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Olympus E-P2 vs Pentax 645Z

Portability
86
Imaging
47
Features
42
Overall
45
Olympus PEN E-P2 front
 
Pentax 645Z front
Portability
49
Imaging
80
Features
74
Overall
77

Olympus E-P2 vs Pentax 645Z 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
  • Announced April 2010
  • Replaced the Olympus E-P1
  • Replacement is Olympus E-P3
Pentax 645Z
(Full Review)
  • 51MP - Medium format Sensor
  • 3.2" Tilting Display
  • ISO 100 - 204800
  • No Anti-Alias Filter
  • 1920 x 1080 video
  • Pentax 645AF2 Mount
  • 1550g - 156 x 117 x 123mm
  • Revealed April 2014
  • Previous Model is Pentax 645D
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Olympus E-P2 vs Pentax 645Z Overview

Let's look more closely at the Olympus E-P2 vs Pentax 645Z, former is a Entry-Level Mirrorless while the other is a Pro DSLR by companies Olympus and Pentax. There is a sizable difference between the image resolutions of the E-P2 (12MP) and 645Z (51MP) and the E-P2 (Four Thirds) and 645Z (Medium format) offer totally different sensor dimensions.

Photography Glossary

The E-P2 was launched 5 years earlier than the 645Z which is quite a significant difference as far as tech is concerned. Each of the cameras feature different body design with the Olympus E-P2 being a Rangefinder-style mirrorless camera and the Pentax 645Z being a Large SLR camera.

Before going right into a in depth comparison, here is a simple overview of how the E-P2 scores vs the 645Z in terms of portability, imaging, features and an overall mark.

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

 E-P2 645Z 

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

 645Z E-P2 
RevealedApril 2014April 2010Newer by 48 months
Display typeTiltingFixed Tilting display
Display size3.2"3"Larger display (+0.2")
Display resolution1037k230kClearer display (+807k dot)

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

 E-P2 645Z 
Manual focus Dial exact focusing
Selfie screen Neither comes with selfie screen
Touch friendly display No Touch friendly display

Olympus E-P2 vs Pentax 645Z Physical Comparison

For anyone who is going to travel with your camera regularly, you will want to factor its weight and volume. The Olympus E-P2 comes with external dimensions of 121mm x 70mm x 36mm (4.8" x 2.8" x 1.4") with a weight of 355 grams (0.78 lbs) while the Pentax 645Z has sizing of 156mm x 117mm x 123mm (6.1" x 4.6" x 4.8") with a weight of 1550 grams (3.42 lbs).

Analyze the Olympus E-P2 vs Pentax 645Z in our brand new Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Do not forget, the weight of an ILC will vary dependant on the lens you have chosen during that time. Underneath is a front view overall size comparison of the E-P2 vs the 645Z.

Olympus E-P2 vs Pentax 645Z size comparison

Looking at size and weight, the portability rating of the E-P2 and 645Z is 86 and 49 respectively.

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

Olympus E-P2 vs Pentax 645Z Sensor Comparison

In many cases, it's hard to visualise the contrast between sensor dimensions only by reading through a spec sheet. The picture here might give you a more clear sense of the sensor sizes in the E-P2 and 645Z.

As you can see, both the cameras come with different resolutions and different sensor dimensions. The E-P2 because of its tinier sensor will make achieving bokeh more challenging and the Pentax 645Z will resolve extra detail utilizing its extra 39MP. Greater resolution will let you crop images a good deal more aggressively. The more aged E-P2 is going to be behind when it comes to sensor tech.

Olympus E-P2 vs Pentax 645Z sensor size comparison

Olympus E-P2 vs Pentax 645Z Screen and ViewFinder

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

Portrait Comparison

Olympus E-P2 Portrait photography features
Pentax 645Z Portrait photography features
60
you can focus manually
decent sensor size (Four Thirds)
includes face detect focus
delivers RAW formats
low resolution (12 megapixels)
88
focusing manually
fantastic resolution (51 megapixels)
big sensor size (Medium format)
supports face detection autofocus
exports RAW files
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Street Comparison

Olympus E-P2 Street photography details
Pentax 645Z Street photography details
74
built in image stabilization (Sensor based)
decent sensor size (Four Thirds)
delivers RAW formats
no moving screen
63
has a tilting screen
big sensor size (Medium format)
exports RAW files
weather sealing
above average ISO range (204,800)
lack of image stabilization
heavier than others (1,550 grams)
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Sports Comparison

Olympus E-P2 Sports photography features
Pentax 645Z Sports photography features
40
built in image stabilization (Sensor based)
decent sensor size (Four Thirds)
slow continuous shooting (3.0 fps)
low resolution (12 megapixels)
low battery life (300 shots)
doesn't have phase detect auto focus
71
fantastic resolution (51MP)
big sensor size (Medium format)
supports tracking autofocus
weather sealing
has phase detect autofocus
slow fps (3.0 frames/s)
lack of image stabilization
terrible battery power (650 shots)
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Travel Comparison

