built-in flash
missing Time Lapse function
MP count low (12MP)
does not contain selfie friendly screen
wide angle not good (33mm)
sluggish maximum aperture (f3.1)
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Landscape Comparison

Pentax K-3 II as a Landscape photography camera
Sony S2100 as a Landscape photography camera
77
focusing manually
switch lenses (Pentax KAF2 mount)
screen size is good (3.2 inch)
has image stabilization (Sensor based)
good megapixels (24 megapixels)
sensor size is nice (APS-C)
doesnt have anti aliasing filter
good high ISO (51,200)
delivers RAW formats
weather proof
has dual storage slots
bad battery life (720 shots)
27
screen is a decent size (3")
lack of manual focus
lens is fixed (fixed lens mount)
wide angle not good (33mm)
sluggish maximum aperture (f3.1)
lack of manual mode
no image stabilization
MP count low (12MP)
very small sensor size (1/2.3")
lack of RAW support
missing Time Lapse function
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Vlogging Comparison

Pentax K-3 II Vlogging features
Sony S2100 Vlogging features
34
has image stabilization (Sensor based)
provides face detection focusing
high quality video (1920 x 1080 resolution)
includes external mic jack
does not have selfie friendly display
22
wide angle not good (33mm)
sluggish maximum aperture (f3.1)
does not contain selfie friendly screen
no image stabilization
video quality not great (640 x 480 pixels)
missing external mic port
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Pentax K-3 II vs Sony S2100 Specifications

Detailed spec comparison table for Pentax K-3 II and Sony S2100
 Pentax K-3 IISony Cyber-shot DSC-S2100
General Information
Company Pentax Sony
Model Pentax K-3 II Sony Cyber-shot DSC-S2100
Category Advanced DSLR Small Sensor Compact
Announced 2015-04-23 2010-01-07
Body design Mid-size SLR Compact
Sensor Information
Chip Prime III Bionz
Sensor type CMOS CCD
Sensor size APS-C 1/2.3"
Sensor dimensions 23.5 x 15.6mm 6.17 x 4.55mm
Sensor area 366.6mm² 28.1mm²
Sensor resolution 24 megapixel 12 megapixel
Anti aliasing filter
Aspect ratio 3:2 4:3, 3:2 and 16:9
Highest Possible resolution 6016 x 4000 4000 x 3000
Maximum native ISO 51200 3200
Lowest native ISO 100 100
RAW files
Autofocusing
Manual focus
AF touch
Continuous AF
AF single
AF tracking
Selective AF
AF center weighted
AF multi area
AF live view
Face detection focusing
Contract detection focusing
Phase detection focusing
Number of focus points 27 9
Cross focus points 25 -
Lens
Lens mounting type Pentax KAF2 fixed lens
Lens focal range - 33-105mm (3.2x)
Highest aperture - f/3.1-5.6
Macro focus range - 5cm
Amount of lenses 151 -
Focal length multiplier 1.5 5.8
Screen
Screen type Fixed Type Fixed Type
Screen diagonal 3.2" 3"
Resolution of screen 1,037 thousand dot 230 thousand dot
Selfie friendly
Liveview
Touch friendly
Viewfinder Information
Viewfinder Optical (pentaprism) None
Viewfinder coverage 100% -
Viewfinder magnification 0.64x -
Features
Minimum shutter speed 30s 1s
Fastest shutter speed 1/8000s 1/1200s
Continuous shutter speed 8.3fps 1.0fps
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes -
Change WB
Image stabilization
Built-in flash
Flash range no built-in flash 3.30 m
Flash options Auto Flash Discharge, Auto Flash + Red-eye Reduction, Flash On, Flash On + Red-eye Reduction, Slow-speed Sync, Slow-speed Sync + Red-eye, P-TTL, Trailing Curtain Sync, Contrast-control-sync, High-speed sync, Wireless sync (available with dedicated external flash) Auto, On, Off, Slow syncro
External flash
AEB
White balance bracketing
Fastest flash sync 1/180s -
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Video resolutions 1920 x 1080 (60i, 50i, 30p, 25p, 24p), 1280 x 720 (60p, 50p, 30p, 25p, 24p) 640 x 480 (30 fps), 320 x 240 (30 fps)
Maximum video resolution 1920x1080 640x480
Video data format MPEG-4, H.264 Motion JPEG
Mic jack
Headphone jack
Connectivity
Wireless Optional None
Bluetooth
NFC
HDMI
USB USB 3.0 (5 GBit/sec) USB 2.0 (480 Mbit/sec)
GPS BuiltIn None
Physical
Environmental seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 800 gr (1.76 lbs) 167 gr (0.37 lbs)
Physical dimensions 131 x 100 x 77mm (5.2" x 3.9" x 3.0") 98 x 61 x 27mm (3.9" x 2.4" x 1.1")
DXO scores
DXO Overall score 80 not tested
DXO Color Depth score 23.6 not tested
DXO Dynamic range score 13.6 not tested
DXO Low light score 1106 not tested
Other
Battery life 720 pictures -
Type of battery Battery Pack -
Battery model D-LI90 2 x AA
Self timer Yes ( 2 or 12 seconds) Yes (2 or 10 sec)
Time lapse shooting
Type of storage Dual SD/SDHC/SDXC Memory Stick Duo/Pro Duo, optional SD, Internal
Storage slots 2 One
Launch pricing $829 $0