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Olympus E-M10 IV vs Pentax K-5 IIs

Portability
81
Imaging
62
Features
83
Overall
70
Olympus OM-D E-M10 IV front
 
Pentax K-5 IIs front
Portability
60
Imaging
58
Features
83
Overall
68

Olympus E-M10 IV vs Pentax K-5 IIs Key Specs

Olympus E-M10 IV
(Full Review)
  • 20MP - Four Thirds Sensor
  • 3" Tilting Display
  • ISO 200 - 25600
  • Sensor based 5-axis Image Stabilization
  • 3840 x 2160 video
  • Micro Four Thirds Mount
  • 383g - 122 x 84 x 49mm
  • Launched August 2020
  • Replaced the Olympus E-M10 III
Pentax K-5 IIs
(Full Review)
  • 16MP - APS-C Sensor
  • 3" Fixed Display
  • ISO 100 - 12800 (Boost to 51200)
  • Sensor based Image Stabilization
  • No Anti-Alias Filter
  • 1/8000s Max Shutter
  • 1920 x 1080 video
  • Pentax KAF2 Mount
  • 760g - 131 x 97 x 73mm
  • Revealed June 2013
  • Succeeded the Pentax K-5
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Olympus E-M10 IV vs Pentax K-5 IIs Overview

On this page, we are analyzing the Olympus E-M10 IV vs Pentax K-5 IIs, one being a Entry-Level Mirrorless and the other is a Advanced DSLR by companies Olympus and Pentax. There exists a crucial gap among the image resolutions of the E-M10 IV (20MP) and K-5 IIs (16MP) and the E-M10 IV (Four Thirds) and K-5 IIs (APS-C) have totally different sensor dimensions.

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The E-M10 IV was brought out 7 years later than the K-5 IIs and that is a fairly serious gap as far as camera technology is concerned. The two cameras have different body design with the Olympus E-M10 IV being a SLR-style mirrorless camera and the Pentax K-5 IIs being a Mid-size SLR camera.

Before getting right into a complete comparison, here is a simple view of how the E-M10 IV matches up against the K-5 IIs with respect to portability, imaging, features and an overall grade.

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Reasons to pick Olympus E-M10 IV over the Pentax K-5 IIs

 E-M10 IV K-5 IIs 
RevealedAugust 2020June 2013More recent by 88 months
Display typeTiltingFixed Tilting display
Display resolution1040k921kSharper display (+119k dot)
Selfie screen Take selfies
Touch friendly display Easily navigate

Reasons to pick Pentax K-5 IIs over the Olympus E-M10 IV

 K-5 IIs E-M10 IV 

Common features in the Olympus E-M10 IV and Pentax K-5 IIs

 E-M10 IV K-5 IIs 
Focus manually More accurate focusing
Display dimensions3"3"Equal display sizing

Olympus E-M10 IV vs Pentax K-5 IIs Physical Comparison

In case you're aiming to lug around your camera regularly, you'll need to take into account its weight and volume. The Olympus E-M10 IV provides physical measurements of 122mm x 84mm x 49mm (4.8" x 3.3" x 1.9") accompanied by a weight of 383 grams (0.84 lbs) and the Pentax K-5 IIs has sizing of 131mm x 97mm x 73mm (5.2" x 3.8" x 2.9") accompanied by a weight of 760 grams (1.68 lbs).

Check the Olympus E-M10 IV vs Pentax K-5 IIs in the all new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into account, the weight of an Interchangeable Lens Camera will differ dependant on the lens you use during that time. Underneath is a front view dimension comparison of the E-M10 IV against the K-5 IIs.

Olympus E-M10 IV vs Pentax K-5 IIs size comparison

Taking into consideration dimensions and weight, the portability grade of the E-M10 IV and K-5 IIs is 81 and 60 respectively.

Olympus E-M10 IV vs Pentax K-5 IIs top view buttons comparison

Olympus E-M10 IV vs Pentax K-5 IIs Sensor Comparison

Sometimes, it is hard to envision the difference in sensor measurements simply by looking through a spec sheet. The graphic underneath will give you a greater sense of the sensor sizing in the E-M10 IV and K-5 IIs.

