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Olympus E-M1X vs Pentax RZ18

Portability
54
Imaging
61
Features
93
Overall
73
Olympus OM-D E-M1X front
 
Pentax Optio RZ18 front
Portability
92
Imaging
39
Features
37
Overall
38

Olympus E-M1X vs Pentax RZ18 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 Maximum Shutter
  • 4096 x 2160 video
  • Micro Four Thirds Mount
  • 997g - 144 x 147 x 75mm
  • Announced January 2019
  • Replaced the Olympus E-M1 II
Pentax RZ18
(Full Review)
  • 16MP - 1/2.3" Sensor
  • 3" Fixed Screen
  • ISO 80 - 6400
  • Sensor-shift Image Stabilization
  • 1280 x 720 video
  • 25-450mm (F3.5-5.9) lens
  • 178g - 97 x 61 x 33mm
  • Released September 2011
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Olympus E-M1X vs Pentax RZ18 Overview

Let's take a closer look at the Olympus E-M1X vs Pentax RZ18, one is a Pro Mirrorless and the latter is a Small Sensor Superzoom by companies Olympus and Pentax. There is a huge difference between the sensor resolutions of the E-M1X (20MP) and RZ18 (16MP) and the E-M1X (Four Thirds) and RZ18 (1/2.3") enjoy different sensor sizes.

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The E-M1X was manufactured 7 years after the RZ18 which is quite a significant gap as far as tech is concerned. Each of the cameras offer different body type with the Olympus E-M1X being a SLR-style mirrorless camera and the Pentax RZ18 being a Compact camera.

Before we go in to a detailed comparison, below is a quick overview of how the E-M1X scores vs the RZ18 when considering portability, imaging, features and an overall mark.

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Reasons to pick Olympus E-M1X over the Pentax RZ18

 E-M1X RZ18 
ReleasedJanuary 2019September 2011Newer by 90 months
Screen typeFully ArticulatedFixed Fully Articulating screen
Screen resolution1037k460kSharper screen (+577k dot)
Selfie screen Easy selfies
Touch screen Quickly navigate

Reasons to pick Pentax RZ18 over the Olympus E-M1X

 RZ18 E-M1X 

Common features in the Olympus E-M1X and Pentax RZ18

 E-M1X RZ18 
Manual focus Dial exact focusing
Screen sizing3"3"Equivalent screen dimensions

Olympus E-M1X vs Pentax RZ18 Physical Comparison

When you are planning to travel with your camera often, you have to think about its weight and dimensions. The Olympus E-M1X has exterior measurements of 144mm x 147mm x 75mm (5.7" x 5.8" x 3.0") having a weight of 997 grams (2.20 lbs) while the Pentax RZ18 has dimensions of 97mm x 61mm x 33mm (3.8" x 2.4" x 1.3") with a weight of 178 grams (0.39 lbs).

Analyze the Olympus E-M1X vs Pentax RZ18 in the new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Don't forget, the weight of an Interchangeable Lens Camera will change based on the lens you are working with at that moment. Below is the front view overall size comparison of the E-M1X compared to the RZ18.

Olympus E-M1X vs Pentax RZ18 size comparison

Considering size and weight, the portability rating of the E-M1X and RZ18 is 54 and 92 respectively.

Olympus E-M1X vs Pentax RZ18 top view buttons comparison

Olympus E-M1X vs Pentax RZ18 Sensor Comparison

Usually, it can be hard to imagine the gap between sensor dimensions just by reviewing specifications. The pic underneath will give you a greater sense of the sensor sizing in the E-M1X and RZ18.

Plainly, the two cameras offer different resolutions and different sensor dimensions. The E-M1X featuring a bigger sensor is going to make achieving bokeh easier and the Olympus E-M1X will deliver extra detail due to its extra 4 Megapixels. Higher resolution can also make it easier to crop shots a little more aggressively. The more modern E-M1X provides an advantage when it comes to sensor innovation.

Olympus E-M1X vs Pentax RZ18 sensor size comparison

Olympus E-M1X vs Pentax RZ18 Screen and ViewFinder

Olympus E-M1X vs Pentax RZ18 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Portrait photography with Olympus E-M1X
Portrait photography with Pentax RZ18
76
has manual focus
decent MP (20 megapixels)
sensor size is good (Four Thirds)
includes face detect focusing
supports RAW files
36
manual focus
good MP (16MP)
no manual control
external flash not possible
sensor is small (1/2.3")
no RAW support
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Street Comparison

Olympus E-M1X as a Street photography camera
Pentax RZ18 as a Street photography camera
67
screen articulates fully
built in image stabilization (Sensor based 5-axis)
sensor size is good (Four Thirds)
supports RAW files
has touch to focus
environment sealing
above average high ISO (25,600)
heavier than competitors in class (997g)
65
has image stabilization (Sensor-shift)
weather proof
lighter than average (178g)
no moving screen
sensor is small (1/2.3")
no RAW support
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Sports Comparison

Olympus E-M1X as a Sports photography camera
Pentax RZ18 as a Sports photography camera
80
high shutter speed (1/8,000 seconds)
silent shutter (1/32,000 seconds)
fast shooting (60.0 fps)
built in image stabilization (Sensor based 5-axis)
decent MP (20MP)
sensor size is good (Four Thirds)
includes tracking focus
environment sealing
better than average battery pack (870 CIPA)
has phase detect AF
47
great zoom range (25-450mm 18.0 x zoom)
has image stabilization (Sensor-shift)
good MP (16 megapixels)
includes tracking focus
weather proof
continuous shooting slow (1.0 frames per second)
lack of shutter priority mode
sensor is small (1/2.3")
no phase detect auto focus
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Travel Comparison

