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Pentax K-3 II vs Sony A99 II

Portability
59
Imaging
66
Features
84
Overall
73
Pentax K-3 II front
 
Sony Alpha A99 II front
Portability
57
Imaging
77
Features
92
Overall
83

Pentax K-3 II vs Sony A99 II Key Specs

Pentax K-3 II
(Full Review)
  • 24MP - APS-C Sensor
  • 3.2" Fixed Screen
  • ISO 100 - 51200
  • Sensor based Image Stabilization
  • No Anti-Alias Filter
  • 1/8000s Maximum Shutter
  • 1920 x 1080 video
  • Pentax KAF2 Mount
  • 800g - 131 x 100 x 77mm
  • Revealed April 2015
  • Succeeded the Pentax K-3
Sony A99 II
(Full Review)
  • 42MP - Full frame Sensor
  • 3" Fully Articulated Screen
  • ISO 100 - 25600 (Expand to 102400)
  • Sensor based 5-axis Image Stabilization
  • No Anti-Alias Filter
  • 1/8000s Maximum Shutter
  • 3840 x 2160 video
  • Sony/Minolta Alpha Mount
  • 849g - 143 x 104 x 76mm
  • Released September 2016
  • Earlier Model is Sony A99
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Pentax K-3 II vs Sony A99 II Overview

Below is a in depth comparison of the Pentax K-3 II vs Sony A99 II, both Advanced DSLR cameras by manufacturers Pentax and Sony. There is a substantial difference among the image resolutions of the K-3 II (24MP) and A99 II (42MP) and the K-3 II (APS-C) and A99 II (Full frame) boast totally different sensor dimensions.

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The K-3 II was manufactured 17 months prior to the A99 II which makes them a generation apart from each other. Both the cameras have the same body design (Mid-size SLR).

Before we go right into a in depth comparison, here is a short summation of how the K-3 II scores against the A99 II for portability, imaging, features and an overall grade.

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Reasons to pick Pentax K-3 II over the Sony A99 II

 K-3 II A99 II 
Screen dimensions3.2"3"Bigger screen (+0.2")

Reasons to pick Sony A99 II over the Pentax K-3 II

 A99 II K-3 II 
ReleasedSeptember 2016April 2015More recent by 17 months
Screen typeFully articulatedFixed Fully Articulating screen
Screen resolution1229k1037kSharper screen (+192k dot)
Selfie screen Take selfies

Common features in the Pentax K-3 II and Sony A99 II

 K-3 II A99 II 
Focus manually Dial precise focusing
Touch screen Missing Touch screen

Pentax K-3 II vs Sony A99 II Physical Comparison

In case you're looking to lug around your camera regularly, you'll have to factor in its weight and proportions. The Pentax K-3 II has got exterior dimensions of 131mm x 100mm x 77mm (5.2" x 3.9" x 3.0") having a weight of 800 grams (1.76 lbs) while the Sony A99 II has measurements of 143mm x 104mm x 76mm (5.6" x 4.1" x 3.0") having a weight of 849 grams (1.87 lbs).

Examine the Pentax K-3 II vs Sony A99 II in our brand new Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Always remember, the weight of an ILC will change based on the lens you select at the time. Here is a front view measurement comparison of the K-3 II compared to the A99 II.

Pentax K-3 II vs Sony A99 II size comparison

Considering size and weight, the portability grade of the K-3 II and A99 II is 59 and 57 respectively.

Pentax K-3 II vs Sony A99 II top view buttons comparison

Pentax K-3 II vs Sony A99 II Sensor Comparison

Often, its tough to visualise the gap in sensor measurements just by viewing technical specs. The photograph here may provide you a clearer sense of the sensor sizes in the K-3 II and A99 II.

As you can tell, each of these cameras have different megapixels and different sensor measurements. The K-3 II due to its smaller sensor will make shooting shallow DOF tougher and the Sony A99 II will provide you with greater detail due to its extra 18 Megapixels. Higher resolution can also make it easier to crop pictures a bit more aggressively. The older K-3 II will be behind with regard to sensor technology.

Pentax K-3 II vs Sony A99 II sensor size comparison

Pentax K-3 II vs Sony A99 II Screen and ViewFinder

Pentax K-3 II vs Sony A99 II Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax K-3 II Portrait photography features
Sony A99 II Portrait photography features
79
manual focus
resolution is good (24MP)
decent sensor size (APS-C)
comes with face detection focus
supports RAW files
86
you can focus manually
sensor resolution is amazing (42MP)
sensor size is great (Full frame)
features face detect focusing
delivers RAW files
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Street Comparison

Pentax K-3 II as a Street photography camera
Sony A99 II as a Street photography camera
69
has image stabilization (Sensor based)
decent sensor size (APS-C)
supports RAW files
weather proofing
above average ISO range (51,200)
fixed screen
76
built in image stabilization (Sensor based 5-axis)
sensor size is great (Full frame)
delivers RAW files
weather proof
very good ISO range (25,600)
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Sports Comparison

Sports photography with Pentax K-3 II
Sports photography with Sony A99 II
76
high shutter speed (1/8,000s)
has image stabilization (Sensor based)
resolution is good (24 megapixels)
decent sensor size (APS-C)
comes with tracking autofocus
weather proofing
comes with phase detect auto focus
bad battery pack (720 per charge)
82
maximum shutter speed is high (1/8,000 seconds)
built in image stabilization (Sensor based 5-axis)
sensor resolution is amazing (42 megapixels)
sensor size is great (Full frame)
features tracking focus
weather proof
has phase detect AF
low battery life (490 CIPA)
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Travel Comparison

