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Canon 20D vs Pentax K-3 II

Portability
59
Imaging
45
Features
39
Overall
42
Canon EOS 20D front
 
Pentax K-3 II front
Portability
59
Imaging
66
Features
84
Overall
73

Canon 20D vs Pentax K-3 II Key Specs

Canon 20D
(Full Review)
  • 8MP - APS-C Sensor
  • 1.8" Fixed Screen
  • ISO 100 - 1600 (Raise to 3200)
  • 1/8000s Maximum Shutter
  • No Video
  • Canon EF/EF-S Mount
  • 770g - 144 x 106 x 72mm
  • Revealed November 2004
  • Previous Model is Canon 10D
  • Newer Model is Canon 30D
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
  • Introduced April 2015
  • Succeeded the Pentax K-3
Photography Glossary

Canon 20D vs Pentax K-3 II Overview

Here, we will be matching up the Canon 20D versus Pentax K-3 II, both Advanced DSLR cameras by competitors Canon and Pentax. There is a large difference among the resolutions of the 20D (8MP) and K-3 II (24MP) but both cameras posses the identical sensor measurements (APS-C).

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The 20D was introduced 11 years prior to the K-3 II which is a fairly serious difference as far as camera tech is concerned. Both of these cameras feature the same body design (Mid-size SLR).

Before going right into a full comparison, here is a simple view of how the 20D matches up vs the K-3 II in regards to portability, imaging, features and an overall mark.

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Reasons to pick Canon 20D over the Pentax K-3 II

 20D K-3 II 

Reasons to pick Pentax K-3 II over the Canon 20D

 K-3 II 20D 
IntroducedApril 2015November 2004Newer by 127 months
Screen size3.2"1.8"Bigger screen (+1.4")
Screen resolution1037k118kCrisper screen (+919k dot)

Common features in the Canon 20D and Pentax K-3 II

 20D K-3 II 
Manual focus Very exact focus
Screen typeFixed Fixed Fixed screen
Selfie screen Neither features selfie screen
Touch friendly screen Neither features Touch friendly screen

Canon 20D vs Pentax K-3 II Physical Comparison

For anybody who is aiming to travel with your camera frequently, you are going to need to think about its weight and proportions. The Canon 20D enjoys external measurements of 144mm x 106mm x 72mm (5.7" x 4.2" x 2.8") with a weight of 770 grams (1.70 lbs) while the Pentax K-3 II has measurements of 131mm x 100mm x 77mm (5.2" x 3.9" x 3.0") along with a weight of 800 grams (1.76 lbs).

Take a look at the Canon 20D versus Pentax K-3 II in our newest Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Remember, the weight of an ILC will change based on the lens you choose during that time. Here is a front view over all size comparison of the 20D against the K-3 II.

Canon 20D vs Pentax K-3 II size comparison

Factoring in size and weight, the portability grade of the 20D and K-3 II is 59 and 59 respectively.

Canon 20D vs Pentax K-3 II top view buttons comparison

Canon 20D vs Pentax K-3 II Sensor Comparison

Usually, it is very hard to visualize the difference in sensor dimensions only by viewing a spec sheet. The picture here will help give you a much better sense of the sensor measurements in the 20D and K-3 II.

Clearly, each of the cameras feature the identical sensor size albeit different MP. You can count on the Pentax K-3 II to render more detail using its extra 16MP. Higher resolution will make it easier to crop shots way more aggressively. The more aged 20D will be behind with regard to sensor innovation.

Canon 20D vs Pentax K-3 II sensor size comparison

Canon 20D vs Pentax K-3 II Screen and ViewFinder

Canon 20D vs Pentax K-3 II Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Canon 20D Portrait photography factors
Pentax K-3 II Portrait photography factors
47
has manual focus
sensor size is good (APS-C)
saves RAW files
no liveview feature
manual exposure not possible
megapixel count low (8 megapixels)
79
focusing manually
decent megapixels (24MP)
good sensor size (APS-C)
comes with face detect focus
exports RAW files
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Street Comparison

Canon 20D Street photography info
Pentax K-3 II Street photography info
52
sensor size is good (APS-C)
saves RAW files
screen is fixed
lack of image stabilization
69
image stabilization (Sensor based)
good sensor size (APS-C)
exports RAW files
weather sealing
great high ISO (51,200)
screen does not articulate
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Sports Comparison

Sports photography with Canon 20D
Sports photography with Pentax K-3 II
43
high shutter speed (1/8,000 seconds)
sensor size is good (APS-C)
comes with phase detect auto focus
no liveview feature
continuous shooting slow (5.0 fps)
lack of image stabilization
megapixel count low (8 megapixels)
76
max shutter speed is good (1/8,000s)
image stabilization (Sensor based)
decent megapixels (24MP)
good sensor size (APS-C)
comes with tracking focus
weather sealing
has phase detect auto focus
low battery power (720 per charge)
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Travel Comparison

