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Olympus E-M1X vs Pentax Q-S1

Portability
54
Imaging
61
Features
93
Overall
73
Olympus OM-D E-M1X front
 
Pentax Q-S1 front
Portability
92
Imaging
38
Features
54
Overall
44

Olympus E-M1X vs Pentax Q-S1 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  • Superseded the Olympus E-M1 II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 Q-S1
(Full Review)
  • 12MP - 1/1.7" Sensor
  • 3" Fixed Screen
  • ISO 100 - 12800
  • Sensor based Image Stabilization
  • 1/8000s Max Shutter
  • 1920 x 1080 video
  • Pentax Q Mount
  • 203g - 105 x 58 x 34mm
  • Introduced August 2014
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Olympus E-M1X vs Pentax Q-S1 Overview

Let's examine more in depth at the Olympus E-M1X vs Pentax Q-S1, one being a Pro Mirrorless and the latter is a Entry-Level Mirrorless by rivals Olympus and Pentax. There exists a huge gap among the image resolutions of the E-M1X (20MP) and Q-S1 (12MP) and the E-M1X (Four Thirds) and Q-S1 (1/1.7") come with totally different sensor sizing.

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The E-M1X was manufactured 4 years later than the Q-S1 and that is a fairly significant gap as far as camera technology is concerned. Each of the cameras come with different body type with the Olympus E-M1X being a SLR-style mirrorless camera and the Pentax Q-S1 being a Rangefinder-style mirrorless camera.

Before going straight into a thorough comparison, below is a short overview of how the E-M1X scores vs the Q-S1 with regards to portability, imaging, features and an overall rating.

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Reasons to pick Olympus E-M1X over the Pentax Q-S1

 E-M1X Q-S1 
IntroducedJanuary 2019August 2014Fresher by 55 months
Screen typeFully ArticulatedFixed Fully Articulating screen
Screen resolution1037k460kSharper screen (+577k dot)
Selfie screen Easy selfies
Touch friendly screen Quickly navigate

Reasons to pick Pentax Q-S1 over the Olympus E-M1X

 Q-S1 E-M1X 

Common features in the Olympus E-M1X and Pentax Q-S1

 E-M1X Q-S1 
Manual focus Very exact focusing
Screen dimension3"3"Identical screen measurement

Olympus E-M1X vs Pentax Q-S1 Physical Comparison

When you are aiming to carry your camera frequently, you're going to have to take into account its weight and size. The Olympus E-M1X has outer dimensions of 144mm x 147mm x 75mm (5.7" x 5.8" x 3.0") and a weight of 997 grams (2.20 lbs) whilst the Pentax Q-S1 has specifications of 105mm x 58mm x 34mm (4.1" x 2.3" x 1.3") with a weight of 203 grams (0.45 lbs).

Check out the Olympus E-M1X vs Pentax Q-S1 in the new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Keep in mind, the weight of an Interchangeable Lens Camera will vary dependant on the lens you have chosen during that time. Here is the front view physical size comparison of the E-M1X vs the Q-S1.

Olympus E-M1X vs Pentax Q-S1 size comparison

Considering dimensions and weight, the portability grade of the E-M1X and Q-S1 is 54 and 92 respectively.

Olympus E-M1X vs Pentax Q-S1 top view buttons comparison

Olympus E-M1X vs Pentax Q-S1 Sensor Comparison

Normally, its difficult to see the contrast in sensor sizing just by checking out specs. The photograph underneath should provide you a more clear sense of the sensor sizes in the E-M1X and Q-S1.

All in all, both of those cameras posses different megapixels and different sensor sizing. The E-M1X due to its bigger sensor will make getting shallower DOF simpler and the Olympus E-M1X will produce more detail due to its extra 8MP. Higher resolution can also allow you to crop shots somewhat more aggressively. The more recent E-M1X will have an advantage in sensor innovation.

Olympus E-M1X vs Pentax Q-S1 sensor size comparison

Olympus E-M1X vs Pentax Q-S1 Screen and ViewFinder

Olympus E-M1X vs Pentax Q-S1 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Olympus E-M1X Portrait photography information
Pentax Q-S1 Portrait photography information
76
manual focus
decent megapixels (20MP)
sensor size is nice (Four Thirds)
features face detect autofocus
saves RAW formats
46
has manual focus
supports face detect autofocus
saves RAW formats
megapixel count low (12 megapixels)
sensor size is tiny (1/1.7")
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Street Comparison

Olympus E-M1X as a Street photography camera
Pentax Q-S1 as a Street photography camera
67
fully articulated screen
image stabilization (Sensor based 5-axis)
sensor size is nice (Four Thirds)
saves RAW formats
includes focus by touch
weather proof
good ISO range (25,600)
more heavy than others (997g)
69
image stabilization (Sensor based)
saves RAW formats
lighter than competition in class (203 grams)
screen does not articulate
sensor size is tiny (1/1.7")
Photography Glossary

Sports Comparison

Olympus E-M1X as a Sports photography camera
Pentax Q-S1 as a Sports photography camera
80
great max shutter speed (1/8,000s)
silent mode (1/32,000s)
high max fps (60.0 frames per second)
image stabilization (Sensor based 5-axis)
decent megapixels (20 megapixels)
sensor size is nice (Four Thirds)
features tracking focus
weather proof
better than average battery (870 per charge)
has phase detect autofocus
37
high shutter speed (1/8,000 seconds)
image stabilization (Sensor based)
supports tracking focus
slow frames per second (5.0 frames per second)
megapixel count low (12 megapixels)
sensor size is tiny (1/1.7")
not so great battery (250 CIPA)
lacks phase detect autofocus
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Travel Comparison

