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Olympus E-M10 II vs Pentax K-3 II

Portability
82
Imaging
54
Features
77
Overall
63
Olympus OM-D E-M10 II front
 
Pentax K-3 II front
Portability
59
Imaging
66
Features
84
Overall
73

Olympus E-M10 II vs Pentax K-3 II 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
  • Old Model is Olympus E-M10
  • Later Model is Olympus E-M10 III
Pentax K-3 II
(Full Review)
  • 24MP - APS-C Sensor
  • 3.2" Fixed Display
  • ISO 100 - 51200
  • Sensor based Image Stabilization
  • No Anti-Alias Filter
  • 1/8000s Maximum Shutter
  • 1920 x 1080 video
  • Pentax KAF2 Mount
  • 800g - 131 x 100 x 77mm
  • Launched April 2015
  • Older Model is Pentax K-3
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Olympus E-M10 II vs Pentax K-3 II Overview

Here is a in depth overview of the Olympus E-M10 II vs Pentax K-3 II, former being a Entry-Level Mirrorless while the other is a Advanced DSLR by brands Olympus and Pentax. There exists a sizable gap among the resolutions of the E-M10 II (16MP) and K-3 II (24MP) and the E-M10 II (Four Thirds) and K-3 II (APS-C) possess totally different sensor dimensions.

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The E-M10 II was launched 5 months later than the K-3 II which means that they are both of a similar age. Each of these cameras come with different body type with the Olympus E-M10 II being a SLR-style mirrorless camera and the Pentax K-3 II being a Mid-size SLR camera.

Before diving straight into a step-by-step comparison, below is a quick synopsis of how the E-M10 II matches up against the K-3 II with regard to portability, imaging, features and an overall rating.

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Reasons to pick Olympus E-M10 II over the Pentax K-3 II

 E-M10 II K-3 II 
Display typeTiltingFixed Tilting display
Display resolution1040k1037kSharper display (+3k dot)
Touch friendly display Easily navigate

Reasons to pick Pentax K-3 II over the Olympus E-M10 II

 K-3 II E-M10 II 
Display dimension3.2"3"Larger display (+0.2")

Common features in the Olympus E-M10 II and Pentax K-3 II

 E-M10 II K-3 II 
LaunchedAugust 2015April 2015Same age
Manual focus Dial accurate focusing
Selfie screen Neither contains selfie screen

Olympus E-M10 II vs Pentax K-3 II Physical Comparison

If you're intending to carry your camera, you will want to factor in its weight and size. The Olympus E-M10 II has got exterior measurements of 120mm x 83mm x 47mm (4.7" x 3.3" x 1.9") accompanied by a weight of 390 grams (0.86 lbs) whilst the Pentax K-3 II has specifications of 131mm x 100mm x 77mm (5.2" x 3.9" x 3.0") along with a weight of 800 grams (1.76 lbs).

Check the Olympus E-M10 II vs Pentax K-3 II in our completely new Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Do not forget, the weight of an ILC will vary depending on the lens you are utilising at that moment. Here is the front view overall size comparison of the E-M10 II compared to the K-3 II.

Olympus E-M10 II vs Pentax K-3 II size comparison

Considering dimensions and weight, the portability grade of the E-M10 II and K-3 II is 82 and 59 respectively.

Olympus E-M10 II vs Pentax K-3 II top view buttons comparison

Olympus E-M10 II vs Pentax K-3 II Sensor Comparison

Sometimes, it's hard to see the difference in sensor sizing simply by going through a spec sheet. The photograph below will help offer you a greater sense of the sensor sizing in the E-M10 II and K-3 II.

As you can see, the two cameras posses different megapixel count and different sensor sizing. The E-M10 II due to its smaller sensor will make getting shallow DOF more difficult and the Pentax K-3 II will provide greater detail utilizing its extra 8MP. Greater resolution can also let you crop pics somewhat more aggressively.

Olympus E-M10 II vs Pentax K-3 II sensor size comparison

Olympus E-M10 II vs Pentax K-3 II Screen and ViewFinder

Olympus E-M10 II vs Pentax K-3 II Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Olympus E-M10 II Portrait photography information
Pentax K-3 II Portrait photography information
72
you can focus manually
good megapixels (16MP)
nice sensor size (Four Thirds)
has face detect autofocus
delivers RAW formats
79
manual focus
megapixel count good (24 megapixels)
sensor size is nice (APS-C)
provides face detection focus
exports RAW files
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Street Comparison

Olympus E-M10 II Street photography factors
Pentax K-3 II Street photography factors
83
screen tilts up and down
built in image stabilization (Sensor based 5-axis)
nice sensor size (Four Thirds)
delivers RAW formats
provides touch to focus
great ISO range (25,600)
69
has image stabilization (Sensor based)
sensor size is nice (APS-C)
exports RAW files
weather proofing
great ISO range (51,200)
no articulating screen
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Sports Comparison

Olympus E-M10 II Sports photography advice
Pentax K-3 II Sports photography advice
67
built in image stabilization (Sensor based 5-axis)
good megapixels (16MP)
nice sensor size (Four Thirds)
has tracking focus
lack of phase detect autofocus
76
max shutter speed is good (1/8,000s)
has image stabilization (Sensor based)
megapixel count good (24MP)
sensor size is nice (APS-C)
provides tracking autofocus
weather proofing
comes with phase detect auto focus
low battery power (720 shots)
Photography Glossary

