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Olympus E-M1 III vs Pentax KP

Portability
67
Imaging
62
Features
96
Overall
75
Olympus OM-D E-M1 Mark III front
 
Pentax KP front
Portability
61
Imaging
67
Features
76
Overall
70

Olympus E-M1 III vs Pentax KP Key Specs

Olympus E-M1 III
(Full Review)
  • 20MP - Four Thirds Sensor
  • 3" Fully Articulated Display
  • ISO 200 - 25600
  • Sensor based 5-axis Image Stabilization
  • No Anti-Alias Filter
  • 1/8000s Maximum Shutter
  • 4096 x 2160 video
  • Micro Four Thirds Mount
  • 580g - 134 x 91 x 69mm
  • Revealed February 2020
  • Older Model is Olympus E-M1 II
Pentax KP
(Full Review)
  • 24MP - APS-C Sensor
  • 3" Tilting Screen
  • ISO 100 - 819200
  • Sensor based 5-axis Image Stabilization
  • 1/6000s Maximum Shutter
  • 1920 x 1080 video
  • Pentax KAF2 Mount
  • 703g - 132 x 101 x 76mm
  • Released January 2017
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Olympus E-M1 III vs Pentax KP Overview

Below, we will be comparing the Olympus E-M1 III versus Pentax KP, former is a Pro Mirrorless while the latter is a Advanced DSLR by rivals Olympus and Pentax. The resolution of the E-M1 III (20MP) and the KP (24MP) is relatively comparable but the E-M1 III (Four Thirds) and KP (APS-C) possess different sensor measurements.

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The E-M1 III was introduced 3 years after the KP which is a fairly serious difference as far as camera tech is concerned. The two cameras come with different body type with the Olympus E-M1 III being a SLR-style mirrorless camera and the Pentax KP being a Mid-size SLR camera.

Before delving straight into a in depth comparison, below is a simple overview of how the E-M1 III matches up versus the KP in relation to portability, imaging, features and an overall mark.

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Reasons to pick Olympus E-M1 III over the Pentax KP

 E-M1 III KP 
ReleasedFebruary 2020January 2017Newer by 38 months
Screen typeFully ArticulatedTiltingFully Articulating screen
Screen resolution1037k921kSharper screen (+116k dot)
Selfie screen Easy selfies
Touch friendly screen Quickly navigate

Reasons to pick Pentax KP over the Olympus E-M1 III

 KP E-M1 III 

Common features in the Olympus E-M1 III and Pentax KP

 E-M1 III KP 
Focus manually Dial precise focus
Screen dimension3"3"Identical screen measurements

Olympus E-M1 III vs Pentax KP Physical Comparison

For anybody who is planning to travel with your camera often, you'll have to factor its weight and proportions. The Olympus E-M1 III offers exterior dimensions of 134mm x 91mm x 69mm (5.3" x 3.6" x 2.7") accompanied by a weight of 580 grams (1.28 lbs) while the Pentax KP has measurements of 132mm x 101mm x 76mm (5.2" x 4.0" x 3.0") having a weight of 703 grams (1.55 lbs).

Examine the Olympus E-M1 III versus Pentax KP in our newest Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Do not forget, the weight of an ILC will differ based on the lens you use at that time. Here is the front view measurement comparison of the E-M1 III versus the KP.

Olympus E-M1 III vs Pentax KP size comparison

Taking into consideration size and weight, the portability rating of the E-M1 III and KP is 67 and 61 respectively.

Olympus E-M1 III vs Pentax KP top view buttons comparison

Olympus E-M1 III vs Pentax KP Sensor Comparison

In many cases, it is tough to visualize the gap in sensor dimensions just by going through specs. The picture here should provide you a greater sense of the sensor dimensions in the E-M1 III and KP.

As you can plainly see, both the cameras have got different megapixel count and different sensor dimensions. The E-M1 III with its smaller sensor is going to make achieving shallower depth of field more difficult and the Pentax KP will provide extra detail using its extra 4MP. Higher resolution will also allow you to crop photographs much more aggressively. The younger E-M1 III should have an edge in sensor technology.

