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Pentax K-50 vs Sony G3

Portability
63
Imaging
58
Features
65
Overall
60
Pentax K-50 front
 
Sony Cyber-shot DSC-G3 front
Portability
94
Imaging
33
Features
30
Overall
31

Pentax K-50 vs Sony G3 Key Specs

Pentax K-50
(Full Review)
  • 16MP - APS-C Sensor
  • 3" Fixed Display
  • ISO 100 - 51600
  • Sensor based Image Stabilization
  • 1/6000s Max Shutter
  • 1920 x 1080 video
  • Pentax KAF2 Mount
  • 650g - 130 x 97 x 71mm
  • Introduced November 2013
  • Older Model is Pentax K-30
Sony G3
(Full Review)
  • 10MP - 1/2.3" Sensor
  • 3.5" Fixed Screen
  • ISO 80 - 3200
  • Optical Image Stabilization
  • 640 x 480 video
  • 35-140mm (F3.5-10.0) lens
  • 185g - 97 x 59 x 22mm
  • Revealed January 2009
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Pentax K-50 vs Sony G3 Overview

The following is a extended analysis of the Pentax K-50 vs Sony G3, one is a Entry-Level DSLR and the latter is a Small Sensor Compact by rivals Pentax and Sony. There exists a crucial gap between the image resolutions of the K-50 (16MP) and G3 (10MP) and the K-50 (APS-C) and G3 (1/2.3") come with totally different sensor size.

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The K-50 was brought out 4 years after the G3 which is quite a serious gap as far as technology is concerned. Both of the cameras come with different body type with the Pentax K-50 being a Compact SLR camera and the Sony G3 being a Compact camera.

Before getting through a comprehensive comparison, below is a quick view of how the K-50 grades against the G3 in relation to portability, imaging, features and an overall mark.

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Reasons to pick Pentax K-50 over the Sony G3

 K-50 G3 
RevealedNovember 2013January 2009Newer by 60 months

Reasons to pick Sony G3 over the Pentax K-50

 G3 K-50 
Screen dimension3.5"3"Bigger screen (+0.5")
Touch friendly screen Quickly navigate

Common features in the Pentax K-50 and Sony G3

 K-50 G3 
Manually focus Dial exact focusing
Screen typeFixed Fixed Fixed screen
Screen resolution921k921kIdentical screen resolution
Selfie screen Neither contains selfie screen

Pentax K-50 vs Sony G3 Physical Comparison

For anyone who is aiming to travel with your camera regularly, you need to consider its weight and proportions. The Pentax K-50 has got outside dimensions of 130mm x 97mm x 71mm (5.1" x 3.8" x 2.8") having a weight of 650 grams (1.43 lbs) while the Sony G3 has measurements of 97mm x 59mm x 22mm (3.8" x 2.3" x 0.9") with a weight of 185 grams (0.41 lbs).

See the Pentax K-50 vs Sony G3 in the all new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Always remember, the weight of an Interchangeable Lens Camera will differ based on the lens you have attached during that time. Underneath is the front view measurement comparison of the K-50 vs the G3.

Pentax K-50 vs Sony G3 size comparison

Considering dimensions and weight, the portability rating of the K-50 and G3 is 63 and 94 respectively.

Pentax K-50 vs Sony G3 top view buttons comparison

Pentax K-50 vs Sony G3 Sensor Comparison

More often than not, it can be difficult to envision the contrast between sensor dimensions merely by looking at a spec sheet. The pic below should give you a clearer sense of the sensor dimensions in the K-50 and G3.

As you can see, both of those cameras have got different megapixels and different sensor dimensions. The K-50 due to its bigger sensor will make achieving shallower DOF easier and the Pentax K-50 will give greater detail having its extra 6 Megapixels. Higher resolution will allow you to crop pictures much more aggressively. The newer K-50 will have an edge in sensor innovation.

Pentax K-50 vs Sony G3 sensor size comparison

Pentax K-50 vs Sony G3 Screen and ViewFinder

Pentax K-50 vs Sony G3 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax K-50 Portrait photography advice
Sony G3 Portrait photography advice
74
has manual focus
decent MP (16 megapixels)
sensor size is nice (APS-C)
provides face detect focus
saves RAW formats
26
focusing manually
manual exposure not possible
no external flash support
sensor resolution low (10MP)
small sensor (1/2.3")
no RAW format
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Street Comparison

Street photography with Pentax K-50
Street photography with Sony G3
65
built in image stabilization (Sensor based)
sensor size is nice (APS-C)
saves RAW formats
environment proofing
very good ISO range (51,600)
no moving screen
more heavy than competitors in class (650 grams)
56
has image stabilization (Optical)
fixed screen
small sensor (1/2.3")
no RAW format
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Sports Comparison

Pentax K-50 Sports photography factors
Sony G3 Sports photography factors
67
maximum shutter speed is high (1/6,000 seconds)
built in image stabilization (Sensor based)
decent MP (16MP)
sensor size is nice (APS-C)
provides tracking focus
environment proofing
has phase detect auto focus
slow continuous shooting (6.0 frames per second)
not so great battery (410 CIPA)
23
has image stabilization (Optical)
low max shutter speed (1/1,000 seconds)
very slow continuous shooting (2.0 frames/s)
lack of shutter priority mode
sensor resolution low (10MP)
small sensor (1/2.3")
no phase detect AF
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Travel Comparison

