Canon 20Da vs Olympus E-30

Canon EOS 20Da front
Olympus E-30 front

Canon 20Da vs Olympus E-30 Key Specs

Canon 20Da
(Full Review)
  • 8MP - APS-C Sensor
  • 1.8" Fixed Display
  • ISO 100 - 1600 (Increase to 3200)
  • 1/8000s Maximum Shutter
  • No Video
  • Canon EF/EF-S Mount
  • 770g - 144 x 106 x 72mm
  • Announced June 2005
Olympus E-30
(Full Review)
  • 12MP - Four Thirds Sensor
  • 2.7" Fully Articulated Screen
  • ISO 100 - 3200
  • Sensor based Image Stabilization
  • 1/8000s Max Shutter
  • No Video
  • Micro Four Thirds Mount
  • 695g - 142 x 108 x 75mm
  • Revealed March 2009
Photographer fined '$200,000' for failing to deliver photos

Canon 20Da vs Olympus E-30 Overview

Following is a comprehensive assessment of the Canon 20Da versus Olympus E-30, both Advanced DSLR digital cameras by manufacturers Canon and Olympus. There is a sizeable difference between the image resolutions of the 20Da (8MP) and E-30 (12MP) and the 20Da (APS-C) and E-30 (Four Thirds) feature different sensor sizes.

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The 20Da was released 4 years prior to the E-30 which is quite a large gap as far as tech is concerned. Both the cameras offer the identical body type (Mid-size SLR).

Before we go through a step-by-step comparison, below is a simple summary of how the 20Da scores versus the E-30 with regards to portability, imaging, features and an overall score.

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Reasons to pick Canon 20Da over the Olympus E-30

 20Da E-30 

Reasons to pick Olympus E-30 over the Canon 20Da

 E-30 20Da 
RevealedMarch 2009June 2005More modern by 46 months
Screen typeFully ArticulatedFixed Fully Articulating screen
Screen sizing2.7"1.8"Bigger screen (+0.9")
Screen resolution230k118kCrisper screen (+112k dot)
Selfie screen Easy selfies

Common features in the Canon 20Da and Olympus E-30

 20Da E-30 
Focus manually More accurate focusing
Touch friendly screen Neither comes with Touch friendly screen

Canon 20Da vs Olympus E-30 Physical Comparison

For anyone who is aiming to carry around your camera frequently, you will want to think about its weight and measurements. The Canon 20Da comes with exterior measurements of 144mm x 106mm x 72mm (5.7" x 4.2" x 2.8") along with a weight of 770 grams (1.70 lbs) and the Olympus E-30 has proportions of 142mm x 108mm x 75mm (5.6" x 4.3" x 3.0") with a weight of 695 grams (1.53 lbs).

Check out the Canon 20Da versus Olympus E-30 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 use at that time. The following is the front view overall size comparison of the 20Da against the E-30.

Canon 20Da vs Olympus E-30 size comparison

Looking at size and weight, the portability rating of the 20Da and E-30 is 59 and 60 respectively.

Canon 20Da vs Olympus E-30 top view buttons comparison

Canon 20Da vs Olympus E-30 Sensor Comparison

In many cases, its tough to picture the gap between sensor sizes simply by going over a spec sheet. The image here will help offer you a much better sense of the sensor sizing in the 20Da and E-30.

Clearly, the 2 cameras offer different resolutions and different sensor sizes. The 20Da due to its bigger sensor is going to make getting shallow depth of field less difficult and the Olympus E-30 will deliver greater detail as a result of its extra 4 Megapixels. Higher resolution will also allow you to crop shots a little more aggressively. The more aged 20Da is going to be behind with regard to sensor technology.

Canon 20Da vs Olympus E-30 sensor size comparison

Canon 20Da vs Olympus E-30 Screen and ViewFinder

Canon 20Da vs Olympus E-30 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Canon 20Da Portrait photography highlights
Olympus E-30 Portrait photography highlights
focusing manually
good sensor size (APS-C)
saves RAW formats
no liveview feature
sensor resolution low (8 megapixels)
has manual focus
sensor size is decent (Four Thirds)
supports face detection focus
supports RAW formats
low megapixels (12MP)
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Street Comparison

Canon 20Da as a Street photography camera
Olympus E-30 as a Street photography camera
good sensor size (APS-C)
saves RAW formats
no articulating screen
no image stabilization
fully articulated screen
image stabilization (Sensor based)
sensor size is decent (Four Thirds)
supports RAW formats
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Sports Comparison

