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Olympus SZ-31MR iHS vs Pentax WG-3

Portability
89
Imaging
39
Features
47
Overall
42
Olympus SZ-31MR iHS front
 
Pentax WG-3 front
Portability
90
Imaging
40
Features
44
Overall
41

Olympus SZ-31MR iHS vs Pentax WG-3 Key Specs

Olympus SZ-31MR iHS
(Full Review)
  • 16MP - 1/2.3" Sensor
  • 3" Fixed Display
  • ISO 80 - 6400
  • Sensor-shift Image Stabilization
  • 1920 x 1080 video
  • 25-600mm (F3.0-6.9) lens
  • 226g - 106 x 69 x 40mm
  • Introduced February 2012
Pentax WG-3
(Full Review)
  • 16MP - 1/2.3" Sensor
  • 3" Fixed Display
  • ISO 125 - 6400
  • Sensor-shift Image Stabilization
  • 1920 x 1080 video
  • 25-100mm (F2.0-4.9) lens
  • 230g - 124 x 64 x 33mm
  • Introduced July 2013
Photography Glossary

Olympus SZ-31MR iHS vs Pentax WG-3 Overview

The following is a thorough overview of the Olympus SZ-31MR iHS vs Pentax WG-3, one is a Small Sensor Superzoom and the other is a Waterproof by rivals Olympus and Pentax. The image resolution of the SZ-31MR iHS (16MP) and the WG-3 (16MP) is fairly well matched and they use the same exact sensor sizes (1/2.3").

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The SZ-31MR iHS was released 17 months before the WG-3 making the cameras a generation away from one another. Both cameras offer the identical body type (Compact).

Before going through a detailed comparison, below is a quick view of how the SZ-31MR iHS matches up versus the WG-3 when it comes to portability, imaging, features and an overall mark.

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Reasons to pick Olympus SZ-31MR iHS over the Pentax WG-3

 SZ-31MR iHS WG-3 
Display resolution920k460kCrisper display (+460k dot)
Touch friendly display Easily navigate

Reasons to pick Pentax WG-3 over the Olympus SZ-31MR iHS

 WG-3 SZ-31MR iHS 
IntroducedJuly 2013February 2012Newer by 17 months
Manual focus Dial accurate focusing

Common features in the Olympus SZ-31MR iHS and Pentax WG-3

 SZ-31MR iHS WG-3 
Display typeFixed Fixed Fixed display
Display sizing3"3"Equivalent display dimensions
Selfie screen Lack of selfie screen

Olympus SZ-31MR iHS vs Pentax WG-3 Physical Comparison

For those who are looking to travel with your camera frequently, you're going to have to factor in its weight and measurements. The Olympus SZ-31MR iHS has external measurements of 106mm x 69mm x 40mm (4.2" x 2.7" x 1.6") with a weight of 226 grams (0.50 lbs) whilst the Pentax WG-3 has proportions of 124mm x 64mm x 33mm (4.9" x 2.5" x 1.3") accompanied by a weight of 230 grams (0.51 lbs).

Take a look at the Olympus SZ-31MR iHS vs Pentax WG-3 in the all new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Do not forget, the weight of an Interchangeable Lens Camera will change depending on the lens you are utilizing at that moment. Underneath is the front view dimension comparison of the SZ-31MR iHS versus the WG-3.

Olympus SZ-31MR iHS vs Pentax WG-3 size comparison

Considering dimensions and weight, the portability score of the SZ-31MR iHS and WG-3 is 89 and 90 respectively.

Olympus SZ-31MR iHS vs Pentax WG-3 top view buttons comparison

Olympus SZ-31MR iHS vs Pentax WG-3 Sensor Comparison

Quite often, it's difficult to envision the gap between sensor dimensions just by checking specs. The image underneath should provide you a much better sense of the sensor sizing in the SZ-31MR iHS and WG-3.

As you can plainly see, both cameras offer the same exact sensor sizing and the identical resolution therefore you should expect similar quality of images though you would want to consider the production date of the products into consideration. The more aged SZ-31MR iHS is going to be behind in sensor tech.

Olympus SZ-31MR iHS vs Pentax WG-3 sensor size comparison

Olympus SZ-31MR iHS vs Pentax WG-3 Screen and ViewFinder

Olympus SZ-31MR iHS vs Pentax WG-3 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Portrait photography with Olympus SZ-31MR iHS
Portrait photography with Pentax WG-3
34
decent sensor resolution (16 megapixels)
includes face detect focusing
manual focus not available
manual mode not available
no external flash support
tiny sensor size (1/2.3")
has no RAW support
41
has manual focus
resolution is good (16 megapixels)
comes with face detection autofocus
manual exposure not available
can't use external flash
sensor size is small (1/2.3")
lacks RAW files
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Street Comparison

Olympus SZ-31MR iHS Street photography advice
Pentax WG-3 Street photography advice
64
has image stabilization (Sensor-shift)
provides focus by touch
lighter than others (226 grams)
no moving screen
tiny sensor size (1/2.3")
has no RAW support
61
built in image stabilization (Sensor-shift)
weather sealing
no moving screen
sensor size is small (1/2.3")
lacks RAW files
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Sports Comparison

Olympus SZ-31MR iHS as a Sports photography camera
Pentax WG-3 as a Sports photography camera
44
excellent zoom range (25-600mm 24.0 x zoom)
has image stabilization (Sensor-shift)
decent sensor resolution (16MP)
includes tracking focus
no shutter priority
tiny sensor size (1/2.3")
low battery (200 per charge)
has no phase detect AF
45
built in image stabilization (Sensor-shift)
resolution is good (16 megapixels)
comes with tracking autofocus
weather sealing
no shutter priority
sensor size is small (1/2.3")
terrible battery (240 per charge)
lacks phase detect autofocus
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Travel Comparison

