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Olympus E-M5 III vs Pentax K-1 II

Portability
80
Imaging
62
Features
88
Overall
72
Olympus OM-D E-M5 III front
 
Pentax K-1 Mark II front
Portability
55
Imaging
77
Features
82
Overall
79

Olympus E-M5 III vs Pentax K-1 II Key Specs

Olympus E-M5 III
(Full Review)
  • 20MP - Four Thirds Sensor
  • 3" Fully Articulated Display
  • ISO 200 - 25600
  • Sensor based 5-axis Image Stabilization
  • 1/8000s Maximum Shutter
  • 4096 x 2160 video
  • Micro Four Thirds Mount
  • 414g - 125 x 85 x 50mm
  • Launched October 2019
  • Superseded the Olympus E-M5 II
  • Renewed by OM System OM-5
Pentax K-1 II
(Full Review)
  • 36MP - Full frame Sensor
  • 3.2" Fully Articulated Screen
  • ISO 100 - 819200
  • Sensor based 5-axis Image Stabilization
  • No Anti-Alias Filter
  • 1/8000s Maximum Shutter
  • 1920 x 1080 video
  • Pentax KAF4 Mount
  • 1010g - 137 x 110 x 86mm
  • Announced February 2018
  • Earlier Model is Pentax K-1
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Olympus E-M5 III vs Pentax K-1 II Overview

Below is a detailed review of the Olympus E-M5 III vs Pentax K-1 II, former being a Advanced Mirrorless while the latter is a Advanced DSLR by companies Olympus and Pentax. There exists a sizable gap among the image resolutions of the E-M5 III (20MP) and K-1 II (36MP) and the E-M5 III (Four Thirds) and K-1 II (Full frame) boast different sensor measurements.

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The E-M5 III was introduced 21 months later than the K-1 II which makes them a generation apart from one another. Each of these cameras feature different body design with the Olympus E-M5 III being a SLR-style mirrorless camera and the Pentax K-1 II being a Mid-size SLR camera.

Before going right into a in-depth comparison, here is a quick highlight of how the E-M5 III scores versus the K-1 II in relation to portability, imaging, features and an overall grade.

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Reasons to pick Olympus E-M5 III over the Pentax K-1 II

 E-M5 III K-1 II 
AnnouncedOctober 2019February 2018More recent by 21 months
Screen resolution1040k1037kSharper screen (+3k dot)
Selfie screen Take selfies
Touch screen Quickly navigate

Reasons to pick Pentax K-1 II over the Olympus E-M5 III

 K-1 II E-M5 III 
Screen size3.2"3"Bigger screen (+0.2")

Common features in the Olympus E-M5 III and Pentax K-1 II

 E-M5 III K-1 II 
Focus manually More exact focus
Screen typeFully ArticulatedFully ArticulatedFully Articulated screen

Olympus E-M5 III vs Pentax K-1 II Physical Comparison

If you are aiming to lug around your camera, you'll have to factor in its weight and volume. The Olympus E-M5 III enjoys physical measurements of 125mm x 85mm x 50mm (4.9" x 3.3" x 2.0") having a weight of 414 grams (0.91 lbs) and the Pentax K-1 II has sizing of 137mm x 110mm x 86mm (5.4" x 4.3" x 3.4") with a weight of 1010 grams (2.23 lbs).

Examine the Olympus E-M5 III vs Pentax K-1 II in our newest Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Keep in mind, the weight of an ILC will vary based on the lens you choose during that time. Here is a front view overall size comparison of the E-M5 III and the K-1 II.

Olympus E-M5 III vs Pentax K-1 II size comparison

Taking into account dimensions and weight, the portability rating of the E-M5 III and K-1 II is 80 and 55 respectively.

Olympus E-M5 III vs Pentax K-1 II top view buttons comparison

Olympus E-M5 III vs Pentax K-1 II Sensor Comparison

Quite often, it is difficult to picture the contrast in sensor measurements purely by looking through specifications. The photograph here may offer you a more clear sense of the sensor sizing in the E-M5 III and K-1 II.

To sum up, each of these cameras feature different resolutions and different sensor measurements. The E-M5 III with its smaller sensor is going to make achieving shallow depth of field harder and the Pentax K-1 II will result in more detail using its extra 16MP. Higher resolution can also let you crop photographs way more aggressively. The fresher E-M5 III provides an edge with regard to sensor innovation.

Olympus E-M5 III vs Pentax K-1 II sensor size comparison

Olympus E-M5 III vs Pentax K-1 II Screen and ViewFinder

Olympus E-M5 III vs Pentax K-1 II Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Olympus E-M5 III Portrait photography features
Pentax K-1 II Portrait photography features
77
you can focus manually
good megapixels (20MP)
nice sensor size (Four Thirds)
supports face detection focus
exports RAW files
86
has manual focus
high resolution (36MP)
large sensor size (Full frame)
has face detection focus
supports RAW files
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Street Comparison

Olympus E-M5 III Street photography features
Pentax K-1 II Street photography features
83
fully articulated screen
built in image stabilization (Sensor based 5-axis)
nice sensor size (Four Thirds)
exports RAW files
includes focus via touch
environment sealing
very good ISO range (25,600)
70
fully articulated screen
built in image stabilization (Sensor based 5-axis)
large sensor size (Full frame)
supports RAW files
environment sealing
above average high ISO (819,200)
heavier than competition in class (1,010 grams)
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Sports Comparison

