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Olympus E-M10 II vs Pentax K100D S

Portability
82
Imaging
54
Features
77
Overall
63
Olympus OM-D E-M10 II front
 
Pentax K100D Super front
Portability
65
Imaging
45
Features
38
Overall
42

Olympus E-M10 II vs Pentax K100D S 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
  • Released August 2015
  • Previous Model is Olympus E-M10
  • Updated by Olympus E-M10 III
Pentax K100D S
(Full Review)
  • 6MP - APS-C Sensor
  • 2.5" Fixed Screen
  • ISO 200 - 3200
  • Sensor based Image Stabilization
  • No Video
  • Pentax KAF2 Mount
  • 646g - 129 x 91 x 71mm
  • Revealed June 2007
  • Succeeded the Pentax K100D
  • Updated by Pentax K200D
Photography Glossary

Olympus E-M10 II vs Pentax K100D S Overview

Below, we will be reviewing the Olympus E-M10 II and Pentax K100D S, former is a Entry-Level Mirrorless while the latter is a Entry-Level DSLR by companies Olympus and Pentax. There is a substantial difference among the image resolutions of the E-M10 II (16MP) and K100D S (6MP) and the E-M10 II (Four Thirds) and K100D S (APS-C) possess totally different sensor measurements.

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The E-M10 II was unveiled 8 years after the K100D S which is a fairly big difference as far as camera tech is concerned. Each of the cameras come with different body type with the Olympus E-M10 II being a SLR-style mirrorless camera and the Pentax K100D S being a Compact SLR camera.

Before getting through a step-by-step comparison, below is a concise overview of how the E-M10 II scores versus the K100D S in the way of portability, imaging, features and an overall score.

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

 E-M10 II K100D S 
RevealedAugust 2015June 2007More modern by 100 months
Screen typeTiltingFixed Tilting screen
Screen dimension3"2.5"Bigger screen (+0.5")
Screen resolution1040k210kClearer screen (+830k dot)
Touch screen Quickly navigate

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

 K100D S E-M10 II 

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

 E-M10 II K100D S 
Focus manually More accurate focus
Selfie screen Lacking selfie screen

Olympus E-M10 II vs Pentax K100D S Physical Comparison

For anyone who is aiming to carry around your camera regularly, you need to factor its weight and measurements. The Olympus E-M10 II enjoys physical measurements of 120mm x 83mm x 47mm (4.7" x 3.3" x 1.9") with a weight of 390 grams (0.86 lbs) whilst the Pentax K100D S has proportions of 129mm x 91mm x 71mm (5.1" x 3.6" x 2.8") accompanied by a weight of 646 grams (1.42 lbs).

Take a look at the Olympus E-M10 II and Pentax K100D S in our newest Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Bear in mind, the weight of an ILC will vary dependant on the lens you have attached at that moment. Underneath is the front view proportions comparison of the E-M10 II vs the K100D S.

Olympus E-M10 II vs Pentax K100D S size comparison

Taking into consideration size and weight, the portability grade of the E-M10 II and K100D S is 82 and 65 respectively.

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

Olympus E-M10 II vs Pentax K100D S Sensor Comparison

Generally, its tough to see the gap in sensor sizes just by researching specifications. The image here should offer you a better sense of the sensor sizing in the E-M10 II and K100D S.

To sum up, both the cameras have got different resolutions and different sensor sizes. The E-M10 II having a smaller sensor will make getting shallow DOF harder and the Olympus E-M10 II will provide you with extra detail having an extra 10 Megapixels. Higher resolution will also allow you to crop shots much more aggressively. The more modern E-M10 II will have an edge when it comes to sensor innovation.

Olympus E-M10 II vs Pentax K100D S sensor size comparison

Olympus E-M10 II vs Pentax K100D S Screen and ViewFinder

Olympus E-M10 II vs Pentax K100D S 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 S
72
focusing manually
MP count good (16 megapixels)
sensor size is nice (Four Thirds)
provides face detection focusing
exports RAW files
51
manual focus
sensor size is nice (APS-C)
delivers RAW files
doesn't have liveview
megapixel count low (6 megapixels)
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Street Comparison

Olympus E-M10 II Street photography info
Pentax K100D S Street photography info
83
has a tilting screen
built in image stabilization (Sensor based 5-axis)
sensor size is nice (Four Thirds)
exports RAW files
provides touch focus
great high ISO (25,600)
64
image stabilization (Sensor based)
sensor size is nice (APS-C)
delivers RAW files
screen does not articulate
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Sports Comparison

