Olympus E-P2 vs Pentax K-01

Olympus PEN E-P2 front
Pentax K-01 front

Olympus E-P2 vs Pentax K-01 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
  • Revealed April 2010
  • Previous Model is Olympus E-P1
  • Updated by Olympus E-P3
Pentax K-01
(Full Review)
  • 16MP - APS-C Sensor
  • 3" Fixed Display
  • ISO 100 - 12800 (Expand to 25600)
  • Sensor based Image Stabilization
  • 1920 x 1080 video
  • Pentax KAF2 Mount
  • 561g - 122 x 79 x 58mm
  • Revealed May 2012
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Olympus E-P2 vs Pentax K-01 Overview

Here is a extensive overview of the Olympus E-P2 versus Pentax K-01, both Entry-Level Mirrorless cameras by manufacturers Olympus and Pentax. There is a sizeable difference among the image resolutions of the E-P2 (12MP) and K-01 (16MP) and the E-P2 (Four Thirds) and K-01 (APS-C) offer different sensor dimensions.

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The E-P2 was manufactured 3 years earlier than the K-01 and that is a fairly large gap as far as camera tech is concerned. The two cameras have different body design with the Olympus E-P2 being a Rangefinder-style mirrorless camera and the Pentax K-01 being a SLR-style mirrorless camera.

Before we go into a step-by-step comparison, here is a simple synopsis of how the E-P2 grades against the K-01 in relation to portability, imaging, features and an overall rating.

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Reasons to pick Olympus E-P2 over the Pentax K-01

 E-P2 K-01 

Reasons to pick Pentax K-01 over the Olympus E-P2

 K-01 E-P2 
RevealedMay 2012April 2010Fresher by 25 months
Display resolution921k230kClearer display (+691k dot)

Common features in the Olympus E-P2 and Pentax K-01

 E-P2 K-01 
Focus manually Very exact focusing
Display typeFixed Fixed Fixed display
Display dimensions3"3"Equal display sizing
Selfie screen Neither comes with selfie screen
Touch friendly display Neither comes with Touch friendly display

Olympus E-P2 vs Pentax K-01 Physical Comparison

If you're looking to carry your camera, you will need to take into account its weight and dimensions. The Olympus E-P2 comes with physical measurements of 121mm x 70mm x 36mm (4.8" x 2.8" x 1.4") and a weight of 355 grams (0.78 lbs) while the Pentax K-01 has dimensions of 122mm x 79mm x 58mm (4.8" x 3.1" x 2.3") along with a weight of 561 grams (1.24 lbs).

Analyze the Olympus E-P2 versus Pentax K-01 in the all new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into account, the weight of an Interchangeable Lens Camera will vary based on the lens you are utilizing during that time. Below is a front view measurements comparison of the E-P2 versus the K-01.

Olympus E-P2 vs Pentax K-01 size comparison

Looking at size and weight, the portability rating of the E-P2 and K-01 is 86 and 76 respectively.

Olympus E-P2 vs Pentax K-01 top view buttons comparison

Olympus E-P2 vs Pentax K-01 Sensor Comparison

Usually, it is difficult to picture the gap in sensor sizing just by researching specs. The visual below will help offer you a clearer sense of the sensor sizing in the E-P2 and K-01.

As you can plainly see, both the cameras have different megapixel count and different sensor sizing. The E-P2 because of its smaller sensor is going to make achieving shallow depth of field tougher and the Pentax K-01 will render more detail due to its extra 4 Megapixels. Greater resolution will help you crop photos a bit more aggressively. The older E-P2 will be disadvantaged with regard to sensor innovation.

Olympus E-P2 vs Pentax K-01 sensor size comparison

Olympus E-P2 vs Pentax K-01 Screen and ViewFinder

Olympus E-P2 vs Pentax K-01 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Portrait photography with Olympus E-P2
Portrait photography with Pentax K-01
has manual focus
decent sensor size (Four Thirds)
has face detect focusing
delivers RAW formats
low megapixels (12MP)
has manual focus
megapixel count good (16MP)
decent sensor size (APS-C)
comes with face detect focus
exports RAW files
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Street Comparison

Olympus E-P2 Street photography info
Pentax K-01 Street photography info
image stabilization (Sensor based)
decent sensor size (Four Thirds)
delivers RAW formats
screen does not articulate
image stabilization (Sensor based)
decent sensor size (APS-C)
exports RAW files
no moving screen
more heavy than others (561 grams)
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Sports Comparison

Sports photography with Olympus E-P2
Sports photography with Pentax K-01
image stabilization (Sensor based)
decent sensor size (Four Thirds)
slow fps (3.0 frames per second)
low megapixels (12 megapixels)
low battery life (300 shots)
lacks phase detect AF
image stabilization (Sensor based)
megapixel count good (16 megapixels)
decent sensor size (APS-C)
good battery power (540 per charge)
continuous shooting slow (6.0 frames per second)
lacks phase detect auto focus
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Travel Comparison

