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Canon 20D vs Pentax K-S1

Portability
59
Imaging
45
Features
39
Overall
42
Canon EOS 20D front
 
Pentax K-S1 front
Portability
69
Imaging
63
Features
70
Overall
65

Canon 20D vs Pentax K-S1 Key Specs

Canon 20D
(Full Review)
  • 8MP - APS-C Sensor
  • 1.8" Fixed Display
  • ISO 100 - 1600 (Expand to 3200)
  • 1/8000s Max Shutter
  • No Video
  • Canon EF/EF-S Mount
  • 770g - 144 x 106 x 72mm
  • Announced November 2004
  • Replaced the Canon 10D
  • Newer Model is Canon 30D
Pentax K-S1
(Full Review)
  • 20MP - APS-C Sensor
  • 3" Fixed Display
  • ISO 100 - 51200
  • Sensor based Image Stabilization
  • No Anti-Alias Filter
  • 1/6000s Max Shutter
  • 1920 x 1080 video
  • Pentax KAF2 Mount
  • 558g - 121 x 93 x 70mm
  • Launched August 2014
  • Replacement is Pentax K-S2
Photography Glossary

Canon 20D vs Pentax K-S1 Overview

Lets look a little more closely at the Canon 20D and Pentax K-S1, both Advanced DSLR digital cameras by brands Canon and Pentax. There exists a crucial gap between the sensor resolutions of the 20D (8MP) and K-S1 (20MP) but they feature the same exact sensor dimensions (APS-C).

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The 20D was released 10 years before the K-S1 and that is quite a serious gap as far as technology is concerned. Both the cameras offer the identical body type (Mid-size SLR).

Before diving in to a full comparison, below is a short introduction of how the 20D grades versus the K-S1 in the way of portability, imaging, features and an overall grade.

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Reasons to pick Canon 20D over the Pentax K-S1

 20D K-S1 

Reasons to pick Pentax K-S1 over the Canon 20D

 K-S1 20D 
LaunchedAugust 2014November 2004More recent by 119 months
Display sizing3"1.8"Larger display (+1.2")
Display resolution921k118kSharper display (+803k dot)

Common features in the Canon 20D and Pentax K-S1

 20D K-S1 
Manually focus More exact focusing
Display typeFixed Fixed Fixed display
Selfie screen Neither provides selfie screen
Touch display Neither provides Touch display

Canon 20D vs Pentax K-S1 Physical Comparison

When you are intending to lug around your camera frequently, you'll need to think about its weight and proportions. The Canon 20D provides outside measurements of 144mm x 106mm x 72mm (5.7" x 4.2" x 2.8") and a weight of 770 grams (1.70 lbs) while the Pentax K-S1 has measurements of 121mm x 93mm x 70mm (4.8" x 3.7" x 2.8") and a weight of 558 grams (1.23 lbs).

Analyze the Canon 20D and Pentax K-S1 in the all new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Keep in mind, the weight of an Interchangeable Lens Camera will differ dependant on the lens you are employing at that moment. Following is the front view over all size comparison of the 20D compared to the K-S1.

Canon 20D vs Pentax K-S1 size comparison

Using dimensions and weight, the portability score of the 20D and K-S1 is 59 and 69 respectively.

Canon 20D vs Pentax K-S1 top view buttons comparison

Canon 20D vs Pentax K-S1 Sensor Comparison

Normally, it is very difficult to see the difference between sensor measurements purely by reading specifications. The visual below will help offer you a stronger sense of the sensor sizing in the 20D and K-S1.

Plainly, each of the cameras offer the same exact sensor sizing but not the same resolution. You should expect to see the Pentax K-S1 to offer you greater detail as a result of its extra 12MP. Greater resolution will allow you to crop pics a little more aggressively. The older 20D is going to be behind with regard to sensor technology.

Canon 20D vs Pentax K-S1 sensor size comparison

Canon 20D vs Pentax K-S1 Screen and ViewFinder

Canon 20D vs Pentax K-S1 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Portrait photography with Canon 20D
Portrait photography with Pentax K-S1
47
has manual focus
sensor size is decent (APS-C)
exports RAW files
doesn't have liveview
lack of manual mode
low megapixels (8MP)
77
manual focus
megapixel count good (20MP)
sensor size is decent (APS-C)
comes with face detect focusing
exports RAW formats
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Street Comparison

Canon 20D Street photography info
Pentax K-S1 Street photography info
52
sensor size is decent (APS-C)
exports RAW files
screen is fixed
lack of image stabilization
73
image stabilization (Sensor based)
sensor size is decent (APS-C)
exports RAW formats
lighter than competition in class (558g)
above average ISO range (51,200)
screen is fixed
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Sports Comparison