Pentax K-50 as a Travel photography camera
Sony G3 as a Travel photography camera
56
environment proofing
decent MP (16 megapixels)
flash built-in
not so great battery (410 shots)
more heavy than competitors in class (650g)
screen is not selfie friendly
50
built-in flash
lack of Time Lapse function
sensor resolution low (10 megapixels)
display is not selfie friendly
wide angle not the best (35mm)
sluggish max aperture (f3.5)
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Landscape Comparison

Pentax K-50 as a Landscape photography camera
Sony G3 as a Landscape photography camera
74
has manual focus
change lenses (Pentax KAF2 mount)
decent sized screen (3 inches)
built in image stabilization (Sensor based)
decent MP (16MP)
sensor size is nice (APS-C)
very good ISO range (51,600)
saves RAW formats
environment proofing
not so great battery (410 per charge)
36
focusing manually
very good size screen (3.5 inches)
has image stabilization (Optical)
can't change lens (fixed lens mount)
wide angle not the best (35mm)
sluggish max aperture (f3.5)
manual exposure not possible
sensor resolution low (10 megapixels)
small sensor (1/2.3")
no RAW format
lack of Time Lapse function
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Vlogging Comparison

Vlogging with Pentax K-50
Vlogging with Sony G3
28
built in image stabilization (Sensor based)
provides face detect focus
video res high (1920 x 1080 resolution)
screen is not selfie friendly
missing microphone port
more heavy than competitors in class (650g)
27
has touchscreen
has image stabilization (Optical)
wide angle not the best (35mm)
sluggish max aperture (f3.5)
display is not selfie friendly
low res video (640 x 480 pxls)
lack of mic socket
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Pentax K-50 vs Sony G3 Specifications

Detailed spec comparison table for Pentax K-50 and Sony G3
 Pentax K-50Sony Cyber-shot DSC-G3
General Information
Company Pentax Sony
Model type Pentax K-50 Sony Cyber-shot DSC-G3
Category Entry-Level DSLR Small Sensor Compact
Introduced 2013-11-27 2009-01-08
Physical type Compact SLR Compact
Sensor Information
Processor Chip PRIME M -
Sensor type CMOS CCD
Sensor size APS-C 1/2.3"
Sensor dimensions 23.7 x 15.7mm 6.17 x 4.55mm
Sensor area 372.1mm² 28.1mm²
Sensor resolution 16 megapixel 10 megapixel
Anti alias filter
Aspect ratio 3:2 4:3, 3:2 and 16:9
Highest resolution 4928 x 3264 3648 x 2736
Highest native ISO 51600 3200
Min native ISO 100 80
RAW photos
Autofocusing
Focus manually
Touch to focus
Continuous autofocus
Single autofocus
Tracking autofocus
Selective autofocus
Center weighted autofocus
Autofocus multi area
Autofocus live view
Face detect autofocus
Contract detect autofocus
Phase detect autofocus
Total focus points 11 9
Cross type focus points 9 -
Lens
Lens support Pentax KAF2 fixed lens
Lens zoom range - 35-140mm (4.0x)
Maximal aperture - f/3.5-10.0
Total lenses 151 -
Focal length multiplier 1.5 5.8
Screen
Display type Fixed Type Fixed Type
Display sizing 3" 3.5"
Display resolution 921 thousand dots 921 thousand dots
Selfie friendly
Liveview
Touch display
Display technology TFT LCD monitor with brightness/color adjustment and AR coating -
Viewfinder Information
Viewfinder type Optical (pentaprism) None
Viewfinder coverage 100% -
Viewfinder magnification 0.61x -
Features
Lowest shutter speed 30 seconds 1 seconds
Highest shutter speed 1/6000 seconds 1/1000 seconds
Continuous shooting rate 6.0 frames per sec 2.0 frames per sec
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes -
Set white balance
Image stabilization
Built-in flash
Flash distance 12.00 m (at ISO 100) 4.30 m (Auto ISO)
Flash modes Auto, On, Off, Red-eye, Slow Sync, Slow Sync+Redeye, Trailing Curtain Sync, Wireless Auto, On, Off, Red-Eye reduction, Slow Sync
External flash
AEB
WB bracketing
Highest flash synchronize 1/180 seconds -
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Video resolutions 1920 x 1080 (30,25,24 fps), 1280 x 720 (60,50,30,25,24 fps), 640 x 424 (30,25,24 fps) 640 x 480 (30, 15 fps), 320 x 240 (30, 15 fps)
Highest video resolution 1920x1080 640x480
Video file format MPEG-4, H.264 Motion JPEG
Mic port
Headphone port
Connectivity
Wireless None None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS Optional None
Physical
Environmental sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 650 grams (1.43 lb) 185 grams (0.41 lb)
Dimensions 130 x 97 x 71mm (5.1" x 3.8" x 2.8") 97 x 59 x 22mm (3.8" x 2.3" x 0.9")
DXO scores
DXO All around rating 79 not tested
DXO Color Depth rating 23.7 not tested
DXO Dynamic range rating 13.0 not tested
DXO Low light rating 1120 not tested
Other
Battery life 410 shots -
Type of battery Battery Pack -
Battery ID D-LI109 -
Self timer Yes ( 2 or 12 seconds) Yes (2 or 10 sec)
Time lapse recording
Type of storage SD/SDHC/SDXC Memory Stick Duo/Pro Duo, Internal
Card slots Single Single
Retail price $610 $200