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Canon 6D vs Pentax K-3 III

Portability
59
Imaging
68
Features
70
Overall
68
Canon EOS 6D front
 
Pentax K-3 Mark III front
Portability
58
Imaging
72
Features
86
Overall
77

Canon 6D vs Pentax K-3 III Key Specs

Canon 6D
(Full Review)
  • 20MP - Full frame Sensor
  • 3" Fixed Display
  • ISO 100 - 25600 (Boost to 102400)
  • 1920 x 1080 video
  • Canon EF Mount
  • 770g - 145 x 111 x 71mm
  • Announced February 2013
  • Newer Model is Canon 6D MII
Pentax K-3 III
(Full Review)
  • 26MP - APS-C Sensor
  • 3.2" Fixed Display
  • ISO 100 - 1600000
  • Sensor based Image Stabilization
  • No Anti-Alias Filter
  • 1/8000s Maximum Shutter
  • 3840 x 2160 video
  • Pentax KAF2 Mount
  • 820g - 135 x 104 x 74mm
  • Released March 2021
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Canon 6D vs Pentax K-3 III Overview

Let's look a little more in depth at the Canon 6D and Pentax K-3 III, both Advanced DSLR cameras by competitors Canon and Pentax. There exists a sizable gap among the sensor resolutions of the 6D (20MP) and K-3 III (26MP) and the 6D (Full frame) and K-3 III (APS-C) feature different sensor measurements.

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The 6D was revealed 9 years before the K-3 III and that is a fairly significant difference as far as camera technology is concerned. Both of the cameras offer the identical body type (Mid-size SLR).

Before delving in to a in-depth comparison, below is a simple overview of how the 6D scores against the K-3 III in relation to portability, imaging, features and an overall rating.

Photography Glossary
	
	

Reasons to pick Canon 6D over the Pentax K-3 III

 6D K-3 III 

Reasons to pick Pentax K-3 III over the Canon 6D

 K-3 III 6D 
ReleasedMarch 2021February 2013Fresher by 98 months
Display sizing3.2"3"Larger display (+0.2")
Display resolution1620k1040kCrisper display (+580k dot)
Touch display Easily navigate

Common features in the Canon 6D and Pentax K-3 III

 6D K-3 III 
Manually focus Very accurate focus
Display typeFixed Fixed Fixed display
Selfie screen Neither contains selfie screen

Canon 6D vs Pentax K-3 III Physical Comparison

If you're planning to carry your camera often, you should take into account its weight and measurements. The Canon 6D has got exterior measurements of 145mm x 111mm x 71mm (5.7" x 4.4" x 2.8") with a weight of 770 grams (1.70 lbs) whilst the Pentax K-3 III has proportions of 135mm x 104mm x 74mm (5.3" x 4.1" x 2.9") along with a weight of 820 grams (1.81 lbs).

Check out the Canon 6D and Pentax K-3 III in our completely new Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into account, the weight of an ILC will differ depending on the lens you choose during that time. The following is the front view measurement comparison of the 6D versus the K-3 III.

Canon 6D vs Pentax K-3 III size comparison

Taking into consideration dimensions and weight, the portability score of the 6D and K-3 III is 59 and 58 respectively.

Canon 6D vs Pentax K-3 III top view buttons comparison

Canon 6D vs Pentax K-3 III Sensor Comparison

Sometimes, it is very tough to visualize the contrast in sensor sizing purely by looking through specifications. The photograph below might offer you a stronger sense of the sensor measurements in the 6D and K-3 III.

Plainly, each of these cameras offer different megapixel count and different sensor sizing. The 6D using its larger sensor is going to make achieving shallow depth of field less difficult and the Pentax K-3 III will provide you with greater detail because of its extra 6 Megapixels. Greater resolution will also allow you to crop pics a little more aggressively. The older 6D will be behind when it comes to sensor innovation.

Canon 6D vs Pentax K-3 III sensor size comparison

Canon 6D vs Pentax K-3 III Screen and ViewFinder

Canon 6D vs Pentax K-3 III Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Canon 6D Portrait photography details
Pentax K-3 III Portrait photography details
80
you can focus manually
megapixel count decent (20MP)
sensor size is large (Full frame)
includes face detection focus
delivers RAW files
83
focusing manually
fantastic megapixels (26MP)
sensor size is decent (APS-C)
provides face detection focus
exports RAW formats
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Street Comparison

Canon 6D Street photography advice
Pentax K-3 III Street photography advice
63
sensor size is large (Full frame)
delivers RAW files
environment sealing
good ISO range (25,600)
screen is fixed
lack of image stabilization
71
built in image stabilization (Sensor based)
sensor size is decent (APS-C)
exports RAW formats
has focus by touch
environment proofing
great ISO range (1,600,000)
screen is fixed
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Sports Comparison

Canon 6D Sports photography advice
Pentax K-3 III Sports photography advice
69
megapixel count decent (20 megapixels)
sensor size is large (Full frame)
environment sealing
great battery life (1,090 per charge)
supports phase detect auto focus
slow frames per second (4.5 frames per second)
lack of image stabilization
79
maximum shutter speed is high (1/8,000s)
built in image stabilization (Sensor based)
fantastic megapixels (26MP)
sensor size is decent (APS-C)
provides tracking autofocus
environment proofing
has phase detect auto focus
not so great battery power (800 per charge)
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Travel Comparison