Sports photography with Canon 20D
Sports photography with Pentax K-S1
43
great max shutter speed (1/8,000 seconds)
sensor size is decent (APS-C)
sensor has phase detect AF
doesn't have liveview
max frames per second very slow (5.0 frames per second)
lack of image stabilization
low megapixels (8MP)
69
high shutter speed (1/6,000s)
image stabilization (Sensor based)
megapixel count good (20 megapixels)
sensor size is decent (APS-C)
comes with tracking focus
supports phase detect AF
low frames per second (5.4 frames/s)
not so great battery power (410 per charge)
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Travel Comparison

Travel photography with Canon 20D
Travel photography with Pentax K-S1
45
built-in flash
low megapixels (8 megapixels)
doesn't posses selfie friendly display
60
lighter than competition in class (558 grams)
megapixel count good (20MP)
flash built-in
lack of Timelapse function
not so great battery power (410 per charge)
display is not selfie friendly
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Landscape Comparison

Canon 20D Landscape photography info
Pentax K-S1 Landscape photography info
46
has manual focus
interchangeable lenses (Canon EF/EF-S mount)
sensor size is decent (APS-C)
exports RAW files
tiny screen (1.8")
doesn't have liveview
lack of manual mode
lack of image stabilization
low megapixels (8MP)
73
manual focus
switch lenses (Pentax KAF2 mount)
screen size is good (3")
image stabilization (Sensor based)
megapixel count good (20MP)
sensor size is decent (APS-C)
no anti-alias filter
above average ISO range (51,200)
exports RAW formats
not so great battery power (410 shots)
lack of Timelapse function
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Vlogging Comparison

Vlogging with Canon 20D
Vlogging with Pentax K-S1
9
no video recording
33
image stabilization (Sensor based)
comes with face detect focusing
video resolution high (1920 x 1080 resolution)
lighter than competition in class (558 grams)
display is not selfie friendly
lack of microphone socket
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Canon 20D vs Pentax K-S1 Specifications

Detailed spec comparison table for Canon 20D and Pentax K-S1
 Canon EOS 20DPentax K-S1
General Information
Brand Canon Pentax
Model type Canon EOS 20D Pentax K-S1
Class Advanced DSLR Advanced DSLR
Announced 2004-11-03 2014-08-27
Physical type Mid-size SLR Mid-size SLR
Sensor Information
Processor Chip - Prime MII
Sensor type CMOS CMOS
Sensor size APS-C APS-C
Sensor measurements 22.5 x 15mm 23.5 x 15.6mm
Sensor surface area 337.5mm² 366.6mm²
Sensor resolution 8 megapixels 20 megapixels
Anti alias filter
Aspect ratio 3:2 3:2
Highest resolution 3504 x 2336 5472 x 3648
Highest native ISO 1600 51200
Highest boosted ISO 3200 -
Min native ISO 100 100
RAW files
Autofocusing
Focus manually
AF touch
Continuous AF
Single AF
Tracking AF
AF selectice
Center weighted AF
AF multi area
Live view AF
Face detect focusing
Contract detect focusing
Phase detect focusing
Total focus points 9 11
Lens
Lens mount type Canon EF/EF-S Pentax KAF2
Total lenses 326 151
Crop factor 1.6 1.5
Screen
Display type Fixed Type Fixed Type
Display sizing 1.8 inch 3 inch
Display resolution 118 thousand dots 921 thousand dots
Selfie friendly
Liveview
Touch operation
Viewfinder Information
Viewfinder type Optical (pentaprism) Optical (pentaprism)
Viewfinder coverage 95% 100%
Viewfinder magnification 0.56x 0.64x
Features
Lowest shutter speed 30 seconds 30 seconds
Highest shutter speed 1/8000 seconds 1/6000 seconds
Continuous shooting rate 5.0 frames per sec 5.4 frames per sec
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation - Yes
Set WB
Image stabilization
Integrated flash
Flash distance 12.00 m (ISO 100) 10.00 m (at ISO 100)
Flash modes Auto, On, Red-eye reduction, Off Auto, auto + redeye, on, on + redeye reduction, slow sync, trailing curtain sync, manual
Hot shoe
AEB
White balance bracketing
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Video resolutions - 1920 x 1080 (30,25,24 fps), 1280 x 720 (60,50 fps)
Highest video resolution None 1920x1080
Video format - H.264
Microphone port
Headphone port
Connectivity
Wireless None Eye-Fi Connected
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None Optional
Physical
Environment sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 770g (1.70 pounds) 558g (1.23 pounds)
Dimensions 144 x 106 x 72mm (5.7" x 4.2" x 2.8") 121 x 93 x 70mm (4.8" x 3.7" x 2.8")
DXO scores
DXO All around rating 62 78
DXO Color Depth rating 21.9 23.5
DXO Dynamic range rating 11.0 13.0
DXO Low light rating 721 1061
Other
Battery life - 410 pictures
Type of battery - Battery Pack
Battery ID - D-LI109
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) SD/SDHC/SDXC
Card slots One One
Pricing at launch $1,300 $339