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Pentax WG-3 GPS vs Sony A7S III

Portability
90
Imaging
40
Features
43
Overall
41
Pentax WG-3 GPS front
 
Sony Alpha A7S III front
Portability
61
Imaging
65
Features
92
Overall
75

Pentax WG-3 GPS vs Sony A7S III Key Specs

Pentax WG-3 GPS
(Full Review)
  • 16MP - 1/2.3" Sensor
  • 3" Fixed Screen
  • ISO 125 - 6400
  • Sensor-shift Image Stabilization
  • 1920 x 1080 video
  • 25-100mm (F2.0-4.9) lens
  • 238g - 125 x 64 x 33mm
  • Announced July 2013
Sony A7S III
(Full Review)
  • 12MP - Full frame Sensor
  • 3" Fully Articulated Display
  • ISO 80 - 102400 (Increase to 409600)
  • Sensor based 5-axis Image Stabilization
  • 1/8000s Maximum Shutter
  • 3840 x 2160 video
  • Sony E Mount
  • 699g - 129 x 97 x 81mm
  • Revealed July 2020
  • Superseded the Sony A7S II
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Pentax WG-3 GPS vs Sony A7S III Overview

Here is a extensive assessment of the Pentax WG-3 GPS and Sony A7S III, former being a Waterproof while the other is a Pro Mirrorless by brands Pentax and Sony. There exists a sizable gap between the image resolutions of the WG-3 GPS (16MP) and A7S III (12MP) and the WG-3 GPS (1/2.3") and A7S III (Full frame) possess different sensor size.

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The WG-3 GPS was announced 8 years before the A7S III and that is quite a significant difference as far as technology is concerned. Each of the cameras come with different body type with the Pentax WG-3 GPS being a Compact camera and the Sony A7S III being a SLR-style mirrorless camera.

Before diving through a more detailed comparison, below is a short view of how the WG-3 GPS grades versus the A7S III with regard to portability, imaging, features and an overall rating.

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Reasons to pick Pentax WG-3 GPS over the Sony A7S III

 WG-3 GPS A7S III 

Reasons to pick Sony A7S III over the Pentax WG-3 GPS

 A7S III WG-3 GPS 
RevealedJuly 2020July 2013Fresher by 85 months
Display typeFully articulatedFixed Fully Articulating display
Display resolution1440k460kClearer display (+980k dot)
Selfie screen Easy selfies
Touch friendly display Easily navigate

Common features in the Pentax WG-3 GPS and Sony A7S III

 WG-3 GPS A7S III 
Focus manually Very exact focus
Display dimension3"3"Identical display size

Pentax WG-3 GPS vs Sony A7S III Physical Comparison

In case you're looking to carry your camera, you have to consider its weight and size. The Pentax WG-3 GPS has got physical dimensions of 125mm x 64mm x 33mm (4.9" x 2.5" x 1.3") having a weight of 238 grams (0.52 lbs) whilst the Sony A7S III has specifications of 129mm x 97mm x 81mm (5.1" x 3.8" x 3.2") having a weight of 699 grams (1.54 lbs).

Contrast the Pentax WG-3 GPS and Sony A7S III in our completely new Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Bear in mind, the weight of an ILC will change dependant on the lens you are using at that moment. Underneath is the front view dimensions comparison of the WG-3 GPS vs the A7S III.

Pentax WG-3 GPS vs Sony A7S III size comparison

Taking into consideration dimensions and weight, the portability grade of the WG-3 GPS and A7S III is 90 and 61 respectively.

Pentax WG-3 GPS vs Sony A7S III top view buttons comparison

Pentax WG-3 GPS vs Sony A7S III Sensor Comparison

Quite often, it is very hard to visualize the contrast between sensor sizing purely by checking specs. The graphic here may provide you a far better sense of the sensor dimensions in the WG-3 GPS and A7S III.

All in all, both the cameras have got different megapixel count and different sensor sizing. The WG-3 GPS having a tinier sensor is going to make achieving bokeh trickier and the Pentax WG-3 GPS will resolve more detail with its extra 4 Megapixels. Greater resolution will allow you to crop pics much more aggressively. The older WG-3 GPS is going to be behind with regard to sensor tech.