Travel photography with Canon 6D
Travel photography with Pentax K-3 III
61
great battery life (1,090 shots)
environment sealing
megapixel count decent (20 megapixels)
lack of Time Lapse function
does not have selfie friendly screen
64
environment proofing
supports bluetooth
has focus by touch
fantastic megapixels (26 megapixels)
not so great battery power (800 CIPA)
doesn't have a selfie friendly display
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Landscape Comparison

Canon 6D as a Landscape photography camera
Pentax K-3 III as a Landscape photography camera
74
you can focus manually
swap lenses (Canon EF mount)
pretty good screen size (3 inch)
megapixel count decent (20 megapixels)
sensor size is large (Full frame)
good ISO range (25,600)
delivers RAW files
environment sealing
great battery life (1,090 per charge)
lack of image stabilization
lack of Time Lapse function
80
focusing manually
interchangeable lenses (Pentax KAF2 mount)
screen size is good (3.2")
built in image stabilization (Sensor based)
fantastic megapixels (26 megapixels)
sensor size is decent (APS-C)
no low pass filter
great ISO range (1,600,000)
exports RAW formats
environment proofing
2 card slots
not so great battery power (800 shots)
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Vlogging Comparison

Vlogging with Canon 6D
Vlogging with Pentax K-3 III
30
includes face detection focus
video resolution high (1920 x 1080 resolution)
comes with external mic jack
does not have selfie friendly screen
lack of image stabilization
35
screen is touchscreen
built in image stabilization (Sensor based)
provides face detection focus
video res high (3840 x 2160 pxls)
has external mic support
doesn't have a selfie friendly display
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Canon 6D vs Pentax K-3 III Specifications

Detailed spec comparison table for Canon 6D and Pentax K-3 III
 Canon EOS 6DPentax K-3 Mark III
General Information
Company Canon Pentax
Model type Canon EOS 6D Pentax K-3 Mark III
Class Advanced DSLR Advanced DSLR
Announced 2013-02-12 2021-03-31
Physical type Mid-size SLR Mid-size SLR
Sensor Information
Powered by Digic 5+ -
Sensor type CMOS CMOS
Sensor size Full frame APS-C
Sensor dimensions 36 x 24mm 23 x 15.5mm
Sensor surface area 864.0mm² 356.5mm²
Sensor resolution 20 megapixel 26 megapixel
Anti alias filter
Aspect ratio 3:2 3:2
Full resolution 5472 x 3648 6192 x 4128
Max native ISO 25600 1600000
Max boosted ISO 102400 -
Minimum native ISO 100 100
RAW data
Minimum boosted ISO 50 -
Autofocusing
Manual focusing
AF touch
AF continuous
AF single
AF tracking
AF selectice
AF center weighted
Multi area AF
Live view AF
Face detect AF
Contract detect AF
Phase detect AF
Total focus points 11 101
Cross type focus points 1 25
Lens
Lens mount type Canon EF Pentax KAF2
Number of lenses 250 156
Focal length multiplier 1 1.6
Screen
Type of display Fixed Type Fixed Type
Display size 3" 3.2"
Resolution of display 1,040k dots 1,620k dots
Selfie friendly
Liveview
Touch screen
Display technology Clear View II TFT LCD -
Viewfinder Information
Viewfinder Optical (pentaprism) Optical (pentaprism)
Viewfinder coverage 97 percent 100 percent
Viewfinder magnification 0.71x 0.7x
Features
Lowest shutter speed 30s 30s
Highest shutter speed 1/4000s 1/8000s
Continuous shooting rate 4.5 frames/s 12.0 frames/s
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Change WB
Image stabilization
Inbuilt flash
Flash distance no built-in flash no built-in flash
Flash modes no built-in flash Auto, Auto + Red-eye Reduction, Flash On, Flash On + Red-eye Reduction, Slow- speed Sync, Slow-speed Sync + Red-eye, P-TTL, Contrast-control-sync, High-speed sync, Wireless sync
External flash
Auto exposure bracketing
WB bracketing
Highest flash synchronize 1/180s 1/200s
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Supported video resolutions 1920 x 1080 (29.97, 25, 23.976 fps), 1280 x 720 (59.94, 50 fps), 640 x 480 (25, 30 fps) 3840 x 2160 @ 30p, MOV, H.264, Linear PCM3840 x 2160 @ 24p, MOV, H.264, Linear PCM1920 x 1080 @ 60p, MOV, H.264, Linear PCM1920 x 1080 @ 30p, MOV, H.264, Linear PCM1920 x 1080 @ 24p, MOV, H.264, Linear PCM
Max video resolution 1920x1080 3840x2160
Video data format H.264 MPEG-4, H.264
Mic support
Headphone support
Connectivity
Wireless Built-In Built-In
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 3.2 Gen 1 (5 GBit/sec)
GPS BuiltIn None
Physical
Environmental sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 770 grams (1.70 lbs) 820 grams (1.81 lbs)
Dimensions 145 x 111 x 71mm (5.7" x 4.4" x 2.8") 135 x 104 x 74mm (5.3" x 4.1" x 2.9")
DXO scores
DXO All around rating 82 not tested
DXO Color Depth rating 23.8 not tested
DXO Dynamic range rating 12.1 not tested
DXO Low light rating 2340 not tested
Other
Battery life 1090 pictures 800 pictures
Battery style Battery Pack Battery Pack
Battery ID LP-E6 D-LI90
Self timer Yes (2 or 10 sec) Yes
Time lapse recording
Storage type SD/SDHC/SDXC Dual SD/SDHC/SDXC slots (UHS-II supported in slot 1)
Card slots Single Dual
Pricing at launch $1,699 $1,999