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Olympus E-P2 vs Pentax 645D

Portability
86
Imaging
47
Features
42
Overall
45
Olympus PEN E-P2 front
 
Pentax 645D front
Portability
50
Imaging
76
Features
52
Overall
66

Olympus E-P2 vs Pentax 645D 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
  • Replaced the Olympus E-P1
  • Refreshed by Olympus E-P3
Pentax 645D
(Full Review)
  • 40MP - Medium format Sensor
  • 3" Fixed Display
  • ISO 200 - 1600
  • No Anti-Alias Filter
  • No Video
  • Pentax 645AF2 Mount
  • 1480g - 156 x 117 x 119mm
  • Released March 2010
  • Refreshed by Pentax 645Z
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Olympus E-P2 vs Pentax 645D Overview

Following is a thorough assessment of the Olympus E-P2 vs Pentax 645D, one is a Entry-Level Mirrorless and the other is a Pro DSLR by brands Olympus and Pentax. There exists a significant gap among the resolutions of the E-P2 (12MP) and 645D (40MP) and the E-P2 (Four Thirds) and 645D (Medium format) posses totally different sensor size.

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The E-P2 was manufactured 2 months after the 645D so they are of a similar generation. Each of these cameras feature different body design with the Olympus E-P2 being a Rangefinder-style mirrorless camera and the Pentax 645D being a Large SLR camera.

Before diving right into a in depth comparison, here is a concise summary of how the E-P2 scores versus the 645D with respect to portability, imaging, features and an overall score.

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Reasons to pick Olympus E-P2 over the Pentax 645D

 E-P2 645D 

Reasons to pick Pentax 645D over the Olympus E-P2

 645D E-P2 
Display resolution921k230kSharper display (+691k dot)

Common features in the Olympus E-P2 and Pentax 645D

 E-P2 645D 
ReleasedApril 2010March 2010Same generation
Focus manually More precise focusing
Display typeFixed Fixed Fixed display
Display size3"3"Same display size
Selfie screen Absent selfie screen
Touch display Absent Touch display

Olympus E-P2 vs Pentax 645D Physical Comparison

In case you're intending to carry around your camera regularly, you are going to need to factor in its weight and size. The Olympus E-P2 offers external measurements of 121mm x 70mm x 36mm (4.8" x 2.8" x 1.4") having a weight of 355 grams (0.78 lbs) and the Pentax 645D has specifications of 156mm x 117mm x 119mm (6.1" x 4.6" x 4.7") and a weight of 1480 grams (3.26 lbs).

Examine the Olympus E-P2 vs Pentax 645D 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 change dependant on the lens you select at that time. Following is a front view dimension comparison of the E-P2 against the 645D.

Olympus E-P2 vs Pentax 645D size comparison

Considering dimensions and weight, the portability score of the E-P2 and 645D is 86 and 50 respectively.

Olympus E-P2 vs Pentax 645D top view buttons comparison

Olympus E-P2 vs Pentax 645D Sensor Comparison

Quite often, it is difficult to envision the difference in sensor sizes purely by checking out specifications. The picture here should offer you a better sense of the sensor measurements in the E-P2 and 645D.

To sum up, both of those cameras come with different megapixels and different sensor sizes. The E-P2 because of its smaller sensor will make getting shallower depth of field harder and the Pentax 645D will show more detail due to its extra 28 Megapixels. Greater resolution will also allow you to crop images a good deal more aggressively.

Olympus E-P2 vs Pentax 645D sensor size comparison

Olympus E-P2 vs Pentax 645D Screen and ViewFinder

Olympus E-P2 vs Pentax 645D Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Portrait photography with Olympus E-P2
Portrait photography with Pentax 645D
60
manual focus
decent sensor size (Four Thirds)
provides face detection focus
exports RAW files
sensor resolution not great (12MP)
77
has manual focus
megapixel count excellent (40MP)
big sensor size (Medium format)
saves RAW files
does not have liveview
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Street Comparison

Street photography with Olympus E-P2
Street photography with Pentax 645D
74
built in image stabilization (Sensor based)
decent sensor size (Four Thirds)
exports RAW files
screen is fixed
58
big sensor size (Medium format)
saves RAW files
weather proofing
no moving screen
lack of image stabilization
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Sports Comparison

Olympus E-P2 Sports photography factors
Pentax 645D Sports photography factors
40
built in image stabilization (Sensor based)
decent sensor size (Four Thirds)
continuous shooting slow (3.0 frames/s)
sensor resolution not great (12 megapixels)
bad battery power (300 per charge)
lack of phase detect auto focus
63
megapixel count excellent (40 megapixels)
big sensor size (Medium format)
weather proofing
supports phase detect AF
does not have liveview
slow frames per second (1.0 frames per second)
lack of image stabilization
not so great battery (800 CIPA)
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Travel Comparison

