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Pentax K-30 vs Sony RX100 III

Portability
63
Imaging
57
Features
66
Overall
60
Pentax K-30 front
 
Sony Cyber-shot DSC-RX100 III front
Portability
89
Imaging
51
Features
77
Overall
61

Pentax K-30 vs Sony RX100 III Key Specs

Pentax K-30
(Full Review)
  • 16MP - APS-C Sensor
  • 3" Fixed Display
  • ISO 100 - 12800 (Expand to 25600)
  • Sensor based Image Stabilization
  • 1/6000s Maximum Shutter
  • 1920 x 1080 video
  • Pentax KAF2 Mount
  • 650g - 130 x 97 x 71mm
  • Launched October 2012
  • Successor is Pentax K-50
Sony RX100 III
(Full Review)
  • 20MP - 1" Sensor
  • 3" Tilting Display
  • 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
  • Succeeded the Sony RX100 II
  • Later Model is Sony RX100 IV
Photography Glossary

Pentax K-30 vs Sony RX100 III Overview

Here, we are analyzing the Pentax K-30 versus Sony RX100 III, one is a Advanced DSLR and the other is a Large Sensor Compact by companies Pentax and Sony. The resolution of the K-30 (16MP) and the RX100 III (20MP) is fairly similar but the K-30 (APS-C) and RX100 III (1") have totally different sensor sizing.

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The K-30 was unveiled 18 months prior to the RX100 III making them a generation away from each other. The two cameras feature different body design with the Pentax K-30 being a Mid-size SLR camera and the Sony RX100 III being a Large Sensor Compact camera.

Before getting into a thorough comparison, here is a brief summary of how the K-30 scores vs the RX100 III when it comes to portability, imaging, features and an overall score.

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Reasons to pick Pentax K-30 over the Sony RX100 III

 K-30 RX100 III 

Reasons to pick Sony RX100 III over the Pentax K-30

 RX100 III K-30 
RevealedMay 2014October 2012More modern by 18 months
Display typeTiltingFixed Tilting display
Display resolution1229k921kCrisper display (+308k dot)
Selfie screen Take selfies

Common features in the Pentax K-30 and Sony RX100 III

 K-30 RX100 III 
Manual focus Very precise focus
Display size3"3"Same display measurement
Touch display Missing Touch display

Pentax K-30 vs Sony RX100 III Physical Comparison

If you are intending to carry around your camera frequently, you should factor its weight and measurements. The Pentax K-30 comes with physical dimensions of 130mm x 97mm x 71mm (5.1" x 3.8" x 2.8") and a weight of 650 grams (1.43 lbs) and the Sony RX100 III has proportions of 102mm x 58mm x 41mm (4.0" x 2.3" x 1.6") along with a weight of 290 grams (0.64 lbs).

Analyze the Pentax K-30 versus Sony RX100 III in the all new Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Remember that, the weight of an Interchangeable Lens Camera will vary dependant on the lens you are utilising at that moment. The following is a front view scale comparison of the K-30 against the RX100 III.

Pentax K-30 vs Sony RX100 III size comparison

Considering size and weight, the portability rating of the K-30 and RX100 III is 63 and 89 respectively.

Pentax K-30 vs Sony RX100 III top view buttons comparison

Pentax K-30 vs Sony RX100 III Sensor Comparison

Generally, it can be tough to visualise the difference between sensor sizes simply by reading technical specs. The image underneath should provide you a more clear sense of the sensor sizes in the K-30 and RX100 III.

As you have seen, both of the cameras feature different resolutions and different sensor sizes. The K-30 having a larger sensor will make shooting bokeh less difficult and the Sony RX100 III will deliver extra detail having an extra 4MP. Greater resolution will help you crop images way more aggressively. The more aged K-30 is going to be behind when it comes to sensor tech.

Pentax K-30 vs Sony RX100 III sensor size comparison

Pentax K-30 vs Sony RX100 III Screen and ViewFinder

Pentax K-30 vs Sony RX100 III Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax K-30 Portrait photography highlights
Sony RX100 III Portrait photography highlights
74
manual focus
decent sensor resolution (16 megapixels)
sensor size is nice (APS-C)
supports face detect focusing
supports RAW formats
64
you can focus manually
high flash sync speed (1/2,000 seconds)
good megapixels (20 megapixels)
nice sensor size (1")
has face detect focusing
supports RAW formats
external flash not possible
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Street Comparison

Pentax K-30 Street photography factors
Sony RX100 III Street photography factors
68
built in image stabilization (Sensor based)
sensor size is nice (APS-C)
supports RAW formats
weather proofing
screen does not articulate
85
has a tilting screen
built in image stabilization (Optical)
nice sensor size (1")
supports RAW formats
lighter than competitors (290g)
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Sports Comparison

Pentax K-30 Sports photography advice
Sony RX100 III Sports photography advice
67
maximum shutter speed is high (1/6,000s)
built in image stabilization (Sensor based)
decent sensor resolution (16MP)
sensor size is nice (APS-C)
supports tracking focus
weather proofing
comes with phase detect AF
very slow continuous shooting (6.0 fps)
terrible battery pack (410 CIPA)
65
built in image stabilization (Optical)
good megapixels (20MP)
nice sensor size (1")
has tracking focus
does not have phase detect AF
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Travel Comparison

