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Olympus E-M5 II vs Pentax K100D

Portability
80
Imaging
53
Features
84
Overall
65
Olympus OM-D E-M5 II front
 
Pentax K100D front
Portability
64
Imaging
45
Features
36
Overall
41

Olympus E-M5 II vs Pentax K100D Key Specs

Olympus E-M5 II
(Full Review)
  • 16MP - Four Thirds Sensor
  • 3" Fully Articulated Display
  • ISO 200 - 25600
  • Sensor based 5-axis Image Stabilization
  • 1/8000s Maximum Shutter
  • 1920 x 1080 video
  • Micro Four Thirds Mount
  • 469g - 124 x 85 x 45mm
  • Introduced February 2015
  • Replaced the Olympus E-M5
  • New Model is Olympus E-M5 III
Pentax K100D
(Full Review)
  • 6MP - APS-C Sensor
  • 2.5" Fixed Screen
  • ISO 200 - 3200
  • Sensor based Image Stabilization
  • No Video
  • Pentax KAF Mount
  • 660g - 129 x 93 x 70mm
  • Announced December 2006
  • Renewed by Pentax K100D S
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Olympus E-M5 II vs Pentax K100D Overview

Below, we will be reviewing the Olympus E-M5 II versus Pentax K100D, former being a Advanced Mirrorless while the latter is a Entry-Level DSLR by competitors Olympus and Pentax. There is a noticeable difference among the resolutions of the E-M5 II (16MP) and K100D (6MP) and the E-M5 II (Four Thirds) and K100D (APS-C) come with different sensor size.

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The E-M5 II was manufactured 8 years later than the K100D and that is a fairly sizable difference as far as camera tech is concerned. Both of the cameras come with different body type with the Olympus E-M5 II being a SLR-style mirrorless camera and the Pentax K100D being a Compact SLR camera.

Before getting straight into a detailed comparison, below is a quick introduction of how the E-M5 II scores against the K100D with regards to portability, imaging, features and an overall rating.

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Reasons to pick Olympus E-M5 II over the Pentax K100D

 E-M5 II K100D 
AnnouncedFebruary 2015December 2006Fresher by 100 months
Screen typeFully ArticulatedFixed Fully Articulating screen
Screen dimension3"2.5"Bigger screen (+0.5")
Screen resolution1037k210kSharper screen (+827k dot)
Selfie screen Easy selfies
Touch screen Quickly navigate

Reasons to pick Pentax K100D over the Olympus E-M5 II

 K100D E-M5 II 

Common features in the Olympus E-M5 II and Pentax K100D

 E-M5 II K100D 
Focus manually Dial exact focusing

Olympus E-M5 II vs Pentax K100D Physical Comparison

For anybody who is planning to carry your camera, you will want to consider its weight and dimensions. The Olympus E-M5 II has got external dimensions of 124mm x 85mm x 45mm (4.9" x 3.3" x 1.8") along with a weight of 469 grams (1.03 lbs) and the Pentax K100D has dimensions of 129mm x 93mm x 70mm (5.1" x 3.7" x 2.8") along with a weight of 660 grams (1.46 lbs).

Analyze the Olympus E-M5 II versus Pentax K100D in our completely new Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into account, the weight of an ILC will change depending on the lens you have attached at that time. Here is the front view size comparison of the E-M5 II against the K100D.

Olympus E-M5 II vs Pentax K100D size comparison

Using size and weight, the portability rating of the E-M5 II and K100D is 80 and 64 respectively.

Olympus E-M5 II vs Pentax K100D top view buttons comparison

Olympus E-M5 II vs Pentax K100D Sensor Comparison

Generally, it is tough to picture the difference in sensor sizing merely by viewing specifications. The photograph underneath will offer you a better sense of the sensor sizes in the E-M5 II and K100D.

To sum up, both the cameras have got different resolutions and different sensor sizing. The E-M5 II due to its smaller sensor is going to make shooting shallower depth of field more challenging and the Olympus E-M5 II will provide you with more detail due to its extra 10 Megapixels. Higher resolution can also enable you to crop pictures much more aggressively. The younger E-M5 II provides a benefit when it comes to sensor technology.

Olympus E-M5 II vs Pentax K100D sensor size comparison

Olympus E-M5 II vs Pentax K100D Screen and ViewFinder

Olympus E-M5 II vs Pentax K100D Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Olympus E-M5 II Portrait photography details
Pentax K100D Portrait photography details
71
focusing manually
good megapixels (16 megapixels)
sensor size is nice (Four Thirds)
features face detection focus
supports RAW files
51
focusing manually
nice sensor size (APS-C)
saves RAW files
doesn't have liveview
MP count low (6 megapixels)
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Street Comparison

Olympus E-M5 II as a Street photography camera
Pentax K100D as a Street photography camera
82
screen can move to multiple angles
has image stabilization (Sensor based 5-axis)
sensor size is nice (Four Thirds)
supports RAW files
provides focus by touch
weather sealing
good ISO range (25,600)
58
image stabilization (Sensor based)
nice sensor size (APS-C)
saves RAW files
no moving screen
heavier than competition (660g)
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Sports Comparison