Olympus E-P2 Travel photography features
Pentax 645D Travel photography features
43
no Timelapse function
bad battery power (300 per charge)
sensor resolution not great (12 megapixels)
doesn't offer selfie friendly screen
55
weather proofing
megapixel count excellent (40 megapixels)
not so great battery (800 shots)
doesn't offer selfie friendly display
Photography Glossary

Landscape Comparison

Olympus E-P2 as a Landscape photography camera
Pentax 645D as a Landscape photography camera
60
manual focus
swap lenses (Micro Four Thirds mount)
pretty good screen size (3")
built in image stabilization (Sensor based)
decent sensor size (Four Thirds)
exports RAW files
sensor resolution not great (12 megapixels)
bad battery power (300 per charge)
no Timelapse function
72
has manual focus
switch lenses (Pentax 645AF2 mount)
good sized screen (3 inches)
megapixel count excellent (40MP)
big sensor size (Medium format)
no anti-alias filter
saves RAW files
weather proofing
2 card slots
does not have liveview
lack of image stabilization
not so great battery (800 shots)
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Vlogging Comparison

Olympus E-P2 Vlogging information
Pentax 645D Vlogging information
29
built in image stabilization (Sensor based)
provides face detection focus
doesn't offer selfie friendly screen
low video resolution (1280 x 720 pxls)
no external microphone socket
9
lack of video recording
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Olympus E-P2 vs Pentax 645D Specifications

Detailed spec comparison table for Olympus E-P2 and Pentax 645D
 Olympus PEN E-P2Pentax 645D
General Information
Brand Name Olympus Pentax
Model Olympus PEN E-P2 Pentax 645D
Class Entry-Level Mirrorless Pro DSLR
Introduced 2010-04-22 2010-03-10
Physical type Rangefinder-style mirrorless Large SLR
Sensor Information
Processor TruePic V Prime II
Sensor type CMOS CCD
Sensor size Four Thirds Medium format
Sensor measurements 17.3 x 13mm 44 x 33mm
Sensor surface area 224.9mm² 1,452.0mm²
Sensor resolution 12 megapixel 40 megapixel
Anti aliasing filter
Aspect ratio 4:3 4:3
Full resolution 4032 x 3024 7264 x 5440
Max native ISO 6400 1600
Min native ISO 100 200
RAW pictures
Min boosted ISO - 100
Autofocusing
Focus manually
Touch to focus
AF continuous
Single AF
Tracking AF
AF selectice
Center weighted AF
Multi area AF
Live view AF
Face detect focusing
Contract detect focusing
Phase detect focusing
Number of focus points 11 11
Lens
Lens mounting type Micro Four Thirds Pentax 645AF2
Available lenses 107 6
Crop factor 2.1 0.8
Screen
Display type Fixed Type Fixed Type
Display sizing 3" 3"
Display resolution 230k dots 921k dots
Selfie friendly
Liveview
Touch display
Display tech HyperCrystal LCD with AR(Anti-Reflective) coating TFT Color LCD with wide-viewing angle and with AR coating
Viewfinder Information
Viewfinder type Electronic (optional) Optical (pentaprism)
Viewfinder coverage - 98 percent
Viewfinder magnification - 0.85x
Features
Slowest shutter speed 60s 30s
Maximum shutter speed 1/4000s 1/4000s
Continuous shooting rate 3.0 frames per sec 1.0 frames per sec
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Custom WB
Image stabilization
Built-in flash
Flash range no built-in flash no built-in flash
Flash settings Auto, On, Off, Red-Eye, Fill-in, Slow Sync, Manual (3 levels) Auto, On, Off, Red-eye, Slow Sync, Rear Curtain
External flash
AE bracketing
WB bracketing
Maximum flash synchronize 1/180s 1/125s
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Video resolutions 1280 x 720 (30 fps), 640 x 480 (30 fps) -
Max video resolution 1280x720 None
Video file format Motion JPEG -
Microphone support
Headphone support
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 sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 355 gr (0.78 lb) 1480 gr (3.26 lb)
Physical dimensions 121 x 70 x 36mm (4.8" x 2.8" x 1.4") 156 x 117 x 119mm (6.1" x 4.6" x 4.7")
DXO scores
DXO All around score 56 82
DXO Color Depth score 21.5 24.6
DXO Dynamic range score 10.4 12.6
DXO Low light score 505 1262
Other
Battery life 300 shots 800 shots
Battery style Battery Pack Battery Pack
Battery model BLS-1 D-LI90
Self timer Yes (2 or 12 sec) Yes (2 or 10 sec)
Time lapse feature
Type of storage SD/SDHC card SD/SDHC
Card slots One Two
Price at launch $799 $4,000