Olympus E-M10 II Sports photography information
Pentax K100D S Sports photography information
67
built in image stabilization (Sensor based 5-axis)
MP count good (16MP)
sensor size is nice (Four Thirds)
provides tracking autofocus
lack of phase detect AF
47
image stabilization (Sensor based)
sensor size is nice (APS-C)
comes with phase detect autofocus
doesn't have liveview
low fps (3.0 fps)
megapixel count low (6 megapixels)
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Travel Comparison

Olympus E-M10 II as a Travel photography camera
Pentax K100D S as a Travel photography camera
73
provides touch focus
MP count good (16MP)
built-in flash
display isn't selfie friendly
45
built-in flash
missing Timelapse recording
megapixel count low (6 megapixels)
does not posses selfie friendly display
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Landscape Comparison

Olympus E-M10 II Landscape photography highlights
Pentax K100D S Landscape photography highlights
79
focusing manually
switch lenses (Micro Four Thirds mount)
pretty good screen size (3 inch)
built in image stabilization (Sensor based 5-axis)
MP count good (16 megapixels)
sensor size is nice (Four Thirds)
great high ISO (25,600)
exports RAW files
52
manual focus
interchangeable lenses (Pentax KAF2 mount)
image stabilization (Sensor based)
sensor size is nice (APS-C)
delivers RAW files
small screen (2.5 inch)
doesn't have liveview
megapixel count low (6MP)
missing Timelapse recording
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Vlogging Comparison

Olympus E-M10 II Vlogging highlights
Pentax K100D S Vlogging highlights
35
touchscreen enabled
built in image stabilization (Sensor based 5-axis)
provides face detection focusing
video resolution high (1920 x 1080 pixels)
display isn't selfie friendly
missing external mic support
9
lack of video recording
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Olympus E-M10 II vs Pentax K100D S Specifications

Detailed spec comparison table for Olympus E-M10 II and Pentax K100D S
 Olympus OM-D E-M10 IIPentax K100D Super
General Information
Make Olympus Pentax
Model Olympus OM-D E-M10 II Pentax K100D Super
Class Entry-Level Mirrorless Entry-Level DSLR
Released 2015-08-25 2007-06-28
Physical type SLR-style mirrorless Compact SLR
Sensor Information
Chip TruePic VII -
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 16MP 6MP
Anti aliasing filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 3:2
Max resolution 4608 x 3456 3008 x 2008
Max native ISO 25600 3200
Minimum native ISO 200 200
RAW format
Minimum enhanced ISO 100 -
Autofocusing
Focus manually
AF touch
Continuous AF
AF single
AF tracking
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 KAF2
Amount of lenses 107 151
Focal length multiplier 2.1 1.5
Screen
Display type Tilting Fixed Type
Display sizing 3 inches 2.5 inches
Resolution of display 1,040k dots 210k dots
Selfie friendly
Liveview
Touch operation
Viewfinder Information
Viewfinder type Electronic Optical (pentamirror)
Viewfinder resolution 2,360k dots -
Viewfinder coverage 100 percent 96 percent
Viewfinder magnification 0.62x 0.57x
Features
Minimum shutter speed 60 seconds 30 seconds
Fastest shutter speed 1/4000 seconds 1/4000 seconds
Continuous shutter rate 8.0 frames/s 3.0 frames/s
Shutter priority
Aperture priority
Manual mode
Exposure compensation Yes Yes
Set WB
Image stabilization
Built-in flash
Flash range 5.80 m (ISO 100) -
Flash modes 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
AE bracketing
White balance bracketing
Fastest flash synchronize - 1/180 seconds
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Video resolutions 1920 x 1080 (60p/30p/24p), 1280 x 720 (60p/30p/24p), 640 x 480 (30 fps) -
Max video resolution 1920x1080 None
Video file format H.264, Motion JPEG -
Microphone support
Headphone support
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 sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 390g (0.86 lbs) 646g (1.42 lbs)
Dimensions 120 x 83 x 47mm (4.7" x 3.3" x 1.9") 129 x 91 x 71mm (5.1" x 3.6" 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 pictures -
Battery style Battery Pack -
Battery model BLS-50 4 x AA
Self timer Yes (12 sec., 2 sec, custom) Yes (2 or 12 sec)
Time lapse feature
Type of storage SD/SDHC/SDXC SD/SDHC card
Card slots 1 1
Retail cost $499 $520