Olympus E-P2 Travel photography information
Pentax K-01 Travel photography information
no Time Lapse mode
low battery life (300 CIPA)
low megapixels (12MP)
does not posses selfie friendly screen
good battery power (540 CIPA)
megapixel count good (16 megapixels)
flash built-in
more heavy than others (561 grams)
display isn't selfie friendly
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Landscape Comparison

Olympus E-P2 Landscape photography factors
Pentax K-01 Landscape photography factors
has manual focus
change lenses (Micro Four Thirds mount)
screen is a decent size (3")
image stabilization (Sensor based)
decent sensor size (Four Thirds)
delivers RAW formats
low megapixels (12MP)
low battery life (300 CIPA)
no Time Lapse mode
has manual focus
interchangeable lenses (Pentax KAF2 mount)
screen size is good (3")
image stabilization (Sensor based)
megapixel count good (16MP)
decent sensor size (APS-C)
exports RAW files
good battery power (540 per charge)
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Vlogging Comparison

Olympus E-P2 Vlogging info
Pentax K-01 Vlogging info
image stabilization (Sensor based)
has face detect focusing
does not posses selfie friendly screen
low video resolution (1280 x 720 resolution)
no mic socket
image stabilization (Sensor based)
comes with face detect focus
high quality video (1920 x 1080 pxls)
has microphone port
display isn't selfie friendly
more heavy than others (561g)
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Olympus E-P2 vs Pentax K-01 Specifications

Detailed spec comparison table for Olympus E-P2 and Pentax K-01
 Olympus PEN E-P2Pentax K-01
General Information
Brand Olympus Pentax
Model Olympus PEN E-P2 Pentax K-01
Category Entry-Level Mirrorless Entry-Level Mirrorless
Revealed 2010-04-22 2012-05-30
Body design Rangefinder-style mirrorless SLR-style mirrorless
Sensor Information
Processor Chip TruePic V -
Sensor type CMOS CMOS
Sensor size Four Thirds APS-C
Sensor measurements 17.3 x 13mm 23.7 x 15.7mm
Sensor surface area 224.9mm² 372.1mm²
Sensor resolution 12MP 16MP
Anti aliasing filter
Aspect ratio 4:3 1:1, 4:3, 3:2 and 16:9
Full resolution 4032 x 3024 4928 x 3264
Max native ISO 6400 12800
Max boosted ISO - 25600
Min native ISO 100 100
RAW files
Focus manually
Touch focus
Autofocus continuous
Autofocus single
Tracking autofocus
Autofocus selectice
Autofocus center weighted
Multi area autofocus
Live view autofocus
Face detect focus
Contract detect focus
Phase detect focus
Number of focus points 11 81
Lens mount Micro Four Thirds Pentax KAF2
Total lenses 107 151
Crop factor 2.1 1.5
Display type Fixed Type Fixed Type
Display size 3" 3"
Display resolution 230k dot 921k dot
Selfie friendly
Touch friendly
Display tech HyperCrystal LCD with AR(Anti-Reflective) coating TFT LCD monitor
Viewfinder Information
Viewfinder Electronic (optional) None
Lowest shutter speed 60 secs 30 secs
Highest shutter speed 1/4000 secs 1/4000 secs
Continuous shooting speed 3.0 frames/s 6.0 frames/s
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Change white balance
Image stabilization
Integrated flash
Flash range no built-in flash 12.00 m (at ISO 100)
Flash modes Auto, On, Off, Red-Eye, Fill-in, Slow Sync, Manual (3 levels) Auto, On, Off, Red-eye, Slow-speed Sync, Trailing Curtain Sync
Hot shoe
Auto exposure bracketing
WB bracketing
Highest flash sync 1/180 secs 1/180 secs
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Supported video resolutions 1280 x 720 (30 fps), 640 x 480 (30 fps) 1920 x 1080 (30, 25, 24 fps),1280 x 720 (60, 50, 30, 25, 24 fps), 640 x 480 (30, 25, 24 fps)
Max video resolution 1280x720 1920x1080
Video data format Motion JPEG MPEG-4, H.264
Microphone jack
Headphone jack
Wireless None None
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Environment seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 355 gr (0.78 lb) 561 gr (1.24 lb)
Physical dimensions 121 x 70 x 36mm (4.8" x 2.8" x 1.4") 122 x 79 x 58mm (4.8" x 3.1" x 2.3")
DXO scores
DXO All around score 56 79
DXO Color Depth score 21.5 23.7
DXO Dynamic range score 10.4 12.9
DXO Low light score 505 1135
Battery life 300 images 540 images
Form of battery Battery Pack Battery Pack
Battery model BLS-1 D-LI90
Self timer Yes (2 or 12 sec) Yes (2 or 12 sec)
Time lapse shooting
Storage media SD/SDHC card SD/SDHC/SDXC
Storage slots Single Single
Pricing at launch $799 $899