Olympus E-M1 III vs Pentax KP sensor size comparison

Olympus E-M1 III vs Pentax KP Screen and ViewFinder

Olympus E-M1 III vs Pentax KP Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Olympus E-M1 III Portrait photography advice
Pentax KP Portrait photography advice
77
has manual focus
decent sensor resolution (20 megapixels)
sensor size is good (Four Thirds)
comes with face detect autofocus
supports RAW files
80
has manual focus
good MP (24MP)
sensor size is nice (APS-C)
offers face detect focusing
supports RAW formats
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Street Comparison

Olympus E-M1 III Street photography factors
Pentax KP Street photography factors
78
screen articulates
built in image stabilization (Sensor based 5-axis)
sensor size is good (Four Thirds)
supports RAW files
supports focus via touch
weather sealing
very good high ISO (25,600)
76
has a tilting screen
has image stabilization (Sensor based 5-axis)
sensor size is nice (APS-C)
supports RAW formats
weather proof
good ISO range (819,200)
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Sports Comparison

Sports photography with Olympus E-M1 III
Sports photography with Pentax KP
81
high shutter speed (1/8,000 seconds)
silent shutter (1/32,000 seconds)
high frames per second (60.0 fps)
built in image stabilization (Sensor based 5-axis)
decent sensor resolution (20 megapixels)
sensor size is good (Four Thirds)
comes with tracking focus
weather sealing
supports phase detect autofocus
72
max shutter speed is good (1/6,000 seconds)
quiet mode (1/24,000 seconds)
has image stabilization (Sensor based 5-axis)
good MP (24MP)
sensor size is nice (APS-C)
offers tracking focus
weather proof
terrible battery pack (390 CIPA)
does not have phase detect AF
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Travel Comparison

Olympus E-M1 III Travel photography features
Pentax KP Travel photography features
79
weather sealing
supports bluetooth
supports focus via touch
decent sensor resolution (20 megapixels)
screen is selfie friendly
61
weather proof
good MP (24 megapixels)
flash built-in
terrible battery pack (390 CIPA)
display is not selfie friendly
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Landscape Comparison

Olympus E-M1 III Landscape photography factors
Pentax KP Landscape photography factors
81
has manual focus
change lenses (Micro Four Thirds mount)
screen is a decent size (3")
built in image stabilization (Sensor based 5-axis)
decent sensor resolution (20 megapixels)
sensor size is good (Four Thirds)
does not have anti-alias filter
very good high ISO (25,600)
supports RAW files
weather sealing
has double storage slots
77
has manual focus
interchangeable lenses (Pentax KAF2 mount)
screen is a good size (3 inch)
has image stabilization (Sensor based 5-axis)
good MP (24 megapixels)
sensor size is nice (APS-C)
good ISO range (819,200)
supports RAW formats
weather proof
terrible battery pack (390 CIPA)
Photography Glossary

Vlogging Comparison

Olympus E-M1 III Vlogging highlights
Pentax KP Vlogging highlights
79
screen is selfie friendly
touchscreen functionality
built in image stabilization (Sensor based 5-axis)
comes with face detect autofocus
video res high (4096 x 2160 resolution)
comes with mic port
34
has image stabilization (Sensor based 5-axis)
offers face detect focusing
high quality video (1920 x 1080 pxls)
does have mic jack
display is not selfie friendly
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Olympus E-M1 III vs Pentax KP Specifications

