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Pentax K-50 vs Sony A6400

Portability
63
Imaging
58
Features
65
Overall
60
Pentax K-50 front
 
Sony Alpha a6400 front
Portability
83
Imaging
69
Features
88
Overall
76

Pentax K-50 vs Sony A6400 Key Specs

Pentax K-50
(Full Review)
  • 16MP - APS-C Sensor
  • 3" Fixed Display
  • ISO 100 - 51600
  • Sensor based Image Stabilization
  • 1/6000s Maximum Shutter
  • 1920 x 1080 video
  • Pentax KAF2 Mount
  • 650g - 130 x 97 x 71mm
  • Released November 2013
  • Previous Model is Pentax K-30
Sony A6400
(Full Review)
  • 24MP - APS-C Sensor
  • 3" Tilting Display
  • ISO 100 - 32000 (Push to 102400)
  • 3840 x 2160 video
  • Sony E Mount
  • 403g - 120 x 67 x 50mm
  • Launched January 2019
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Pentax K-50 vs Sony A6400 Overview

Let's look more closely at the Pentax K-50 vs Sony A6400, former is a Entry-Level DSLR while the other is a Advanced Mirrorless by brands Pentax and Sony. There is a considerable difference between the sensor resolutions of the K-50 (16MP) and A6400 (24MP) but both cameras provide the same sensor sizing (APS-C).

Photography Glossary

The K-50 was released 6 years before the A6400 which is quite a large difference as far as tech is concerned. The two cameras have different body design with the Pentax K-50 being a Compact SLR camera and the Sony A6400 being a Rangefinder-style mirrorless camera.

Before getting right into a step-by-step comparison, here is a short highlight of how the K-50 grades versus the A6400 in the way of portability, imaging, features and an overall mark.

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Reasons to pick Pentax K-50 over the Sony A6400

 K-50 A6400 

Reasons to pick Sony A6400 over the Pentax K-50

 A6400 K-50 
LaunchedJanuary 2019November 2013Newer by 62 months
Display typeTiltingFixed Tilting display
Display resolution922k921kClearer display (+1k dot)
Selfie screen Take selfies
Touch friendly display Easily navigate

Common features in the Pentax K-50 and Sony A6400

 K-50 A6400 
Manually focus Dial accurate focusing
Display dimensions3"3"Equal display measurement

Pentax K-50 vs Sony A6400 Physical Comparison

For anyone who is intending to travel with your camera frequently, you have to factor its weight and measurements. The Pentax K-50 has got 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) and the Sony A6400 has proportions of 120mm x 67mm x 50mm (4.7" x 2.6" x 2.0") having a weight of 403 grams (0.89 lbs).

Compare the Pentax K-50 vs Sony A6400 in our completely new Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Bear in mind, the weight of an ILC will differ depending on the lens you choose at the time. Below is a front view scale comparison of the K-50 and the A6400.

Pentax K-50 vs Sony A6400 size comparison

Factoring in size and weight, the portability rating of the K-50 and A6400 is 63 and 83 respectively.

Pentax K-50 vs Sony A6400 top view buttons comparison

Pentax K-50 vs Sony A6400 Sensor Comparison

Oftentimes, it is very difficult to visualize the contrast between sensor dimensions only by looking at a spec sheet. The image underneath should give you a far better sense of the sensor dimensions in the K-50 and A6400.

As you can see, the 2 cameras have the same sensor dimensions but different MP. You can expect to see the Sony A6400 to give you greater detail as a result of its extra 8 Megapixels. Greater resolution will also let you crop images a bit more aggressively. The more aged K-50 is going to be behind in sensor tech.

Pentax K-50 vs Sony A6400 sensor size comparison

Pentax K-50 vs Sony A6400 Screen and ViewFinder

Pentax K-50 vs Sony A6400 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax K-50 Portrait photography advice
Sony A6400 Portrait photography advice
74
focusing manually
decent MP (16MP)
nice sensor size (APS-C)
includes face detection autofocus
exports RAW files
81
you can focus manually
good resolution (24 megapixels)
nice sensor size (APS-C)
supports face detection focusing
saves RAW files
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Street Comparison

Pentax K-50 as a Street photography camera
Sony A6400 as a Street photography camera
65
has image stabilization (Sensor based)
nice sensor size (APS-C)
exports RAW files
environment proofing
above average ISO range (51,600)
fixed screen
heavier than others (650g)
81
screen tilts up and down
nice sensor size (APS-C)
saves RAW files
provides touch to focus
environment proof
above average ISO range (32,000)
does not have image stabilization
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Sports Comparison

Pentax K-50 Sports photography factors
Sony A6400 Sports photography factors
67
max shutter speed is good (1/6,000s)
has image stabilization (Sensor based)
decent MP (16MP)
nice sensor size (APS-C)
includes tracking autofocus
environment proofing
comes with phase detect autofocus
continuous shooting slow (6.0 fps)
low battery power (410 shots)
76
good resolution (24MP)
nice sensor size (APS-C)
supports tracking autofocus
environment proof
comes with phase detect AF
does not have image stabilization
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Travel Comparison