Olympus E-M5 III Sports photography information
Pentax K-1 II Sports photography information
76
max shutter speed is good (1/8,000 seconds)
quiet mode (1/32,000 seconds)
max fps high (30.0 frames/s)
built in image stabilization (Sensor based 5-axis)
good megapixels (20MP)
nice sensor size (Four Thirds)
supports tracking autofocus
environment sealing
has phase detect auto focus
low battery power (310 per charge)
77
maximum shutter speed is high (1/8,000 seconds)
built in image stabilization (Sensor based 5-axis)
high resolution (36 megapixels)
large sensor size (Full frame)
has tracking autofocus
environment sealing
comes with phase detect auto focus
max fps low (4.4 frames/s)
not so great battery pack (670 shots)
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Travel Comparison

Olympus E-M5 III Travel photography info
Pentax K-1 II Travel photography info
77
environment sealing
supports bluetooth
includes focus via touch
good megapixels (20MP)
selfie friendly screen
low battery power (310 per charge)
53
environment sealing
high resolution (36MP)
not so great battery pack (670 shots)
heavier than competition in class (1,010g)
does not posses selfie friendly display
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Landscape Comparison

Olympus E-M5 III Landscape photography advice
Pentax K-1 II Landscape photography advice
77
you can focus manually
interchangeable lenses (Micro Four Thirds mount)
screen size is good (3 inch)
built in image stabilization (Sensor based 5-axis)
good megapixels (20 megapixels)
nice sensor size (Four Thirds)
very good ISO range (25,600)
exports RAW files
environment sealing
low battery power (310 CIPA)
82
has manual focus
interchangeable lenses (Pentax KAF4 mount)
screen is a good size (3.2 inch)
built in image stabilization (Sensor based 5-axis)
high resolution (36 megapixels)
large sensor size (Full frame)
doesnt have low pass filter
above average high ISO (819,200)
supports RAW files
environment sealing
two card slots
not so great battery pack (670 per charge)
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Vlogging Comparison

Olympus E-M5 III Vlogging highlights
Pentax K-1 II Vlogging highlights
84
selfie friendly screen
screen is touchscreen
built in image stabilization (Sensor based 5-axis)
supports face detection focus
high video quality (4096 x 2160 resolution)
has external mic port
32
built in image stabilization (Sensor based 5-axis)
has face detection focus
good video quality (1920 x 1080 resolution)
does have external mic socket
does not posses selfie friendly display
heavier than competition in class (1,010 grams)
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Olympus E-M5 III vs Pentax K-1 II Specifications

Detailed spec comparison table for Olympus E-M5 III and Pentax K-1 II
 Olympus OM-D E-M5 IIIPentax K-1 Mark II
General Information
Manufacturer Olympus Pentax
Model Olympus OM-D E-M5 III Pentax K-1 Mark II
Type Advanced Mirrorless Advanced DSLR
Launched 2019-10-17 2018-02-22
Physical type SLR-style mirrorless Mid-size SLR
Sensor Information
Powered by TruePic VIII PRIME IV
Sensor type MOS CMOS
Sensor size Four Thirds Full frame
Sensor dimensions 17.4 x 13mm 35.9 x 24mm
Sensor surface area 226.2mm² 861.6mm²
Sensor resolution 20 megapixel 36 megapixel
Anti aliasing filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 3:2
Highest Possible resolution 5184 x 3888 7360 x 4912
Maximum native ISO 25600 819200
Min native ISO 200 100
RAW photos
Min enhanced ISO 64 -
Autofocusing
Focus manually
Touch to focus
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 121 33
Cross focus points - 25
Lens
Lens mount Micro Four Thirds Pentax KAF4
Number of lenses 107 151
Focal length multiplier 2.1 1
Screen
Type of display Fully Articulated Fully Articulated
Display diagonal 3" 3.2"
Resolution of display 1,040k dots 1,037k dots
Selfie friendly
Liveview
Touch friendly
Viewfinder Information
Viewfinder type Electronic Optical (pentaprism)
Viewfinder resolution 2,360k dots -
Viewfinder coverage 100 percent 100 percent
Viewfinder magnification 0.68x 0.7x
Features
Min shutter speed 60 seconds 30 seconds
Max shutter speed 1/8000 seconds 1/8000 seconds
Max quiet shutter speed 1/32000 seconds -
Continuous shutter rate 30.0 frames/s 4.4 frames/s
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Set WB
Image stabilization
Built-in flash
Flash range no built-in flash no built-in flash
Flash settings Auto, redeye, fill, off, redeye slow sync, 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
External flash
Auto exposure bracketing
White balance bracketing
Max flash synchronize 1/250 seconds 1/200 seconds
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 PCM 1920 x 1080 (60i, 50i, 30p, 25p, 24p), 1280 x 720 (60p, 50p)
Maximum video resolution 4096x2160 1920x1080
Video format MPEG-4, H.264 MPEG-4, H.264
Mic port
Headphone port
Connectivity
Wireless Built-In 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
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None Built-in
Physical
Environmental sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 414 grams (0.91 pounds) 1010 grams (2.23 pounds)
Physical dimensions 125 x 85 x 50mm (4.9" x 3.3" x 2.0") 137 x 110 x 86mm (5.4" x 4.3" x 3.4")
DXO scores
DXO Overall score not tested not tested
DXO Color Depth score not tested not tested
DXO Dynamic range score not tested not tested
DXO Low light score not tested not tested
Other
Battery life 310 pictures 670 pictures
Battery type Battery Pack Battery Pack
Battery model BLN-1 D-LI90
Self timer Yes (2 or 10 secs, custom) Yes (2 or 12 sec, custom)
Time lapse recording
Storage type SD/SDHC/SDXC (UHS-II supported) Dual SD/SDHC/SDXC (UHS-I)
Card slots One Dual
Price at release $1,199 $1,737