Sports photography with Canon 20Da
Sports photography with Olympus E-30
max shutter speed is good (1/8,000 seconds)
good sensor size (APS-C)
supports phase detect autofocus
no liveview feature
very slow continuous shooting (5.0 fps)
no image stabilization
sensor resolution low (8 megapixels)
high shutter speed (1/8,000 seconds)
image stabilization (Sensor based)
sensor size is decent (Four Thirds)
has phase detect auto focus
continuous shooting slow (5.0 frames/s)
low megapixels (12MP)
not so great battery pack (750 shots)
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Travel Comparison

Canon 20Da Travel photography advice
Olympus E-30 Travel photography advice
has built in flash
does not have Time Lapse function
sensor resolution low (8MP)
screen is not selfie friendly
flash built-in
display is selfie friendly
missing Timelapse mode
not so great battery pack (750 CIPA)
low megapixels (12MP)
Coronavirus is affecting the sensor business

Landscape Comparison

Canon 20Da Landscape photography information
Olympus E-30 Landscape photography information
focusing manually
change lenses (Canon EF/EF-S mount)
good sensor size (APS-C)
saves RAW formats
tiny screen (1.8")
no liveview feature
no image stabilization
sensor resolution low (8MP)
does not have Time Lapse function
has manual focus
switch lenses (Micro Four Thirds mount)
image stabilization (Sensor based)
sensor size is decent (Four Thirds)
supports RAW formats
small screen (2.7")
low megapixels (12MP)
not so great battery pack (750 per charge)
missing Timelapse mode
400 Megapixel mode coming to Fujifilm GFX 100

Vlogging Comparison

Canon 20Da Vlogging info
Olympus E-30 Vlogging info
no video recording
can't shoot video
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Canon 20Da vs Olympus E-30 Specifications

Detailed spec comparison table for Canon 20Da and Olympus E-30
 Canon EOS 20DaOlympus E-30
General Information
Brand Canon Olympus
Model type Canon EOS 20Da Olympus E-30
Type Advanced DSLR Advanced DSLR
Announced 2005-06-01 2009-03-24
Physical type Mid-size SLR Mid-size SLR
Sensor Information
Chip - TruePic III+
Sensor type CMOS CMOS
Sensor size APS-C Four Thirds
Sensor measurements 22.5 x 15mm 17.3 x 13mm
Sensor surface area 337.5mm² 224.9mm²
Sensor resolution 8 megapixels 12 megapixels
Anti alias filter
Aspect ratio 3:2 1:1, 5:4, 4:3, 3:2 and 16:9
Peak resolution 3504 x 2336 4032 x 3024
Highest native ISO 1600 3200
Highest enhanced ISO 3200 -
Minimum native ISO 100 100
RAW pictures
Focus manually
Touch to focus
Continuous autofocus
Autofocus single
Tracking autofocus
Selective autofocus
Autofocus center weighted
Autofocus multi area
Autofocus live view
Face detect focus
Contract detect focus
Phase detect focus
Total focus points 9 11
Lens mount type Canon EF/EF-S Micro Four Thirds
Amount of lenses 326 45
Focal length multiplier 1.6 2.1
Display type Fixed Type Fully Articulated
Display size 1.8 inches 2.7 inches
Display resolution 118 thousand dots 230 thousand dots
Selfie friendly
Touch display
Display tech - HyperCrystal II LCD
Viewfinder Information
Viewfinder type Optical (pentaprism) Optical (pentaprism)
Viewfinder coverage 95% 98%
Viewfinder magnification 0.56x 0.56x
Min shutter speed 30s 60s
Max shutter speed 1/8000s 1/8000s
Continuous shutter rate 5.0fps 5.0fps
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Change white balance
Image stabilization
Integrated flash
Flash distance 12.00 m (ISO 100) 13.00 m
Flash settings Auto, On, Red-eye reduction, Off Auto, Manual, Fill, Red-eye reduction, Slow sync with red-eye reduction, Slow sync, Slow sync 2nd curtain, Off
External flash
White balance bracketing
Max flash synchronize 1/250s 1/250s
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Highest video resolution None None
Microphone support
Headphone support
Wireless None None
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Environmental sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 770 grams (1.70 pounds) 695 grams (1.53 pounds)
Dimensions 144 x 106 x 72mm (5.7" x 4.2" x 2.8") 142 x 108 x 75mm (5.6" x 4.3" x 3.0")
DXO scores
DXO Overall rating not tested 55
DXO Color Depth rating not tested 21.3
DXO Dynamic range rating not tested 10.4
DXO Low light rating not tested 530
Battery life - 750 images
Type of battery - Battery Pack
Battery ID - BLM-1
Self timer Yes (10 sec (2 sec with mirror lock-up)) Yes (12 or 2 sec)
Time lapse recording
Type of storage Compact Flash (Type I or II) Compact Flash (Type I or II) / xD Picture Card
Card slots 1 1
Retail pricing $1,499 $1,299