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Olympus E-M5 III vs Pentax RZ10

Portability
80
Imaging
62
Features
88
Overall
72
Olympus OM-D E-M5 III front
 
Pentax Optio RZ10 front
Portability
92
Imaging
37
Features
31
Overall
34

Olympus E-M5 III vs Pentax RZ10 Key Specs

Olympus E-M5 III
(Full Review)
  • 20MP - Four Thirds Sensor
  • 3" Fully Articulated Screen
  • ISO 200 - 25600
  • Sensor based 5-axis Image Stabilization
  • 1/8000s Max Shutter
  • 4096 x 2160 video
  • Micro Four Thirds Mount
  • 414g - 125 x 85 x 50mm
  • Revealed October 2019
  • Superseded the Olympus E-M5 II
  • Newer Model is OM System OM-5
Pentax RZ10
(Full Review)
  • 14MP - 1/2.3" Sensor
  • 2.7" Fixed Display
  • ISO 80 - 6400
  • Sensor-shift Image Stabilization
  • 1280 x 720 video
  • 28-280mm (F3.2-5.9) lens
  • 178g - 97 x 61 x 33mm
  • Introduced July 2011
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Olympus E-M5 III vs Pentax RZ10 Overview

Here, we are reviewing the Olympus E-M5 III and Pentax RZ10, former is a Advanced Mirrorless while the other is a Small Sensor Compact by companies Olympus and Pentax. There exists a substantial gap among the resolutions of the E-M5 III (20MP) and RZ10 (14MP) and the E-M5 III (Four Thirds) and RZ10 (1/2.3") posses different sensor dimensions.

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The E-M5 III was revealed 8 years after the RZ10 which is a fairly big difference as far as camera technology is concerned. Each of these cameras feature different body design with the Olympus E-M5 III being a SLR-style mirrorless camera and the Pentax RZ10 being a Compact camera.

Before getting straight to a step-by-step comparison, here is a short summation of how the E-M5 III scores against the RZ10 when considering portability, imaging, features and an overall mark.

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Reasons to pick Olympus E-M5 III over the Pentax RZ10

 E-M5 III RZ10 
IntroducedOctober 2019July 2011Newer by 101 months
Display typeFully ArticulatedFixed Fully Articulating display
Display size3"2.7"Larger display (+0.3")
Display resolution1040k230kClearer display (+810k dot)
Selfie screen Take selfies
Touch display Easily navigate

Reasons to pick Pentax RZ10 over the Olympus E-M5 III

 RZ10 E-M5 III 

Common features in the Olympus E-M5 III and Pentax RZ10

 E-M5 III RZ10 
Focus manually Very exact focus

Olympus E-M5 III vs Pentax RZ10 Physical Comparison

In case you're intending to travel with your camera, you are going to need to factor its weight and measurements. The Olympus E-M5 III features exterior measurements of 125mm x 85mm x 50mm (4.9" x 3.3" x 2.0") along with a weight of 414 grams (0.91 lbs) and the Pentax RZ10 has proportions of 97mm x 61mm x 33mm (3.8" x 2.4" x 1.3") and a weight of 178 grams (0.39 lbs).

Compare the Olympus E-M5 III and Pentax RZ10 in our brand new Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into account, the weight of an ILC will vary dependant on the lens you are utilizing at that moment. Below is a front view measurement comparison of the E-M5 III versus the RZ10.

Olympus E-M5 III vs Pentax RZ10 size comparison

Considering dimensions and weight, the portability grade of the E-M5 III and RZ10 is 80 and 92 respectively.

Olympus E-M5 III vs Pentax RZ10 top view buttons comparison

Olympus E-M5 III vs Pentax RZ10 Sensor Comparison

Quite often, its hard to imagine the gap in sensor dimensions merely by viewing technical specs. The picture here will give you a better sense of the sensor measurements in the E-M5 III and RZ10.

As you have seen, both of these cameras come with different megapixel count and different sensor dimensions. The E-M5 III using its larger sensor is going to make getting shallower depth of field simpler and the Olympus E-M5 III will result in extra detail because of its extra 6MP. Greater resolution will also enable you to crop photos a good deal more aggressively. The younger E-M5 III should have an edge when it comes to sensor tech.

Olympus E-M5 III vs Pentax RZ10 sensor size comparison

Olympus E-M5 III vs Pentax RZ10 Screen and ViewFinder

Olympus E-M5 III vs Pentax RZ10 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Portrait photography with Olympus E-M5 III
Portrait photography with Pentax RZ10
77
you can focus manually
good resolution (20 megapixels)
nice sensor size (Four Thirds)
features face detect focusing
saves RAW formats
35
has manual focus
decent sensor resolution (14MP)
no manual exposure
can't use external flash
sensor size is very small (1/2.3")
does not have RAW files
Photography Glossary

Street Comparison

Olympus E-M5 III Street photography info
Pentax RZ10 Street photography info
83
fully articulated screen
built in image stabilization (Sensor based 5-axis)
nice sensor size (Four Thirds)
saves RAW formats
boasts touch to focus
weather proof
good high ISO (25,600)
61
image stabilization (Sensor-shift)
weather proof
no moving screen
sensor size is very small (1/2.3")
does not have RAW files
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Sports Comparison