Olympus E-M1X Travel photography information
Pentax RZ18 Travel photography information
68
better than average battery pack (870 per charge)
environment sealing
supports bluetooth
has touch to focus
decent MP (20 megapixels)
screen is selfie friendly
heavier than competitors in class (997g)
71
lighter than average (178 grams)
weather proof
good MP (16MP)
built-in flash
decently wide (25mm)
long reach (450mm)
missing Time Lapse mode
display is not selfie friendly
somewhat slow maximum aperture (f3.5)
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Landscape Comparison

Olympus E-M1X as a Landscape photography camera
Pentax RZ18 as a Landscape photography camera
79
has manual focus
swap lenses (Micro Four Thirds mount)
pretty good screen size (3")
built in image stabilization (Sensor based 5-axis)
decent MP (20 megapixels)
sensor size is good (Four Thirds)
above average high ISO (25,600)
supports RAW files
environment sealing
better than average battery pack (870 shots)
two card slots
49
manual focus
decently wide (25mm)
nice screen size (3 inches)
has image stabilization (Sensor-shift)
good MP (16MP)
weather proof
can't switch lens (fixed lens mount)
somewhat slow maximum aperture (f3.5)
no manual control
sensor is small (1/2.3")
no RAW support
missing Time Lapse mode
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Vlogging Comparison

Olympus E-M1X Vlogging factors
Pentax RZ18 Vlogging factors
68
screen is selfie friendly
touchscreen
built in image stabilization (Sensor based 5-axis)
includes face detect focusing
high res video (4096 x 2160 pixels)
has mic socket
heavier than competitors in class (997 grams)
30
decently wide (25mm)
has image stabilization (Sensor-shift)
lighter than average (178 grams)
somewhat slow maximum aperture (f3.5)
display is not selfie friendly
low quality video (1280 x 720 pxls)
missing mic support
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Olympus E-M1X vs Pentax RZ18 Specifications

Detailed spec comparison table for Olympus E-M1X and Pentax RZ18
 Olympus OM-D E-M1XPentax Optio RZ18
General Information
Manufacturer Olympus Pentax
Model type Olympus OM-D E-M1X Pentax Optio RZ18
Class Pro Mirrorless Small Sensor Superzoom
Announced 2019-01-24 2011-09-12
Physical type SLR-style mirrorless Compact
Sensor Information
Processor Chip Dual TruePic VIII -
Sensor type CMOS CCD
Sensor size Four Thirds 1/2.3"
Sensor dimensions 17.4 x 13mm 6.08 x 4.56mm
Sensor surface area 226.2mm² 27.7mm²
Sensor resolution 20 megapixels 16 megapixels
Anti alias filter
Aspect ratio 4:3 1:1, 4:3 and 16:9
Full resolution 5184 x 3888 4608 x 3456
Max native ISO 25600 6400
Lowest native ISO 200 80
RAW photos
Lowest boosted ISO 64 -
Autofocusing
Manual focusing
Touch focus
Continuous autofocus
Autofocus single
Tracking autofocus
Selective autofocus
Autofocus center weighted
Autofocus multi area
Autofocus live view
Face detect focus
Contract detect focus
Phase detect focus
Total focus points 121 9
Lens
Lens support Micro Four Thirds fixed lens
Lens zoom range - 25-450mm (18.0x)
Maximal aperture - f/3.5-5.9
Macro focusing distance - 4cm
Total lenses 107 -
Crop factor 2.1 5.9
Screen
Type of display Fully Articulated Fixed Type
Display diagonal 3 inches 3 inches
Display resolution 1,037 thousand dots 460 thousand dots
Selfie friendly
Liveview
Touch function
Display technology - TFT color LCD with Anti-reflective coating
Viewfinder Information
Viewfinder Electronic None
Viewfinder resolution 2,360 thousand dots -
Viewfinder coverage 100% -
Viewfinder magnification 0.74x -
Features
Lowest shutter speed 60 seconds 4 seconds
Highest shutter speed 1/8000 seconds 1/2000 seconds
Highest quiet shutter speed 1/32000 seconds -
Continuous shooting rate 60.0 frames per second 1.0 frames per second
Shutter priority
Aperture priority
Manual mode
Exposure compensation Yes -
Set white balance
Image stabilization
Inbuilt flash
Flash distance no built-in flash 2.80 m
Flash settings Redeye, Fill-in, Flash Off, Red-eye Slow sync (1st curtain), Slow sync.(1st curtain), Slow sync (2nd curtain), manual Auto, On, Off, Red-eye, Soft
External flash
AE bracketing
White balance bracketing
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 1280 x 720 (30, 15 fps), 640 x 480 (30, 15 fps), 320 x 240 (30, 15 fps)
Max video resolution 4096x2160 1280x720
Video data format MPEG-4, H.264 Motion JPEG
Mic support
Headphone support
Connectivity
Wireless Built-In Eye-Fi Connected
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 sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 997 grams (2.20 lbs) 178 grams (0.39 lbs)
Dimensions 144 x 147 x 75mm (5.7" x 5.8" x 3.0") 97 x 61 x 33mm (3.8" x 2.4" 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 pictures -
Battery style Built-in -
Battery ID - D-LI92
Self timer Yes (2 or 12 secs, custom) Yes (2 or 10 sec)
Time lapse feature
Storage type - SD/SDHC/SDXC, Internal
Card slots Dual Single
Price at launch $2,999 $210