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Pentax K-3 II vs Sony RX1

Portability
59
Imaging
66
Features
84
Overall
73
Pentax K-3 II front
 
Sony Cyber-shot DSC-RX1 front
Portability
79
Imaging
70
Features
57
Overall
64

Pentax K-3 II vs Sony RX1 Key Specs

Pentax K-3 II
(Full Review)
  • 24MP - APS-C Sensor
  • 3.2" Fixed Display
  • 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
  • Revealed April 2015
  • Old Model is Pentax K-3
Sony RX1
(Full Review)
  • 24MP - Full frame Sensor
  • 3" Fixed Display
  • ISO 100 - 25600
  • 1920 x 1080 video
  • 35mm (F2.0-22.0) lens
  • 482g - 113 x 65 x 70mm
  • Revealed February 2013
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Pentax K-3 II vs Sony RX1 Overview

In this write-up, we are contrasting the Pentax K-3 II vs Sony RX1, former being a Advanced DSLR while the other is a Large Sensor Compact by competitors Pentax and Sony. The resolution of the K-3 II (24MP) and the RX1 (24MP) is very similar but the K-3 II (APS-C) and RX1 (Full frame) use different sensor measurements.

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The K-3 II was announced 2 years later than the RX1 and that is quite a serious difference as far as technology is concerned. Each of the cameras offer different body type with the Pentax K-3 II being a Mid-size SLR camera and the Sony RX1 being a Large Sensor Compact camera.

Before delving through a in depth comparison, below is a short overview of how the K-3 II grades vs the RX1 in relation to portability, imaging, features and an overall rating.

Photography Glossary
	
	

Reasons to pick Pentax K-3 II over the Sony RX1

 K-3 II RX1 
RevealedApril 2015February 2013Fresher by 27 months
Display sizing3.2"3"Larger display (+0.2")

Reasons to pick Sony RX1 over the Pentax K-3 II

 RX1 K-3 II 
Display resolution1229k1037kSharper display (+192k dot)

Common features in the Pentax K-3 II and Sony RX1

 K-3 II RX1 
Focus manually Dial precise focus
Display typeFixed Fixed Fixed display
Selfie screen Neither offers selfie screen
Touch friendly display Missing Touch friendly display

Pentax K-3 II vs Sony RX1 Physical Comparison

For anybody who is going to carry your camera often, you should consider its weight and dimensions. The Pentax K-3 II offers physical dimensions of 131mm x 100mm x 77mm (5.2" x 3.9" x 3.0") accompanied by a weight of 800 grams (1.76 lbs) while the Sony RX1 has dimensions of 113mm x 65mm x 70mm (4.4" x 2.6" x 2.8") having a weight of 482 grams (1.06 lbs).

Take a look at the Pentax K-3 II vs Sony RX1 in our completely new Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Bear in mind, the weight of an ILC will change dependant on the lens you are employing during that time. The following is the front view overall size comparison of the K-3 II versus the RX1.

Pentax K-3 II vs Sony RX1 size comparison

Looking at dimensions and weight, the portability grade of the K-3 II and RX1 is 59 and 79 respectively.

Pentax K-3 II vs Sony RX1 top view buttons comparison

Pentax K-3 II vs Sony RX1 Sensor Comparison

More often than not, it is very hard to imagine the contrast between sensor sizing merely by reviewing a spec sheet. The photograph below might provide you a much better sense of the sensor sizes in the K-3 II and RX1.

Clearly, both the cameras enjoy the same exact megapixels but different sensor sizing. The K-3 II comes with the tinier sensor which should make getting shallow DOF trickier. The more modern K-3 II should have an edge in sensor technology.

Pentax K-3 II vs Sony RX1 sensor size comparison

Pentax K-3 II vs Sony RX1 Screen and ViewFinder

Pentax K-3 II vs Sony RX1 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax K-3 II Portrait photography advice
Sony RX1 Portrait photography advice
79
manual focus
megapixel count decent (24 megapixels)
sensor size is nice (APS-C)
offers face detect focus
saves RAW formats
82
you can focus manually
flash sync is higher than normal (1/4,000 seconds)
good megapixels (24MP)
sensor size is great (Full frame)
has face detect focus
supports RAW files
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Street Comparison

Pentax K-3 II Street photography highlights
Sony RX1 Street photography highlights
69
built in image stabilization (Sensor based)
sensor size is nice (APS-C)
saves RAW formats
environment proofing
good ISO range (51,200)
no moving screen
66
sensor size is great (Full frame)
supports RAW files
great high ISO (25,600)
no moving screen
lack of image stabilization
heavier than competition in class (482g)
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Sports Comparison

Pentax K-3 II as a Sports photography camera
Sony RX1 as a Sports photography camera
76
max shutter speed is good (1/8,000s)
built in image stabilization (Sensor based)
megapixel count decent (24 megapixels)
sensor size is nice (APS-C)
offers tracking focus
environment proofing
sensor has phase detect auto focus
bad battery (720 CIPA)
53
good megapixels (24 megapixels)
sensor size is great (Full frame)
has tracking focus
can't change focal length (35mm)
very slow continuous shooting (5.0 fps)
lack of image stabilization
low battery pack (270 per charge)
does not have phase detect auto focus
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Travel Comparison

Pentax K-3 II Travel photography information
Sony RX1 Travel photography information
56
environment proofing
megapixel count decent (24 megapixels)
bad battery (720 shots)
screen is not selfie friendly
62
good megapixels (24MP)
built-in flash
great maximum aperture (f2.0)
missing Time Lapse mode
low battery pack (270 shots)
heavier than competition in class (482g)
display isn't selfie friendly
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Landscape Comparison