Travel Comparison

Olympus E-M10 II Travel photography features
Pentax K-3 II Travel photography features
73
provides touch to focus
good megapixels (16MP)
built-in flash
does not have a selfie friendly display
56
weather proofing
megapixel count good (24MP)
low battery power (720 CIPA)
display isn't selfie friendly
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Landscape Comparison

Olympus E-M10 II Landscape photography information
Pentax K-3 II Landscape photography information
79
you can focus manually
switch lenses (Micro Four Thirds mount)
pretty good screen size (3 inches)
built in image stabilization (Sensor based 5-axis)
good megapixels (16MP)
nice sensor size (Four Thirds)
great ISO range (25,600)
delivers RAW formats
78
manual focus
switch lenses (Pentax KAF2 mount)
pretty good screen size (3.2 inches)
has image stabilization (Sensor based)
megapixel count good (24 megapixels)
sensor size is nice (APS-C)
doesnt have anti-alias filter
great ISO range (51,200)
exports RAW files
weather proofing
2 card slots
low battery power (720 shots)
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Vlogging Comparison

Olympus E-M10 II Vlogging features
Pentax K-3 II Vlogging features
35
has touchscreen
built in image stabilization (Sensor based 5-axis)
has face detect autofocus
good video quality (1920 x 1080 pixels)
does not have a selfie friendly display
doesn't have mic support
34
has image stabilization (Sensor based)
provides face detection focus
great video quality (1920 x 1080 resolution)
does have external microphone support
display isn't selfie friendly
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Olympus E-M10 II vs Pentax K-3 II Specifications

Detailed spec comparison table for Olympus E-M10 II and Pentax K-3 II
 Olympus OM-D E-M10 IIPentax K-3 II
General Information
Make Olympus Pentax
Model Olympus OM-D E-M10 II Pentax K-3 II
Category Entry-Level Mirrorless Advanced DSLR
Introduced 2015-08-25 2015-04-23
Physical type SLR-style mirrorless Mid-size SLR
Sensor Information
Powered by TruePic VII Prime III
Sensor type CMOS CMOS
Sensor size Four Thirds APS-C
Sensor measurements 17.3 x 13mm 23.5 x 15.6mm
Sensor area 224.9mm² 366.6mm²
Sensor resolution 16MP 24MP
Anti aliasing filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 3:2
Full resolution 4608 x 3456 6016 x 4000
Max native ISO 25600 51200
Min native ISO 200 100
RAW pictures
Min boosted ISO 100 -
Autofocusing
Manual focus
Touch focus
Autofocus continuous
Autofocus single
Autofocus tracking
Selective autofocus
Center weighted autofocus
Multi area autofocus
Autofocus live view
Face detect focus
Contract detect focus
Phase detect focus
Number of focus points 81 27
Cross focus points - 25
Lens
Lens mounting type Micro Four Thirds Pentax KAF2
Number of lenses 107 151
Crop factor 2.1 1.5
Screen
Type of display Tilting Fixed Type
Display sizing 3" 3.2"
Resolution of display 1,040 thousand dots 1,037 thousand dots
Selfie friendly
Liveview
Touch operation
Viewfinder Information
Viewfinder Electronic Optical (pentaprism)
Viewfinder resolution 2,360 thousand dots -
Viewfinder coverage 100% 100%
Viewfinder magnification 0.62x 0.64x
Features
Lowest shutter speed 60 seconds 30 seconds
Highest shutter speed 1/4000 seconds 1/8000 seconds
Continuous shooting rate 8.0 frames/s 8.3 frames/s
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Change white balance
Image stabilization
Inbuilt flash
Flash range 5.80 m (ISO 100) no built-in flash
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 Flash Discharge, Auto Flash + Red-eye Reduction, 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 (available with dedicated external flash)
External flash
AEB
WB bracketing
Highest flash synchronize - 1/180 seconds
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Supported video resolutions 1920 x 1080 (60p/30p/24p), 1280 x 720 (60p/30p/24p), 640 x 480 (30 fps) 1920 x 1080 (60i, 50i, 30p, 25p, 24p), 1280 x 720 (60p, 50p, 30p, 25p, 24p)
Max video resolution 1920x1080 1920x1080
Video file format H.264, Motion JPEG MPEG-4, H.264
Microphone support
Headphone support
Connectivity
Wireless Built-In Optional
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 3.0 (5 GBit/sec)
GPS None BuiltIn
Physical
Environment sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 390 gr (0.86 lbs) 800 gr (1.76 lbs)
Dimensions 120 x 83 x 47mm (4.7" x 3.3" x 1.9") 131 x 100 x 77mm (5.2" x 3.9" x 3.0")
DXO scores
DXO All around score 73 80
DXO Color Depth score 23.1 23.6
DXO Dynamic range score 12.5 13.6
DXO Low light score 842 1106
Other
Battery life 320 images 720 images
Form of battery Battery Pack Battery Pack
Battery model BLS-50 D-LI90
Self timer Yes (12 sec., 2 sec, custom) Yes ( 2 or 12 seconds)
Time lapse shooting
Storage type SD/SDHC/SDXC Dual SD/SDHC/SDXC
Card slots Single 2
Retail pricing $499 $829