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Pentax K-70 vs Sony A9 II

Portability
62
Imaging
65
Features
81
Overall
71
Pentax K-70 front
 
Sony Alpha A9 Mark II front
Portability
62
Imaging
74
Features
93
Overall
81

Pentax K-70 vs Sony A9 II Key Specs

Pentax K-70
(Full Review)
  • 24MP - APS-C Sensor
  • 3" Fully Articulated Display
  • ISO 100 - 102400
  • Sensor based Image Stabilization
  • No Anti-Alias Filter
  • 1/6000s Max Shutter
  • 1920 x 1080 video
  • Pentax KAF2 Mount
  • 688g - 126 x 93 x 74mm
  • Revealed June 2016
  • Updated by Pentax KF
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
  • Announced October 2019
  • Replaced the Sony A9
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Pentax K-70 vs Sony A9 II Overview

Lets look a bit more closely at the Pentax K-70 vs Sony A9 II, one is a Entry-Level DSLR and the latter is a Pro Mirrorless by competitors Pentax and Sony. The sensor resolution of the K-70 (24MP) and the A9 II (24MP) is relatively similar but the K-70 (APS-C) and A9 II (Full frame) come with totally different sensor size.

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The K-70 was announced 4 years before the A9 II which is quite a significant gap as far as technology is concerned. Both cameras offer different body type with the Pentax K-70 being a Compact SLR camera and the Sony A9 II being a SLR-style mirrorless camera.

Before diving through a full comparison, below is a simple summary of how the K-70 grades vs the A9 II when considering portability, imaging, features and an overall score.

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Reasons to pick Pentax K-70 over the Sony A9 II

 K-70 A9 II 
Screen typeFully ArticulatedTiltingFully Articulating screen
Selfie screen Easy selfies

Reasons to pick Sony A9 II over the Pentax K-70

 A9 II K-70 
AnnouncedOctober 2019June 2016More modern by 40 months
Screen resolution1440k921kSharper screen (+519k dot)
Touch screen Quickly navigate

Common features in the Pentax K-70 and Sony A9 II

 K-70 A9 II 
Manual focus More accurate focus
Screen sizing3"3"Equivalent screen size

Pentax K-70 vs Sony A9 II Physical Comparison

For anyone who is intending to carry around your camera frequently, you will need to factor in its weight and volume. The Pentax K-70 enjoys external measurements of 126mm x 93mm x 74mm (5.0" x 3.7" x 2.9") accompanied by a weight of 688 grams (1.52 lbs) and the Sony A9 II has sizing of 129mm x 96mm x 76mm (5.1" x 3.8" x 3.0") and a weight of 678 grams (1.49 lbs).

Look at the Pentax K-70 vs Sony A9 II in the new Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Bear in mind, the weight of an Interchangeable Lens Camera will differ based on the lens you have chosen at that moment. Below is the front view physical size comparison of the K-70 compared to the A9 II.

Pentax K-70 vs Sony A9 II size comparison

Taking into account dimensions and weight, the portability grade of the K-70 and A9 II is 62 and 62 respectively.

Pentax K-70 vs Sony A9 II top view buttons comparison

Pentax K-70 vs Sony A9 II Sensor Comparison

Normally, its tough to see the contrast between sensor sizes simply by going over technical specs. The pic underneath may offer you a clearer sense of the sensor sizing in the K-70 and A9 II.

As you have seen, the 2 cameras enjoy the same exact megapixels albeit not the same sensor sizes. The K-70 has got the tinier sensor which will make obtaining shallow DOF more challenging. The more aged K-70 is going to be disadvantaged when it comes to sensor technology.

Pentax K-70 vs Sony A9 II sensor size comparison

Pentax K-70 vs Sony A9 II Screen and ViewFinder

Pentax K-70 vs Sony A9 II Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax K-70 Portrait photography advice
Sony A9 II Portrait photography advice
79
you can focus manually
good megapixels (24MP)
good sensor size (APS-C)
comes with face detect focus
exports RAW formats
84
you can focus manually
good megapixels (24 megapixels)
sensor size is great (Full frame)
includes face detection focus
supports RAW formats
Photography Glossary

Street Comparison

Street photography with Pentax K-70
Street photography with Sony A9 II
71
screen can move to multiple angles
built in image stabilization (Sensor based)
good sensor size (APS-C)
exports RAW formats
environment sealing
very good ISO range (102,400)
more heavy than competition (688g)
78
screen tilts up and down
has image stabilization (Sensor based 5-axis)
sensor size is great (Full frame)
supports RAW formats
offers touch to focus
environment proof
great ISO range (51,200)
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Sports Comparison

Pentax K-70 Sports photography features
Sony A9 II Sports photography features
71
maximum shutter speed is high (1/6,000 seconds)
built in image stabilization (Sensor based)
good megapixels (24MP)
good sensor size (APS-C)
comes with tracking focus
environment sealing
comes with phase detect auto focus
slow fps (6.0 fps)
terrible battery power (410 shots)
87
great max shutter speed (1/8,000s)
quiet mode (1/32,000s)
fast continuous shooting (20.0 frames/s)
has image stabilization (Sensor based 5-axis)
good megapixels (24MP)
sensor size is great (Full frame)
includes tracking autofocus
environment proof
great battery pack (690 per charge)
sensor has phase detect auto focus
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Travel Comparison

