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Olympus E-P2 vs Pentax K20D

Portability
86
Imaging
47
Features
42
Overall
45
Olympus PEN E-P2 front
 
Pentax K20D front
Portability
59
Imaging
53
Features
52
Overall
52

Olympus E-P2 vs Pentax K20D Key Specs

Olympus E-P2
(Full Review)
  • 12MP - Four Thirds Sensor
  • 3" Fixed Display
  • ISO 100 - 6400
  • Sensor based Image Stabilization
  • 1280 x 720 video
  • Micro Four Thirds Mount
  • 355g - 121 x 70 x 36mm
  • Introduced April 2010
  • Superseded the Olympus E-P1
  • Replacement is Olympus E-P3
Pentax K20D
(Full Review)
  • 15MP - APS-C Sensor
  • 2.7" Fixed Screen
  • ISO 100 - 3200 (Expand to 6400)
  • Sensor based Image Stabilization
  • No Video
  • Pentax KAF2 Mount
  • 800g - 142 x 101 x 70mm
  • Launched June 2008
  • Replaced the Pentax K10D
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Olympus E-P2 vs Pentax K20D Overview

On this page, we will be comparing the Olympus E-P2 vs Pentax K20D, one being a Entry-Level Mirrorless and the latter is a Advanced DSLR by rivals Olympus and Pentax. The resolution of the E-P2 (12MP) and the K20D (15MP) is pretty similar but the E-P2 (Four Thirds) and K20D (APS-C) provide totally different sensor dimensions.

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The E-P2 was brought out 23 months later than the K20D which makes them a generation apart from one another. Each of the cameras have different body design with the Olympus E-P2 being a Rangefinder-style mirrorless camera and the Pentax K20D being a Mid-size SLR camera.

Before we go into a thorough comparison, here is a quick view of how the E-P2 scores versus the K20D with respect to portability, imaging, features and an overall grade.

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Reasons to pick Olympus E-P2 over the Pentax K20D

 E-P2 K20D 
LaunchedApril 2010June 2008More recent by 23 months
Screen dimensions3"2.7"Bigger screen (+0.3")

Reasons to pick Pentax K20D over the Olympus E-P2

 K20D E-P2 

Common features in the Olympus E-P2 and Pentax K20D

 E-P2 K20D 
Manually focus Very exact focusing
Screen typeFixed Fixed Fixed screen
Screen resolution230k230kIdentical screen resolution
Selfie screen Lacking selfie screen
Touch screen Lacking Touch screen

Olympus E-P2 vs Pentax K20D Physical Comparison

In case you're intending to lug around your camera often, you will need to factor in its weight and volume. The Olympus E-P2 comes with exterior measurements of 121mm x 70mm x 36mm (4.8" x 2.8" x 1.4") along with a weight of 355 grams (0.78 lbs) whilst the Pentax K20D has sizing of 142mm x 101mm x 70mm (5.6" x 4.0" x 2.8") accompanied by a weight of 800 grams (1.76 lbs).

Take a look at the Olympus E-P2 vs Pentax K20D in the latest Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Keep in mind, the weight of an Interchangeable Lens Camera will change dependant on the lens you are utilizing during that time. Below is a front view dimension comparison of the E-P2 compared to the K20D.

Olympus E-P2 vs Pentax K20D size comparison

Considering dimensions and weight, the portability score of the E-P2 and K20D is 86 and 59 respectively.

Olympus E-P2 vs Pentax K20D top view buttons comparison

Olympus E-P2 vs Pentax K20D Sensor Comparison

More often than not, it's difficult to visualise the contrast between sensor measurements just by reading specifications. The photograph below will help provide you a far better sense of the sensor measurements in the E-P2 and K20D.

To sum up, each of these cameras provide different megapixel count and different sensor measurements. The E-P2 due to its tinier sensor will make shooting bokeh more difficult and the Pentax K20D will offer extra detail having its extra 3MP. Higher resolution will let you crop shots more aggressively. The younger E-P2 is going to have an edge with regard to sensor tech.

Olympus E-P2 vs Pentax K20D sensor size comparison

Olympus E-P2 vs Pentax K20D Screen and ViewFinder

Olympus E-P2 vs Pentax K20D Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Olympus E-P2 as a Portrait photography camera
Pentax K20D as a Portrait photography camera
60
focusing manually
good sensor size (Four Thirds)
supports face detection focusing
exports RAW files
sensor resolution low (12 megapixels)
71
has manual focus
megapixel count good (15 megapixels)
sensor size is good (APS-C)
supports RAW formats
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Street Comparison

Olympus E-P2 Street photography details
Pentax K20D Street photography details
74
has image stabilization (Sensor based)
good sensor size (Four Thirds)
exports RAW files
fixed screen
65
image stabilization (Sensor based)
sensor size is good (APS-C)
supports RAW formats
weather proof
fixed screen
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Sports Comparison

