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Pentax K-1 II vs Sony RX1R II

Portability
55
Imaging
77
Features
82
Overall
79
Pentax K-1 Mark II front
 
Sony Cyber-shot DSC-RX1R II front
Portability
78
Imaging
75
Features
65
Overall
71

Pentax K-1 II vs Sony RX1R II Key Specs

Pentax K-1 II
(Full Review)
  • 36MP - Full frame Sensor
  • 3.2" Fully Articulated Display
  • ISO 100 - 819200
  • Sensor based 5-axis Image Stabilization
  • No Anti-Alias Filter
  • 1/8000s Max Shutter
  • 1920 x 1080 video
  • Pentax KAF4 Mount
  • 1010g - 137 x 110 x 86mm
  • Released February 2018
  • Replaced the Pentax K-1
Sony RX1R II
(Full Review)
  • 42MP - Full frame Sensor
  • 3" Tilting Display
  • ISO 50 - 25600 (Boost to 102400)
  • No Anti-Alias Filter
  • 1920 x 1080 video
  • 35mm (F2.0) lens
  • 507g - 113 x 65 x 72mm
  • Introduced October 2015
  • Superseded the Sony RX1R
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Pentax K-1 II vs Sony RX1R II Overview

Lets look closer at the Pentax K-1 II and Sony RX1R II, one being a Advanced DSLR and the other is a Large Sensor Compact by competitors Pentax and Sony. The sensor resolution of the K-1 II (36MP) and the RX1R II (42MP) is very comparable and they come with the same exact sensor size (Full frame).

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The K-1 II was announced 2 years later than the RX1R II and that is a fairly significant gap as far as camera technology is concerned. The two cameras offer different body type with the Pentax K-1 II being a Mid-size SLR camera and the Sony RX1R II being a Large Sensor Compact camera.

Before going in to a detailed comparison, below is a simple introduction of how the K-1 II scores versus the RX1R II with respect to portability, imaging, features and an overall grade.

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

 K-1 II RX1R II 
IntroducedFebruary 2018October 2015More recent by 29 months
Display typeFully ArticulatedTiltingFully Articulating display
Display sizing3.2"3"Larger display (+0.2")

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

 RX1R II K-1 II 
Display resolution1229k1037kCrisper display (+192k dot)

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

 K-1 II RX1R II 
Focus manually Very exact focus
Selfie screen No selfie screen
Touch friendly display No Touch friendly display

Pentax K-1 II vs Sony RX1R II Physical Comparison

If you are planning to lug around your camera often, you'll need to take into account its weight and dimensions. The Pentax K-1 II has outer dimensions 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 dimensions of 113mm x 65mm x 72mm (4.4" x 2.6" x 2.8") accompanied by a weight of 507 grams (1.12 lbs).

Analyze the Pentax K-1 II and Sony RX1R II in the all new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into account, the weight of an Interchangeable Lens Camera will change based on the lens you are utilising during that time. Here is the front view measurements comparison of the K-1 II vs the RX1R II.

Pentax K-1 II vs Sony RX1R II size comparison

Looking at dimensions and weight, the portability score of the K-1 II and RX1R II is 55 and 78 respectively.

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

Pentax K-1 II vs Sony RX1R II Sensor Comparison

Quite often, it's difficult to envision the gap in sensor measurements just by checking out specs. The photograph below will help offer you a much better sense of the sensor sizes in the K-1 II and RX1R II.

All in all, both of the cameras enjoy the same exact sensor sizing but not the same resolution. You should expect to see the Sony RX1R II to produce greater detail with its extra 6 Megapixels. Greater resolution will let you crop photos far more aggressively. The fresher K-1 II will have a benefit when it comes to sensor technology.

Pentax K-1 II vs Sony RX1R II sensor size comparison

Pentax K-1 II vs Sony RX1R II Screen and ViewFinder

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

Portrait Comparison

Pentax K-1 II Portrait photography features
Sony RX1R II Portrait photography features
86
you can focus manually
high megapixels (36MP)
sensor size is great (Full frame)
features face detect autofocus
supports RAW formats
85
you can focus manually
above average flash sync speed (1/4,000 seconds)
resolution is great (42 megapixels)
sensor size is large (Full frame)
has face detection focus
saves RAW files
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Street Comparison

Pentax K-1 II Street photography advice
Sony RX1R II Street photography advice
70
screen can move to multiple angles
image stabilization (Sensor based 5-axis)
sensor size is great (Full frame)
supports RAW formats
weather proof
above average high ISO (819,200)
more heavy than competition (1,010 grams)
73
has a tilting screen
sensor size is large (Full frame)
saves RAW files
good ISO range (25,600)
no image stabilization
heavier than competitors (507 grams)
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Sports Comparison

Pentax K-1 II Sports photography details
Sony RX1R II Sports photography details
77
high shutter speed (1/8,000s)
image stabilization (Sensor based 5-axis)
high megapixels (36 megapixels)
sensor size is great (Full frame)
features tracking focus
weather proof
has phase detect autofocus
painfully slow continuous shooting (4.4 fps)
bad battery pack (670 CIPA)
62
resolution is great (42 megapixels)
sensor size is large (Full frame)
has tracking autofocus
supports phase detect auto focus
can't change focal length (35mm)
painfully slow continuous shooting (5.0 frames per second)
no image stabilization
not so great battery (220 per charge)
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Travel Comparison

