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Olympus E-M10 II vs Pentax K100D

Portability
82
Imaging
54
Features
77
Overall
63
Olympus OM-D E-M10 II front
 
Pentax K100D front
Portability
64
Imaging
45
Features
36
Overall
41

Olympus E-M10 II vs Pentax K100D Key Specs

Olympus E-M10 II
(Full Review)
  • 16MP - Four Thirds Sensor
  • 3" Tilting Display
  • ISO 200 - 25600
  • Sensor based 5-axis Image Stabilization
  • 1920 x 1080 video
  • Micro Four Thirds Mount
  • 390g - 120 x 83 x 47mm
  • Introduced August 2015
  • Replaced the Olympus E-M10
  • Replacement is Olympus E-M10 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
  • Launched December 2006
  • Updated by Pentax K100D S
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Olympus E-M10 II vs Pentax K100D Overview

Here is a extended analysis of the Olympus E-M10 II versus Pentax K100D, former being a Entry-Level Mirrorless while the latter is a Entry-Level DSLR by companies Olympus and Pentax. There exists a noticeable gap between the resolutions of the E-M10 II (16MP) and K100D (6MP) and the E-M10 II (Four Thirds) and K100D (APS-C) boast totally different sensor sizing.

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The E-M10 II was unveiled 8 years later than the K100D and that is quite a sizable difference as far as technology is concerned. Both cameras have different body design with the Olympus E-M10 II being a SLR-style mirrorless camera and the Pentax K100D being a Compact SLR camera.

Before getting into a detailed comparison, here is a brief highlight of how the E-M10 II grades against the K100D with respect to portability, imaging, features and an overall rating.

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Reasons to pick Olympus E-M10 II over the Pentax K100D

 E-M10 II K100D 
LaunchedAugust 2015December 2006Fresher by 107 months
Screen typeTiltingFixed Tilting screen
Screen dimensions3"2.5"Bigger screen (+0.5")
Screen resolution1040k210kSharper screen (+830k dot)
Touch friendly screen Quickly navigate

Reasons to pick Pentax K100D over the Olympus E-M10 II

 K100D E-M10 II 

Common features in the Olympus E-M10 II and Pentax K100D

 E-M10 II K100D 
Focus manually Dial precise focus
Selfie screen Missing selfie screen

Olympus E-M10 II vs Pentax K100D Physical Comparison

For anyone who is aiming to carry your camera, you're going to have to consider its weight and proportions. The Olympus E-M10 II enjoys external dimensions of 120mm x 83mm x 47mm (4.7" x 3.3" x 1.9") having a weight of 390 grams (0.86 lbs) whilst the Pentax K100D has measurements of 129mm x 93mm x 70mm (5.1" x 3.7" x 2.8") and a weight of 660 grams (1.46 lbs).

Check the Olympus E-M10 II versus Pentax K100D in our brand new Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Keep in mind, the weight of an ILC will change based on the lens you are using at that time. The following is a front view measurements comparison of the E-M10 II compared to the K100D.

Olympus E-M10 II vs Pentax K100D size comparison

Factoring in dimensions and weight, the portability rating of the E-M10 II and K100D is 82 and 64 respectively.

Olympus E-M10 II vs Pentax K100D top view buttons comparison

Olympus E-M10 II vs Pentax K100D Sensor Comparison

Normally, it's difficult to see the contrast between sensor sizing purely by checking specs. The graphic here will help offer you a clearer sense of the sensor dimensions in the E-M10 II and K100D.

As you can plainly see, each of these cameras have different resolutions and different sensor sizing. The E-M10 II with its tinier sensor will make achieving shallow DOF harder and the Olympus E-M10 II will give you more detail having an extra 10MP. Higher resolution will also make it easier to crop photographs a bit more aggressively. The fresher E-M10 II will have an edge when it comes to sensor tech.

Olympus E-M10 II vs Pentax K100D sensor size comparison

Olympus E-M10 II vs Pentax K100D Screen and ViewFinder

Olympus E-M10 II vs Pentax K100D Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Portrait photography with Olympus E-M10 II
Portrait photography with Pentax K100D
72
you can focus manually
MP count good (16MP)
decent sensor size (Four Thirds)
has face detection focus
saves RAW formats
51
you can focus manually
sensor size is decent (APS-C)
delivers RAW files
does not have liveview
low megapixels (6 megapixels)
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Street Comparison

Olympus E-M10 II Street photography advice
Pentax K100D Street photography advice
83
has a tilting screen
image stabilization (Sensor based 5-axis)
decent sensor size (Four Thirds)
saves RAW formats
has touch focus
very good high ISO (25,600)
58
has image stabilization (Sensor based)
sensor size is decent (APS-C)
delivers RAW files
screen does not articulate
heavier than competition in class (660g)
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Sports Comparison

