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Pentax K-1 vs Sony A7 III

Portability
55
Imaging
75
Features
82
Overall
77
Pentax K-1 front
 
Sony Alpha A7 III front
Portability
63
Imaging
73
Features
92
Overall
80

Pentax K-1 vs Sony A7 III Key Specs

Pentax K-1
(Full Review)
  • 36MP - Full frame Sensor
  • 3.2" Fully Articulated Screen
  • 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
  • Renewed by Pentax K-1 II
Sony A7 III
(Full Review)
  • 24MP - Full frame Sensor
  • 3" Tilting Display
  • ISO 100 - 51200 (Increase to 204800)
  • Sensor based 5-axis Image Stabilization
  • 1/8000s Maximum Shutter
  • 3840 x 2160 video
  • Sony E Mount
  • 650g - 127 x 96 x 74mm
  • Revealed February 2018
  • Earlier Model is Sony A7 II
  • Successor is Sony A7 IV
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Pentax K-1 vs Sony A7 III Overview

Here, we are analyzing the Pentax K-1 vs Sony A7 III, former being a Advanced DSLR while the other is a Pro Mirrorless by manufacturers Pentax and Sony. There exists a considerable gap among the sensor resolutions of the K-1 (36MP) and A7 III (24MP) but both cameras offer the identical sensor measurements (Full frame).

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The K-1 was introduced 24 months prior to the A7 III making them a generation apart from one another. The two cameras feature different body design with the Pentax K-1 being a Mid-size SLR camera and the Sony A7 III being a SLR-style mirrorless camera.

Before delving right into a in depth comparison, here is a concise summation of how the K-1 scores vs the A7 III in relation to portability, imaging, features and an overall grade.

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Reasons to pick Pentax K-1 over the Sony A7 III

 K-1 A7 III 
Display typeFully ArticulatedTiltingFully Articulating display
Display size3.2"3"Larger display (+0.2")
Display resolution1037k922kClearer display (+115k dot)

Reasons to pick Sony A7 III over the Pentax K-1

 A7 III K-1 
RevealedFebruary 2018February 2016More recent by 24 months
Touch display Easily navigate

Common features in the Pentax K-1 and Sony A7 III

 K-1 A7 III 
Manually focus More exact focus
Selfie screen Neither provides selfie screen

Pentax K-1 vs Sony A7 III Physical Comparison

For anyone who is looking to lug around your camera often, you will need to factor its weight and dimensions. The Pentax K-1 provides external 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 A7 III has dimensions of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") and a weight of 650 grams (1.43 lbs).

Examine the Pentax K-1 vs Sony A7 III in our brand 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 are utilising during that time. Below is a front view proportions comparison of the K-1 against the A7 III.

Pentax K-1 vs Sony A7 III size comparison

Taking into account dimensions and weight, the portability grade of the K-1 and A7 III is 55 and 63 respectively.

Pentax K-1 vs Sony A7 III top view buttons comparison

Pentax K-1 vs Sony A7 III Sensor Comparison

Sometimes, it can be tough to visualize the gap in sensor measurements only by viewing specifications. The visual underneath should provide you a much better sense of the sensor sizing in the K-1 and A7 III.

To sum up, both the cameras feature the identical sensor size but different MP. You can anticipate the Pentax K-1 to provide you with more detail using its extra 12MP. Greater resolution will also allow you to crop photos way more aggressively. The older K-1 will be disadvantaged when it comes to sensor innovation.

Pentax K-1 vs Sony A7 III sensor size comparison

Pentax K-1 vs Sony A7 III Screen and ViewFinder

Pentax K-1 vs Sony A7 III Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax K-1 Portrait photography factors
Sony A7 III Portrait photography factors
85
you can focus manually
great resolution (36MP)
large sensor size (Full frame)
comes with face detection autofocus
exports RAW formats
83
manual focus
MP count decent (24MP)
great sensor size (Full frame)
supports face detection focus
exports RAW files
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Street Comparison

Pentax K-1 Street photography advice
Sony A7 III Street photography advice
70
screen articulates
built in image stabilization (Sensor based 5-axis)
large sensor size (Full frame)
exports RAW formats
weather sealing
great ISO range (204,800)
heavier than competition (1,010 grams)
78
screen tilts
built in image stabilization (Sensor based 5-axis)
great sensor size (Full frame)
exports RAW files
provides focus via touch
weather proofing
good ISO range (51,200)
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Sports Comparison

Pentax K-1 Sports photography factors
Sony A7 III Sports photography factors
76
high shutter speed (1/8,000 seconds)
built in image stabilization (Sensor based 5-axis)
great resolution (36MP)
large sensor size (Full frame)
comes with tracking autofocus
weather sealing
has phase detect autofocus
very slow continuous shooting (4.4 fps)
bad battery power (760 per charge)
86
maximum shutter speed is high (1/8,000s)
built in image stabilization (Sensor based 5-axis)
MP count decent (24MP)
great sensor size (Full frame)
supports tracking autofocus
weather proofing
better than average battery power (610 CIPA)
comes with phase detect auto focus
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Travel Comparison

