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Olympus E-M10 II vs Pentax K-3

Portability
82
Imaging
54
Features
77
Overall
63
Olympus OM-D E-M10 II front
 
Pentax K-3 front
Portability
59
Imaging
65
Features
85
Overall
73

Olympus E-M10 II vs Pentax K-3 Key Specs

Olympus E-M10 II
(Full Review)
  • 16MP - Four Thirds Sensor
  • 3" Tilting Screen
  • ISO 200 - 25600
  • Sensor based 5-axis Image Stabilization
  • 1920 x 1080 video
  • Micro Four Thirds Mount
  • 390g - 120 x 83 x 47mm
  • Revealed August 2015
  • Replaced the Olympus E-M10
  • Newer Model is Olympus E-M10 III
Pentax K-3
(Full Review)
  • 24MP - APS-C Sensor
  • 3.2" Fixed Screen
  • 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
  • Announced April 2014
  • Refreshed by Pentax K-3 II
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Olympus E-M10 II vs Pentax K-3 Overview

Let's examine more in depth at the Olympus E-M10 II and Pentax K-3, former is a Entry-Level Mirrorless while the latter is a Advanced DSLR by rivals Olympus and Pentax. There exists a large gap among the image resolutions of the E-M10 II (16MP) and K-3 (24MP) and the E-M10 II (Four Thirds) and K-3 (APS-C) use totally different sensor measurements.

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The E-M10 II was revealed 17 months after the K-3 which makes the cameras a generation away from one another. Both cameras offer different body type with the Olympus E-M10 II being a SLR-style mirrorless camera and the Pentax K-3 being a Mid-size SLR camera.

Before delving straight into a step-by-step comparison, below is a brief highlight of how the E-M10 II scores versus the K-3 in terms of portability, imaging, features and an overall score.

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

 E-M10 II K-3 
AnnouncedAugust 2015April 2014More modern by 17 months
Screen typeTiltingFixed Tilting screen
Screen resolution1040k1037kCrisper screen (+3k dot)
Touch screen Quickly navigate

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

 K-3 E-M10 II 
Screen sizing3.2"3"Bigger screen (+0.2")

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

 E-M10 II K-3 
Manual focus More exact focus
Selfie screen Neither contains selfie screen

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

For anyone who is intending to carry around your camera regularly, you will want to factor its weight and volume. The Olympus E-M10 II has got physical measurements of 120mm x 83mm x 47mm (4.7" x 3.3" x 1.9") having a weight of 390 grams (0.86 lbs) and the Pentax K-3 has sizing of 131mm x 100mm x 77mm (5.2" x 3.9" x 3.0") accompanied by a weight of 800 grams (1.76 lbs).

See the Olympus E-M10 II and Pentax K-3 in our completely new Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into consideration, the weight of an ILC will vary dependant on the lens you are utilising at that time. Here is the front view sizing comparison of the E-M10 II versus the K-3.

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

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

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

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

Normally, its difficult to envision the difference in sensor sizes only by going through specifications. The picture underneath may give you a far better sense of the sensor measurements in the E-M10 II and K-3.

To sum up, the two cameras offer different megapixels and different sensor sizes. The E-M10 II using its smaller sensor will make getting bokeh more challenging and the Pentax K-3 will show greater detail because of its extra 8MP. Higher resolution will let you crop photographs a little more aggressively. The fresher E-M10 II will have an advantage with regard to sensor technology.

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

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

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

Portrait Comparison

Portrait photography with Olympus E-M10 II
Portrait photography with Pentax K-3
72
has manual focus
MP count decent (16 megapixels)
sensor size is decent (Four Thirds)
offers face detection focusing
delivers RAW files
79
you can focus manually
decent MP (24 megapixels)
good sensor size (APS-C)
features face detect focus
exports RAW files
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Street Comparison

Olympus E-M10 II Street photography information
Pentax K-3 Street photography information
83
screen tilts up and down
has image stabilization (Sensor based 5-axis)
sensor size is decent (Four Thirds)
delivers RAW files
provides touch to focus
good high ISO (25,600)
69
has image stabilization (Sensor based)
good sensor size (APS-C)
exports RAW files
environment sealing
good high ISO (51,200)
screen does not articulate
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Sports Comparison

Olympus E-M10 II Sports photography information
Pentax K-3 Sports photography information
67
has image stabilization (Sensor based 5-axis)
MP count decent (16 megapixels)
sensor size is decent (Four Thirds)
offers tracking autofocus
lack of phase detect AF
76
maximum shutter speed is high (1/8,000 seconds)
has image stabilization (Sensor based)
decent MP (24 megapixels)
good sensor size (APS-C)
features tracking focus
environment sealing
comes with phase detect auto focus
terrible battery power (560 shots)
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Travel Comparison