Olympus E-P2 Travel photography highlights
Pentax 645Z Travel photography highlights
43
no Time Lapse function
low battery life (300 CIPA)
low resolution (12 megapixels)
does not contain selfie friendly display
51
weather sealing
fantastic resolution (51MP)
terrible battery power (650 CIPA)
heavier than others (1,550g)
display isn't selfie friendly
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Landscape Comparison

Olympus E-P2 Landscape photography highlights
Pentax 645Z Landscape photography highlights
60
you can focus manually
switch lenses (Micro Four Thirds mount)
good sized screen (3 inches)
built in image stabilization (Sensor based)
decent sensor size (Four Thirds)
delivers RAW formats
low resolution (12MP)
low battery life (300 shots)
no Time Lapse function
78
focusing manually
switch lenses (Pentax 645AF2 mount)
screen is a good size (3.2")
fantastic resolution (51MP)
big sensor size (Medium format)
does not have anti aliasing filter
above average ISO range (204,800)
exports RAW files
weather sealing
two card slots
lack of image stabilization
terrible battery power (650 per charge)
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Vlogging Comparison

Olympus E-P2 Vlogging info
Pentax 645Z Vlogging info
29
built in image stabilization (Sensor based)
includes face detect focus
does not contain selfie friendly display
low video resolution (1280 x 720 resolution)
no mic jack
27
supports face detection autofocus
video resolution high (1920 x 1080 pixels)
has external mic socket
display isn't selfie friendly
lack of image stabilization
heavier than others (1,550 grams)
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Olympus E-P2 vs Pentax 645Z Specifications

Detailed spec comparison table for Olympus E-P2 and Pentax 645Z
 Olympus PEN E-P2Pentax 645Z
General Information
Manufacturer Olympus Pentax
Model Olympus PEN E-P2 Pentax 645Z
Class Entry-Level Mirrorless Pro DSLR
Announced 2010-04-22 2014-04-15
Physical type Rangefinder-style mirrorless Large SLR
Sensor Information
Powered by TruePic V PRIME III
Sensor type CMOS CMOS
Sensor size Four Thirds Medium format
Sensor dimensions 17.3 x 13mm 44 x 33mm
Sensor surface area 224.9mm² 1,452.0mm²
Sensor resolution 12 megapixels 51 megapixels
Anti aliasing filter
Aspect ratio 4:3 4:3
Highest resolution 4032 x 3024 8256 x 6192
Highest native ISO 6400 204800
Minimum native ISO 100 100
RAW data
Autofocusing
Focus manually
Touch focus
Continuous autofocus
Single autofocus
Autofocus tracking
Autofocus selectice
Autofocus center weighted
Autofocus multi area
Live view autofocus
Face detect autofocus
Contract detect autofocus
Phase detect autofocus
Number of focus points 11 27
Lens
Lens mount Micro Four Thirds Pentax 645AF2
Number of lenses 107 6
Crop factor 2.1 0.8
Screen
Display type Fixed Type Tilting
Display diagonal 3" 3.2"
Resolution of display 230 thousand dots 1,037 thousand dots
Selfie friendly
Liveview
Touch capability
Display technology HyperCrystal LCD with AR(Anti-Reflective) coating -
Viewfinder Information
Viewfinder Electronic (optional) Optical (pentaprism)
Viewfinder coverage - 98%
Viewfinder magnification - 0.85x
Features
Lowest shutter speed 60 seconds 30 seconds
Highest shutter speed 1/4000 seconds 1/4000 seconds
Continuous shooting rate 3.0fps 3.0fps
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Change white balance
Image stabilization
Integrated 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) Flash On, Flash On+Red-eye Reduction, Slow-speed Sync, Slow-speed Sync+Red-eye, P-TTL, Trailing Curtain Sync, contrast-control-sync, high-speed sync, wireless sync
Hot shoe
AE bracketing
WB bracketing
Highest flash synchronize 1/180 seconds 1/125 seconds
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Video resolutions 1280 x 720 (30 fps), 640 x 480 (30 fps) 1920 x 1080 (60i, 50i, 30p, 25p, 24p), 1280 x 720 (60p, 50p, 30p, 25p,24p)
Highest video resolution 1280x720 1920x1080
Video format Motion JPEG MPEG-4, H.264
Mic port
Headphone port
Connectivity
Wireless None None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 3.0 (5 GBit/sec)
GPS None Optional
Physical
Environment sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 355 grams (0.78 lb) 1550 grams (3.42 lb)
Physical dimensions 121 x 70 x 36mm (4.8" x 2.8" x 1.4") 156 x 117 x 123mm (6.1" x 4.6" x 4.8")
DXO scores
DXO All around score 56 101
DXO Color Depth score 21.5 26.0
DXO Dynamic range score 10.4 14.7
DXO Low light score 505 4505
Other
Battery life 300 pictures 650 pictures
Battery type Battery Pack Battery Pack
Battery model BLS-1 D-LI90
Self timer Yes (2 or 12 sec) Yes (2 or 10 secs)
Time lapse feature
Type of storage SD/SDHC card Dual SD/SDHC/SDXC slots
Card slots One Dual
Pricing at launch $799 $5,024