As you can see, the two cameras have different resolutions and different sensor measurements. The E-M10 IV due to its smaller sensor will make getting shallow depth of field tougher and the Olympus E-M10 IV will provide you with greater detail having its extra 4 Megapixels. Greater resolution will also enable you to crop images a bit more aggressively. The more modern E-M10 IV will have an advantage when it comes to sensor innovation.

Olympus E-M10 IV vs Pentax K-5 IIs sensor size comparison

Olympus E-M10 IV vs Pentax K-5 IIs Screen and ViewFinder

Olympus E-M10 IV vs Pentax K-5 IIs Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Olympus E-M10 IV Portrait photography advice
Pentax K-5 IIs Portrait photography advice
77
manual focus
decent MP (20MP)
sensor size is decent (Four Thirds)
offers face detect focusing
saves RAW files
74
you can focus manually
good megapixels (16MP)
good sensor size (APS-C)
includes face detect focusing
delivers RAW files
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Street Comparison

Olympus E-M10 IV Street photography features
Pentax K-5 IIs Street photography features
84
has a tilting screen
built in image stabilization (Sensor based 5-axis)
sensor size is decent (Four Thirds)
saves RAW files
boasts touch focus
good ISO range (25,600)
67
has image stabilization (Sensor based)
good sensor size (APS-C)
delivers RAW files
weather sealing
screen is fixed
Photography Glossary

Sports Comparison

Olympus E-M10 IV as a Sports photography camera
Pentax K-5 IIs as a Sports photography camera
72
silent mode (1/16,000s)
built in image stabilization (Sensor based 5-axis)
decent MP (20 megapixels)
sensor size is decent (Four Thirds)
offers tracking focus
has no phase detect AF
79
high shutter speed (1/8,000s)
has image stabilization (Sensor based)
good megapixels (16 megapixels)
good sensor size (APS-C)
includes tracking focus
weather sealing
sensor has phase detect AF
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Travel Comparison

Olympus E-M10 IV Travel photography information
Pentax K-5 IIs Travel photography information
84
has bluetooth
boasts touch focus
decent MP (20MP)
flash built-in
display is selfie friendly
65
weather sealing
good megapixels (16MP)
built-in flash
display isn't selfie friendly
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Landscape Comparison

Olympus E-M10 IV Landscape photography factors
Pentax K-5 IIs Landscape photography factors
82
manual focus
change lenses (Micro Four Thirds mount)
screen is a decent size (3")
built in image stabilization (Sensor based 5-axis)
decent MP (20MP)
sensor size is decent (Four Thirds)
good ISO range (25,600)
saves RAW files
79
you can focus manually
interchangeable lenses (Pentax KAF2 mount)
nice screen size (3")
has image stabilization (Sensor based)
good megapixels (16 megapixels)
good sensor size (APS-C)
no anti aliasing filter
delivers RAW files
weather sealing
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Vlogging Comparison

Olympus E-M10 IV as a Vlogging camera
Pentax K-5 IIs as a Vlogging camera
78
display is selfie friendly
has touchscreen
built in image stabilization (Sensor based 5-axis)
offers face detect focusing
video resolution high (3840 x 2160 resolution)
doesn't have microphone jack
33
has image stabilization (Sensor based)
includes face detect focusing
high res video (1920 x 1080 pxls)
includes mic socket
display isn't selfie friendly
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Olympus E-M10 IV vs Pentax K-5 IIs Specifications

