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Canon 90D vs Pentax K-3 III

Portability
60
Imaging
73
Features
93
Overall
81
Canon EOS 90D front
 
Pentax K-3 Mark III front
Portability
58
Imaging
72
Features
86
Overall
77

Canon 90D vs Pentax K-3 III Key Specs

Canon 90D
(Full Review)
  • 33MP - APS-C Sensor
  • 3" Fully Articulated Display
  • ISO 100 - 25600 (Push to 51200)
  • 1/8000s Maximum Shutter
  • 3840 x 2160 video
  • Canon EF/EF-S Mount
  • 701g - 141 x 105 x 77mm
  • Launched August 2019
  • Superseded the Canon 80D
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 Max Shutter
  • 3840 x 2160 video
  • Pentax KAF2 Mount
  • 820g - 135 x 104 x 74mm
  • Revealed March 2021
Photography Glossary

Canon 90D vs Pentax K-3 III Overview

Lets look more in depth at the Canon 90D versus Pentax K-3 III, both Advanced DSLR cameras by companies Canon and Pentax. There is a huge difference among the resolutions of the 90D (33MP) and K-3 III (26MP) but both cameras offer the same sensor sizes (APS-C).

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The 90D was revealed 19 months before the K-3 III making them a generation apart from each other. Both the cameras have the same body design (Mid-size SLR).

Before delving right into a comprehensive comparison, here is a quick synopsis of how the 90D grades versus the K-3 III in the way of portability, imaging, features and an overall grade.

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Reasons to pick Canon 90D over the Pentax K-3 III

 90D K-3 III 
Display typeFully ArticulatedFixed Fully Articulating display
Selfie screen Take selfies

Reasons to pick Pentax K-3 III over the Canon 90D

 K-3 III 90D 
RevealedMarch 2021August 2019More recent by 19 months
Display dimensions3.2"3"Larger display (+0.2")
Display resolution1620k1040kSharper display (+580k dot)

Common features in the Canon 90D and Pentax K-3 III

 90D K-3 III 
Manually focus More accurate focus
Touch display Easily navigate

Canon 90D vs Pentax K-3 III Physical Comparison

For anyone who is planning to lug around your camera regularly, you will need to think about its weight and proportions. The Canon 90D offers outside dimensions of 141mm x 105mm x 77mm (5.6" x 4.1" x 3.0") with a weight of 701 grams (1.55 lbs) and the Pentax K-3 III has measurements of 135mm x 104mm x 74mm (5.3" x 4.1" x 2.9") and a weight of 820 grams (1.81 lbs).

Check out the Canon 90D versus Pentax K-3 III in the new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Do not forget, the weight of an Interchangeable Lens Camera will differ dependant on the lens you use at the time. The following is a front view over all size comparison of the 90D against the K-3 III.

Canon 90D vs Pentax K-3 III size comparison

Considering size and weight, the portability rating of the 90D and K-3 III is 60 and 58 respectively.

Canon 90D vs Pentax K-3 III top view buttons comparison

Canon 90D vs Pentax K-3 III Sensor Comparison

Often, it is difficult to picture the gap in sensor measurements just by looking through specifications. The photograph underneath will help offer you a far better sense of the sensor sizes in the 90D and K-3 III.

To sum up, the two cameras provide the same sensor dimensions but different MP. You should expect to see the Canon 90D to provide you with greater detail because of its extra 7 Megapixels. Greater resolution will enable you to crop photos more aggressively. The older 90D will be disadvantaged with regard to sensor technology.

Canon 90D vs Pentax K-3 III sensor size comparison

Canon 90D vs Pentax K-3 III Screen and ViewFinder

Canon 90D vs Pentax K-3 III Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Canon 90D Portrait photography factors
Pentax K-3 III Portrait photography factors
83
manual focus
MP count fantastic (33 megapixels)
sensor size is good (APS-C)
includes face detection autofocus
supports RAW files
83
has manual focus
fantastic megapixels (26MP)
decent sensor size (APS-C)
features face detect autofocus
saves RAW files
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Street Comparison

Street photography with Canon 90D
Street photography with Pentax K-3 III
72
screen articulates fully
sensor size is good (APS-C)
supports RAW files
provides focus by touch
weather proofing
good ISO range (25,600)
lack of image stabilization
71
has image stabilization (Sensor based)
decent sensor size (APS-C)
saves RAW files
has touch to focus
weather sealing
very good high ISO (1,600,000)
fixed screen
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Sports Comparison

Sports photography with Canon 90D
Sports photography with Pentax K-3 III
80
high shutter speed (1/8,000 seconds)
quiet shooting (1/16,000 seconds)
MP count fantastic (33MP)
sensor size is good (APS-C)
includes tracking autofocus
weather proofing
better than average battery pack (1,300 per charge)
comes with phase detect autofocus
lack of image stabilization
79
high shutter speed (1/8,000 seconds)
has image stabilization (Sensor based)
fantastic megapixels (26MP)
decent sensor size (APS-C)
features tracking focus
weather sealing
has phase detect autofocus
terrible battery (800 shots)
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Travel Comparison

