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Pentax WG-2 GPS vs Sony A7S

Portability
91
Imaging
39
Features
37
Overall
38
Pentax Optio WG-2 GPS front
 
Sony Alpha A7S front
Portability
77
Imaging
60
Features
73
Overall
65

Pentax WG-2 GPS vs Sony A7S Key Specs

Pentax WG-2 GPS
(Full Review)
  • 16MP - 1/2.3" Sensor
  • 3" Fixed Display
  • ISO 125 - 6400
  • 1920 x 1080 video
  • 28-140mm (F3.5-5.5) lens
  • 198g - 122 x 61 x 30mm
  • Introduced February 2012
Sony A7S
(Full Review)
  • 12MP - Full frame Sensor
  • 3" Tilting Display
  • ISO 100 - 409600
  • 1/8000s Maximum Shutter
  • 3840 x 2160 video
  • Sony E Mount
  • 489g - 127 x 94 x 48mm
  • Released April 2014
  • Replacement is Sony A7S II
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Pentax WG-2 GPS vs Sony A7S Overview

Lets look more closely at the Pentax WG-2 GPS versus Sony A7S, former being a Waterproof while the other is a Pro Mirrorless by manufacturers Pentax and Sony. There is a large difference among the sensor resolutions of the WG-2 GPS (16MP) and A7S (12MP) and the WG-2 GPS (1/2.3") and A7S (Full frame) come with totally different sensor size.

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The WG-2 GPS was manufactured 3 years prior to the A7S and that is a fairly serious difference as far as camera tech is concerned. Both of these cameras come with different body type with the Pentax WG-2 GPS being a Compact camera and the Sony A7S being a SLR-style mirrorless camera.

Before going in to a in depth comparison, below is a short summary of how the WG-2 GPS scores versus the A7S when it comes to portability, imaging, features and an overall rating.

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Reasons to pick Pentax WG-2 GPS over the Sony A7S

 WG-2 GPS A7S 

Reasons to pick Sony A7S over the Pentax WG-2 GPS

 A7S WG-2 GPS 
ReleasedApril 2014February 2012Fresher by 26 months
Display typeTiltingFixed Tilting display
Display resolution1230k460kClearer display (+770k dot)

Common features in the Pentax WG-2 GPS and Sony A7S

 WG-2 GPS A7S 
Manually focus Very exact focusing
Display dimension3"3"Identical display size
Selfie screen Neither comes with selfie screen
Touch friendly display Lacking Touch friendly display

Pentax WG-2 GPS vs Sony A7S Physical Comparison

If you are going to carry your camera often, you're going to have to factor in its weight and size. The Pentax WG-2 GPS comes with physical measurements of 122mm x 61mm x 30mm (4.8" x 2.4" x 1.2") having a weight of 198 grams (0.44 lbs) and the Sony A7S has specifications of 127mm x 94mm x 48mm (5.0" x 3.7" x 1.9") with a weight of 489 grams (1.08 lbs).

Check out the Pentax WG-2 GPS versus Sony A7S in our brand new Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Remember that, the weight of an ILC will differ dependant on the lens you are employing at that moment. Following is the front view over all size comparison of the WG-2 GPS versus the A7S.

Pentax WG-2 GPS vs Sony A7S size comparison

Factoring in size and weight, the portability score of the WG-2 GPS and A7S is 91 and 77 respectively.

Pentax WG-2 GPS vs Sony A7S top view buttons comparison

Pentax WG-2 GPS vs Sony A7S Sensor Comparison

Often, its tough to envision the gap in sensor sizing only by checking out a spec sheet. The graphic here will give you a stronger sense of the sensor measurements in the WG-2 GPS and A7S.

As you can see, both the cameras posses different resolutions and different sensor sizing. The WG-2 GPS due to its smaller sensor will make shooting shallow depth of field more challenging and the Pentax WG-2 GPS will show greater detail due to its extra 4 Megapixels. Greater resolution will enable you to crop photos somewhat more aggressively. The older WG-2 GPS will be behind with regard to sensor tech.

Pentax WG-2 GPS vs Sony A7S sensor size comparison

Pentax WG-2 GPS vs Sony A7S Screen and ViewFinder

Pentax WG-2 GPS vs Sony A7S Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax WG-2 GPS Portrait photography details
Sony A7S Portrait photography details
40
focusing manually
good resolution (16MP)
features face detection autofocus
no manual exposure
external flash not possible
small sensor (1/2.3")
doesn't have RAW format
68
has manual focus
sensor size is great (Full frame)
includes face detection autofocus
saves RAW files
resolution not great (12MP)
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Street Comparison

Pentax WG-2 GPS as a Street photography camera
Sony A7S as a Street photography camera
54
weather sealing
no articulating screen
does not have image stabilization
small sensor (1/2.3")
doesn't have RAW format
76
screen tilts up and down
sensor size is great (Full frame)
saves RAW files
environment proofing
lighter than competition in class (489g)
very good ISO range (409,600)
lack of image stabilization
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Sports Comparison

Pentax WG-2 GPS Sports photography information
Sony A7S Sports photography information
38
good resolution (16MP)
features tracking autofocus
weather sealing
painfully slow continuous shooting (1.0 frames/s)
no shutter priority
does not have image stabilization
small sensor (1/2.3")
doesn't have phase detect autofocus
52
max shutter speed is good (1/8,000s)
sensor size is great (Full frame)
includes tracking autofocus
environment proofing
slow frames per second (5.0 frames/s)
lack of image stabilization
resolution not great (12 megapixels)
not so great battery (360 shots)
lack of phase detect autofocus
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Travel Comparison

