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Olympus E-M1 III vs Pentax WG-2

Portability
67 Imaging
62 Features
96 Overall
75
Olympus OM-D E-M1 Mark III front
 
Pentax Optio WG-2 front
Portability
91 Imaging
39 Features
37 Overall
38

Olympus E-M1 III vs Pentax WG-2 Key Specs

Olympus E-M1 III
(Full Review)
  • 20MP - Four Thirds Sensor
  • 3" Fully Articulated Display
  • ISO 200 - 25600
  • Sensor based 5-axis Image Stabilization
  • No Anti-Alias Filter
  • 1/8000s Maximum Shutter
  • 4096 x 2160 video
  • Micro Four Thirds Mount
  • 580g - 134 x 91 x 69mm
  • Launched February 2020
  • Superseded the Olympus E-M1 II
Pentax WG-2
(Full Review)
  • 16MP - 1/2.3" Sensor
  • 3" Fixed Screen
  • ISO 125 - 6400
  • 1920 x 1080 video
  • 28-140mm (F3.5-5.5) lens
  • 192g - 122 x 61 x 30mm
  • Announced February 2012
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Olympus E-M1 III vs Pentax WG-2 Overview

Following is a complete review of the Olympus E-M1 III and Pentax WG-2, former is a Pro Mirrorless while the latter is a Waterproof by manufacturers Olympus and Pentax. There is a considerable difference between the sensor resolutions of the E-M1 III (20MP) and WG-2 (16MP) and the E-M1 III (Four Thirds) and WG-2 (1/2.3") provide different sensor sizes.

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The E-M1 III was released 8 years after the WG-2 which is quite a large difference as far as tech is concerned. Each of the cameras feature different body design with the Olympus E-M1 III being a SLR-style mirrorless camera and the Pentax WG-2 being a Compact camera.

Before diving into a complete comparison, here is a quick highlight of how the E-M1 III matches up against the WG-2 in terms of portability, imaging, features and an overall score.

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Reasons to pick Olympus E-M1 III over the Pentax WG-2

		

		

			
 E-M1 III WG-2 
AnnouncedFebruary 2020February 2012More modern by 98 months
Screen typeFully ArticulatedFixed Fully Articulating screen
Screen resolution1037k460kSharper screen (+577k dot)
Selfie screen  Take selfies
Touch screen  Quickly navigate
		

	

	
	

		

		
Reasons to pick Pentax WG-2 over the Olympus E-M1 III

		

		

			
 WG-2 E-M1 III 
		

	

	
	

		

		
Common features in the Olympus E-M1 III and Pentax WG-2

		

		

			
 E-M1 III WG-2 
Manually focus  Dial precise focusing
Screen size3"3"Same screen dimensions
		

	

	

	
	
	
	

	

		

		
Olympus E-M1 III vs Pentax WG-2 Physical Comparison

		

		

			
If you're intending to carry around your camera frequently, you are going to need to take into account its weight and dimensions. The Olympus E-M1 III comes with outer measurements of 134mm x 91mm x 69mm (5.3" x 3.6" x 2.7") and a weight of 580 grams (1.28 lbs) whilst the Pentax WG-2 has dimensions of 122mm x 61mm x 30mm (4.8" x 2.4" x 1.2") accompanied by a weight of 192 grams (0.42 lbs).
Examine the Olympus E-M1 III and Pentax WG-2 in our completely new Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses
Remember that, the weight of an ILC will vary depending on the lens you select at that time. Here is a front view dimensions comparison of the E-M1 III and the WG-2.
Olympus E-M1 III vs Pentax WG-2 size comparison
Considering size and weight, the portability grade of the E-M1 III and WG-2 is 67 and 91 respectively.
Olympus E-M1 III vs Pentax WG-2 top view buttons comparison		

	

	
	

		

		
Olympus E-M1 III vs Pentax WG-2 Sensor Comparison

		

		

			
Oftentimes, its hard to visualize the difference between sensor sizes purely by going over specifications. The image below will help offer you a stronger sense of the sensor sizing in the E-M1 III and WG-2.
Plainly, both of the cameras feature different megapixels and different sensor sizes. The E-M1 III featuring a bigger sensor is going to make shooting shallow DOF less difficult and the Olympus E-M1 III will offer you extra detail as a result of its extra 4MP. Higher resolution can also help you crop shots way more aggressively. The younger E-M1 III should have a benefit in sensor tech.
	