Travel photography with Olympus E-M10 II
Travel photography with Pentax K-3
73
provides touch to focus
MP count decent (16MP)
has built in flash
screen isn't selfie friendly
60
environment sealing
decent MP (24MP)
has built in flash
terrible battery power (560 shots)
doesn't contain selfie friendly screen
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Landscape Comparison

Olympus E-M10 II Landscape photography advice
Pentax K-3 Landscape photography advice
79
has manual focus
swap lenses (Micro Four Thirds mount)
screen size is decent (3")
has image stabilization (Sensor based 5-axis)
MP count decent (16 megapixels)
sensor size is decent (Four Thirds)
good high ISO (25,600)
delivers RAW files
77
you can focus manually
swap lenses (Pentax KAF2 mount)
nice screen size (3.2 inch)
has image stabilization (Sensor based)
decent MP (24MP)
good sensor size (APS-C)
doesnt have anti aliasing filter
good high ISO (51,200)
exports RAW files
environment sealing
has dual storage slots
terrible battery power (560 CIPA)
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Vlogging Comparison

Vlogging with Olympus E-M10 II
Vlogging with Pentax K-3
35
touchscreen
has image stabilization (Sensor based 5-axis)
offers face detection focusing
video res high (1920 x 1080 resolution)
screen isn't selfie friendly
does not have external mic jack
34
has image stabilization (Sensor based)
features face detect focus
video resolution high (1920 x 1080 pxls)
does have microphone jack
doesn't contain selfie friendly screen
Photography Glossary

Olympus E-M10 II vs Pentax K-3 Specifications

Detailed spec comparison table for Olympus E-M10 II and Pentax K-3
 Olympus OM-D E-M10 IIPentax K-3
General Information
Brand Name Olympus Pentax
Model Olympus OM-D E-M10 II Pentax K-3
Class Entry-Level Mirrorless Advanced DSLR
Revealed 2015-08-25 2014-04-10
Body design SLR-style mirrorless Mid-size SLR
Sensor Information
Processor Chip 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 surface area 224.9mm² 366.6mm²
Sensor resolution 16 megapixel 24 megapixel
Anti aliasing filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 3:2
Maximum resolution 4608 x 3456 6016 x 4000
Maximum native ISO 25600 51200
Minimum native ISO 200 100
RAW images
Minimum boosted ISO 100 -
Autofocusing
Focus manually
AF touch
Continuous AF
Single AF
AF tracking
AF selectice
AF center weighted
AF multi area
Live view AF
Face detection AF
Contract detection AF
Phase detection AF
Number of focus points 81 27
Cross focus points - 25
Lens
Lens mounting type Micro Four Thirds Pentax KAF2
Total lenses 107 151
Focal length multiplier 2.1 1.5
Screen
Screen type Tilting Fixed Type
Screen diagonal 3 inches 3.2 inches
Screen resolution 1,040k dot 1,037k dot
Selfie friendly
Liveview
Touch friendly
Screen tech - TFT LCD monitor
Viewfinder Information
Viewfinder Electronic Optical (pentaprism)
Viewfinder resolution 2,360k dot -
Viewfinder coverage 100 percent 100 percent
Viewfinder magnification 0.62x 0.64x
Features
Lowest shutter speed 60s 30s
Highest shutter speed 1/4000s 1/8000s
Continuous shooting speed 8.0 frames per second 8.0 frames per second
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Set WB
Image stabilization
Integrated flash
Flash range 5.80 m (ISO 100) 13.00 m (at ISO 100)
Flash options 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, slow sync, slow sync + red-eye, trailing curtain sync, high speed, wireless, manual
External flash
AEB
White balance bracketing
Highest flash sync - 1/180s
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) 1920 x 1080 (60i, 50i, 30p, 25p, 24p), 1280 x 720 (60p, 50p, 30p, 25p, 24p)
Maximum video resolution 1920x1080 1920x1080
Video format H.264, Motion JPEG MPEG-4, H.264
Microphone input
Headphone input
Connectivity
Wireless Built-In None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 3.0 (5 GBit/sec)
GPS None Optional
Physical
Environmental seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 390 gr (0.86 lb) 800 gr (1.76 lb)
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 23.7
DXO Dynamic range score 12.5 13.4
DXO Low light score 842 1216
Other
Battery life 320 images 560 images
Type 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 feature
Type of storage SD/SDHC/SDXC Dual SD/SDHC/SDXC
Storage slots One 2
Launch pricing $499 $639