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Olympus E-P2 vs Pentax K100D S

Portability
86
Imaging
47
Features
42
Overall
45
Olympus PEN E-P2 front
 
Pentax K100D Super front
Portability
65
Imaging
45
Features
38
Overall
42

Olympus E-P2 vs Pentax K100D S Key Specs

Olympus E-P2
(Full Review)
  • 12MP - Four Thirds Sensor
  • 3" Fixed Screen
  • 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
  • Refreshed by Olympus E-P3
Pentax K100D S
(Full Review)
  • 6MP - APS-C Sensor
  • 2.5" Fixed Display
  • ISO 200 - 3200
  • Sensor based Image Stabilization
  • No Video
  • Pentax KAF2 Mount
  • 646g - 129 x 91 x 71mm
  • Introduced June 2007
  • Replaced the Pentax K100D
  • New Model is Pentax K200D
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Olympus E-P2 vs Pentax K100D S Overview

The following is a complete analysis of the Olympus E-P2 and Pentax K100D S, former is a Entry-Level Mirrorless while the other is a Entry-Level DSLR by rivals Olympus and Pentax. There is a considerable difference among the resolutions of the E-P2 (12MP) and K100D S (6MP) and the E-P2 (Four Thirds) and K100D S (APS-C) feature different sensor measurements.

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The E-P2 was unveiled 2 years after the K100D S which is a fairly large difference as far as camera tech is concerned. Each of these cameras come with different body type with the Olympus E-P2 being a Rangefinder-style mirrorless camera and the Pentax K100D S being a Compact SLR camera.

Before diving straight into a detailed comparison, below is a brief view of how the E-P2 scores versus the K100D S with regards to portability, imaging, features and an overall mark.

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Reasons to pick Olympus E-P2 over the Pentax K100D S

 E-P2 K100D S 
IntroducedApril 2010June 2007Newer by 35 months
Display dimension3"2.5"Larger display (+0.5")
Display resolution230k210kCrisper display (+20k dot)

Reasons to pick Pentax K100D S over the Olympus E-P2

 K100D S E-P2 

Common features in the Olympus E-P2 and Pentax K100D S

 E-P2 K100D S 
Focus manually Dial precise focus
Display typeFixed Fixed Fixed display
Selfie screen Neither comes with selfie screen
Touch friendly display Neither comes with Touch friendly display

Olympus E-P2 vs Pentax K100D S Physical Comparison

For anybody who is aiming to travel with your camera regularly, you will want to consider its weight and proportions. The Olympus E-P2 comes with physical measurements of 121mm x 70mm x 36mm (4.8" x 2.8" x 1.4") having a weight of 355 grams (0.78 lbs) while the Pentax K100D S has measurements of 129mm x 91mm x 71mm (5.1" x 3.6" x 2.8") with a weight of 646 grams (1.42 lbs).

Look at the Olympus E-P2 and Pentax K100D S in our brand new Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into consideration, the weight of an ILC will differ dependant on the lens you are working with at that time. Here is the front view proportions comparison of the E-P2 and the K100D S.

Olympus E-P2 vs Pentax K100D S size comparison

Considering size and weight, the portability grade of the E-P2 and K100D S is 86 and 65 respectively.

Olympus E-P2 vs Pentax K100D S top view buttons comparison

Olympus E-P2 vs Pentax K100D S Sensor Comparison

In many cases, its hard to imagine the contrast in sensor dimensions simply by looking through a spec sheet. The image here might give you a much better sense of the sensor sizing in the E-P2 and K100D S.

Clearly, both of those cameras have got different megapixels and different sensor dimensions. The E-P2 using its smaller sensor is going to make achieving bokeh more challenging and the Olympus E-P2 will render greater detail having an extra 6MP. Greater resolution will let you crop pics much more aggressively. The younger E-P2 should have an advantage when it comes to sensor tech.

Olympus E-P2 vs Pentax K100D S sensor size comparison

Olympus E-P2 vs Pentax K100D S Screen and ViewFinder

Olympus E-P2 vs Pentax K100D S Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Portrait photography with Olympus E-P2
Portrait photography with Pentax K100D S
60
manual focus
decent sensor size (Four Thirds)
offers face detection autofocus
supports RAW formats
MP count low (12MP)
51
manual focus
sensor size is decent (APS-C)
saves RAW formats
no liveview
sensor resolution low (6 megapixels)
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Street Comparison

Olympus E-P2 Street photography details
Pentax K100D S Street photography details
74
has image stabilization (Sensor based)
decent sensor size (Four Thirds)
supports RAW formats
no moving screen
64
has image stabilization (Sensor based)
sensor size is decent (APS-C)
saves RAW formats
screen is fixed
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Sports Comparison