Travel photography with Canon 20D
Travel photography with Pentax K-3 II
45
built-in flash
megapixel count low (8MP)
display isn't selfie friendly
56
weather sealing
decent megapixels (24MP)
low battery power (720 per charge)
doesn't offer selfie friendly screen
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Landscape Comparison

Canon 20D Landscape photography features
Pentax K-3 II Landscape photography features
46
has manual focus
switch lenses (Canon EF/EF-S mount)
sensor size is good (APS-C)
saves RAW files
screen is somewhat small (1.8 inches)
no liveview feature
manual exposure not possible
lack of image stabilization
megapixel count low (8MP)
78
focusing manually
swap lenses (Pentax KAF2 mount)
screen is a decent size (3.2")
image stabilization (Sensor based)
decent megapixels (24MP)
good sensor size (APS-C)
doesnt have anti-alias filter
great high ISO (51,200)
exports RAW files
weather sealing
2 card slots
low battery power (720 shots)
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Vlogging Comparison

Canon 20D Vlogging highlights
Pentax K-3 II Vlogging highlights
9
can't shoot video
34
image stabilization (Sensor based)
comes with face detect focus
video resolution high (1920 x 1080 resolution)
has mic support
doesn't offer selfie friendly screen
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Canon 20D vs Pentax K-3 II Specifications

Detailed spec comparison table for Canon 20D and Pentax K-3 II
 Canon EOS 20DPentax K-3 II
General Information
Make Canon Pentax
Model Canon EOS 20D Pentax K-3 II
Class Advanced DSLR Advanced DSLR
Revealed 2004-11-03 2015-04-23
Physical type Mid-size SLR Mid-size SLR
Sensor Information
Processor Chip - Prime III
Sensor type CMOS CMOS
Sensor size APS-C APS-C
Sensor dimensions 22.5 x 15mm 23.5 x 15.6mm
Sensor area 337.5mm² 366.6mm²
Sensor resolution 8 megapixels 24 megapixels
Anti aliasing filter
Aspect ratio 3:2 3:2
Maximum resolution 3504 x 2336 6016 x 4000
Maximum native ISO 1600 51200
Maximum boosted ISO 3200 -
Min native ISO 100 100
RAW files
Autofocusing
Manual focus
Autofocus touch
Continuous autofocus
Single autofocus
Autofocus tracking
Autofocus selectice
Autofocus center weighted
Autofocus multi area
Live view autofocus
Face detection autofocus
Contract detection autofocus
Phase detection autofocus
Number of focus points 9 27
Cross focus points - 25
Lens
Lens mount Canon EF/EF-S Pentax KAF2
Total lenses 326 151
Crop factor 1.6 1.5
Screen
Type of screen Fixed Type Fixed Type
Screen size 1.8 inch 3.2 inch
Screen resolution 118k dots 1,037k dots
Selfie friendly
Liveview
Touch functionality
Viewfinder Information
Viewfinder type Optical (pentaprism) Optical (pentaprism)
Viewfinder coverage 95 percent 100 percent
Viewfinder magnification 0.56x 0.64x
Features
Lowest shutter speed 30 seconds 30 seconds
Highest shutter speed 1/8000 seconds 1/8000 seconds
Continuous shooting rate 5.0 frames per second 8.3 frames per second
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation - Yes
Set white balance
Image stabilization
Inbuilt flash
Flash range 12.00 m (ISO 100) no built-in flash
Flash options Auto, On, Red-eye reduction, Off 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)
Hot shoe
Auto exposure bracketing
WB bracketing
Highest flash synchronize - 1/180 seconds
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Video resolutions - 1920 x 1080 (60i, 50i, 30p, 25p, 24p), 1280 x 720 (60p, 50p, 30p, 25p, 24p)
Maximum video resolution None 1920x1080
Video data format - MPEG-4, H.264
Mic support
Headphone support
Connectivity
Wireless None Optional
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 3.0 (5 GBit/sec)
GPS None BuiltIn
Physical
Environment sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 770 gr (1.70 pounds) 800 gr (1.76 pounds)
Physical dimensions 144 x 106 x 72mm (5.7" x 4.2" x 2.8") 131 x 100 x 77mm (5.2" x 3.9" x 3.0")
DXO scores
DXO All around score 62 80
DXO Color Depth score 21.9 23.6
DXO Dynamic range score 11.0 13.6
DXO Low light score 721 1106
Other
Battery life - 720 photographs
Type of battery - Battery Pack
Battery model - D-LI90
Self timer Yes (10 sec (2 sec with mirror lock-up)) Yes ( 2 or 12 seconds)
Time lapse feature
Type of storage Compact Flash (Type I or II) Dual SD/SDHC/SDXC
Card slots 1 Dual
Launch price $1,300 $829