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Pentax K-50 vs Sony A7R IV

Portability
63
Imaging
58
Features
65
Overall
60
Pentax K-50 front
 
Sony Alpha A7R IV front
Portability
62
Imaging
81
Features
93
Overall
85

Pentax K-50 vs Sony A7R IV Key Specs

Pentax K-50
(Full Review)
  • 16MP - APS-C Sensor
  • 3" Fixed Screen
  • ISO 100 - 51600
  • Sensor based Image Stabilization
  • 1/6000s Max Shutter
  • 1920 x 1080 video
  • Pentax KAF2 Mount
  • 650g - 130 x 97 x 71mm
  • Revealed November 2013
  • Earlier Model is Pentax K-30
Sony A7R IV
(Full Review)
  • 61MP - Full frame Sensor
  • 3" Tilting Screen
  • ISO 100 - 32000 (Increase to 102800)
  • Sensor based 5-axis Image Stabilization
  • No Anti-Alias Filter
  • 1/8000s Maximum Shutter
  • 3840 x 2160 video
  • Sony E Mount
  • 665g - 129 x 96 x 78mm
  • Released July 2019
  • Succeeded the Sony A7R III
  • Successor is Sony A7R V
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Pentax K-50 vs Sony A7R IV Overview

Below, we will be analyzing the Pentax K-50 vs Sony A7R IV, former being a Entry-Level DSLR while the latter is a Pro Mirrorless by competitors Pentax and Sony. There is a substantial difference between the sensor resolutions of the K-50 (16MP) and A7R IV (61MP) and the K-50 (APS-C) and A7R IV (Full frame) come with different sensor measurements.

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The K-50 was brought out 6 years before the A7R IV and that is quite a big difference as far as tech is concerned. The two cameras come with different body type with the Pentax K-50 being a Compact SLR camera and the Sony A7R IV being a SLR-style mirrorless camera.

Before getting through a comprehensive comparison, below is a short overview of how the K-50 grades against the A7R IV with regards to portability, imaging, features and an overall grade.

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Reasons to pick Pentax K-50 over the Sony A7R IV

 K-50 A7R IV 

Reasons to pick Sony A7R IV over the Pentax K-50

 A7R IV K-50 
ReleasedJuly 2019November 2013More recent by 68 months
Screen typeTiltingFixed Tilting screen
Screen resolution1440k921kCrisper screen (+519k dot)
Touch friendly screen Quickly navigate

Common features in the Pentax K-50 and Sony A7R IV

 K-50 A7R IV 
Focus manually More precise focusing
Screen dimension3"3"Identical screen measurements
Selfie screen Missing selfie screen

Pentax K-50 vs Sony A7R IV Physical Comparison

If you're intending to lug around your camera frequently, you should take into account its weight and volume. The Pentax K-50 has exterior dimensions of 130mm x 97mm x 71mm (5.1" x 3.8" x 2.8") and a weight of 650 grams (1.43 lbs) while the Sony A7R IV has sizing of 129mm x 96mm x 78mm (5.1" x 3.8" x 3.1") and a weight of 665 grams (1.47 lbs).

Check the Pentax K-50 vs Sony A7R IV in our newest Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Remember, the weight of an ILC will vary depending on the lens you choose at that time. Below is the front view size comparison of the K-50 against the A7R IV.

Pentax K-50 vs Sony A7R IV size comparison

Factoring in size and weight, the portability score of the K-50 and A7R IV is 63 and 62 respectively.

Pentax K-50 vs Sony A7R IV top view buttons comparison

Pentax K-50 vs Sony A7R IV Sensor Comparison

Usually, it can be hard to imagine the gap between sensor measurements just by checking specs. The graphic underneath will give you a clearer sense of the sensor sizes in the K-50 and A7R IV.

All in all, each of the cameras posses different resolutions and different sensor measurements. The K-50 featuring a tinier sensor is going to make shooting bokeh trickier and the Sony A7R IV will give more detail having its extra 45MP. Higher resolution will let you crop shots somewhat more aggressively. The older K-50 is going to be behind with regard to sensor technology.

Pentax K-50 vs Sony A7R IV sensor size comparison

Pentax K-50 vs Sony A7R IV Screen and ViewFinder

Pentax K-50 vs Sony A7R IV Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax K-50 Portrait photography highlights
Sony A7R IV Portrait photography highlights
74
you can focus manually
MP count decent (16 megapixels)
nice sensor size (APS-C)
comes with face detect focus
exports RAW files
88
has manual focus
sensor resolution is high (61 megapixels)
great sensor size (Full frame)
offers face detection focus
supports RAW formats
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Street Comparison

Street photography with Pentax K-50
Street photography with Sony A7R IV
65
image stabilization (Sensor based)
nice sensor size (APS-C)
exports RAW files
environment sealing
great high ISO (51,600)
screen does not articulate
more heavy than competition (650g)
79
screen tilts up and down
has image stabilization (Sensor based 5-axis)
great sensor size (Full frame)
supports RAW formats
offers touch to focus
environment proofing
above average ISO range (32,000)
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Sports Comparison

Sports photography with Pentax K-50
Sports photography with Sony A7R IV
67
max shutter speed is good (1/6,000 seconds)
image stabilization (Sensor based)
MP count decent (16MP)
nice sensor size (APS-C)
comes with tracking focus
environment sealing
comes with phase detect auto focus
max fps very slow (6.0 frames/s)
terrible battery power (410 CIPA)
90
maximum shutter speed is high (1/8,000 seconds)
has image stabilization (Sensor based 5-axis)
sensor resolution is high (61 megapixels)
great sensor size (Full frame)
offers tracking autofocus
environment proofing
better than average battery pack (670 shots)
sensor has phase detect auto focus
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Travel Comparison