Olympus E-P2 as a Sports photography camera
Pentax K20D as a Sports photography camera
40
has image stabilization (Sensor based)
good sensor size (Four Thirds)
max fps very slow (3.0 frames/s)
sensor resolution low (12 megapixels)
terrible battery power (300 CIPA)
no phase detect AF
68
image stabilization (Sensor based)
megapixel count good (15MP)
sensor size is good (APS-C)
weather proof
comes with phase detect auto focus
low fps (3.0 fps)
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Travel Comparison

Olympus E-P2 Travel photography info
Pentax K20D Travel photography info
43
lack of Time Lapse mode
terrible battery power (300 per charge)
sensor resolution low (12MP)
screen isn't selfie friendly
64
weather proof
megapixel count good (15 megapixels)
built-in flash
display is not selfie friendly
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Landscape Comparison

Landscape photography with Olympus E-P2
Landscape photography with Pentax K20D
60
focusing manually
change lenses (Micro Four Thirds mount)
screen size is decent (3 inches)
has image stabilization (Sensor based)
good sensor size (Four Thirds)
exports RAW files
sensor resolution low (12MP)
terrible battery power (300 CIPA)
lack of Time Lapse mode
70
has manual focus
interchangeable lenses (Pentax KAF2 mount)
image stabilization (Sensor based)
megapixel count good (15MP)
sensor size is good (APS-C)
supports RAW formats
weather proof
small screen (2.7 inches)
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Vlogging Comparison

Olympus E-P2 Vlogging factors
Pentax K20D Vlogging factors
29
has image stabilization (Sensor based)
supports face detection focusing
screen isn't selfie friendly
low video resolution (1280 x 720 pxls)
lack of external mic socket
9
no video shooting
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Olympus E-P2 vs Pentax K20D Specifications

Detailed spec comparison table for Olympus E-P2 and Pentax K20D
 Olympus PEN E-P2Pentax K20D
General Information
Brand Olympus Pentax
Model type Olympus PEN E-P2 Pentax K20D
Class Entry-Level Mirrorless Advanced DSLR
Introduced 2010-04-22 2008-06-25
Body design Rangefinder-style mirrorless Mid-size SLR
Sensor Information
Chip TruePic V -
Sensor type CMOS CMOS
Sensor size Four Thirds APS-C
Sensor dimensions 17.3 x 13mm 23.4 x 15.6mm
Sensor surface area 224.9mm² 365.0mm²
Sensor resolution 12 megapixels 15 megapixels
Anti alias filter
Aspect ratio 4:3 3:2
Highest Possible resolution 4032 x 3024 4672 x 3104
Maximum native ISO 6400 3200
Maximum enhanced ISO - 6400
Minimum native ISO 100 100
RAW images
Autofocusing
Manual focusing
Touch to focus
AF continuous
AF single
Tracking AF
AF selectice
Center weighted AF
Multi area AF
Live view AF
Face detect focusing
Contract detect focusing
Phase detect focusing
Total focus points 11 11
Lens
Lens mount type Micro Four Thirds Pentax KAF2
Amount of lenses 107 151
Crop factor 2.1 1.5
Screen
Display type Fixed Type Fixed Type
Display diagonal 3 inches 2.7 inches
Display resolution 230 thousand dot 230 thousand dot
Selfie friendly
Liveview
Touch operation
Display technology HyperCrystal LCD with AR(Anti-Reflective) coating -
Viewfinder Information
Viewfinder type Electronic (optional) Optical (pentaprism)
Viewfinder coverage - 95%
Viewfinder magnification - 0.64x
Features
Min shutter speed 60 seconds 30 seconds
Max shutter speed 1/4000 seconds 1/4000 seconds
Continuous shutter speed 3.0 frames per second 3.0 frames per second
Shutter priority
Aperture priority
Manual exposure
Exposure compensation Yes Yes
Custom WB
Image stabilization
Inbuilt flash
Flash distance no built-in flash 13.00 m (at ISO 100)
Flash settings Auto, On, Off, Red-Eye, Fill-in, Slow Sync, Manual (3 levels) Auto, Red-Eye, Slow, Red-Eye Slow, Rear curtain, wireless
External flash
AEB
WB bracketing
Max flash sync 1/180 seconds 1/180 seconds
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Supported video resolutions 1280 x 720 (30 fps), 640 x 480 (30 fps) -
Maximum video resolution 1280x720 None
Video data format Motion JPEG -
Mic input
Headphone input
Connectivity
Wireless None None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environment seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 355 grams (0.78 pounds) 800 grams (1.76 pounds)
Physical dimensions 121 x 70 x 36mm (4.8" x 2.8" x 1.4") 142 x 101 x 70mm (5.6" x 4.0" x 2.8")
DXO scores
DXO Overall rating 56 65
DXO Color Depth rating 21.5 22.9
DXO Dynamic range rating 10.4 11.1
DXO Low light rating 505 639
Other
Battery life 300 pictures -
Style of battery Battery Pack -
Battery ID BLS-1 D-LI50
Self timer Yes (2 or 12 sec) Yes (2 or 10 sec)
Time lapse shooting
Storage media SD/SDHC card SD/MMC/SDHC card
Storage slots 1 1
Price at release $799 $700