			Olympus E-M1 III vs Pentax WG-2 sensor size comparison			
		

	

	
	

		

		
Olympus E-M1 III vs Pentax WG-2 Screen and ViewFinder

		

		

					

		Olympus E-M1 III vs Pentax WG-2 Screen and Viewfinder comparison	

	
			Photography Glossary	

	
	
	
	

	

		
Photography Type Scores

		

	

	
Portrait Comparison
Olympus E-M1 III Portrait photography factors
Pentax WG-2 Portrait photography factors
77
 you can focus manually
 MP count decent (20 megapixels)
 good sensor size (Four Thirds)
 features face detect focusing
 delivers RAW formats
40
 focusing manually
 good  resolution (16 megapixels)
 has face detection autofocus
 no manual mode
 cannot use external flash
 very small sensor (1/2.3")
 no RAW format
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Street Comparison
Olympus E-M1 III Street photography information
Pentax WG-2 Street photography information
78
 screen articulates
 has image stabilization (Sensor based 5-axis)
 good sensor size (Four Thirds)
 delivers RAW formats
 comes with focus via touch
 environment proof
 above average ISO range (25,600)
54
 weather sealing
 screen is fixed
 no image stabilization
 very small sensor (1/2.3")
 no RAW format
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Sports Comparison
Olympus E-M1 III Sports photography highlights
Pentax WG-2 Sports photography highlights
81
 great max shutter speed (1/8,000s)
 silent mode (1/32,000s)
 max fps high (60.0 frames per second)
 has image stabilization (Sensor based 5-axis)
 MP count decent (20 megapixels)
 good sensor size (Four Thirds)
 features tracking focus
 environment proof
 comes with phase detect AF
38
 good  resolution (16 megapixels)
 has tracking autofocus
 weather sealing
 low fps (1.0 frames per second)
 no shutter priority
 no image stabilization
 very small sensor (1/2.3")
 no phase detect autofocus
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Travel Comparison
Travel photography with Olympus E-M1 III
Travel photography with Pentax WG-2
79
 environment proof
 has bluetooth
 comes with focus via touch
 MP count decent (20 megapixels)
 selfie friendly display
70
 weather sealing
 good  resolution (16MP)
 flash built-in
 relatively wide (28mm)
 does not offer selfie friendly display
 slow maximum aperture (f3.5)
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Landscape Comparison
Olympus E-M1 III Landscape photography info
Pentax WG-2 Landscape photography info
81
 you can focus manually
 change lenses (Micro Four Thirds mount)
 screen is a decent size (3 inch)
 has image stabilization (Sensor based 5-axis)
 MP count decent (20MP)
 good sensor size (Four Thirds)
 no low pass filter
 above average ISO range (25,600)
 delivers RAW formats
 environment proof
 two card slots
47
 focusing manually
 relatively wide (28mm)
 pretty good screen size (3 inch)
 good  resolution (16 megapixels)
 weather sealing
 lens is fixed (fixed lens mount)
 slow maximum aperture (f3.5)
 no manual mode
 no image stabilization
 very small sensor (1/2.3")
 no RAW format
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Vlogging Comparison
Vlogging with Olympus E-M1 III
Vlogging with Pentax WG-2
79
 selfie friendly display
 touchscreen enabled
 has image stabilization (Sensor based 5-axis)
 features face detect focusing
 video resolution high (4096 x 2160 pixels)
 does have mic socket
30
 relatively wide (28mm)
 has face detection autofocus
 high video quality (1920 x 1080 resolution)
 slow maximum aperture (f3.5)
 does not offer selfie friendly display
 no image stabilization
 no external mic socket
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Olympus E-M1 III vs Pentax WG-2 Specifications

		

		

					

		
		

