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Pentax K-3 II vs Sony A6600

Portability
59
Imaging
65
Features
84
Overall
72
Pentax K-3 II front
 
Sony Alpha a6600 front
Portability
77
Imaging
69
Features
96
Overall
79

Pentax K-3 II vs Sony A6600 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
  • Released April 2015
  • Replaced the Pentax K-3
Sony A6600
(Full Review)
  • 24MP - APS-C Sensor
  • 3" Tilting Display
  • ISO 100 - 32000 (Raise to 102400)
  • Sensor based 5-axis Image Stabilization
  • 3840 x 2160 video
  • Sony E Mount
  • 503g - 120 x 67 x 69mm
  • Introduced August 2019
  • Later Model is Sony A6700
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Pentax K-3 II vs Sony A6600 Overview

Let's take a deeper look at the Pentax K-3 II vs Sony A6600, former is a Advanced DSLR while the other is a Advanced Mirrorless by companies Pentax and Sony. The image resolution of the K-3 II (24MP) and the A6600 (24MP) is fairly close and they feature the exact same sensor size (APS-C).

Photography Glossary

The K-3 II was manufactured 5 years earlier than the A6600 which is a fairly sizable difference as far as camera technology is concerned. Each of these cameras come with different body type with the Pentax K-3 II being a Mid-size SLR camera and the Sony A6600 being a Rangefinder-style mirrorless camera.

Before getting straight into a complete comparison, below is a concise highlight of how the K-3 II grades versus the A6600 in the way of portability, imaging, features and an overall score.

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Reasons to pick Pentax K-3 II over the Sony A6600

 K-3 II A6600 
Display dimension3.2"3"Larger display (+0.2")
Display resolution1037k922kSharper display (+115k dot)

Reasons to pick Sony A6600 over the Pentax K-3 II

 A6600 K-3 II 
IntroducedAugust 2019April 2015More modern by 52 months
Display typeTiltingFixed Tilting display
Selfie screen Easy selfies
Touch friendly display Easily navigate

Common features in the Pentax K-3 II and Sony A6600

 K-3 II A6600 
Manually focus More accurate focusing

Pentax K-3 II vs Sony A6600 Physical Comparison

When you are going to carry around your camera often, you need to consider its weight and volume. The Pentax K-3 II enjoys exterior measurements of 131mm x 100mm x 77mm (5.2" x 3.9" x 3.0") having a weight of 800 grams (1.76 lbs) and the Sony A6600 has sizing of 120mm x 67mm x 69mm (4.7" x 2.6" x 2.7") having a weight of 503 grams (1.11 lbs).

Analyze the Pentax K-3 II vs Sony A6600 in our brand new Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Do not forget, the weight of an ILC will vary based on the lens you are employing at that moment. Following is the front view dimension comparison of the K-3 II and the A6600.

Pentax K-3 II vs Sony A6600 size comparison

Taking into consideration dimensions and weight, the portability grade of the K-3 II and A6600 is 59 and 77 respectively.

Pentax K-3 II vs Sony A6600 top view buttons comparison

Pentax K-3 II vs Sony A6600 Sensor Comparison

Normally, its tough to imagine the contrast in sensor sizes only by viewing a spec sheet. The image underneath might offer you a clearer sense of the sensor measurements in the K-3 II and A6600.

Clearly, both of those cameras posses the exact same sensor measurements and the same resolution therefore you can expect comparable quality of images however you will need to consider the launch date of the cameras into account. The more aged K-3 II will be disadvantaged with regard to sensor innovation.

Pentax K-3 II vs Sony A6600 sensor size comparison

Pentax K-3 II vs Sony A6600 Screen and ViewFinder

Pentax K-3 II vs Sony A6600 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Portrait photography with Pentax K-3 II
Portrait photography with Sony A6600
79
you can focus manually
decent megapixels (24 megapixels)
good sensor size (APS-C)
provides face detect focusing
exports RAW formats
81
focusing manually
decent sensor resolution (24MP)
good sensor size (APS-C)
supports face detection autofocus
exports RAW formats
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Street Comparison

Pentax K-3 II Street photography details
Sony A6600 Street photography details
69
image stabilization (Sensor based)
good sensor size (APS-C)
exports RAW formats
environment proof
very good ISO range (51,200)
no moving screen
83
screen tilts up and down
built in image stabilization (Sensor based 5-axis)
good sensor size (APS-C)
exports RAW formats
provides touch to focus
environment proofing
great ISO range (32,000)
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Sports Comparison

Pentax K-3 II Sports photography factors
Sony A6600 Sports photography factors
76
maximum shutter speed is high (1/8,000 seconds)
image stabilization (Sensor based)
decent megapixels (24MP)
good sensor size (APS-C)
provides tracking focus
environment proof
sensor has phase detect AF
not so great battery power (720 shots)
84
built in image stabilization (Sensor based 5-axis)
decent sensor resolution (24 megapixels)
good sensor size (APS-C)
supports tracking autofocus
environment proofing
better than average battery power (810 per charge)
comes with phase detect autofocus
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Travel Comparison