Pentax K-50 as a Travel photography camera
Sony A6400 as a Travel photography camera
56
environment proofing
decent MP (16MP)
flash built-in
low battery power (410 shots)
heavier than others (650g)
doesn't have a selfie friendly screen
87
environment proof
supports bluetooth
provides touch to focus
good resolution (24MP)
has built in flash
selfie friendly display
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Landscape Comparison

Pentax K-50 Landscape photography factors
Sony A6400 Landscape photography factors
74
focusing manually
swap lenses (Pentax KAF2 mount)
decent sized screen (3")
has image stabilization (Sensor based)
decent MP (16 megapixels)
nice sensor size (APS-C)
above average ISO range (51,600)
exports RAW files
environment proofing
low battery power (410 shots)
80
you can focus manually
switch lenses (Sony E mount)
good sized screen (3 inches)
good resolution (24MP)
nice sensor size (APS-C)
above average ISO range (32,000)
saves RAW files
environment proof
does not have image stabilization
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Vlogging Comparison

Vlogging with Pentax K-50
Vlogging with Sony A6400
28
has image stabilization (Sensor based)
includes face detection autofocus
good video quality (1920 x 1080 pxls)
doesn't have a selfie friendly screen
no external mic socket
heavier than others (650 grams)
80
selfie friendly display
touchscreen functionality
supports face detection focusing
high res video (3840 x 2160 resolution)
does have external mic socket
does not have image stabilization
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Pentax K-50 vs Sony A6400 Specifications

Detailed spec comparison table for Pentax K-50 and Sony A6400
 Pentax K-50Sony Alpha a6400
General Information
Manufacturer Pentax Sony
Model Pentax K-50 Sony Alpha a6400
Category Entry-Level DSLR Advanced Mirrorless
Released 2013-11-27 2019-01-15
Physical type Compact SLR Rangefinder-style mirrorless
Sensor Information
Chip PRIME M Bionz X
Sensor type CMOS CMOS
Sensor size APS-C APS-C
Sensor dimensions 23.7 x 15.7mm 23.5 x 15.6mm
Sensor area 372.1mm² 366.6mm²
Sensor resolution 16 megapixel 24 megapixel
Anti aliasing filter
Aspect ratio 3:2 1:1, 3:2 and 16:9
Highest resolution 4928 x 3264 6000 x 4000
Highest native ISO 51600 32000
Highest boosted ISO - 102400
Min native ISO 100 100
RAW pictures
Autofocusing
Manual focus
Touch to focus
AF continuous
AF single
AF tracking
Selective AF
AF center weighted
Multi area AF
AF live view
Face detect AF
Contract detect AF
Phase detect AF
Number of focus points 11 425
Cross focus points 9 -
Lens
Lens mount Pentax KAF2 Sony E
Amount of lenses 151 121
Focal length multiplier 1.5 1.5
Screen
Display type Fixed Type Tilting
Display size 3 inches 3 inches
Resolution of display 921k dots 922k dots
Selfie friendly
Liveview
Touch function
Display technology TFT LCD monitor with brightness/color adjustment and AR coating -
Viewfinder Information
Viewfinder type Optical (pentaprism) Electronic
Viewfinder resolution - 2,359k dots
Viewfinder coverage 100 percent 100 percent
Viewfinder magnification 0.61x 0.7x
Features
Slowest shutter speed 30 seconds 30 seconds
Maximum shutter speed 1/6000 seconds 1/4000 seconds
Continuous shooting rate 6.0fps 11.0fps
Shutter priority
Aperture priority
Manual mode
Exposure compensation Yes Yes
Set WB
Image stabilization
Integrated flash
Flash range 12.00 m (at ISO 100) 6.00 m (at ISO 100)
Flash settings Auto, On, Off, Red-eye, Slow Sync, Slow Sync+Redeye, Trailing Curtain Sync, Wireless Off, auto, on, slow sync, rear sync, redeye reduction, wireless, hi-speed sync
External flash
Auto exposure bracketing
WB bracketing
Maximum flash synchronize 1/180 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
Highest video resolution 1920x1080 3840x2160
Video data format MPEG-4, H.264 MPEG-4, H.264, XAVC-S
Mic port
Headphone port
Connectivity
Wireless None Built-In
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS Optional None
Physical
Environmental sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 650g (1.43 pounds) 403g (0.89 pounds)
Physical dimensions 130 x 97 x 71mm (5.1" x 3.8" x 2.8") 120 x 67 x 50mm (4.7" x 2.6" x 2.0")
DXO scores
DXO All around score 79 83
DXO Color Depth score 23.7 24.0
DXO Dynamic range score 13.0 13.6
DXO Low light score 1120 1431
Other
Battery life 410 photographs 410 photographs
Battery type Battery Pack Battery Pack
Battery model D-LI109 NP-FW50
Self timer Yes ( 2 or 12 seconds) Yes
Time lapse recording
Type of storage SD/SDHC/SDXC SD/SDHC/SDXC/Memory Stick DUO (UHS-I compliant)
Card slots 1 1
Retail cost $610 $898