Pentax K-3 II Landscape photography factors
Sony RX1 Landscape photography factors
78
manual focus
swap lenses (Pentax KAF2 mount)
decent sized screen (3.2")
built in image stabilization (Sensor based)
megapixel count decent (24 megapixels)
sensor size is nice (APS-C)
does not have low pass filter
good ISO range (51,200)
saves RAW formats
environment proofing
has dual storage slots
bad battery (720 CIPA)
65
you can focus manually
great maximum aperture (f2.0)
nice screen size (3 inch)
good megapixels (24MP)
sensor size is great (Full frame)
great high ISO (25,600)
supports RAW files
cannot switch lens (fixed lens mount)
can't change focal length (35mm)
lack of image stabilization
low battery pack (270 CIPA)
missing Time Lapse mode
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Vlogging Comparison

Pentax K-3 II Vlogging highlights
Sony RX1 Vlogging highlights
34
built in image stabilization (Sensor based)
offers face detect focus
high res video (1920 x 1080 pxls)
includes mic jack
screen is not selfie friendly
34
great maximum aperture (f2.0)
has face detect focus
video res high (1920 x 1080 pxls)
does have mic support
display isn't selfie friendly
lack of image stabilization
heavier than competition in class (482g)
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Pentax K-3 II vs Sony RX1 Specifications

Detailed spec comparison table for Pentax K-3 II and Sony RX1
 Pentax K-3 IISony Cyber-shot DSC-RX1
General Information
Brand Pentax Sony
Model Pentax K-3 II Sony Cyber-shot DSC-RX1
Class Advanced DSLR Large Sensor Compact
Revealed 2015-04-23 2013-02-19
Physical type Mid-size SLR Large Sensor Compact
Sensor Information
Processor Prime III -
Sensor type CMOS CMOS
Sensor size APS-C Full frame
Sensor dimensions 23.5 x 15.6mm 35.8 x 23.8mm
Sensor area 366.6mm² 852.0mm²
Sensor resolution 24 megapixel 24 megapixel
Anti aliasing filter
Aspect ratio 3:2 3:2 and 16:9
Highest Possible resolution 6016 x 4000 6000 x 4000
Maximum native ISO 51200 25600
Min native ISO 100 100
RAW photos
Autofocusing
Manual focus
Autofocus touch
Autofocus continuous
Single autofocus
Autofocus tracking
Selective autofocus
Center weighted autofocus
Multi area autofocus
Autofocus live view
Face detect autofocus
Contract detect autofocus
Phase detect autofocus
Number of focus points 27 25
Cross focus points 25 -
Lens
Lens mounting type Pentax KAF2 fixed lens
Lens focal range - 35mm (1x)
Maximal aperture - f/2.0-22.0
Available lenses 151 -
Focal length multiplier 1.5 1
Screen
Type of display Fixed Type Fixed Type
Display sizing 3.2" 3"
Resolution of display 1,037k dots 1,229k dots
Selfie friendly
Liveview
Touch operation
Display technology - Xtra FineTFT LCD
Viewfinder Information
Viewfinder type Optical (pentaprism) Electronic and Optical (optional)
Viewfinder coverage 100 percent -
Viewfinder magnification 0.64x -
Features
Min shutter speed 30s 30s
Max shutter speed 1/8000s 1/4000s
Continuous shutter rate 8.3 frames/s 5.0 frames/s
Shutter priority
Aperture priority
Manual mode
Exposure compensation Yes Yes
Custom white balance
Image stabilization
Built-in flash
Flash range no built-in flash 6.00 m
Flash settings 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 Sync
Hot shoe
AE bracketing
WB bracketing
Max flash synchronize 1/180s 1/4000s
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Supported video resolutions 1920 x 1080 (60i, 50i, 30p, 25p, 24p), 1280 x 720 (60p, 50p, 30p, 25p, 24p) 1920 x 1080 (60, 50, 25, 24 fps), 1440 x 1080 (30, 25 fps), 1280 x 720 (30 fps), 640 x 480 (30, 25 fps)
Maximum video resolution 1920x1080 1920x1080
Video file format MPEG-4, H.264 MPEG-4, AVCHD
Mic support
Headphone support
Connectivity
Wireless Optional Eye-Fi Connected
Bluetooth
NFC
HDMI
USB USB 3.0 (5 GBit/sec) USB 2.0 (480 Mbit/sec)
GPS BuiltIn None
Physical
Environmental sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 800 grams (1.76 pounds) 482 grams (1.06 pounds)
Dimensions 131 x 100 x 77mm (5.2" x 3.9" x 3.0") 113 x 65 x 70mm (4.4" x 2.6" x 2.8")
DXO scores
DXO Overall score 80 93
DXO Color Depth score 23.6 25.1
DXO Dynamic range score 13.6 14.3
DXO Low light score 1106 2534
Other
Battery life 720 shots 270 shots
Battery style Battery Pack Battery Pack
Battery model D-LI90 NP-BX1
Self timer Yes ( 2 or 12 seconds) Yes (2 or 10 sec)
Time lapse shooting
Storage type Dual SD/SDHC/SDXC SD/SDHC/SDXC, Memory Stick Duo/Pro Duo/Pro-HG Duo
Card slots 2 1
Retail price $829 $2,798