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Pentax K-50 vs Sony RX100 III

Portability
63
Imaging
58
Features
65
Overall
60
Pentax K-50 front
 
Sony Cyber-shot DSC-RX100 III front
Portability
89
Imaging
51
Features
77
Overall
61

Pentax K-50 vs Sony RX100 III Key Specs

Pentax K-50
(Full Review)
  • 16MP - APS-C Sensor
  • 3" Fixed Display
  • ISO 100 - 51600
  • Sensor based Image Stabilization
  • 1/6000s Maximum Shutter
  • 1920 x 1080 video
  • Pentax KAF2 Mount
  • 650g - 130 x 97 x 71mm
  • Introduced November 2013
  • Old Model is Pentax K-30
Sony RX100 III
(Full Review)
  • 20MP - 1" Sensor
  • 3" Tilting Screen
  • ISO 125 - 12800
  • Optical Image Stabilization
  • 1920 x 1080 video
  • 24-70mm (F1.8-2.8) lens
  • 290g - 102 x 58 x 41mm
  • Revealed May 2014
  • Previous Model is Sony RX100 II
  • Renewed by Sony RX100 IV
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Pentax K-50 vs Sony RX100 III Overview

Below, we will be reviewing the Pentax K-50 and Sony RX100 III, former is a Entry-Level DSLR while the latter is a Large Sensor Compact by manufacturers Pentax and Sony. The resolution of the K-50 (16MP) and the RX100 III (20MP) is pretty similar but the K-50 (APS-C) and RX100 III (1") possess different sensor dimensions.

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The K-50 was introduced 5 months earlier than the RX100 III and they are of a similar age. Both the cameras come with different body type with the Pentax K-50 being a Compact SLR camera and the Sony RX100 III being a Large Sensor Compact camera.

Before we go through a in depth comparison, below is a short summary of how the K-50 scores against the RX100 III with regards to portability, imaging, features and an overall mark.

Photography Glossary
	
	

Reasons to pick Pentax K-50 over the Sony RX100 III

 K-50 RX100 III 

Reasons to pick Sony RX100 III over the Pentax K-50

 RX100 III K-50 
Screen typeTiltingFixed Tilting screen
Screen resolution1229k921kSharper screen (+308k dot)
Selfie screen Easy selfies

Common features in the Pentax K-50 and Sony RX100 III

 K-50 RX100 III 
RevealedNovember 2013May 2014Similar age
Manual focus Very accurate focus
Screen dimension3"3"Identical screen sizing
Touch friendly screen Lack of Touch friendly screen

Pentax K-50 vs Sony RX100 III Physical Comparison

For anybody who is planning to travel with your camera frequently, you will have to consider its weight and dimensions. The Pentax K-50 enjoys exterior measurements 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 RX100 III has dimensions of 102mm x 58mm x 41mm (4.0" x 2.3" x 1.6") with a weight of 290 grams (0.64 lbs).

Contrast the Pentax K-50 and Sony RX100 III in our brand new Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Do not forget, the weight of an ILC will differ dependant on the lens you have attached during that time. Following is the front view over all size comparison of the K-50 versus the RX100 III.

Pentax K-50 vs Sony RX100 III size comparison

Considering size and weight, the portability grade of the K-50 and RX100 III is 63 and 89 respectively.

Pentax K-50 vs Sony RX100 III top view buttons comparison

Pentax K-50 vs Sony RX100 III Sensor Comparison

Often, it's difficult to picture the gap between sensor dimensions purely by going over specs. The picture here should offer you a more clear sense of the sensor sizing in the K-50 and RX100 III.

All in all, the 2 cameras have got different resolutions and different sensor dimensions. The K-50 using its bigger sensor is going to make getting bokeh less difficult and the Sony RX100 III will offer you more detail using its extra 4 Megapixels. Higher resolution will also enable you to crop photographs much more aggressively.

Pentax K-50 vs Sony RX100 III sensor size comparison

Pentax K-50 vs Sony RX100 III Screen and ViewFinder

Pentax K-50 vs Sony RX100 III Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax K-50 as a Portrait photography camera
Sony RX100 III as a Portrait photography camera
74
focusing manually
good megapixels (16MP)
good sensor size (APS-C)
supports face detect focus
delivers RAW formats
64
manual focus
flash sync is higher than normal (1/2,000 seconds)
megapixel count good (20MP)
sensor size is decent (1")
features face detection focus
supports RAW files
cannot use external flash
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Street Comparison

Pentax K-50 as a Street photography camera
Sony RX100 III as a Street photography camera
65
built in image stabilization (Sensor based)
good sensor size (APS-C)
delivers RAW formats
environment sealing
very good high ISO (51,600)
no moving screen
heavier than average (650 grams)
85
screen tilts
has image stabilization (Optical)
sensor size is decent (1")
supports RAW files
lighter than competition (290g)
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Sports Comparison

Sports photography with Pentax K-50
Sports photography with Sony RX100 III
67
great max shutter speed (1/6,000 seconds)
built in image stabilization (Sensor based)
good megapixels (16MP)
good sensor size (APS-C)
supports tracking focus
environment sealing
has phase detect auto focus
slow fps (6.0 fps)
bad battery life (410 CIPA)
65
has image stabilization (Optical)
megapixel count good (20MP)
sensor size is decent (1")
features tracking autofocus
lacks phase detect auto focus
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Travel Comparison