Detailed spec comparison table for Olympus E-M1 III and Pentax KP
 Olympus OM-D E-M1 Mark IIIPentax KP
General Information
Company Olympus Pentax
Model type Olympus OM-D E-M1 Mark III Pentax KP
Type Pro Mirrorless Advanced DSLR
Revealed 2020-02-11 2017-01-26
Body design SLR-style mirrorless Mid-size SLR
Sensor Information
Processor Chip TruePic IX PRIME IV
Sensor type CMOS CMOS
Sensor size Four Thirds APS-C
Sensor dimensions 17.4 x 13mm 23.5 x 15.6mm
Sensor surface area 226.2mm² 366.6mm²
Sensor resolution 20 megapixel 24 megapixel
Anti alias filter
Aspect ratio 4:3 3:2
Highest Possible resolution 5184 x 3888 6016 x 4000
Maximum native ISO 25600 819200
Minimum native ISO 200 100
RAW pictures
Minimum enhanced ISO 64 -
Autofocusing
Manual focusing
Touch focus
Continuous autofocus
Autofocus single
Autofocus tracking
Selective autofocus
Autofocus center weighted
Autofocus multi area
Autofocus live view
Face detect focus
Contract detect focus
Phase detect focus
Total focus points 121 27
Cross type focus points 121 25
Lens
Lens support Micro Four Thirds Pentax KAF2
Total lenses 107 151
Crop factor 2.1 1.5
Screen
Display type Fully Articulated Tilting
Display diagonal 3 inch 3 inch
Resolution of display 1,037k dot 921k dot
Selfie friendly
Liveview
Touch operation
Viewfinder Information
Viewfinder Electronic Optical (pentaprism)
Viewfinder resolution 2,360k dot -
Viewfinder coverage 100 percent 100 percent
Viewfinder magnification 0.74x 0.63x
Features
Min shutter speed 60 secs 30 secs
Max shutter speed 1/8000 secs 1/6000 secs
Max quiet shutter speed 1/32000 secs 1/24000 secs
Continuous shutter speed 60.0 frames/s 7.0 frames/s
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Custom white balance
Image stabilization
Integrated flash
Flash distance no built-in flash 6.00 m (at ISO 100)
Flash options Redeye, Fill-in, Flash Off, Red-eye Slow sync.(1st curtain), Slow sync.(1st curtain), Slow sync.(2nd curtain), Manual Auto, auto w/redeye reduction, flash on w/redeye reduction, slow sync, trailing curtain sync, manual, wireless
Hot shoe
AE bracketing
WB bracketing
Max flash sync 1/250 secs -
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Supported video resolutions 4096 x 2160 @ 24p / 237 Mbps, MOV, H.264, Linear PCM3840 x 2160 @ 30p / 102 Mbps, MOV, H.264, Linear PCM3840 x 2160 @ 25p / 102 Mbps, MOV, H.264, Linear PCM3840 x 2160 @ 23.98p / 102 Mbps, MOV, H.264, Linear PCM1920 x 1080 @ 60p, MOV, H.264, Linear PCM1920 x 1080 @ 50p, MOV, H.264, Linear PCM1920 x 1080 @ 30p, MOV, H.264, Linear PCM1920 x 1080 @ 25p, MOV, H.264, Linear PCM1920 x 1080 @ 23.98p, MOV, H.264, Linear PCM 1920 x 1080 (60i, 30p)
Maximum video resolution 4096x2160 1920x1080
Video file format MPEG-4, H.264 MPEG-4, H.264
Mic input
Headphone input
Connectivity
Wireless Built-In Built-In
Bluetooth
NFC
HDMI
USB USB 3.1 Gen 1 (5 GBit/sec) USB 2.0 (480 Mbit/sec)
GPS None Optional
Physical
Environment seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 580 gr (1.28 pounds) 703 gr (1.55 pounds)
Dimensions 134 x 91 x 69mm (5.3" x 3.6" x 2.7") 132 x 101 x 76mm (5.2" x 4.0" x 3.0")
DXO scores
DXO Overall rating not tested not tested
DXO Color Depth rating not tested not tested
DXO Dynamic range rating not tested not tested
DXO Low light rating not tested not tested
Other
Battery life 420 photos 390 photos
Battery format Battery Pack Battery Pack
Battery ID BLH-1 D-LI109
Self timer Yes (2 or 12 secs, custom) Yes (2 or 12 secs)
Time lapse recording
Storage media Dual SD/SDHC/SDXC slots (UHS-II on first slot) SD/SDHC/SDXC (UHS-I supported)
Storage slots 2 1
Price at release $1,800 $747