Pentax WG-3 GPS vs Sony A7S III sensor size comparison

Pentax WG-3 GPS vs Sony A7S III Screen and ViewFinder

Pentax WG-3 GPS vs Sony A7S III Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax WG-3 GPS Portrait photography highlights
Sony A7S III Portrait photography highlights
41
you can focus manually
decent MP (16 megapixels)
comes with face detect focus
manual mode not possible
external flash not possible
sensor is tiny (1/2.3")
lacks RAW support
71
has manual focus
sensor size is great (Full frame)
supports face detection focusing
exports RAW formats
low MP (12 megapixels)
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Street Comparison

Pentax WG-3 GPS Street photography advice
Sony A7S III Street photography advice
59
built in image stabilization (Sensor-shift)
weather sealing
no moving screen
sensor is tiny (1/2.3")
lacks RAW support
more heavy than competitors in class (238g)
76
has image stabilization (Sensor based 5-axis)
sensor size is great (Full frame)
exports RAW formats
supports touch focus
weather proof
good ISO range (102,400)
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Sports Comparison

Pentax WG-3 GPS as a Sports photography camera
Sony A7S III as a Sports photography camera
45
built in image stabilization (Sensor-shift)
decent MP (16 megapixels)
comes with tracking focus
weather sealing
no shutter priority
sensor is tiny (1/2.3")
not so great battery life (240 per charge)
lacks phase detect auto focus
76
max shutter speed is good (1/8,000 seconds)
has image stabilization (Sensor based 5-axis)
sensor size is great (Full frame)
supports tracking autofocus
weather proof
better than average battery power (600 CIPA)
supports phase detect AF
low MP (12MP)
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Travel Comparison

Travel photography with Pentax WG-3 GPS
Travel photography with Sony A7S III
69
weather sealing
decent MP (16 megapixels)
built-in flash
pretty wide (25mm)
great max aperture (f2.0)
not so great battery life (240 shots)
more heavy than competitors in class (238 grams)
screen is not selfie friendly
70
better than average battery power (600 shots)
weather proof
connects via bluetooth
supports touch focus
selfie friendly display
low MP (12MP)
Photography Glossary

Landscape Comparison

Pentax WG-3 GPS Landscape photography features
Sony A7S III Landscape photography features
54
you can focus manually
pretty wide (25mm)
great max aperture (f2.0)
decent sized screen (3 inch)
built in image stabilization (Sensor-shift)
decent MP (16 megapixels)
weather sealing
can't swap lenses (fixed lens mount)
manual mode not possible
sensor is tiny (1/2.3")
lacks RAW support
not so great battery life (240 shots)
77
has manual focus
change lenses (Sony E mount)
nice screen size (3")
has image stabilization (Sensor based 5-axis)
sensor size is great (Full frame)
good ISO range (102,400)
exports RAW formats
weather proof
better than average battery power (600 shots)
has dual storage slots
low MP (12 megapixels)
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Vlogging Comparison

Pentax WG-3 GPS Vlogging details
Sony A7S III Vlogging details
34
pretty wide (25mm)
great max aperture (f2.0)
built in image stabilization (Sensor-shift)
comes with face detect focus
video res high (1920 x 1080 resolution)
screen is not selfie friendly
lack of microphone support
more heavy than competitors in class (238g)
77
selfie friendly display
built-in touchscreen
has image stabilization (Sensor based 5-axis)
supports face detection focusing
high quality video (3840 x 2160 pixels)
comes with external mic jack
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Pentax WG-3 GPS vs Sony A7S III Specifications