Olympus E-M5 III as a Sports photography camera
Pentax RZ10 as a Sports photography camera
76
high shutter speed (1/8,000 seconds)
quiet shooting (1/32,000 seconds)
fast continuous shooting (30.0 fps)
built in image stabilization (Sensor based 5-axis)
good resolution (20MP)
nice sensor size (Four Thirds)
features tracking focus
weather proof
sensor has phase detect AF
bad battery (310 CIPA)
40
image stabilization (Sensor-shift)
decent sensor resolution (14 megapixels)
supports tracking autofocus
weather proof
continuous shooting slow (1.0 fps)
lack of shutter priority mode
sensor size is very small (1/2.3")
terrible battery power (178 per charge)
does not have phase detect autofocus
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Travel Comparison

Travel photography with Olympus E-M5 III
Travel photography with Pentax RZ10
77
weather proof
has bluetooth
boasts touch to focus
good resolution (20MP)
selfie friendly screen
bad battery (310 shots)
66
weather proof
decent sensor resolution (14MP)
flash built-in
reasonably wide (28mm)
very long zoom (280mm)
missing Time Lapse mode
terrible battery power (178 CIPA)
screen isn't selfie friendly
somewhat slow max aperture (f3.2)
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Landscape Comparison

Olympus E-M5 III Landscape photography information
Pentax RZ10 Landscape photography information
77
you can focus manually
interchangeable lenses (Micro Four Thirds mount)
good sized screen (3 inch)
built in image stabilization (Sensor based 5-axis)
good resolution (20 megapixels)
nice sensor size (Four Thirds)
good high ISO (25,600)
saves RAW formats
weather proof
bad battery (310 per charge)
43
has manual focus
reasonably wide (28mm)
image stabilization (Sensor-shift)
decent sensor resolution (14 megapixels)
weather proof
fixed lens (fixed lens mount)
somewhat slow max aperture (f3.2)
tiny screen (2.7 inches)
no manual exposure
sensor size is very small (1/2.3")
does not have RAW files
terrible battery power (178 per charge)
missing Time Lapse mode
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Vlogging Comparison

Olympus E-M5 III Vlogging details
Pentax RZ10 Vlogging details
84
selfie friendly screen
touch screen
built in image stabilization (Sensor based 5-axis)
features face detect focusing
high quality video (4096 x 2160 resolution)
includes microphone jack
28
reasonably wide (28mm)
image stabilization (Sensor-shift)
somewhat slow max aperture (f3.2)
screen isn't selfie friendly
low video resolution (1280 x 720 resolution)
missing external mic port
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Olympus E-M5 III vs Pentax RZ10 Specifications

Detailed spec comparison table for Olympus E-M5 III and Pentax RZ10
 Olympus OM-D E-M5 IIIPentax Optio RZ10
General Information
Make Olympus Pentax
Model Olympus OM-D E-M5 III Pentax Optio RZ10
Type Advanced Mirrorless Small Sensor Compact
Revealed 2019-10-17 2011-07-19
Body design SLR-style mirrorless Compact
Sensor Information
Powered by TruePic VIII -
Sensor type MOS 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 14 megapixels
Anti aliasing filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 1:1, 4:3 and 16:9
Maximum resolution 5184 x 3888 4288 x 3216
Maximum native ISO 25600 6400
Minimum native ISO 200 80
RAW format
Minimum boosted ISO 64 -
Autofocusing
Focus manually
Touch to focus
Continuous autofocus
Autofocus single
Autofocus tracking
Autofocus selectice
Center weighted autofocus
Autofocus multi area
Live view autofocus
Face detection focus
Contract detection focus
Phase detection focus
Number of focus points 121 9
Lens
Lens mounting type Micro Four Thirds fixed lens
Lens focal range - 28-280mm (10.0x)
Maximum aperture - f/3.2-5.9
Macro focus distance - 1cm
Number of lenses 107 -
Crop factor 2.1 5.9
Screen
Range of screen Fully Articulated Fixed Type
Screen sizing 3 inch 2.7 inch
Screen resolution 1,040k dot 230k dot
Selfie friendly
Liveview
Touch function
Screen technology - TFT color LCD with Anti-reflective coating
Viewfinder Information
Viewfinder type Electronic None
Viewfinder resolution 2,360k dot -
Viewfinder coverage 100 percent -
Viewfinder magnification 0.68x -
Features
Lowest shutter speed 60 secs 4 secs
Highest shutter speed 1/8000 secs 1/2000 secs
Highest silent shutter speed 1/32000 secs -
Continuous shooting speed 30.0fps 1.0fps
Shutter priority
Aperture priority
Manual exposure
Exposure compensation Yes -
Change white balance
Image stabilization
Built-in flash
Flash range no built-in flash 2.80 m
Flash settings Auto, redeye, fill, off, redeye slow sync, slow sync, 2nd-curtain slow sync, manual Auto, On, Off, Red-eye, Soft
External flash
AEB
WB bracketing
Highest flash sync 1/250 secs -
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
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)
Maximum video resolution 4096x2160 1280x720
Video data format MPEG-4, H.264 Motion JPEG
Mic jack
Headphone jack
Connectivity
Wireless Built-In Eye-Fi Connected
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environment seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 414 grams (0.91 lbs) 178 grams (0.39 lbs)
Physical dimensions 125 x 85 x 50mm (4.9" x 3.3" x 2.0") 97 x 61 x 33mm (3.8" x 2.4" x 1.3")
DXO scores
DXO All around 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 photographs 178 photographs
Style of battery Battery Pack Battery Pack
Battery model BLN-1 D-LI92
Self timer Yes (2 or 10 secs, custom) Yes (2 or 10 sec)
Time lapse shooting
Storage media SD/SDHC/SDXC (UHS-II supported) SD/SDHC, Internal
Storage slots 1 1
Price at launch $1,199 $200