Olympus E-M10 II Sports photography advice
Pentax K100D Sports photography advice
67
image stabilization (Sensor based 5-axis)
MP count good (16 megapixels)
decent sensor size (Four Thirds)
has tracking autofocus
has no phase detect auto focus
47
has image stabilization (Sensor based)
sensor size is decent (APS-C)
comes with phase detect autofocus
does not have liveview
low fps (3.0 frames/s)
low megapixels (6 megapixels)
Photography Glossary

Travel Comparison

Olympus E-M10 II Travel photography info
Pentax K100D Travel photography info
73
has touch focus
MP count good (16 megapixels)
has built in flash
display is not selfie friendly
42
built-in flash
no Time Lapse mode
heavier than competition in class (660 grams)
low megapixels (6MP)
display isn't selfie friendly
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Landscape Comparison

Olympus E-M10 II Landscape photography details
Pentax K100D Landscape photography details
79
you can focus manually
switch lenses (Micro Four Thirds mount)
nice screen size (3 inch)
image stabilization (Sensor based 5-axis)
MP count good (16 megapixels)
decent sensor size (Four Thirds)
very good high ISO (25,600)
saves RAW formats
52
you can focus manually
switch lenses (Pentax KAF mount)
has image stabilization (Sensor based)
sensor size is decent (APS-C)
delivers RAW files
tiny screen (2.5")
does not have liveview
low megapixels (6MP)
no Time Lapse mode
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Vlogging Comparison

Olympus E-M10 II Vlogging features
Pentax K100D Vlogging features
35
touchscreen enabled
image stabilization (Sensor based 5-axis)
has face detection focus
high quality video (1920 x 1080 pixels)
display is not selfie friendly
doesn't have external mic port
9
no video shooting
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Olympus E-M10 II vs Pentax K100D Specifications

Detailed spec comparison table for Olympus E-M10 II and Pentax K100D
 Olympus OM-D E-M10 IIPentax K100D
General Information
Brand Olympus Pentax
Model Olympus OM-D E-M10 II Pentax K100D
Type Entry-Level Mirrorless Entry-Level DSLR
Introduced 2015-08-25 2006-12-03
Body design SLR-style mirrorless Compact SLR
Sensor Information
Powered by TruePic VII -
Sensor type CMOS 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 megapixel 6 megapixel
Anti aliasing filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 3:2
Highest Possible resolution 4608 x 3456 3008 x 2008
Maximum native ISO 25600 3200
Min native ISO 200 200
RAW images
Min enhanced ISO 100 -
Autofocusing
Focus manually
AF touch
Continuous AF
AF single
Tracking AF
AF selectice
AF center weighted
AF multi area
Live view AF
Face detect focusing
Contract detect focusing
Phase detect focusing
Number of focus points 81 11
Lens
Lens mount Micro Four Thirds Pentax KAF
Number of lenses 107 151
Crop factor 2.1 1.5
Screen
Range of display Tilting Fixed Type
Display diagonal 3 inches 2.5 inches
Resolution of display 1,040k dot 210k dot
Selfie friendly
Liveview
Touch display
Viewfinder Information
Viewfinder type Electronic Optical (pentamirror)
Viewfinder resolution 2,360k dot -
Viewfinder coverage 100 percent 96 percent
Viewfinder magnification 0.62x 0.57x
Features
Minimum shutter speed 60 secs 30 secs
Fastest shutter speed 1/4000 secs 1/4000 secs
Continuous shutter speed 8.0 frames/s 3.0 frames/s
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Set WB
Image stabilization
Built-in flash
Flash range 5.80 m (ISO 100) -
Flash settings Auto, redeye reduction, fill flash, flash off, 1st-curtain slow sync w/redeye, 1st-curtain slow sync, 2nd-curtain slow sync, manual Auto, On, Off, Red-eye reduction
Hot shoe
AEB
White balance bracketing
Fastest flash sync - 1/180 secs
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Supported video resolutions 1920 x 1080 (60p/30p/24p), 1280 x 720 (60p/30p/24p), 640 x 480 (30 fps) -
Maximum video resolution 1920x1080 None
Video format 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
Environment seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 390g (0.86 lb) 660g (1.46 lb)
Physical dimensions 120 x 83 x 47mm (4.7" x 3.3" x 1.9") 129 x 93 x 70mm (5.1" x 3.7" x 2.8")
DXO scores
DXO Overall score 73 not tested
DXO Color Depth score 23.1 not tested
DXO Dynamic range score 12.5 not tested
DXO Low light score 842 not tested
Other
Battery life 320 shots -
Battery form Battery Pack -
Battery model BLS-50 4 x AA
Self timer Yes (12 sec., 2 sec, custom) Yes (2 or 12 sec)
Time lapse shooting
Storage media SD/SDHC/SDXC SD/MMC card
Storage slots 1 1
Price at release $499 $0