Pentax K-70 Travel photography features
Sony A9 II Travel photography features
64
environment sealing
good megapixels (24 megapixels)
flash built-in
selfie friendly display
terrible battery power (410 CIPA)
more heavy than competition (688 grams)
72
great battery pack (690 shots)
environment proof
connects via bluetooth
offers touch to focus
good megapixels (24 megapixels)
does not offer selfie friendly display
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Landscape Comparison

Pentax K-70 Landscape photography details
Sony A9 II Landscape photography details
77
you can focus manually
switch lenses (Pentax KAF2 mount)
good sized screen (3")
built in image stabilization (Sensor based)
good megapixels (24MP)
good sensor size (APS-C)
doesnt have anti aliasing filter
very good ISO range (102,400)
exports RAW formats
environment sealing
terrible battery power (410 shots)
85
you can focus manually
interchangeable lenses (Sony E mount)
screen size is good (3 inch)
has image stabilization (Sensor based 5-axis)
good megapixels (24MP)
sensor size is great (Full frame)
great ISO range (51,200)
supports RAW formats
environment proof
great battery pack (690 shots)
2 card slots
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Vlogging Comparison

Pentax K-70 Vlogging factors
Sony A9 II Vlogging factors
71
selfie friendly display
built in image stabilization (Sensor based)
comes with face detect focus
video res high (1920 x 1080 resolution)
does have microphone port
more heavy than competition (688 grams)
36
touchscreen enabled
has image stabilization (Sensor based 5-axis)
includes face detection focus
great video quality (3840 x 2160 pixels)
includes external mic support
does not offer selfie friendly display
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Pentax K-70 vs Sony A9 II Specifications

Detailed spec comparison table for Pentax K-70 and Sony A9 II
 Pentax K-70Sony Alpha A9 Mark II
General Information
Make Pentax Sony
Model type Pentax K-70 Sony Alpha A9 Mark II
Category Entry-Level DSLR Pro Mirrorless
Revealed 2016-06-08 2019-10-03
Physical type Compact SLR SLR-style mirrorless
Sensor Information
Powered by PRIME MII BIONZ X
Sensor type CMOS BSI-CMOS
Sensor size APS-C Full frame
Sensor dimensions 23.5 x 15.6mm 35.6 x 23.8mm
Sensor surface area 366.6mm² 847.3mm²
Sensor resolution 24 megapixels 24 megapixels
Anti alias filter
Aspect ratio 3:2 3:2
Peak resolution 6000 x 4000 6000 x 4000
Highest native ISO 102400 51200
Highest enhanced ISO - 204800
Minimum native ISO 100 100
RAW photos
Minimum enhanced ISO - 50
Autofocusing
Focus manually
Touch to focus
Continuous autofocus
Single autofocus
Tracking autofocus
Selective autofocus
Center weighted autofocus
Autofocus multi area
Autofocus live view
Face detect autofocus
Contract detect autofocus
Phase detect autofocus
Total focus points 11 693
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
Display type Fully Articulated Tilting
Display diagonal 3 inch 3 inch
Display resolution 921k dots 1,440k dots
Selfie friendly
Liveview
Touch operation
Viewfinder Information
Viewfinder type Optical (pentaprism) Electronic
Viewfinder resolution - 3,686k dots
Viewfinder coverage 100 percent 100 percent
Viewfinder magnification 0.63x 0.78x
Features
Min shutter speed 30 secs 30 secs
Max shutter speed 1/6000 secs 1/8000 secs
Max quiet shutter speed - 1/32000 secs
Continuous shutter rate 6.0 frames per sec 20.0 frames per sec
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Set white balance
Image stabilization
Integrated flash
Flash distance 12.00 m (at ISO 100) no built-in flash
Flash options Auto, auto w/redeye reduction, flash on, flash + redeye reduction, slow sync, trailing curtain sync, manual Flash off, Autoflash, Fill-flash, Slow Sync., Rear Sync., Red-eye reduction, Wireless, Hi-speed sync
External flash
Auto exposure bracketing
White balance bracketing
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Video resolutions 1920 x 1080 (60i, 50i, 30p, 25p, 24p), 1280 x 720 (60p, 50p) 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, AVCHD, H.264
Mic support
Headphone support
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 Optional None
Physical
Environmental sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 688 gr (1.52 pounds) 678 gr (1.49 pounds)
Dimensions 126 x 93 x 74mm (5.0" x 3.7" x 2.9") 129 x 96 x 76mm (5.1" x 3.8" x 3.0")
DXO scores
DXO Overall rating not tested not tested
DXO Color Depth rating not tested not tested
DXO Dynamic range rating not tested not tested
DXO Low light rating not tested not tested
Other
Battery life 410 images 690 images
Type of battery Battery Pack Battery Pack
Battery ID - NP-FZ100
Self timer Yes (2 or 12 secs, continuous) Yes (2, 5, 10 secs + continuous, 3 or 5 frames)
Time lapse feature
Type of storage SD/SDHC/SDXC (UHS-I compatible) Dual SD/SDHC/SDXC slots (UHS-II compatible)
Card slots 1 2
Retail pricing $649 $4,498