			Detailed spec comparison table for Olympus E-M1 III and Pentax WG-2
 Olympus OM-D E-M1 Mark IIIPentax Optio WG-2
General Information
Brand Olympus Pentax
Model Olympus OM-D E-M1 Mark III Pentax Optio WG-2
Class Pro Mirrorless Waterproof
Launched 2020-02-11 2012-02-07
Physical type SLR-style mirrorless Compact
Sensor Information
Powered by TruePic IX -
Sensor type CMOS BSI-CMOS
Sensor size Four Thirds 1/2.3"
Sensor dimensions 17.4 x 13mm 6.17 x 4.55mm
Sensor surface area 226.2mm² 28.1mm²
Sensor resolution 20 megapixels 16 megapixels
Anti aliasing filter    
Aspect ratio 4:3 1:1, 4:3 and  16:9
Peak resolution 5184 x 3888 4288 x 3216
Highest native ISO 25600 6400
Min native ISO 200 125
RAW data    
Min enhanced ISO 64 -
Autofocusing
Focus manually    
Touch focus    
Continuous autofocus    
Single autofocus    
Autofocus tracking    
Autofocus selectice    
Autofocus center weighted    
Autofocus multi area    
Live view autofocus    
Face detect focus    
Contract detect focus    
Phase detect focus    
Number of focus points 121 9
Cross focus points 121 -
Lens
Lens mount Micro Four Thirds fixed lens
Lens focal range - 28-140mm (5.0x)
Maximum aperture - f/3.5-5.5
Macro focus range - 1cm
Number of lenses 107 -
Crop factor 2.1 5.8
Screen
Display type Fully Articulated Fixed Type
Display sizing 3 inches 3 inches
Resolution of display 1,037k dots 460k dots
Selfie friendly    
Liveview    
Touch capability    
Display technology - Widescreen TFT color LCD with anti-reflective coating
Viewfinder Information
Viewfinder Electronic None
Viewfinder resolution 2,360k dots -
Viewfinder coverage 100 percent -
Viewfinder magnification 0.74x -
Features
Min shutter speed 60 secs 4 secs
Max shutter speed 1/8000 secs 1/4000 secs
Max quiet shutter speed 1/32000 secs -
Continuous shutter rate 60.0 frames/s 1.0 frames/s
Shutter priority    
Aperture priority    
Manually set exposure    
Exposure compensation Yes -
Custom white balance    
Image stabilization    
Inbuilt flash    
Flash range no built-in flash 5.40 m
Flash options 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    
AEB    
WB bracketing    
Max flash synchronize 1/250 secs -
Exposure
Multisegment exposure    
Average exposure    
Spot exposure    
Partial exposure    
AF area exposure    
Center weighted exposure    
Video features
Video resolutions 4096 x 2160 @ 24p / 237 Mbps, MOV, H.264, Linear PCM3840 x 2160 @ 30p / 102 Mbps, MOV, H.264, Linear PCM3840 x 2160 @ 25p / 102 Mbps, MOV, H.264, Linear PCM3840 x 2160 @ 23.98p / 102 Mbps, MOV, H.264, Linear PCM1920 x 1080 @ 60p, MOV, H.264, Linear PCM1920 x 1080 @ 50p, MOV, H.264, Linear PCM1920 x 1080 @ 30p, MOV, H.264, Linear PCM1920 x 1080 @ 25p, MOV, H.264, Linear PCM1920 x 1080 @ 23.98p, MOV, H.264, Linear PCM 1920 x 1080 (30 fps), 1280 x 720 (60, 30 fps), 640 x 480 (30fps), 320 x 240 (30, 15 fps)
Highest video resolution 4096x2160 1920x1080
Video file format MPEG-4, H.264 MPEG-4, H.264
Mic port    
Headphone port    
Connectivity
Wireless Built-In Eye-Fi Connected
Bluetooth    
NFC    
HDMI    
USB USB 3.1 Gen 1 (5 GBit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environment sealing    
Water proof    
Dust proof    
Shock proof    
Crush proof    
Freeze proof    
Weight 580g (1.28 lbs) 192g (0.42 lbs)
Physical dimensions 134 x 91 x 69mm (5.3" x 3.6" x 2.7") 122 x 61 x 30mm (4.8" x 2.4" x 1.2")
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 420 photos 260 photos
Battery type Battery Pack Battery Pack
Battery model BLH-1 D-LI92
Self timer Yes (2 or 12 secs, custom) Yes (2 or 10 sec)
Time lapse shooting    
Type of storage Dual SD/SDHC/SDXC slots (UHS-II on first slot) SD/SDHC/SDXC card, Internal
Card slots Dual Single
Cost at release $1,800 $350