Detailed spec comparison table for Olympus E-M10 IV and Pentax K-5 IIs
 Olympus OM-D E-M10 IVPentax K-5 IIs
General Information
Company Olympus Pentax
Model Olympus OM-D E-M10 IV Pentax K-5 IIs
Class Entry-Level Mirrorless Advanced DSLR
Launched 2020-08-04 2013-06-04
Physical type SLR-style mirrorless Mid-size SLR
Sensor Information
Processor TruePic VIII Prime II
Sensor type CMOS CMOS
Sensor size Four Thirds APS-C
Sensor dimensions 17.4 x 13mm 23.7 x 15.7mm
Sensor surface area 226.2mm² 372.1mm²
Sensor resolution 20 megapixel 16 megapixel
Anti aliasing filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 3:2
Max resolution 5184 x 3888 4928 x 3264
Max native ISO 25600 12800
Max enhanced ISO - 51200
Min native ISO 200 100
RAW files
Min enhanced ISO 100 80
Autofocusing
Focus manually
Touch to focus
Autofocus continuous
Single autofocus
Tracking autofocus
Autofocus selectice
Center weighted autofocus
Multi area autofocus
Live view autofocus
Face detect autofocus
Contract detect autofocus
Phase detect autofocus
Number of focus points 121 11
Cross focus points - 9
Lens
Lens mounting type Micro Four Thirds Pentax KAF2
Available lenses 107 151
Crop factor 2.1 1.5
Screen
Display type Tilting Fixed Type
Display diagonal 3 inch 3 inch
Display resolution 1,040 thousand dots 921 thousand dots
Selfie friendly
Liveview
Touch operation
Display technology - TFT LCD monitor
Viewfinder Information
Viewfinder type Electronic Optical (pentaprism)
Viewfinder resolution 2,360 thousand dots -
Viewfinder coverage 100% 100%
Viewfinder magnification 0.62x 0.61x
Features
Minimum shutter speed 60 secs 30 secs
Fastest shutter speed 1/4000 secs 1/8000 secs
Fastest quiet shutter speed 1/16000 secs -
Continuous shutter rate 8.7fps 7.0fps
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Custom white balance
Image stabilization
Integrated flash
Flash range 7.20 m (at ISO 200) 13.00 m (at ISO 100)
Flash options Redeye, fill-in, off, redeye slow-sync (1st-curtain), slow sync (1st-curtain), slow sync (2nd-curtain), manual Auto, On, Off, Red-eye, Slow sync, High speed, Rear curtain and Wireless
External flash
AEB
WB bracketing
Fastest flash synchronize 1/250 secs 1/180 secs
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Video resolutions 3840 x 2160 @ 30p / 102 Mbps, MOV, H.264, Linear PCM3840 x 2160 @ 25p / 102 Mbps, MOV, H.264, Linear PCM3840 x 2160 @ 24p / 102 Mbps, MOV, H.264, Linear PCM1920 x 1080 @ 60p / 52 Mbps, MOV, H.264, Linear PCM1920 x 1080 @ 50p / 52 Mbps, MOV, H.264, Linear PCM1920 x 1080 @ 30p / 52 Mbps, MOV, H.264, Linear PCM1920 x 1080 @ 25p / 52 Mbps, MOV, H.264, Linear PCM1920 x 1080 @ 24p / 52 Mbps, MOV, H.264, Linear PCM 1920 x 1080 (25 fps), 1280 x 720 (25, 30 fps), 640 x 480 (25, 30 fps)
Max video resolution 3840x2160 1920x1080
Video file format MPEG-4, H.264 Motion JPEG
Mic port
Headphone port
Connectivity
Wireless Built-In None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None Optional
Physical
Environment sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 383 gr (0.84 pounds) 760 gr (1.68 pounds)
Physical dimensions 122 x 84 x 49mm (4.8" x 3.3" x 1.9") 131 x 97 x 73mm (5.2" x 3.8" x 2.9")
DXO scores
DXO Overall score not tested 82
DXO Color Depth score not tested 23.9
DXO Dynamic range score not tested 14.1
DXO Low light score not tested 1208
Other
Battery life 360 photographs 980 photographs
Type of battery Battery Pack Battery Pack
Battery model BLS-50 D-LI90
Self timer Yes (2 or 12 sec, custom) Yes ( 2 or 12 seconds)
Time lapse feature
Type of storage SD/SDHC/SDXC (UHS-II supported) SD/SDHC/SDXC
Card slots One One
Price at release $699 $749