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Pentax K-1 vs Sony RX1R II

Portability
55
Imaging
75
Features
82
Overall
77
Pentax K-1 front
 
Sony Cyber-shot DSC-RX1R II front
Portability
78
Imaging
75
Features
65
Overall
71

Pentax K-1 vs Sony RX1R II Key Specs

Pentax K-1
(Full Review)
  • 36MP - Full frame Sensor
  • 3.2" Fully Articulated Display
  • ISO 100 - 204800
  • Sensor based 5-axis Image Stabilization
  • No Anti-Alias Filter
  • 1/8000s Maximum Shutter
  • 1920 x 1080 video
  • Pentax KAF2 Mount
  • 1010g - 137 x 110 x 86mm
  • Released February 2016
  • Later Model is Pentax K-1 II
Sony RX1R II
(Full Review)
  • 42MP - Full frame Sensor
  • 3" Tilting Screen
  • ISO 50 - 25600 (Bump to 102400)
  • No Anti-Alias Filter
  • 1920 x 1080 video
  • 35mm (F2.0) lens
  • 507g - 113 x 65 x 72mm
  • Launched October 2015
  • Superseded the Sony RX1R
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Pentax K-1 vs Sony RX1R II Overview

On this page, we will be comparing the Pentax K-1 versus Sony RX1R II, former is a Advanced DSLR while the latter is a Large Sensor Compact by brands Pentax and Sony. The sensor resolution of the K-1 (36MP) and the RX1R II (42MP) is relatively close and both cameras offer the same sensor sizes (Full frame).

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The K-1 was announced 5 months after the RX1R II which means that they are of a similar age. Both cameras have different body design with the Pentax K-1 being a Mid-size SLR camera and the Sony RX1R II being a Large Sensor Compact camera.

Before diving into a more detailed comparison, here is a short summary of how the K-1 grades versus the RX1R II in relation to portability, imaging, features and an overall score.

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Reasons to pick Pentax K-1 over the Sony RX1R II

 K-1 RX1R II 
Screen typeFully ArticulatedTiltingFully Articulating screen
Screen dimensions3.2"3"Bigger screen (+0.2")

Reasons to pick Sony RX1R II over the Pentax K-1

 RX1R II K-1 
Screen resolution1229k1037kCrisper screen (+192k dot)

Common features in the Pentax K-1 and Sony RX1R II

 K-1 RX1R II 
LaunchedFebruary 2016October 2015Same age
Focus manually Very precise focus
Selfie screen Lacking selfie screen
Touch friendly screen Neither comes with Touch friendly screen

Pentax K-1 vs Sony RX1R II Physical Comparison

If you're going to carry around your camera, you'll have to factor in its weight and proportions. The Pentax K-1 comes with outside measurements of 137mm x 110mm x 86mm (5.4" x 4.3" x 3.4") accompanied by a weight of 1010 grams (2.23 lbs) and the Sony RX1R II has measurements of 113mm x 65mm x 72mm (4.4" x 2.6" x 2.8") along with a weight of 507 grams (1.12 lbs).

Examine the Pentax K-1 versus Sony RX1R II in our completely new Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Don't forget, the weight of an ILC will change dependant on the lens you have attached during that time. Below is a front view proportions comparison of the K-1 compared to the RX1R II.

Pentax K-1 vs Sony RX1R II size comparison

Considering dimensions and weight, the portability grade of the K-1 and RX1R II is 55 and 78 respectively.

Pentax K-1 vs Sony RX1R II top view buttons comparison

Pentax K-1 vs Sony RX1R II Sensor Comparison

Typically, its tough to envision the gap in sensor sizes simply by researching specs. The pic here might provide you a clearer sense of the sensor measurements in the K-1 and RX1R II.

As you can plainly see, the 2 cameras have the same sensor dimensions albeit not the same resolution. You can count on the Sony RX1R II to result in more detail with its extra 6MP. Higher resolution will allow you to crop pictures a bit more aggressively.

Pentax K-1 vs Sony RX1R II sensor size comparison

Pentax K-1 vs Sony RX1R II Screen and ViewFinder

Pentax K-1 vs Sony RX1R II Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Portrait photography with Pentax K-1
Portrait photography with Sony RX1R II
85
has manual focus
amazing MP (36 megapixels)
sensor size is great (Full frame)
provides face detection focus
delivers RAW files
85
manual focus
high flash sync speed (1/4,000s)
MP count excellent (42 megapixels)
large sensor size (Full frame)
has face detect focus
saves RAW formats
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Street Comparison

Street photography with Pentax K-1
Street photography with Sony RX1R II
70
screen articulates
has image stabilization (Sensor based 5-axis)
sensor size is great (Full frame)
delivers RAW files
environment proofing
great ISO range (204,800)
heavier than competition (1,010g)
73
screen tilts
large sensor size (Full frame)
saves RAW formats
above average high ISO (25,600)
lack of image stabilization
heavier than others (507g)
Photography Glossary

Sports Comparison

Pentax K-1 as a Sports photography camera
Sony RX1R II as a Sports photography camera
76
high shutter speed (1/8,000s)
has image stabilization (Sensor based 5-axis)
amazing MP (36MP)
sensor size is great (Full frame)
provides tracking autofocus
environment proofing
comes with phase detect auto focus
very slow continuous shooting (4.4 frames per second)
terrible battery life (760 CIPA)
62
MP count excellent (42 megapixels)
large sensor size (Full frame)
has tracking focus
comes with phase detect auto focus
fixed focal length (35mm)
max fps very slow (5.0 frames/s)
lack of image stabilization
not so great battery (220 shots)
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Travel Comparison

