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Pentax K-50 vs Sony A9 II

Portability
63
Imaging
57
Features
65
Overall
60
Pentax K-50 front
 
Sony Alpha A9 Mark II front
Portability
62
Imaging
75
Features
93
Overall
82

Pentax K-50 vs Sony A9 II Key Specs

Pentax K-50
(Full Review)
  • 16MP - APS-C Sensor
  • 3" Fixed Screen
  • ISO 100 - 51600
  • Sensor based Image Stabilization
  • 1/6000s Maximum Shutter
  • 1920 x 1080 video
  • Pentax KAF2 Mount
  • 650g - 130 x 97 x 71mm
  • Announced November 2013
  • Replaced the Pentax K-30
Sony A9 II
(Full Review)
  • 24MP - Full frame Sensor
  • 3" Tilting Screen
  • ISO 100 - 51200 (Push to 204800)
  • Sensor based 5-axis Image Stabilization
  • 1/8000s Max Shutter
  • 3840 x 2160 video
  • Sony E Mount
  • 678g - 129 x 96 x 76mm
  • Introduced October 2019
  • Succeeded the Sony A9
Photography Glossary

Pentax K-50 vs Sony A9 II Overview

Below, we will be looking at the Pentax K-50 versus Sony A9 II, one is a Entry-Level DSLR and the latter is a Pro Mirrorless by rivals Pentax and Sony. There exists a sizeable gap between the sensor resolutions of the K-50 (16MP) and A9 II (24MP) and the K-50 (APS-C) and A9 II (Full frame) possess totally different sensor sizing.

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The K-50 was announced 6 years before the A9 II which is quite a large gap as far as technology is concerned. Both the cameras come with different body type with the Pentax K-50 being a Compact SLR camera and the Sony A9 II being a SLR-style mirrorless camera.

Before diving straight into a step-by-step comparison, below is a short summary of how the K-50 grades vs the A9 II with respect to portability, imaging, features and an overall score.

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Reasons to pick Pentax K-50 over the Sony A9 II

 K-50 A9 II 

Reasons to pick Sony A9 II over the Pentax K-50

 A9 II K-50 
IntroducedOctober 2019November 2013More modern by 71 months
Screen typeTiltingFixed Tilting screen
Screen resolution1440k921kCrisper screen (+519k dot)
Touch screen Quickly navigate

Common features in the Pentax K-50 and Sony A9 II

 K-50 A9 II 
Manual focus Very precise focus
Screen dimension3"3"Identical screen measurement
Selfie screen Neither contains selfie screen

Pentax K-50 vs Sony A9 II Physical Comparison

If you're planning to carry around your camera often, you'll have to factor its weight and size. The Pentax K-50 has got exterior measurements of 130mm x 97mm x 71mm (5.1" x 3.8" x 2.8") along with a weight of 650 grams (1.43 lbs) while the Sony A9 II has specifications of 129mm x 96mm x 76mm (5.1" x 3.8" x 3.0") accompanied by a weight of 678 grams (1.49 lbs).

Check the Pentax K-50 versus Sony A9 II in the latest Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into consideration, the weight of an Interchangeable Lens Camera will change based on the lens you are utilising at that time. Below is the front view scale comparison of the K-50 vs the A9 II.

Pentax K-50 vs Sony A9 II size comparison

Taking into account dimensions and weight, the portability score of the K-50 and A9 II is 63 and 62 respectively.

Pentax K-50 vs Sony A9 II top view buttons comparison

Pentax K-50 vs Sony A9 II Sensor Comparison

Typically, it is tough to envision the difference between sensor sizes simply by reading through technical specs. The pic below will help give you a greater sense of the sensor measurements in the K-50 and A9 II.

As you have seen, each of the cameras posses different megapixel count and different sensor sizes. The K-50 having a tinier sensor will make getting bokeh trickier and the Sony A9 II will give you greater detail with its extra 8MP. Higher resolution can also make it easier to crop pictures somewhat more aggressively. The more aged K-50 is going to be behind in sensor innovation.

Pentax K-50 vs Sony A9 II sensor size comparison

Pentax K-50 vs Sony A9 II Screen and ViewFinder

Pentax K-50 vs Sony A9 II Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax K-50 Portrait photography information
Sony A9 II Portrait photography information
74
focusing manually
MP count good (16 megapixels)
good sensor size (APS-C)
provides face detection focusing
exports RAW files
85
manual focus
decent MP (24MP)
sensor size is big (Full frame)
has face detection focusing
exports RAW formats
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Street Comparison

Pentax K-50 as a Street photography camera
Sony A9 II as a Street photography camera
64
has image stabilization (Sensor based)
good sensor size (APS-C)
exports RAW files
weather proof
good high ISO (51,600)
screen is fixed
heavier than competition (650 grams)
78
screen tilts up and down
built in image stabilization (Sensor based 5-axis)
sensor size is big (Full frame)
exports RAW formats
includes touch to focus
weather sealing
good high ISO (51,200)
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Sports Comparison