Pentax K-50 Travel photography details
Sony A7R IV Travel photography details
56
environment sealing
MP count decent (16 megapixels)
flash built-in
terrible battery power (410 CIPA)
more heavy than competition (650g)
screen isn't selfie friendly
74
better than average battery pack (670 CIPA)
environment proofing
supports bluetooth
offers touch to focus
sensor resolution is high (61MP)
does not have a selfie friendly screen
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Landscape Comparison

Pentax K-50 Landscape photography factors
Sony A7R IV Landscape photography factors
74
you can focus manually
swap lenses (Pentax KAF2 mount)
screen size is decent (3 inches)
image stabilization (Sensor based)
MP count decent (16 megapixels)
nice sensor size (APS-C)
great high ISO (51,600)
exports RAW files
environment sealing
terrible battery power (410 CIPA)
88
has manual focus
swap lenses (Sony E mount)
decent sized screen (3 inch)
has image stabilization (Sensor based 5-axis)
sensor resolution is high (61 megapixels)
great sensor size (Full frame)
doesnt have anti-alias filter
above average ISO range (32,000)
supports RAW formats
environment proofing
better than average battery pack (670 CIPA)
two card slots
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Vlogging Comparison

Vlogging with Pentax K-50
Vlogging with Sony A7R IV
28
image stabilization (Sensor based)
comes with face detect focus
good video quality (1920 x 1080 resolution)
screen isn't selfie friendly
missing microphone support
more heavy than competition (650 grams)
37
touchscreen enabled
has image stabilization (Sensor based 5-axis)
offers face detection focus
high video quality (3840 x 2160 pixels)
includes external microphone socket
does not have a selfie friendly screen
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Pentax K-50 vs Sony A7R IV Specifications

Detailed spec comparison table for Pentax K-50 and Sony A7R IV
 Pentax K-50Sony Alpha A7R IV
General Information
Brand Pentax Sony
Model type Pentax K-50 Sony Alpha A7R IV
Category Entry-Level DSLR Pro Mirrorless
Revealed 2013-11-27 2019-07-16
Physical type Compact SLR SLR-style mirrorless
Sensor Information
Powered by PRIME M Bionz X
Sensor type CMOS BSI-CMOS
Sensor size APS-C Full frame
Sensor measurements 23.7 x 15.7mm 35.8 x 23.8mm
Sensor surface area 372.1mm² 852.0mm²
Sensor resolution 16MP 61MP
Anti alias filter
Aspect ratio 3:2 1:1, 4:3, 3:2 and 16:9
Highest Possible resolution 4928 x 3264 9504 x 6336
Maximum native ISO 51600 32000
Maximum enhanced ISO - 102800
Minimum native ISO 100 100
RAW files
Minimum enhanced ISO - 50
Autofocusing
Focus manually
Touch to focus
Autofocus continuous
Autofocus single
Autofocus tracking
Selective autofocus
Autofocus center weighted
Multi area autofocus
Autofocus live view
Face detection focus
Contract detection focus
Phase detection focus
Total focus points 11 567
Cross type focus points 9 -
Lens
Lens mount type Pentax KAF2 Sony E
Number of lenses 151 121
Focal length multiplier 1.5 1
Screen
Screen type Fixed Type Tilting
Screen size 3" 3"
Screen resolution 921 thousand dots 1,440 thousand dots
Selfie friendly
Liveview
Touch friendly
Screen tech TFT LCD monitor with brightness/color adjustment and AR coating -
Viewfinder Information
Viewfinder type Optical (pentaprism) Electronic
Viewfinder resolution - 5,760 thousand dots
Viewfinder coverage 100% 100%
Viewfinder magnification 0.61x 0.78x
Features
Min shutter speed 30 seconds 30 seconds
Max shutter speed 1/6000 seconds 1/8000 seconds
Continuous shutter rate 6.0fps 10.0fps
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) no built-in flash
Flash settings Auto, On, Off, Red-eye, Slow Sync, Slow Sync+Redeye, Trailing Curtain Sync, Wireless Flash off, Autoflash, Fill-flash, Slow Sync., Rear Sync., Red-eye reduction, Wireless, Hi-speed sync.
External flash
AE bracketing
WB bracketing
Max flash synchronize 1/180 seconds 1/250 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) 3840 x 2160 @ 30p / 100 Mbps, XAVC S, MP4, H.264, Linear PCM
Maximum video resolution 1920x1080 3840x2160
Video format MPEG-4, H.264 MPEG-4, XAVC S, H.264
Microphone port
Headphone port
Connectivity
Wireless None Built-In
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 3.1 Gen 1(5 GBit/sec)
GPS Optional None
Physical
Environmental sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 650 gr (1.43 pounds) 665 gr (1.47 pounds)
Dimensions 130 x 97 x 71mm (5.1" x 3.8" x 2.8") 129 x 96 x 78mm (5.1" x 3.8" x 3.1")
DXO scores
DXO Overall rating 79 99
DXO Color Depth rating 23.7 26.0
DXO Dynamic range rating 13.0 14.8
DXO Low light rating 1120 3344
Other
Battery life 410 photographs 670 photographs
Type of battery Battery Pack Battery Pack
Battery ID D-LI109 NP-FZ100
Self timer Yes ( 2 or 12 seconds) Yes
Time lapse shooting
Type of storage SD/SDHC/SDXC Dual SD/SDHC/SDXC (UHS-II compatible)
Card slots Single 2
Pricing at release $610 $3,498