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Olympus E-M1X vs Pentax K-1

Portability
54
Imaging
61
Features
93
Overall
73
Olympus OM-D E-M1X front
 
Pentax K-1 front
Portability
55
Imaging
76
Features
82
Overall
78

Olympus E-M1X vs Pentax K-1 Key Specs

Olympus E-M1X
(Full Review)
  • 20MP - Four Thirds Sensor
  • 3" Fully Articulated Display
  • ISO 200 - 25600
  • Sensor based 5-axis Image Stabilization
  • 1/8000s Max Shutter
  • 4096 x 2160 video
  • Micro Four Thirds Mount
  • 997g - 144 x 147 x 75mm
  • Released January 2019
  • Superseded the Olympus E-M1 II
Pentax K-1
(Full Review)
  • 36MP - Full frame Sensor
  • 3.2" Fully Articulated Screen
  • ISO 100 - 204800
  • Sensor based 5-axis Image Stabilization
  • No Anti-Alias Filter
  • 1/8000s Maximum Shutter
  • 1920 x 1080 video
  • Pentax KAF2 Mount
  • 1010g - 137 x 110 x 86mm
  • Introduced February 2016
  • Replacement is Pentax K-1 II
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Olympus E-M1X vs Pentax K-1 Overview

Let's examine more in depth at the Olympus E-M1X and Pentax K-1, former being a Pro Mirrorless while the latter is a Advanced DSLR by companies Olympus and Pentax. There is a substantial difference among the resolutions of the E-M1X (20MP) and K-1 (36MP) and the E-M1X (Four Thirds) and K-1 (Full frame) use totally different sensor size.

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The E-M1X was launched 2 years later than the K-1 and that is a fairly big difference as far as camera tech is concerned. Both cameras offer different body type with the Olympus E-M1X being a SLR-style mirrorless camera and the Pentax K-1 being a Mid-size SLR camera.

Before we go straight into a thorough comparison, below is a short summary of how the E-M1X matches up against the K-1 in terms of portability, imaging, features and an overall grade.

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Reasons to pick Olympus E-M1X over the Pentax K-1

 E-M1X K-1 
IntroducedJanuary 2019February 2016More recent by 36 months
Selfie screen Easy selfies
Touch screen Quickly navigate

Reasons to pick Pentax K-1 over the Olympus E-M1X

 K-1 E-M1X 
Screen sizing3.2"3"Bigger screen (+0.2")

Common features in the Olympus E-M1X and Pentax K-1

 E-M1X K-1 
Manual focus More accurate focusing
Screen typeFully ArticulatedFully ArticulatedFully Articulated screen
Screen resolution1037k1037kIdentical screen resolution

Olympus E-M1X vs Pentax K-1 Physical Comparison

For anybody who is looking to lug around your camera frequently, you'll need to take into account its weight and measurements. The Olympus E-M1X has got outer dimensions of 144mm x 147mm x 75mm (5.7" x 5.8" x 3.0") accompanied by a weight of 997 grams (2.20 lbs) whilst the Pentax K-1 has proportions of 137mm x 110mm x 86mm (5.4" x 4.3" x 3.4") with a weight of 1010 grams (2.23 lbs).

Compare the Olympus E-M1X and Pentax K-1 in our completely new Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Don't forget, the weight of an ILC will change based on the lens you are employing at that time. The following is the front view dimension comparison of the E-M1X against the K-1.

Olympus E-M1X vs Pentax K-1 size comparison

Using size and weight, the portability grade of the E-M1X and K-1 is 54 and 55 respectively.

Olympus E-M1X vs Pentax K-1 top view buttons comparison

Olympus E-M1X vs Pentax K-1 Sensor Comparison

Generally, its hard to visualise the gap in sensor measurements merely by seeing specifications. The graphic underneath should give you a greater sense of the sensor dimensions in the E-M1X and K-1.

To sum up, the two cameras enjoy different resolutions and different sensor measurements. The E-M1X featuring a smaller sensor will make achieving shallow DOF tougher and the Pentax K-1 will produce more detail utilizing its extra 16 Megapixels. Higher resolution will help you crop photographs far more aggressively. The fresher E-M1X is going to have an edge when it comes to sensor tech.

Olympus E-M1X vs Pentax K-1 sensor size comparison

Olympus E-M1X vs Pentax K-1 Screen and ViewFinder

Olympus E-M1X vs Pentax K-1 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Olympus E-M1X Portrait photography information
Pentax K-1 Portrait photography information
76
manual focus
megapixel count good (20MP)
sensor size is decent (Four Thirds)
includes face detection focusing
exports RAW files
85
you can focus manually
megapixel count amazing (36 megapixels)
big sensor size (Full frame)
includes face detect focus
supports RAW formats
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Street Comparison

Olympus E-M1X Street photography features
Pentax K-1 Street photography features
67
screen can move to multiple angles
has image stabilization (Sensor based 5-axis)
sensor size is decent (Four Thirds)
exports RAW files
offers focus via touch
environment proofing
above average ISO range (25,600)
more heavy than average (997g)
70
screen articulates fully
has image stabilization (Sensor based 5-axis)
big sensor size (Full frame)
supports RAW formats
environment proof
above average high ISO (204,800)
more heavy than average in class (1,010g)
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Sports Comparison