Olympus E-M1X Travel photography highlights
Pentax Q-S1 Travel photography highlights
68
better than average battery (870 CIPA)
weather proof
has bluetooth
includes focus by touch
decent megapixels (20MP)
selfie friendly display
more heavy than others (997g)
60
lighter than competition in class (203 grams)
built-in flash
not so great battery (250 per charge)
megapixel count low (12MP)
doesn't feature selfie friendly display
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Landscape Comparison

Landscape photography with Olympus E-M1X
Landscape photography with Pentax Q-S1
79
manual focus
change lenses (Micro Four Thirds mount)
screen is a decent size (3")
image stabilization (Sensor based 5-axis)
decent megapixels (20MP)
sensor size is nice (Four Thirds)
good ISO range (25,600)
saves RAW formats
weather proof
better than average battery (870 per charge)
has dual storage slots
55
has manual focus
interchangeable lenses (Pentax Q mount)
screen is a good size (3 inches)
image stabilization (Sensor based)
saves RAW formats
megapixel count low (12MP)
sensor size is tiny (1/1.7")
not so great battery (250 shots)
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Vlogging Comparison

Vlogging with Olympus E-M1X
Vlogging with Pentax Q-S1
68
selfie friendly display
has touchscreen
image stabilization (Sensor based 5-axis)
features face detect autofocus
high quality video (4096 x 2160 pxls)
has microphone jack
more heavy than others (997g)
35
image stabilization (Sensor based)
supports face detect autofocus
video res high (1920 x 1080 pixels)
lighter than competition in class (203g)
doesn't feature selfie friendly display
does not have microphone port
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Olympus E-M1X vs Pentax Q-S1 Specifications

Detailed spec comparison table for Olympus E-M1X and Pentax Q-S1
 Olympus OM-D E-M1XPentax Q-S1
General Information
Make Olympus Pentax
Model type Olympus OM-D E-M1X Pentax Q-S1
Type Pro Mirrorless Entry-Level Mirrorless
Released 2019-01-24 2014-08-04
Body design SLR-style mirrorless Rangefinder-style mirrorless
Sensor Information
Processor Dual TruePic VIII Q Engine
Sensor type CMOS BSI-CMOS
Sensor size Four Thirds 1/1.7"
Sensor measurements 17.4 x 13mm 7.44 x 5.58mm
Sensor surface area 226.2mm² 41.5mm²
Sensor resolution 20 megapixels 12 megapixels
Anti alias filter
Aspect ratio 4:3 1:1, 4:3, 3:2 and 16:9
Highest resolution 5184 x 3888 4000 x 3000
Highest native ISO 25600 12800
Min native ISO 200 100
RAW files
Min boosted ISO 64 -
Autofocusing
Focus manually
Touch to focus
Autofocus continuous
Autofocus single
Tracking autofocus
Selective autofocus
Center weighted autofocus
Multi area autofocus
Autofocus live view
Face detect focus
Contract detect focus
Phase detect focus
Total focus points 121 -
Lens
Lens mount type Micro Four Thirds Pentax Q
Available lenses 107 8
Crop factor 2.1 4.8
Screen
Display type Fully Articulated Fixed Type
Display sizing 3" 3"
Display resolution 1,037 thousand dot 460 thousand dot
Selfie friendly
Liveview
Touch operation
Viewfinder Information
Viewfinder type Electronic None
Viewfinder resolution 2,360 thousand dot -
Viewfinder coverage 100% -
Viewfinder magnification 0.74x -
Features
Slowest shutter speed 60 secs 30 secs
Maximum shutter speed 1/8000 secs 1/8000 secs
Maximum quiet shutter speed 1/32000 secs -
Continuous shooting speed 60.0 frames/s 5.0 frames/s
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Set white balance
Image stabilization
Inbuilt flash
Flash distance no built-in flash 4.90 m (at ISO 100)
Flash modes Redeye, Fill-in, Flash Off, Red-eye Slow sync (1st curtain), Slow sync.(1st curtain), Slow sync (2nd curtain), manual Auto, redeye reduction, slow sync, trailing curtain sync
External flash
Auto exposure bracketing
White balance bracketing
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 (30,25, 24p), 1280 x 720 (30, 25, 24p), 640 x 480 (30, 25, 24p)
Highest video resolution 4096x2160 1920x1080
Video format MPEG-4, H.264 MPEG-4, H.264
Microphone jack
Headphone jack
Connectivity
Wireless Built-In None
Bluetooth
NFC
HDMI
USB Yes (USB-PD allows charging by laptop or external power bank) USB 2.0 (480 Mbit/sec)
GPS Built-in None
Physical
Environment seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 997g (2.20 lb) 203g (0.45 lb)
Dimensions 144 x 147 x 75mm (5.7" x 5.8" x 3.0") 105 x 58 x 34mm (4.1" x 2.3" x 1.3")
DXO scores
DXO All around 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 870 shots 250 shots
Type of battery Built-in Battery Pack
Battery ID - D-LI68
Self timer Yes (2 or 12 secs, custom) Yes (2 or 12 sec)
Time lapse recording
Type of storage - SD/SDHC/SDXC card
Storage slots Two 1
Cost at launch $2,999 $250