Olympus E-P2 Sports photography highlights
Pentax K100D S Sports photography highlights
40
has image stabilization (Sensor based)
decent sensor size (Four Thirds)
slow fps (3.0 frames/s)
MP count low (12MP)
terrible battery pack (300 per charge)
no phase detect autofocus
47
has image stabilization (Sensor based)
sensor size is decent (APS-C)
sensor has phase detect AF
no liveview
continuous shooting slow (3.0 frames/s)
sensor resolution low (6 megapixels)
Photography Glossary

Travel Comparison

Olympus E-P2 Travel photography advice
Pentax K100D S Travel photography advice
43
doesn't have Timelapse recording
terrible battery pack (300 CIPA)
MP count low (12MP)
display is not selfie friendly
45
has built in flash
lack of Timelapse function
sensor resolution low (6MP)
doesn't offer selfie friendly screen
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Landscape Comparison

Olympus E-P2 as a Landscape photography camera
Pentax K100D S as a Landscape photography camera
60
manual focus
switch lenses (Micro Four Thirds mount)
screen size is good (3")
has image stabilization (Sensor based)
decent sensor size (Four Thirds)
supports RAW formats
MP count low (12MP)
terrible battery pack (300 shots)
doesn't have Timelapse recording
52
manual focus
change lenses (Pentax KAF2 mount)
has image stabilization (Sensor based)
sensor size is decent (APS-C)
saves RAW formats
small screen (2.5")
no liveview
sensor resolution low (6MP)
lack of Timelapse function
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Vlogging Comparison

Olympus E-P2 Vlogging factors
Pentax K100D S Vlogging factors
29
has image stabilization (Sensor based)
offers face detection autofocus
display is not selfie friendly
video resolution low (1280 x 720 pixels)
doesn't have external microphone port
9
no video recording
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Olympus E-P2 vs Pentax K100D S Specifications

Detailed spec comparison table for Olympus E-P2 and Pentax K100D S
 Olympus PEN E-P2Pentax K100D Super
General Information
Brand Name Olympus Pentax
Model type Olympus PEN E-P2 Pentax K100D Super
Class Entry-Level Mirrorless Entry-Level DSLR
Announced 2010-04-22 2007-06-28
Physical type Rangefinder-style mirrorless Compact SLR
Sensor Information
Processor TruePic V -
Sensor type CMOS CCD
Sensor size Four Thirds APS-C
Sensor measurements 17.3 x 13mm 23.5 x 15.7mm
Sensor surface area 224.9mm² 369.0mm²
Sensor resolution 12MP 6MP
Anti alias filter
Aspect ratio 4:3 3:2
Maximum resolution 4032 x 3024 3008 x 2008
Maximum native ISO 6400 3200
Min native ISO 100 200
RAW support
Autofocusing
Focus manually
Touch focus
Continuous AF
Single AF
Tracking AF
AF selectice
AF center weighted
AF multi area
Live view AF
Face detection AF
Contract detection AF
Phase detection AF
Total focus points 11 11
Lens
Lens mount type Micro Four Thirds Pentax KAF2
Available lenses 107 151
Crop factor 2.1 1.5
Screen
Type of screen Fixed Type Fixed Type
Screen diagonal 3" 2.5"
Screen resolution 230k dots 210k dots
Selfie friendly
Liveview
Touch screen
Screen tech HyperCrystal LCD with AR(Anti-Reflective) coating -
Viewfinder Information
Viewfinder Electronic (optional) Optical (pentamirror)
Viewfinder coverage - 96 percent
Viewfinder magnification - 0.57x
Features
Slowest shutter speed 60 secs 30 secs
Maximum shutter speed 1/4000 secs 1/4000 secs
Continuous shooting rate 3.0 frames per sec 3.0 frames per sec
Shutter priority
Aperture priority
Manual mode
Exposure compensation Yes Yes
Change WB
Image stabilization
Inbuilt flash
Flash distance no built-in flash -
Flash modes Auto, On, Off, Red-Eye, Fill-in, Slow Sync, Manual (3 levels) Auto, On, Off, Red-eye reduction
Hot shoe
AE bracketing
White balance bracketing
Maximum flash synchronize 1/180 secs 1/180 secs
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Video resolutions 1280 x 720 (30 fps), 640 x 480 (30 fps) -
Maximum video resolution 1280x720 None
Video data format Motion JPEG -
Microphone port
Headphone port
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 proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 355 grams (0.78 lbs) 646 grams (1.42 lbs)
Dimensions 121 x 70 x 36mm (4.8" x 2.8" x 1.4") 129 x 91 x 71mm (5.1" x 3.6" x 2.8")
DXO scores
DXO All around rating 56 not tested
DXO Color Depth rating 21.5 not tested
DXO Dynamic range rating 10.4 not tested
DXO Low light rating 505 not tested
Other
Battery life 300 images -
Type of battery Battery Pack -
Battery ID BLS-1 4 x AA
Self timer Yes (2 or 12 sec) Yes (2 or 12 sec)
Time lapse recording
Type of storage SD/SDHC card SD/SDHC card
Card slots Single Single
Price at launch $799 $520