Pentax K-50 Sports photography info
Sony A9 II Sports photography info
67
high shutter speed (1/6,000 seconds)
has image stabilization (Sensor based)
MP count good (16MP)
good sensor size (APS-C)
provides tracking autofocus
weather proof
comes with phase detect AF
slow continuous shooting (6.0 fps)
not so great battery power (410 CIPA)
87
high shutter speed (1/8,000s)
silent mode (1/32,000s)
fast continuous shooting (20.0 frames per second)
built in image stabilization (Sensor based 5-axis)
decent MP (24 megapixels)
sensor size is big (Full frame)
has tracking autofocus
weather sealing
great battery power (690 CIPA)
has phase detect AF
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Travel Comparison

Travel photography with Pentax K-50
Travel photography with Sony A9 II
56
weather proof
MP count good (16MP)
has built in flash
not so great battery power (410 CIPA)
heavier than competition (650g)
doesn't contain selfie friendly display
73
great battery power (690 shots)
weather sealing
connects via bluetooth
includes touch to focus
decent MP (24 megapixels)
screen is not selfie friendly
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Landscape Comparison

Pentax K-50 Landscape photography advice
Sony A9 II Landscape photography advice
74
focusing manually
interchangeable lenses (Pentax KAF2 mount)
good sized screen (3 inch)
has image stabilization (Sensor based)
MP count good (16 megapixels)
good sensor size (APS-C)
good high ISO (51,600)
exports RAW files
weather proof
not so great battery power (410 shots)
86
manual focus
change lenses (Sony E mount)
decent sized screen (3 inch)
built in image stabilization (Sensor based 5-axis)
decent MP (24MP)
sensor size is big (Full frame)
good high ISO (51,200)
exports RAW formats
weather sealing
great battery power (690 per charge)
has dual storage slots
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Vlogging Comparison

Vlogging with Pentax K-50
Vlogging with Sony A9 II
28
has image stabilization (Sensor based)
provides face detection focusing
video resolution high (1920 x 1080 pixels)
doesn't contain selfie friendly display
lack of external mic jack
heavier than competition (650g)
36
touchscreen
built in image stabilization (Sensor based 5-axis)
has face detection focusing
video res high (3840 x 2160 pixels)
has external mic jack
screen is not selfie friendly
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Pentax K-50 vs Sony A9 II Specifications

Detailed spec comparison table for Pentax K-50 and Sony A9 II
 Pentax K-50Sony Alpha A9 Mark II
General Information
Manufacturer Pentax Sony
Model type Pentax K-50 Sony Alpha A9 Mark II
Type Entry-Level DSLR Pro Mirrorless
Announced 2013-11-27 2019-10-03
Body design Compact SLR SLR-style mirrorless
Sensor Information
Chip PRIME M BIONZ X
Sensor type CMOS BSI-CMOS
Sensor size APS-C Full frame
Sensor dimensions 23.7 x 15.7mm 35.6 x 23.8mm
Sensor surface area 372.1mm² 847.3mm²
Sensor resolution 16 megapixels 24 megapixels
Anti alias filter
Aspect ratio 3:2 3:2
Maximum resolution 4928 x 3264 6000 x 4000
Maximum native ISO 51600 51200
Maximum boosted ISO - 204800
Min native ISO 100 100
RAW pictures
Min boosted ISO - 50
Autofocusing
Manual focusing
Touch to focus
Continuous AF
AF single
Tracking AF
AF selectice
Center weighted AF
AF multi area
Live view AF
Face detection focusing
Contract detection focusing
Phase detection focusing
Total focus points 11 693
Cross type focus points 9 -
Lens
Lens support Pentax KAF2 Sony E
Amount of lenses 151 121
Crop factor 1.5 1
Screen
Range of screen Fixed Type Tilting
Screen sizing 3 inch 3 inch
Screen resolution 921 thousand dot 1,440 thousand dot
Selfie friendly
Liveview
Touch functionality
Screen technology TFT LCD monitor with brightness/color adjustment and AR coating -
Viewfinder Information
Viewfinder type Optical (pentaprism) Electronic
Viewfinder resolution - 3,686 thousand dot
Viewfinder coverage 100% 100%
Viewfinder magnification 0.61x 0.78x
Features
Lowest shutter speed 30 secs 30 secs
Highest shutter speed 1/6000 secs 1/8000 secs
Highest silent shutter speed - 1/32000 secs
Continuous shooting speed 6.0 frames/s 20.0 frames/s
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Custom WB
Image stabilization
Integrated 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
White balance bracketing
Highest flash sync 1/180 secs -
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Supported 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 file format MPEG-4, H.264 MPEG-4, AVCHD, H.264
Mic input
Headphone input
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
Environment seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 650g (1.43 pounds) 678g (1.49 pounds)
Dimensions 130 x 97 x 71mm (5.1" x 3.8" x 2.8") 129 x 96 x 76mm (5.1" x 3.8" x 3.0")
DXO scores
DXO All around rating 79 not tested
DXO Color Depth rating 23.7 not tested
DXO Dynamic range rating 13.0 not tested
DXO Low light rating 1120 not tested
Other
Battery life 410 photographs 690 photographs
Form of battery Battery Pack Battery Pack
Battery ID D-LI109 NP-FZ100
Self timer Yes ( 2 or 12 seconds) Yes (2, 5, 10 secs + continuous, 3 or 5 frames)
Time lapse recording
Storage media SD/SDHC/SDXC Dual SD/SDHC/SDXC slots (UHS-II compatible)
Storage slots One Dual
Launch pricing $610 $4,498