Pentax K-1 as a Travel photography camera
Sony RX1R II as a Travel photography camera
53
environment proofing
amazing MP (36MP)
terrible battery life (760 shots)
heavier than competition (1,010 grams)
screen isn't selfie friendly
59
MP count excellent (42 megapixels)
fast maximum aperture (f2.0)
no Time Lapse function
not so great battery (220 per charge)
heavier than others (507 grams)
display is not selfie friendly
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Landscape Comparison

Pentax K-1 Landscape photography highlights
Sony RX1R II Landscape photography highlights
81
has manual focus
swap lenses (Pentax KAF2 mount)
pretty good screen size (3.2 inch)
has image stabilization (Sensor based 5-axis)
amazing MP (36MP)
sensor size is great (Full frame)
no anti aliasing filter
great ISO range (204,800)
delivers RAW files
environment proofing
2 card slots
terrible battery life (760 per charge)
68
manual focus
fast maximum aperture (f2.0)
screen size is good (3 inch)
MP count excellent (42MP)
large sensor size (Full frame)
no anti aliasing filter
above average high ISO (25,600)
saves RAW formats
can't switch lens (fixed lens mount)
fixed focal length (35mm)
lack of image stabilization
not so great battery (220 per charge)
no Time Lapse function
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Vlogging Comparison

Pentax K-1 Vlogging factors
Sony RX1R II Vlogging factors
31
has image stabilization (Sensor based 5-axis)
provides face detection focus
video res high (1920 x 1080 pxls)
does have external mic support
screen isn't selfie friendly
heavier than competition (1,010g)
34
fast maximum aperture (f2.0)
has face detect focus
high quality video (1920 x 1080 pixels)
does have mic socket
display is not selfie friendly
lack of image stabilization
heavier than others (507 grams)
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Pentax K-1 vs Sony RX1R II Specifications

Detailed spec comparison table for Pentax K-1 and Sony RX1R II
 Pentax K-1Sony Cyber-shot DSC-RX1R II
General Information
Make Pentax Sony
Model type Pentax K-1 Sony Cyber-shot DSC-RX1R II
Category Advanced DSLR Large Sensor Compact
Released 2016-02-17 2015-10-13
Physical type Mid-size SLR Large Sensor Compact
Sensor Information
Processor Chip - BIONZ X
Sensor type CMOS BSI-CMOS
Sensor size Full frame Full frame
Sensor dimensions 35.9 x 24mm 35.9 x 24mm
Sensor surface area 861.6mm² 861.6mm²
Sensor resolution 36MP 42MP
Anti alias filter
Aspect ratio 3:2 1:1, 4:3, 3:2 and 16:9
Highest resolution 7360 x 4912 7952 x 5304
Highest native ISO 204800 25600
Highest boosted ISO - 102400
Min native ISO 100 50
RAW photos
Autofocusing
Manual focusing
Touch focus
AF continuous
Single AF
Tracking AF
AF selectice
AF center weighted
Multi area AF
Live view AF
Face detect AF
Contract detect AF
Phase detect AF
Total focus points 33 25
Cross type focus points 25 -
Lens
Lens mount type Pentax KAF2 fixed lens
Lens zoom range - 35mm (1x)
Largest aperture - f/2.0
Macro focusing range - 14cm
Total lenses 151 -
Crop factor 1 1
Screen
Type of display Fully Articulated Tilting
Display diagonal 3.2" 3"
Resolution of display 1,037 thousand dots 1,229 thousand dots
Selfie friendly
Liveview
Touch display
Viewfinder Information
Viewfinder Optical (pentaprism) Electronic
Viewfinder resolution - 2,359 thousand dots
Viewfinder coverage 100% 100%
Viewfinder magnification 0.7x 0.74x
Features
Slowest shutter speed 30s 30s
Maximum shutter speed 1/8000s 1/4000s
Continuous shooting rate 4.4fps 5.0fps
Shutter priority
Aperture priority
Manual mode
Exposure compensation Yes Yes
Set WB
Image stabilization
Inbuilt flash
Flash distance no built-in flash no built-in flash
Flash modes 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 Off, auto, fill flash, slow sync, rear sync, wireless
Hot shoe
AEB
WB bracketing
Maximum flash synchronize 1/200s 1/4000s
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Supported video resolutions 1920 x 1080 (60i, 50i, 30p, 25p, 24p), 1280 x 720 (60p, 50p) 1920 x 1080 (60p, 60i, 30p, 24p), 1280 x 720 (120p, 30p)
Highest video resolution 1920x1080 1920x1080
Video data format MPEG-4, H.264 MPEG-4, AVCHD, XAVC S, H.264
Mic port
Headphone port
Connectivity
Wireless Built-In Built-In
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS Built-in None
Physical
Environment sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 1010 grams (2.23 lbs) 507 grams (1.12 lbs)
Physical dimensions 137 x 110 x 86mm (5.4" x 4.3" x 3.4") 113 x 65 x 72mm (4.4" x 2.6" x 2.8")
DXO scores
DXO All around rating 96 97
DXO Color Depth rating 25.4 25.8
DXO Dynamic range rating 14.6 13.9
DXO Low light rating 3280 3204
Other
Battery life 760 shots 220 shots
Form of battery Battery Pack Battery Pack
Battery ID D-LI90 NP-BX1
Self timer Yes (2 or 12 sec, custom) Yes (2,5, 10 sec)
Time lapse feature
Storage type Dual SD/SDHC/SDXC (UHS-I) SD/SDHC/SDXC, Memory Stick Pro Duo
Card slots Two One
Pricing at launch $1,499 $3,300