Pentax K-30 Travel photography info
Sony RX100 III Travel photography info
60
weather proofing
decent sensor resolution (16MP)
flash built-in
terrible battery pack (410 per charge)
screen is not selfie friendly
85
lighter than competitors (290g)
good megapixels (20MP)
flash built-in
display is selfie friendly
decently wide (24mm)
good maximum aperture (f1.8)
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Landscape Comparison

Landscape photography with Pentax K-30
Landscape photography with Sony RX100 III
73
manual focus
swap lenses (Pentax KAF2 mount)
screen size is decent (3 inches)
built in image stabilization (Sensor based)
decent sensor resolution (16 megapixels)
sensor size is nice (APS-C)
supports RAW formats
weather proofing
terrible battery pack (410 shots)
73
you can focus manually
decently wide (24mm)
good maximum aperture (f1.8)
screen is a good size (3")
built in image stabilization (Optical)
good megapixels (20MP)
nice sensor size (1")
supports RAW formats
can't switch lens (fixed lens mount)
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Vlogging Comparison

Pentax K-30 Vlogging factors
Sony RX100 III Vlogging factors
30
built in image stabilization (Sensor based)
supports face detect focusing
video res high (1920 x 1080 pxls)
screen is not selfie friendly
no mic support
80
decently wide (24mm)
good maximum aperture (f1.8)
display is selfie friendly
built in image stabilization (Optical)
has face detect focusing
video res high (1920 x 1080 resolution)
lighter than competitors (290g)
does not have microphone jack
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Pentax K-30 vs Sony RX100 III Specifications

Detailed spec comparison table for Pentax K-30 and Sony RX100 III
 Pentax K-30Sony Cyber-shot DSC-RX100 III
General Information
Manufacturer Pentax Sony
Model type Pentax K-30 Sony Cyber-shot DSC-RX100 III
Type Advanced DSLR Large Sensor Compact
Launched 2012-10-29 2014-05-15
Body design Mid-size SLR Large Sensor Compact
Sensor Information
Processor Prime M Bionz X
Sensor type CMOS BSI-CMOS
Sensor size APS-C 1"
Sensor measurements 23.7 x 15.7mm 13.2 x 8.8mm
Sensor surface area 372.1mm² 116.2mm²
Sensor resolution 16MP 20MP
Anti alias 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 12800 12800
Highest enhanced ISO 25600 -
Min native ISO 100 125
RAW files
Autofocusing
Focus manually
Autofocus touch
Continuous autofocus
Single autofocus
Tracking autofocus
Autofocus selectice
Autofocus center weighted
Autofocus multi area
Live view autofocus
Face detect autofocus
Contract detect autofocus
Phase detect autofocus
Total focus points 11 25
Cross type focus points 9 -
Lens
Lens mount type Pentax KAF2 fixed lens
Lens zoom range - 24-70mm (2.9x)
Largest aperture - f/1.8-2.8
Macro focusing distance - 5cm
Available lenses 151 -
Focal length multiplier 1.5 2.7
Screen
Range of display Fixed Type Tilting
Display sizing 3 inch 3 inch
Display resolution 921 thousand dot 1,229 thousand dot
Selfie friendly
Liveview
Touch function
Display tech TFT LCD monitor with brightness/color adjustment and AR coating -
Viewfinder Information
Viewfinder Optical (pentaprism) Electronic
Viewfinder resolution - 1,440 thousand dot
Viewfinder coverage 100% 100%
Viewfinder magnification 0.61x 0.59x
Features
Min shutter speed 30 seconds 30 seconds
Max shutter speed 1/6000 seconds 1/2000 seconds
Continuous shutter speed 6.0 frames per second 10.0 frames per second
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Custom white balance
Image stabilization
Built-in flash
Flash distance 12.00 m (at ISO 100) -
Flash settings Auto, On, Off, Red-eye,Slow Sync, Slow Sync+ Redeye, Trailing Curtain Sync, Wireless -
Hot shoe
AEB
WB bracketing
Max flash sync 1/180 seconds 1/2000 seconds
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
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 data format MPEG-4, H.264 MPEG-4, AVCHD, XAVC S
Microphone input
Headphone input
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
Environmental seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 650g (1.43 lbs) 290g (0.64 lbs)
Physical 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 rating 79 67
DXO Color Depth rating 23.7 22.4
DXO Dynamic range rating 13.0 12.3
DXO Low light rating 1129 495
Other
Battery life 410 pictures 320 pictures
Battery format Battery Pack Battery Pack
Battery ID D-LI109,4 x AA NP-BX1
Self timer Yes ( 2 or 12 seconds) Yes (2 or 10 sec, self-portrait, continuous)
Time lapse shooting With downloadable app
Type of storage SD/SDHC/SDXC SD/ SDHC/SDXC, Memory Stick Pro Duo/ Pro-HG Duo
Storage slots 1 1
Price at release $525 $748