Olympus E-M5 II Sports photography advice
Pentax K100D Sports photography advice
65
max shutter speed is good (1/8,000s)
quiet mode (1/16,000s)
has image stabilization (Sensor based 5-axis)
good megapixels (16MP)
sensor size is nice (Four Thirds)
features tracking autofocus
weather sealing
low battery pack (310 CIPA)
doesn't have phase detect auto focus
47
image stabilization (Sensor based)
nice sensor size (APS-C)
has phase detect autofocus
doesn't have liveview
low fps (3.0 frames/s)
MP count low (6MP)
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Travel Comparison

Olympus E-M5 II Travel photography advice
Pentax K100D Travel photography advice
74
weather sealing
provides focus by touch
good megapixels (16 megapixels)
selfie friendly screen
low battery pack (310 shots)
42
built-in flash
lack of Time Lapse mode
heavier than competition (660g)
MP count low (6 megapixels)
doesn't have selfie friendly display
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Landscape Comparison

Landscape photography with Olympus E-M5 II
Landscape photography with Pentax K100D
74
focusing manually
interchangeable lenses (Micro Four Thirds mount)
nice screen size (3 inch)
has image stabilization (Sensor based 5-axis)
good megapixels (16 megapixels)
sensor size is nice (Four Thirds)
good ISO range (25,600)
supports RAW files
weather sealing
low battery pack (310 CIPA)
52
focusing manually
switch lenses (Pentax KAF mount)
image stabilization (Sensor based)
nice sensor size (APS-C)
saves RAW files
tiny screen (2.5 inches)
doesn't have liveview
MP count low (6 megapixels)
lack of Time Lapse mode
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Vlogging Comparison

Olympus E-M5 II Vlogging advice
Pentax K100D Vlogging advice
82
selfie friendly screen
touchscreen enabled
has image stabilization (Sensor based 5-axis)
features face detection focus
high video quality (1920 x 1080 resolution)
does have external mic jack
9
lack of video recording
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Olympus E-M5 II vs Pentax K100D Specifications

Detailed spec comparison table for Olympus E-M5 II and Pentax K100D
 Olympus OM-D E-M5 IIPentax K100D
General Information
Company Olympus Pentax
Model Olympus OM-D E-M5 II Pentax K100D
Category Advanced Mirrorless Entry-Level DSLR
Introduced 2015-02-06 2006-12-03
Body design SLR-style mirrorless Compact SLR
Sensor Information
Chip TruePic VII -
Sensor type MOS CCD
Sensor size Four Thirds APS-C
Sensor dimensions 17.3 x 13mm 23.5 x 15.7mm
Sensor surface area 224.9mm² 369.0mm²
Sensor resolution 16 megapixels 6 megapixels
Anti aliasing filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 3:2
Full resolution 4608 x 3456 3008 x 2008
Max native ISO 25600 3200
Lowest native ISO 200 200
RAW support
Lowest boosted ISO 100 -
Autofocusing
Focus manually
AF touch
AF continuous
AF single
AF tracking
AF selectice
AF center weighted
Multi area AF
Live view AF
Face detect AF
Contract detect AF
Phase detect AF
Number of focus points 81 11
Lens
Lens mount Micro Four Thirds Pentax KAF
Amount of lenses 107 151
Focal length multiplier 2.1 1.5
Screen
Range of display Fully Articulated Fixed Type
Display diagonal 3 inches 2.5 inches
Resolution of display 1,037k dot 210k dot
Selfie friendly
Liveview
Touch functionality
Viewfinder Information
Viewfinder Electronic Optical (pentamirror)
Viewfinder resolution 2,360k dot -
Viewfinder coverage 100 percent 96 percent
Viewfinder magnification 0.74x 0.57x
Features
Slowest shutter speed 60s 30s
Maximum shutter speed 1/8000s 1/4000s
Maximum quiet shutter speed 1/16000s -
Continuous shooting speed 10.0fps 3.0fps
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Set WB
Image stabilization
Inbuilt flash
Flash range no built-in flash -
Flash modes Auto, redeye, fill, off, redeye slow sync, slow sync, 2nd-curtain slow sync, manual Auto, On, Off, Red-eye reduction
Hot shoe
AEB
WB bracketing
Maximum flash sync 1/250s 1/180s
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Supported video resolutions 1920 x 1080 (60p, 50p, 30p, 25p, 24p), 1280 x 720 (60p, 50p, 30p, 25p, 24p), 640 x 480 (30p) -
Max video resolution 1920x1080 None
Video data format MPEG-4, H.264, Motion JPEG -
Mic jack
Headphone jack
Connectivity
Wireless Built-In None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environmental seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 469 gr (1.03 lbs) 660 gr (1.46 lbs)
Dimensions 124 x 85 x 45mm (4.9" x 3.3" x 1.8") 129 x 93 x 70mm (5.1" x 3.7" x 2.8")
DXO scores
DXO All around score 73 not tested
DXO Color Depth score 23.0 not tested
DXO Dynamic range score 12.4 not tested
DXO Low light score 896 not tested
Other
Battery life 310 photos -
Battery form Battery Pack -
Battery model BLN-1 4 x AA
Self timer Yes (2 or 10 secs, custom) Yes (2 or 12 sec)
Time lapse feature
Storage media SD/SDHC/SDXC SD/MMC card
Storage slots One One
Retail cost $699 $0