Olympus E-M1X Sports photography details
Pentax K-1 Sports photography details
80
maximum shutter speed is high (1/8,000 seconds)
quiet shooting (1/32,000 seconds)
high max frames per second (60.0 frames per second)
has image stabilization (Sensor based 5-axis)
megapixel count good (20MP)
sensor size is decent (Four Thirds)
includes tracking autofocus
environment proofing
good battery power (870 shots)
sensor has phase detect AF
76
max shutter speed is good (1/8,000s)
has image stabilization (Sensor based 5-axis)
megapixel count amazing (36 megapixels)
big sensor size (Full frame)
includes tracking focus
environment proof
supports phase detect auto focus
slow frames per second (4.4 fps)
terrible battery pack (760 per charge)
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Travel Comparison

Olympus E-M1X as a Travel photography camera
Pentax K-1 as a Travel photography camera
68
good battery power (870 per charge)
environment proofing
supports bluetooth
offers focus via touch
megapixel count good (20MP)
selfie friendly display
more heavy than average (997g)
53
environment proof
megapixel count amazing (36MP)
terrible battery pack (760 per charge)
more heavy than average in class (1,010 grams)
does not offer selfie friendly display
Photography Glossary

Landscape Comparison

Landscape photography with Olympus E-M1X
Landscape photography with Pentax K-1
79
manual focus
switch lenses (Micro Four Thirds mount)
screen is a good size (3 inches)
has image stabilization (Sensor based 5-axis)
megapixel count good (20MP)
sensor size is decent (Four Thirds)
above average ISO range (25,600)
exports RAW files
environment proofing
good battery power (870 per charge)
two card slots
81
you can focus manually
interchangeable lenses (Pentax KAF2 mount)
good sized screen (3.2")
has image stabilization (Sensor based 5-axis)
megapixel count amazing (36MP)
big sensor size (Full frame)
doesnt have low pass filter
above average high ISO (204,800)
supports RAW formats
environment proof
two card slots
terrible battery pack (760 per charge)
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Vlogging Comparison

Olympus E-M1X Vlogging information
Pentax K-1 Vlogging information
68
selfie friendly display
screen is touchscreen
has image stabilization (Sensor based 5-axis)
includes face detection focusing
video resolution high (4096 x 2160 pixels)
includes external microphone socket
more heavy than average (997 grams)
31
has image stabilization (Sensor based 5-axis)
includes face detect focus
video resolution high (1920 x 1080 resolution)
comes with microphone socket
does not offer selfie friendly display
more heavy than average in class (1,010 grams)
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Olympus E-M1X vs Pentax K-1 Specifications

Detailed spec comparison table for Olympus E-M1X and Pentax K-1
 Olympus OM-D E-M1XPentax K-1
General Information
Brand Olympus Pentax
Model type Olympus OM-D E-M1X Pentax K-1
Category Pro Mirrorless Advanced DSLR
Released 2019-01-24 2016-02-17
Physical type SLR-style mirrorless Mid-size SLR
Sensor Information
Processor Dual TruePic VIII -
Sensor type CMOS CMOS
Sensor size Four Thirds Full frame
Sensor measurements 17.4 x 13mm 35.9 x 24mm
Sensor surface area 226.2mm² 861.6mm²
Sensor resolution 20MP 36MP
Anti alias filter
Aspect ratio 4:3 3:2
Peak resolution 5184 x 3888 7360 x 4912
Highest native ISO 25600 204800
Lowest native ISO 200 100
RAW data
Lowest enhanced ISO 64 -
Autofocusing
Focus manually
Touch to focus
AF continuous
Single AF
AF tracking
AF selectice
AF center weighted
Multi area AF
Live view AF
Face detect AF
Contract detect AF
Phase detect AF
Total focus points 121 33
Cross type focus points - 25
Lens
Lens support Micro Four Thirds Pentax KAF2
Available lenses 107 151
Focal length multiplier 2.1 1
Screen
Display type Fully Articulated Fully Articulated
Display sizing 3 inch 3.2 inch
Resolution of display 1,037k dots 1,037k dots
Selfie friendly
Liveview
Touch capability
Viewfinder Information
Viewfinder type Electronic Optical (pentaprism)
Viewfinder resolution 2,360k dots -
Viewfinder coverage 100 percent 100 percent
Viewfinder magnification 0.74x 0.7x
Features
Min shutter speed 60s 30s
Max shutter speed 1/8000s 1/8000s
Max quiet shutter speed 1/32000s -
Continuous shutter rate 60.0fps 4.4fps
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Change WB
Image stabilization
Integrated flash
Flash distance no built-in flash no built-in flash
Flash options Redeye, Fill-in, Flash Off, Red-eye Slow sync (1st curtain), Slow sync.(1st curtain), Slow sync (2nd curtain), 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
WB bracketing
Max flash synchronize - 1/200s
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
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)
Highest video resolution 4096x2160 1920x1080
Video data format MPEG-4, H.264 MPEG-4, H.264
Microphone port
Headphone port
Connectivity
Wireless Built-In Built-In
Bluetooth
NFC
HDMI
USB Yes (USB-PD allows charging by laptop or external power bank) USB 2.0 (480 Mbit/sec)
GPS Built-in Built-in
Physical
Environmental sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 997g (2.20 lbs) 1010g (2.23 lbs)
Dimensions 144 x 147 x 75mm (5.7" x 5.8" x 3.0") 137 x 110 x 86mm (5.4" x 4.3" x 3.4")
DXO scores
DXO Overall rating not tested 96
DXO Color Depth rating not tested 25.4
DXO Dynamic range rating not tested 14.6
DXO Low light rating not tested 3280
Other
Battery life 870 photographs 760 photographs
Type of battery Built-in Battery Pack
Battery ID - D-LI90
Self timer Yes (2 or 12 secs, custom) Yes (2 or 12 sec, custom)
Time lapse shooting
Type of storage - Dual SD/SDHC/SDXC (UHS-I)
Card slots Dual Dual
Retail cost $2,999 $1,499