Travel photography with Pentax K-50
Travel photography with Sony RX100 III
56
environment sealing
good megapixels (16MP)
built-in flash
bad battery life (410 per charge)
heavier than average (650g)
display is not selfie friendly
85
lighter than competition (290 grams)
megapixel count good (20 megapixels)
flash built-in
display is selfie friendly
decently wide (24mm)
fast maximum aperture (f1.8)
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Landscape Comparison

Pentax K-50 Landscape photography highlights
Sony RX100 III Landscape photography highlights
74
focusing manually
interchangeable lenses (Pentax KAF2 mount)
good sized screen (3")
built in image stabilization (Sensor based)
good megapixels (16MP)
good sensor size (APS-C)
very good high ISO (51,600)
delivers RAW formats
environment sealing
bad battery life (410 CIPA)
73
manual focus
decently wide (24mm)
fast maximum aperture (f1.8)
nice screen size (3")
has image stabilization (Optical)
megapixel count good (20 megapixels)
sensor size is decent (1")
supports RAW files
fixed lens (fixed lens mount)
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Vlogging Comparison

Pentax K-50 Vlogging highlights
Sony RX100 III Vlogging highlights
28
built in image stabilization (Sensor based)
supports face detect focus
high quality video (1920 x 1080 pxls)
display is not selfie friendly
missing mic port
heavier than average (650 grams)
80
decently wide (24mm)
fast maximum aperture (f1.8)
display is selfie friendly
has image stabilization (Optical)
features face detection focus
good video quality (1920 x 1080 pixels)
lighter than competition (290 grams)
no external mic socket
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Pentax K-50 vs Sony RX100 III Specifications

Detailed spec comparison table for Pentax K-50 and Sony RX100 III
 Pentax K-50Sony Cyber-shot DSC-RX100 III
General Information
Manufacturer Pentax Sony
Model Pentax K-50 Sony Cyber-shot DSC-RX100 III
Class Entry-Level DSLR Large Sensor Compact
Introduced 2013-11-27 2014-05-15
Physical type Compact SLR Large Sensor Compact
Sensor Information
Chip PRIME M Bionz X
Sensor type CMOS BSI-CMOS
Sensor size APS-C 1"
Sensor dimensions 23.7 x 15.7mm 13.2 x 8.8mm
Sensor surface area 372.1mm² 116.2mm²
Sensor resolution 16MP 20MP
Anti aliasing filter
Aspect ratio 3:2 1:1, 4:3, 3:2 and 16:9
Peak resolution 4928 x 3264 5472 x 3648
Highest native ISO 51600 12800
Lowest native ISO 100 125
RAW images
Autofocusing
Focus manually
Touch focus
Continuous autofocus
Autofocus single
Autofocus tracking
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 25
Cross focus points 9 -
Lens
Lens mounting type Pentax KAF2 fixed lens
Lens focal range - 24-70mm (2.9x)
Largest aperture - f/1.8-2.8
Macro focus distance - 5cm
Amount of lenses 151 -
Crop factor 1.5 2.7
Screen
Display type Fixed Type Tilting
Display diagonal 3 inches 3 inches
Resolution of display 921k dots 1,229k dots
Selfie friendly
Liveview
Touch friendly
Display technology TFT LCD monitor with brightness/color adjustment and AR coating -
Viewfinder Information
Viewfinder Optical (pentaprism) Electronic
Viewfinder resolution - 1,440k dots
Viewfinder coverage 100 percent 100 percent
Viewfinder magnification 0.61x 0.59x
Features
Min shutter speed 30s 30s
Max shutter speed 1/6000s 1/2000s
Continuous shutter rate 6.0 frames per second 10.0 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) -
Flash modes Auto, On, Off, Red-eye, Slow Sync, Slow Sync+Redeye, Trailing Curtain Sync, Wireless -
Hot shoe
AEB
WB bracketing
Max flash synchronize 1/180s 1/2000s
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) 1920 x 1080 (60p/60i/24p), 1280 x 720 (60p/30p/24p/120p), 1440 x 1080 (30 fps), 640 x 480 (30 fps)
Highest video resolution 1920x1080 1920x1080
Video file format MPEG-4, H.264 MPEG-4, AVCHD, XAVC S
Mic port
Headphone port
Connectivity
Wireless None Built-In
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 650 grams (1.43 pounds) 290 grams (0.64 pounds)
Dimensions 130 x 97 x 71mm (5.1" x 3.8" x 2.8") 102 x 58 x 41mm (4.0" x 2.3" x 1.6")
DXO scores
DXO Overall score 79 67
DXO Color Depth score 23.7 22.4
DXO Dynamic range score 13.0 12.3
DXO Low light score 1120 495
Other
Battery life 410 photos 320 photos
Battery type Battery Pack Battery Pack
Battery model D-LI109 NP-BX1
Self timer Yes ( 2 or 12 seconds) Yes (2 or 10 sec, self-portrait, continuous)
Time lapse feature With downloadable app
Type of storage SD/SDHC/SDXC SD/ SDHC/SDXC, Memory Stick Pro Duo/ Pro-HG Duo
Card slots Single Single
Cost at release $610 $748