Canon 90D Travel photography details
Pentax K-3 III Travel photography details
78
better than average battery pack (1,300 per charge)
weather proofing
connects via bluetooth
provides focus by touch
MP count fantastic (33 megapixels)
flash built-in
display is selfie friendly
64
weather sealing
has bluetooth
has touch to focus
fantastic megapixels (26MP)
terrible battery (800 CIPA)
doesn't contain selfie friendly display
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Landscape Comparison

Landscape photography with Canon 90D
Landscape photography with Pentax K-3 III
80
manual focus
switch lenses (Canon EF/EF-S mount)
nice screen size (3 inches)
MP count fantastic (33 megapixels)
sensor size is good (APS-C)
good ISO range (25,600)
supports RAW files
weather proofing
better than average battery pack (1,300 shots)
lack of image stabilization
80
has manual focus
switch lenses (Pentax KAF2 mount)
nice screen size (3.2")
has image stabilization (Sensor based)
fantastic megapixels (26MP)
decent sensor size (APS-C)
doesnt have anti aliasing filter
very good high ISO (1,600,000)
saves RAW files
weather sealing
has double storage slots
terrible battery (800 shots)
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Vlogging Comparison

Canon 90D Vlogging advice
Pentax K-3 III Vlogging advice
71
display is selfie friendly
touchscreen enabled
includes face detection autofocus
high res video (3840 x 2160 pixels)
does have external mic jack
lack of image stabilization
35
has touchscreen
has image stabilization (Sensor based)
features face detect autofocus
good video quality (3840 x 2160 pxls)
has mic port
doesn't contain selfie friendly display
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Canon 90D vs Pentax K-3 III Specifications

Detailed spec comparison table for Canon 90D and Pentax K-3 III
 Canon EOS 90DPentax K-3 Mark III
General Information
Brand Name Canon Pentax
Model Canon EOS 90D Pentax K-3 Mark III
Category Advanced DSLR Advanced DSLR
Launched 2019-08-28 2021-03-31
Body design Mid-size SLR Mid-size SLR
Sensor Information
Processor DIGIC 8 -
Sensor type CMOS CMOS
Sensor size APS-C APS-C
Sensor dimensions 22.3 x 14.9mm 23 x 15.5mm
Sensor surface area 332.3mm² 356.5mm²
Sensor resolution 33 megapixels 26 megapixels
Anti aliasing filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 3:2
Full resolution 6960 x 4640 6192 x 4128
Max native ISO 25600 1600000
Max boosted ISO 51200 -
Minimum native ISO 100 100
RAW format
Autofocusing
Focus manually
Touch focus
AF continuous
Single AF
Tracking AF
AF selectice
Center weighted AF
Multi area AF
Live view AF
Face detect AF
Contract detect AF
Phase detect AF
Number of focus points 45 101
Cross focus points 45 25
Lens
Lens mount Canon EF/EF-S Pentax KAF2
Available lenses 326 156
Crop factor 1.6 1.6
Screen
Display type Fully Articulated Fixed Type
Display diagonal 3 inches 3.2 inches
Display resolution 1,040 thousand dot 1,620 thousand dot
Selfie friendly
Liveview
Touch operation
Viewfinder Information
Viewfinder Optical (pentaprism) Optical (pentaprism)
Viewfinder coverage 100% 100%
Viewfinder magnification 0.6x 0.7x
Features
Slowest shutter speed 30 secs 30 secs
Maximum shutter speed 1/8000 secs 1/8000 secs
Maximum quiet shutter speed 1/16000 secs -
Continuous shooting speed 11.0 frames/s 12.0 frames/s
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Change WB
Image stabilization
Integrated flash
Flash range 12.00 m (at ISO 100) no built-in flash
Flash modes - 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
AEB
WB bracketing
Maximum flash sync 1/250 secs 1/200 secs
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Video resolutions 3840 x 2160 @ 30p / 120 Mbps, MP4, H.264, AAC 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 3840x2160 3840x2160
Video file format MPEG-4, H.264 MPEG-4, H.264
Mic jack
Headphone jack
Connectivity
Wireless Built-In Built-In
Bluetooth
NFC
HDMI
USB Yes (With USB-PD compatible chargers) USB 3.2 Gen 1 (5 GBit/sec)
GPS None None
Physical
Environment seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 701 grams (1.55 pounds) 820 grams (1.81 pounds)
Physical dimensions 141 x 105 x 77mm (5.6" x 4.1" x 3.0") 135 x 104 x 74mm (5.3" x 4.1" x 2.9")
DXO scores
DXO All around score not tested not tested
DXO Color Depth score not tested not tested
DXO Dynamic range score not tested not tested
DXO Low light score not tested not tested
Other
Battery life 1300 images 800 images
Style of battery Battery Pack Battery Pack
Battery model LP-E6N D-LI90
Self timer Yes (2 or 10 secs) Yes
Time lapse feature
Type of storage SD/SDHC/SDXC card (UHS-II supported) Dual SD/SDHC/SDXC slots (UHS-II supported in slot 1)
Storage slots One Dual
Pricing at launch $1,199 $1,999