Detailed spec comparison table for Pentax WG-3 GPS and Sony A7S III
 Pentax WG-3 GPSSony Alpha A7S III
General Information
Make Pentax Sony
Model type Pentax WG-3 GPS Sony Alpha A7S III
Class Waterproof Pro Mirrorless
Announced 2013-07-19 2020-07-21
Body design Compact SLR-style mirrorless
Sensor Information
Powered by - Bionz XR
Sensor type BSI-CMOS BSI-CMOS
Sensor size 1/2.3" Full frame
Sensor dimensions 6.17 x 4.55mm 35.6 x 23.8mm
Sensor area 28.1mm² 847.3mm²
Sensor resolution 16 megapixels 12 megapixels
Anti alias filter
Aspect ratio 1:1, 4:3 and 16:9 3:2 and 16:9
Maximum resolution 4608 x 3456 4240 x 2832
Maximum native ISO 6400 102400
Maximum boosted ISO - 409600
Lowest native ISO 125 80
RAW support
Lowest boosted ISO - 50
Autofocusing
Manual focusing
Touch focus
Autofocus continuous
Autofocus single
Autofocus tracking
Selective autofocus
Center weighted autofocus
Multi area autofocus
Autofocus live view
Face detection autofocus
Contract detection autofocus
Phase detection autofocus
Total focus points 9 759
Lens
Lens support fixed lens Sony E
Lens zoom range 25-100mm (4.0x) -
Maximal aperture f/2.0-4.9 -
Macro focusing range 1cm -
Number of lenses - 121
Crop factor 5.8 1
Screen
Range of screen Fixed Type Fully articulated
Screen diagonal 3 inch 3 inch
Resolution of screen 460 thousand dot 1,440 thousand dot
Selfie friendly
Liveview
Touch friendly
Screen technology Widescreen TFT color LCD with anti-reflective coating -
Viewfinder Information
Viewfinder None Electronic
Viewfinder resolution - 9,440 thousand dot
Viewfinder coverage - 100%
Viewfinder magnification - 0.91x
Features
Lowest shutter speed 4 seconds 30 seconds
Highest shutter speed 1/4000 seconds 1/8000 seconds
Continuous shooting speed - 10.0fps
Shutter priority
Aperture priority
Manual exposure
Exposure compensation - Yes
Set white balance
Image stabilization
Inbuilt flash
Flash distance 3.40 m no built-in flash
Flash modes Auto, On, Off, Red-eye, Soft no built-in flash
Hot shoe
AEB
WB bracketing
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Supported video resolutions 1920 x 1080 (30 fps), 1280 x 720 (60, 30 fps) 3840 x 2160 @ 120p / 280 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 100p / 280 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 60p / 200 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 50p / 200 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 30p / 140 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 25p / 140 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 24p / 100 Mbps, XAVC S, MP4, H.265, Linear PCM 1920 x 1080 @ 120p / 100 Mbps, XAVC S, MP4, H.264, Linear PCM 1920 x 1080 @ 100p / 100 Mbps, XAVC S, MP4, H.264, Linear PCM 1920 x 1080 @ 60p / 50 Mbps, XAVC S, MP4, H.264, Linear PCM 1920 x 1080 @ 50p / 50 Mbps, XAVC S, MP4, H.264, Linear PCM 1920 x 1080 @ 25p / 50 Mbps, XAVC S, MP4, H.264, Linear PCM 1920 x 1080 @ 24p / 50 Mbps, XAVC S, MP4, H.264, Linear PCM
Maximum video resolution 1920x1080 3840x2160
Video format MPEG-4, H.264 MPEG-4, XAVC S, XAVC HS, XAVC S-1, H.264, H.265
Mic input
Headphone input
Connectivity
Wireless Eye-Fi Connected Built-In
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 3.2 Gen 1 (5 GBit/sec)
GPS BuiltIn None
Physical
Environment seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 238 grams (0.52 pounds) 699 grams (1.54 pounds)
Dimensions 125 x 64 x 33mm (4.9" x 2.5" x 1.3") 129 x 97 x 81mm (5.1" x 3.8" x 3.2")
DXO scores
DXO All around rating not tested 85
DXO Color Depth rating not tested 23.6
DXO Dynamic range rating not tested 13.3
DXO Low light rating not tested 2993
Other
Battery life 240 photographs 600 photographs
Style of battery Battery Pack Battery Pack
Battery ID D-LI92 NP-FZ100
Self timer Yes (2 or 10 sec) Yes (2 or 10 sec; continuous (3 or 5 exposures))
Time lapse feature With downloadable app
Storage media SD/SDHC/SDXC card, Internal Dual SD/CFexpress Type A slots
Storage slots Single 2
Launch price $350 $3,499