Pentax K-1 Travel photography information
Sony A7 III Travel photography information
53
weather sealing
great resolution (36 megapixels)
bad battery power (760 shots)
heavier than competition (1,010g)
display is not selfie friendly
73
better than average battery power (610 shots)
weather proofing
has bluetooth
provides focus via touch
MP count decent (24 megapixels)
screen isn't selfie friendly
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Landscape Comparison

Pentax K-1 as a Landscape photography camera
Sony A7 III as a Landscape photography camera
81
you can focus manually
interchangeable lenses (Pentax KAF2 mount)
pretty good screen size (3.2 inches)
built in image stabilization (Sensor based 5-axis)
great resolution (36MP)
large sensor size (Full frame)
doesnt have anti aliasing filter
great ISO range (204,800)
exports RAW formats
weather sealing
2 card slots
bad battery power (760 per charge)
85
manual focus
change lenses (Sony E mount)
screen is a decent size (3 inches)
built in image stabilization (Sensor based 5-axis)
MP count decent (24 megapixels)
great sensor size (Full frame)
good ISO range (51,200)
exports RAW files
weather proofing
better than average battery power (610 shots)
has dual storage slots
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Vlogging Comparison

Pentax K-1 as a Vlogging camera
Sony A7 III as a Vlogging camera
31
built in image stabilization (Sensor based 5-axis)
comes with face detection autofocus
great video quality (1920 x 1080 pxls)
has external mic support
display is not selfie friendly
heavier than competition (1,010g)
36
screen is touchscreen
built in image stabilization (Sensor based 5-axis)
supports face detection focus
high quality video (3840 x 2160 pixels)
does have external microphone jack
screen isn't selfie friendly
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Pentax K-1 vs Sony A7 III Specifications

Detailed spec comparison table for Pentax K-1 and Sony A7 III
 Pentax K-1Sony Alpha A7 III
General Information
Brand Pentax Sony
Model Pentax K-1 Sony Alpha A7 III
Class Advanced DSLR Pro Mirrorless
Released 2016-02-17 2018-02-27
Body design Mid-size SLR SLR-style mirrorless
Sensor Information
Powered by - Bionz X
Sensor type CMOS BSI-CMOS
Sensor size Full frame Full frame
Sensor measurements 35.9 x 24mm 35.8 x 23.8mm
Sensor surface area 861.6mm² 852.0mm²
Sensor resolution 36MP 24MP
Anti aliasing filter
Aspect ratio 3:2 3:2 and 16:9
Maximum resolution 7360 x 4912 6000 x 4000
Maximum native ISO 204800 51200
Maximum boosted ISO - 204800
Min native ISO 100 100
RAW photos
Min boosted ISO - 50
Autofocusing
Focus manually
AF touch
AF continuous
AF single
Tracking AF
AF selectice
AF center weighted
Multi area AF
Live view AF
Face detection focusing
Contract detection focusing
Phase detection focusing
Number of focus points 33 693
Cross focus points 25 -
Lens
Lens mounting type Pentax KAF2 Sony E
Number of lenses 151 121
Crop factor 1 1
Screen
Range of screen Fully Articulated Tilting
Screen size 3.2" 3"
Screen resolution 1,037 thousand dot 922 thousand dot
Selfie friendly
Liveview
Touch screen
Viewfinder Information
Viewfinder type Optical (pentaprism) Electronic
Viewfinder resolution - 2,359 thousand dot
Viewfinder coverage 100% 100%
Viewfinder magnification 0.7x 0.78x
Features
Lowest shutter speed 30s 30s
Highest shutter speed 1/8000s 1/8000s
Continuous shooting speed 4.4 frames/s 10.0 frames/s
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Change WB
Image stabilization
Integrated flash
Flash range no built-in flash no built-in flash
Flash settings 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 no built-in flash
Hot shoe
AE bracketing
WB bracketing
Highest flash sync 1/200s -
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Supported video resolutions 1920 x 1080 (60i, 50i, 30p, 25p, 24p), 1280 x 720 (60p, 50p) 3840 x 2160 (30p, 24p) 1920 x 1080 (120p, 60p, 60i, 24p), 1440 x 1080 (30p), 640 x 480 (30p)
Maximum video resolution 1920x1080 3840x2160
Video file format MPEG-4, H.264 MPEG-4, AVCHD, XAVC S, H.264
Microphone input
Headphone input
Connectivity
Wireless Built-In Built-In
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 3.1 Gen 1 (5 GBit/sec)
GPS Built-in None
Physical
Environment seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 1010 gr (2.23 lb) 650 gr (1.43 lb)
Physical dimensions 137 x 110 x 86mm (5.4" x 4.3" x 3.4") 127 x 96 x 74mm (5.0" x 3.8" x 2.9")
DXO scores
DXO All around score 96 96
DXO Color Depth score 25.4 25.0
DXO Dynamic range score 14.6 14.7
DXO Low light score 3280 3730
Other
Battery life 760 shots 610 shots
Form of battery Battery Pack Battery Pack
Battery model D-LI90 NP-FZ100
Self timer Yes (2 or 12 sec, custom) Yes (2 or 10 sec; continuous (3 or 5 exposures))
Time lapse shooting
Storage media Dual SD/SDHC/SDXC (UHS-I) SD/SDHC/SDXC, Memory Stick Duo/Pro Duo/Pro-HG Duo
Storage slots Dual Dual
Price at launch $1,499 $1,998