Pentax K-3 II Travel photography advice
Sony A6600 Travel photography advice
56
environment proof
decent megapixels (24MP)
not so great battery power (720 per charge)
doesn't have selfie friendly screen
84
better than average battery power (810 per charge)
environment proofing
connects via bluetooth
provides touch to focus
decent sensor resolution (24MP)
selfie friendly screen
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Landscape Comparison

Pentax K-3 II Landscape photography advice
Sony A6600 Landscape photography advice
77
you can focus manually
change lenses (Pentax KAF2 mount)
screen is a decent size (3.2 inches)
image stabilization (Sensor based)
decent megapixels (24 megapixels)
good sensor size (APS-C)
doesnt have anti-alias filter
very good ISO range (51,200)
exports RAW formats
environment proof
has double storage slots
not so great battery power (720 per charge)
85
focusing manually
swap lenses (Sony E mount)
decent sized screen (3")
built in image stabilization (Sensor based 5-axis)
decent sensor resolution (24MP)
good sensor size (APS-C)
great ISO range (32,000)
exports RAW formats
environment proofing
better than average battery power (810 per charge)
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Vlogging Comparison

Pentax K-3 II Vlogging highlights
Sony A6600 Vlogging highlights
34
image stabilization (Sensor based)
provides face detect focusing
high quality video (1920 x 1080 pxls)
includes mic port
doesn't have selfie friendly screen
84
selfie friendly screen
screen is touchscreen
built in image stabilization (Sensor based 5-axis)
supports face detection autofocus
high quality video (3840 x 2160 resolution)
does have external mic support
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Pentax K-3 II vs Sony A6600 Specifications

Detailed spec comparison table for Pentax K-3 II and Sony A6600
 Pentax K-3 IISony Alpha a6600
General Information
Brand Pentax Sony
Model type Pentax K-3 II Sony Alpha a6600
Class Advanced DSLR Advanced Mirrorless
Released 2015-04-23 2019-08-28
Physical type Mid-size SLR Rangefinder-style mirrorless
Sensor Information
Powered by Prime III Bionz X
Sensor type CMOS CMOS
Sensor size APS-C APS-C
Sensor dimensions 23.5 x 15.6mm 23.5 x 15.6mm
Sensor surface area 366.6mm² 366.6mm²
Sensor resolution 24MP 24MP
Anti alias filter
Aspect ratio 3:2 3:2 and 16:9
Full resolution 6016 x 4000 6000 x 4000
Max native ISO 51200 32000
Max boosted ISO - 102400
Minimum native ISO 100 100
RAW photos
Autofocusing
Manual focusing
Touch to focus
Continuous autofocus
Single autofocus
Autofocus tracking
Selective autofocus
Center weighted autofocus
Autofocus multi area
Autofocus live view
Face detection focus
Contract detection focus
Phase detection focus
Total focus points 27 425
Cross type focus points 25 -
Lens
Lens support Pentax KAF2 Sony E
Number of lenses 151 121
Focal length multiplier 1.5 1.5
Screen
Screen type Fixed Type Tilting
Screen diagonal 3.2 inches 3 inches
Screen resolution 1,037 thousand dots 922 thousand dots
Selfie friendly
Liveview
Touch display
Viewfinder Information
Viewfinder type Optical (pentaprism) Electronic
Viewfinder resolution - 2,359 thousand dots
Viewfinder coverage 100% 100%
Viewfinder magnification 0.64x 0.71x
Features
Lowest shutter speed 30s 30s
Highest shutter speed 1/8000s 1/4000s
Continuous shooting rate 8.3fps 11.0fps
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Change white balance
Image stabilization
Inbuilt flash
Flash distance no built-in flash no built-in flash
Flash options 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) Flash off, Autoflash, Fill-flash, Rear Sync., Slow Sync., Red-eye reduction (On/Off selectable), Hi-speed sync, Wireless
External flash
Auto exposure bracketing
White balance bracketing
Highest flash synchronize 1/180s -
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Supported video resolutions 1920 x 1080 (60i, 50i, 30p, 25p, 24p), 1280 x 720 (60p, 50p, 30p, 25p, 24p) 3840 x 2160 @ 30p / 100 Mbps, XAVC S, MP4, H.264, Linear PCM
Max video resolution 1920x1080 3840x2160
Video file format MPEG-4, H.264 MPEG-4, AVCHD, XAVC S
Mic support
Headphone support
Connectivity
Wireless Optional Built-In
Bluetooth
NFC
HDMI
USB USB 3.0 (5 GBit/sec) Yes
GPS BuiltIn None
Physical
Environmental sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 800 gr (1.76 lbs) 503 gr (1.11 lbs)
Dimensions 131 x 100 x 77mm (5.2" x 3.9" x 3.0") 120 x 67 x 69mm (4.7" x 2.6" x 2.7")
DXO scores
DXO All around rating 80 82
DXO Color Depth rating 23.6 23.8
DXO Dynamic range rating 13.6 13.4
DXO Low light rating 1106 1497
Other
Battery life 720 photos 810 photos
Battery style Battery Pack Battery Pack
Battery ID D-LI90 NP-FZ1000
Self timer Yes ( 2 or 12 seconds) Yes
Time lapse feature
Storage type Dual SD/SDHC/SDXC SD/SDHC/SDXC + Memory Stick Pro Duo
Card slots 2 One
Launch pricing $829 $1,198