Pentax K-1 II Travel photography advice
Sony RX1R II Travel photography advice
53
weather proof
high megapixels (36MP)
bad battery pack (670 per charge)
more heavy than competition (1,010 grams)
does not offer selfie friendly screen
59
resolution is great (42MP)
good max aperture (f2.0)
lack of Time Lapse function
not so great battery (220 per charge)
heavier than competitors (507 grams)
display isn't selfie friendly
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Landscape Comparison

Pentax K-1 II Landscape photography details
Sony RX1R II Landscape photography details
82
you can focus manually
change lenses (Pentax KAF4 mount)
screen is a decent size (3.2 inch)
image stabilization (Sensor based 5-axis)
high megapixels (36 megapixels)
sensor size is great (Full frame)
does not have anti-alias filter
above average high ISO (819,200)
supports RAW formats
weather proof
two card slots
bad battery pack (670 shots)
68
you can focus manually
good max aperture (f2.0)
good sized screen (3")
resolution is great (42MP)
sensor size is large (Full frame)
no low pass filter
good ISO range (25,600)
saves RAW files
cannot change lens (fixed lens mount)
can't change focal length (35mm)
no image stabilization
not so great battery (220 per charge)
lack of Time Lapse function
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Vlogging Comparison

Vlogging with Pentax K-1 II
Vlogging with Sony RX1R II
32
image stabilization (Sensor based 5-axis)
features face detect autofocus
high video quality (1920 x 1080 resolution)
has microphone socket
does not offer selfie friendly screen
more heavy than competition (1,010g)
34
good max aperture (f2.0)
has face detection focus
video resolution high (1920 x 1080 resolution)
comes with external mic jack
display isn't selfie friendly
no image stabilization
heavier than competitors (507g)
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Pentax K-1 II vs Sony RX1R II Specifications

Detailed spec comparison table for Pentax K-1 II and Sony RX1R II
 Pentax K-1 Mark IISony Cyber-shot DSC-RX1R II
General Information
Brand Pentax Sony
Model Pentax K-1 Mark II Sony Cyber-shot DSC-RX1R II
Class Advanced DSLR Large Sensor Compact
Released 2018-02-22 2015-10-13
Body design Mid-size SLR Large Sensor Compact
Sensor Information
Powered by PRIME IV 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 36 megapixel 42 megapixel
Anti aliasing filter
Aspect ratio 3:2 1:1, 4:3, 3:2 and 16:9
Full resolution 7360 x 4912 7952 x 5304
Max native ISO 819200 25600
Max boosted ISO - 102400
Lowest native ISO 100 50
RAW files
Autofocusing
Focus manually
Touch focus
Autofocus continuous
Single autofocus
Tracking autofocus
Selective autofocus
Center weighted autofocus
Multi area autofocus
Autofocus live view
Face detect autofocus
Contract detect autofocus
Phase detect autofocus
Number of focus points 33 25
Cross focus points 25 -
Lens
Lens mounting type Pentax KAF4 fixed lens
Lens focal range - 35mm (1x)
Max aperture - f/2.0
Macro focus range - 14cm
Number of lenses 151 -
Crop factor 1 1
Screen
Range of display Fully Articulated Tilting
Display sizing 3.2 inch 3 inch
Display resolution 1,037k dot 1,229k dot
Selfie friendly
Liveview
Touch operation
Viewfinder Information
Viewfinder Optical (pentaprism) Electronic
Viewfinder resolution - 2,359k dot
Viewfinder coverage 100 percent 100 percent
Viewfinder magnification 0.7x 0.74x
Features
Slowest shutter speed 30s 30s
Maximum shutter speed 1/8000s 1/4000s
Continuous shooting speed 4.4 frames per sec 5.0 frames per sec
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Change white balance
Image stabilization
Inbuilt flash
Flash range no built-in flash no built-in flash
Flash options 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
AE bracketing
WB bracketing
Maximum flash sync 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)
Max video resolution 1920x1080 1920x1080
Video data format MPEG-4, H.264 MPEG-4, AVCHD, XAVC S, H.264
Mic input
Headphone input
Connectivity
Wireless 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 Built-In
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS Built-in None
Physical
Environment seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 1010g (2.23 lb) 507g (1.12 lb)
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 score not tested 97
DXO Color Depth score not tested 25.8
DXO Dynamic range score not tested 13.9
DXO Low light score not tested 3204
Other
Battery life 670 shots 220 shots
Form of battery Battery Pack Battery Pack
Battery model D-LI90 NP-BX1
Self timer Yes (2 or 12 sec, custom) Yes (2,5, 10 sec)
Time lapse recording
Storage media Dual SD/SDHC/SDXC (UHS-I) SD/SDHC/SDXC, Memory Stick Pro Duo
Storage slots 2 One
Cost at launch $1,737 $3,300