Travel photography with Pentax WG-2 GPS
Travel photography with Sony A7S
70
weather sealing
good resolution (16MP)
built-in flash
fairly wide (28mm)
display isn't selfie friendly
slow max aperture (f3.5)
58
lighter than competition in class (489g)
environment proofing
not so great battery (360 shots)
resolution not great (12 megapixels)
display isn't selfie friendly
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Landscape Comparison

Landscape photography with Pentax WG-2 GPS
Landscape photography with Sony A7S
47
focusing manually
fairly wide (28mm)
screen size is good (3 inch)
good resolution (16MP)
weather sealing
cannot switch lens (fixed lens mount)
slow max aperture (f3.5)
no manual exposure
does not have image stabilization
small sensor (1/2.3")
doesn't have RAW format
66
has manual focus
switch lenses (Sony E mount)
good sized screen (3")
sensor size is great (Full frame)
very good ISO range (409,600)
saves RAW files
environment proofing
lack of image stabilization
resolution not great (12MP)
not so great battery (360 CIPA)
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Vlogging Comparison

Vlogging with Pentax WG-2 GPS
Vlogging with Sony A7S
30
fairly wide (28mm)
features face detection autofocus
high res video (1920 x 1080 pixels)
slow max aperture (f3.5)
display isn't selfie friendly
does not have image stabilization
lack of external microphone socket
34
includes face detection autofocus
video res high (3840 x 2160 pixels)
includes external mic port
lighter than competition in class (489g)
display isn't selfie friendly
lack of image stabilization
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Pentax WG-2 GPS vs Sony A7S Specifications

Detailed spec comparison table for Pentax WG-2 GPS and Sony A7S
 Pentax Optio WG-2 GPSSony Alpha A7S
General Information
Manufacturer Pentax Sony
Model Pentax Optio WG-2 GPS Sony Alpha A7S
Type Waterproof Pro Mirrorless
Introduced 2012-02-07 2014-04-06
Body design Compact SLR-style mirrorless
Sensor Information
Chip - Bionz X
Sensor type BSI-CMOS CMOS
Sensor size 1/2.3" Full frame
Sensor dimensions 6.17 x 4.55mm 35.8 x 23.9mm
Sensor surface area 28.1mm² 855.6mm²
Sensor resolution 16 megapixels 12 megapixels
Anti aliasing filter
Aspect ratio 1:1, 4:3 and 16:9 3:2 and 16:9
Full resolution 4288 x 3216 4240 x 2832
Max native ISO 6400 409600
Min native ISO 125 100
RAW images
Autofocusing
Focus manually
Touch to focus
AF continuous
AF single
AF tracking
AF selectice
AF center weighted
Multi area AF
Live view AF
Face detect AF
Contract detect AF
Phase detect AF
Number of focus points 9 25
Lens
Lens mounting type fixed lens Sony E
Lens focal range 28-140mm (5.0x) -
Maximal aperture f/3.5-5.5 -
Macro focus range 1cm -
Amount of lenses - 121
Focal length multiplier 5.8 1
Screen
Display type Fixed Type Tilting
Display sizing 3 inch 3 inch
Resolution of display 460k dot 1,230k dot
Selfie friendly
Liveview
Touch capability
Display technology Widescreen TFT color LCD with anti-reflective coating -
Viewfinder Information
Viewfinder type None Electronic
Viewfinder resolution - 2,359k dot
Viewfinder coverage - 100 percent
Viewfinder magnification - 0.71x
Features
Slowest shutter speed 4 seconds 30 seconds
Maximum shutter speed 1/4000 seconds 1/8000 seconds
Continuous shooting speed 1.0 frames/s 5.0 frames/s
Shutter priority
Aperture priority
Expose Manually
Exposure compensation - Yes
Custom WB
Image stabilization
Integrated flash
Flash range 5.40 m no built-in flash
Flash options Auto, On, Off, Red-eye, Soft no built-in flash
External flash
Auto exposure bracketing
WB bracketing
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Supported video resolutions 1920 x 1080 (30 fps), 1280 x 720 (60, 30 fps), 640 x 480 (30fps), 320 x 240 (30, 15 fps) 3840 x 2160, XAVC S 1080 60p(50Mbps), 30p (50Mbps), 24p (50Mbps). 720 120p (50Mbps). AVCHD 60p (28Mbps), 60i (24Mbps/17Mbps), 24p (24Mbps/17Mbps)
Max video resolution 1920x1080 3840x2160
Video format MPEG-4, H.264 MPEG-4, AVCHD, XAVC
Mic jack
Headphone jack
Connectivity
Wireless Eye-Fi Connected Built-In
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS BuiltIn None
Physical
Environmental seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 198g (0.44 pounds) 489g (1.08 pounds)
Dimensions 122 x 61 x 30mm (4.8" x 2.4" x 1.2") 127 x 94 x 48mm (5.0" x 3.7" x 1.9")
DXO scores
DXO All around score not tested 87
DXO Color Depth score not tested 23.9
DXO Dynamic range score not tested 13.2
DXO Low light score not tested 3702
Other
Battery life 260 images 360 images
Form of battery Battery Pack Battery Pack
Battery model D-LI92 NP-FW50
Self timer Yes (2 or 10 sec) Yes (2 or 10 sec; continuous (3 or 5 exposures))
Time lapse recording With downloadable app
Storage media SD/SDHC/SDXC card, Internal SD/SDHC/SDXC, Memory Stick Duo/Pro Duo/Pro-HG Duo
Storage slots One One
Retail pricing $300 $1,998