Travel photography with Pentax K-3 II
Travel photography with Sony A99 II
56
weather proofing
resolution is good (24MP)
bad battery pack (720 per charge)
display isn't selfie friendly
70
weather proof
has bluetooth
sensor resolution is amazing (42MP)
selfie friendly screen
low battery life (490 shots)
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Landscape Comparison

Pentax K-3 II as a Landscape photography camera
Sony A99 II as a Landscape photography camera
78
manual focus
switch lenses (Pentax KAF2 mount)
nice screen size (3.2 inch)
has image stabilization (Sensor based)
resolution is good (24MP)
decent sensor size (APS-C)
doesnt have low pass filter
above average ISO range (51,200)
supports RAW files
weather proofing
two card slots
bad battery pack (720 per charge)
82
you can focus manually
change lenses (Sony/Minolta Alpha mount)
pretty good screen size (3 inches)
built in image stabilization (Sensor based 5-axis)
sensor resolution is amazing (42MP)
sensor size is great (Full frame)
does not have anti-alias filter
very good ISO range (25,600)
delivers RAW files
weather proof
has double storage slots
low battery life (490 shots)
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Vlogging Comparison

Pentax K-3 II as a Vlogging camera
Sony A99 II as a Vlogging camera
34
has image stabilization (Sensor based)
comes with face detection focus
great video quality (1920 x 1080 resolution)
does have external mic socket
display isn't selfie friendly
78
selfie friendly screen
built in image stabilization (Sensor based 5-axis)
features face detect focusing
video res high (3840 x 2160 pixels)
has mic port
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Pentax K-3 II vs Sony A99 II Specifications

Detailed spec comparison table for Pentax K-3 II and Sony A99 II
 Pentax K-3 IISony Alpha A99 II
General Information
Make Pentax Sony
Model Pentax K-3 II Sony Alpha A99 II
Category Advanced DSLR Advanced DSLR
Revealed 2015-04-23 2016-09-19
Body design Mid-size SLR Mid-size SLR
Sensor Information
Processor Prime III Bionz X
Sensor type CMOS BSI-CMOS
Sensor size APS-C Full frame
Sensor dimensions 23.5 x 15.6mm 35.9 x 24mm
Sensor area 366.6mm² 861.6mm²
Sensor resolution 24 megapixels 42 megapixels
Anti aliasing filter
Aspect ratio 3:2 3:2 and 16:9
Highest Possible resolution 6016 x 4000 7952 x 5304
Maximum native ISO 51200 25600
Maximum enhanced ISO - 102400
Min native ISO 100 100
RAW images
Min enhanced ISO - 50
Autofocusing
Manual focus
Touch focus
Continuous AF
Single AF
Tracking AF
Selective AF
AF center weighted
AF multi area
AF live view
Face detection AF
Contract detection AF
Phase detection AF
Number of focus points 27 399
Cross focus points 25 79
Lens
Lens mounting type Pentax KAF2 Sony/Minolta Alpha
Available lenses 151 143
Crop factor 1.5 1
Screen
Screen type Fixed Type Fully articulated
Screen size 3.2" 3"
Resolution of screen 1,037 thousand dot 1,229 thousand dot
Selfie friendly
Liveview
Touch display
Viewfinder Information
Viewfinder Optical (pentaprism) Electronic
Viewfinder resolution - 2,359 thousand dot
Viewfinder coverage 100% 100%
Viewfinder magnification 0.64x 0.78x
Features
Minimum shutter speed 30 secs 30 secs
Fastest shutter speed 1/8000 secs 1/8000 secs
Continuous shutter speed 8.3 frames per second 12.0 frames per second
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Change WB
Image stabilization
Inbuilt 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 (available with dedicated external flash) Off, auto, fill, slow sync, redeye reduction, rear sync, high-speed sync, wireless
Hot shoe
AEB
White balance bracketing
Fastest flash sync 1/180 secs 1/250 secs
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, 30p, 25p, 24p) -
Maximum video resolution 1920x1080 3840x2160
Video file format MPEG-4, H.264 MPEG-4, AVCHD, XAVC S
Mic jack
Headphone jack
Connectivity
Wireless Optional Built-In
Bluetooth
NFC
HDMI
USB USB 3.0 (5 GBit/sec) USB 2.0 (480 Mbit/sec)
GPS BuiltIn None
Physical
Environment seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 800g (1.76 lb) 849g (1.87 lb)
Physical dimensions 131 x 100 x 77mm (5.2" x 3.9" x 3.0") 143 x 104 x 76mm (5.6" x 4.1" x 3.0")
DXO scores
DXO Overall score 80 92
DXO Color Depth score 23.6 25.4
DXO Dynamic range score 13.6 13.4
DXO Low light score 1106 2317
Other
Battery life 720 photos 490 photos
Battery form Battery Pack NP-FM500H lithium-ion battery & charger
Battery model D-LI90 -
Self timer Yes ( 2 or 12 seconds) Yes (2, 5, 10 secs)
Time lapse recording
Type of storage Dual SD/SDHC/SDXC Dual SD/SDHC/SDXC/MS Duo slots
Storage slots Two Two
Price at release $829 $3,198