Olympus SZ-31MR iHS Travel photography details
Pentax WG-3 Travel photography details
67
lighter than others (226g)
provides focus by touch
decent sensor resolution (16 megapixels)
flash built-in
rather wide (25mm)
long reach (600mm)
doesn't have Time Lapse recording
low battery (200 CIPA)
screen is not selfie friendly
sluggish maximum aperture (f3.0)
72
weather sealing
resolution is good (16 megapixels)
flash built-in
fairly wide (25mm)
good maximum aperture (f2.0)
terrible battery (240 per charge)
display isn't selfie friendly
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Landscape Comparison

Olympus SZ-31MR iHS Landscape photography information
Pentax WG-3 Landscape photography information
41
rather wide (25mm)
pretty good screen size (3")
has image stabilization (Sensor-shift)
decent sensor resolution (16MP)
manual focus not available
can't change lenses (fixed lens mount)
sluggish maximum aperture (f3.0)
manual mode not available
tiny sensor size (1/2.3")
has no RAW support
low battery (200 shots)
doesn't have Time Lapse recording
54
has manual focus
fairly wide (25mm)
good maximum aperture (f2.0)
screen is a good size (3 inches)
built in image stabilization (Sensor-shift)
resolution is good (16MP)
weather sealing
fixed lens (fixed lens mount)
manual exposure not available
sensor size is small (1/2.3")
lacks RAW files
terrible battery (240 per charge)
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Vlogging Comparison

Olympus SZ-31MR iHS Vlogging information
Pentax WG-3 Vlogging information
35
rather wide (25mm)
touchscreen
has image stabilization (Sensor-shift)
includes face detect focusing
video resolution high (1920 x 1080 resolution)
lighter than others (226g)
sluggish maximum aperture (f3.0)
screen is not selfie friendly
doesn't have mic port
36
fairly wide (25mm)
good maximum aperture (f2.0)
built in image stabilization (Sensor-shift)
comes with face detection autofocus
great video quality (1920 x 1080 pxls)
display isn't selfie friendly
lack of external microphone jack
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Olympus SZ-31MR iHS vs Pentax WG-3 Specifications

Detailed spec comparison table for Olympus SZ-31MR iHS and Pentax WG-3
 Olympus SZ-31MR iHSPentax WG-3
General Information
Brand Olympus Pentax
Model Olympus SZ-31MR iHS Pentax WG-3
Class Small Sensor Superzoom Waterproof
Introduced 2012-02-08 2013-07-19
Body design Compact Compact
Sensor Information
Chip Dual TruePic V -
Sensor type BSI-CMOS BSI-CMOS
Sensor size 1/2.3" 1/2.3"
Sensor measurements 6.17 x 4.55mm 6.17 x 4.55mm
Sensor surface area 28.1mm² 28.1mm²
Sensor resolution 16 megapixel 16 megapixel
Anti aliasing filter
Aspect ratio 4:3 and 16:9 1:1, 4:3 and 16:9
Maximum resolution 4608 x 3456 4608 x 3456
Maximum native ISO 6400 6400
Min native ISO 80 125
RAW pictures
Autofocusing
Focus manually
Autofocus touch
Continuous autofocus
Autofocus single
Tracking autofocus
Selective autofocus
Center weighted autofocus
Autofocus multi area
Autofocus live view
Face detect focus
Contract detect focus
Phase detect focus
Number of focus points - 9
Cross focus points - -
Lens
Lens mount fixed lens fixed lens
Lens focal range 25-600mm (24.0x) 25-100mm (4.0x)
Largest aperture f/3.0-6.9 f/2.0-4.9
Macro focus distance 1cm 1cm
Crop factor 5.8 5.8
Screen
Display type Fixed Type Fixed Type
Display size 3 inch 3 inch
Display resolution 920 thousand dot 460 thousand dot
Selfie friendly
Liveview
Touch operation
Display tech Hypercrystal III TFT Color LCD Widescreen TFT color LCD with anti-reflective coating
Viewfinder Information
Viewfinder type None None
Features
Slowest shutter speed 4 secs 4 secs
Maximum shutter speed 1/1700 secs 1/4000 secs
Continuous shooting speed 7.0 frames/s 10.0 frames/s
Shutter priority
Aperture priority
Manually set exposure
Set white balance
Image stabilization
Built-in flash
Flash range 9.30 m 3.40 m
Flash settings Auto, On, Off, Red-Eye, Fill-in Auto, On, Off, Red-eye, Soft
Hot shoe
Auto exposure bracketing
White balance bracketing
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Video resolutions 1920 x 1080 (30 fps), 1280 x 720 (30 fps), 640 x 480 (30 fps), 320 x 180 (30fps) 1920 x 1080 (30 fps), 1280 x 720 (60, 30 fps)
Maximum video resolution 1920x1080 1920x1080
Video format MPEG-4, H.264 MPEG-4, H.264
Microphone input
Headphone input
Connectivity
Wireless Eye-Fi Connected 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 226g (0.50 lbs) 230g (0.51 lbs)
Dimensions 106 x 69 x 40mm (4.2" x 2.7" x 1.6") 124 x 64 x 33mm (4.9" x 2.5" 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 200 images 240 images
Type of battery Battery Pack Battery Pack
Battery model LI-50B D-LI92
Self timer Yes (2 or 12 sec, pet auto shutter) Yes (2 or 10 sec)
Time lapse shooting
Type of storage SD/SDHC/SDXC SD/SDHC/SDXC card, Internal
Storage slots 1 1
Cost at launch $0 $300