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Pentax WG-3 GPS vs Sony A3000

Portability
90
Imaging
40
Features
43
Overall
41
Pentax WG-3 GPS front
 
Sony Alpha A3000 front
Portability
69
Imaging
63
Features
54
Overall
59

Pentax WG-3 GPS vs Sony A3000 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 A3000
(Full Review)
  • 20MP - APS-C Sensor
  • 3" Fixed Display
  • ISO 100 - 16000
  • 1920 x 1080 video
  • Sony E Mount
  • 411g - 128 x 91 x 85mm
  • Launched August 2013
  • Replacement is Sony a3500
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Pentax WG-3 GPS vs Sony A3000 Overview

Here is a in depth assessment of the Pentax WG-3 GPS vs Sony A3000, one being a Waterproof and the other is a Entry-Level Mirrorless by brands Pentax and Sony. The image resolution of the WG-3 GPS (16MP) and the A3000 (20MP) is fairly comparable but the WG-3 GPS (1/2.3") and A3000 (APS-C) posses totally different sensor sizes.

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The WG-3 GPS was launched around the same time to the A3000 so they are both of a similar generation. Both the cameras feature different body design with the Pentax WG-3 GPS being a Compact camera and the Sony A3000 being a SLR-style mirrorless camera.

Before we go right into a full comparison, here is a simple overview of how the WG-3 GPS scores against the A3000 in relation to portability, imaging, features and an overall rating.

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Reasons to pick Pentax WG-3 GPS over the Sony A3000

 WG-3 GPS A3000 
Display resolution460k230kSharper display (+230k dot)

Reasons to pick Sony A3000 over the Pentax WG-3 GPS

 A3000 WG-3 GPS 

Common features in the Pentax WG-3 GPS and Sony A3000

 WG-3 GPS A3000 
LaunchedJuly 2013August 2013Same generation
Manual focus Very precise focusing
Display typeFixed Fixed Fixed display
Display size3"3"Same display dimensions
Selfie screen Missing selfie screen
Touch display Missing Touch display

Pentax WG-3 GPS vs Sony A3000 Physical Comparison

If you're aiming to carry your camera, you will need to factor in its weight and size. The Pentax WG-3 GPS comes with outer dimensions of 125mm x 64mm x 33mm (4.9" x 2.5" x 1.3") with a weight of 238 grams (0.52 lbs) whilst the Sony A3000 has specifications of 128mm x 91mm x 85mm (5.0" x 3.6" x 3.3") accompanied by a weight of 411 grams (0.91 lbs).

Take a look at the Pentax WG-3 GPS vs Sony A3000 in the latest Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into consideration, the weight of an Interchangeable Lens Camera will change dependant on the lens you choose at that time. The following is a front view physical size comparison of the WG-3 GPS and the A3000.

Pentax WG-3 GPS vs Sony A3000 size comparison

Factoring in size and weight, the portability grade of the WG-3 GPS and A3000 is 90 and 69 respectively.

Pentax WG-3 GPS vs Sony A3000 top view buttons comparison

Pentax WG-3 GPS vs Sony A3000 Sensor Comparison

Usually, its hard to visualise the contrast in sensor sizing simply by seeing technical specs. The graphic below may offer you a much better sense of the sensor dimensions in the WG-3 GPS and A3000.

As you have seen, both of the cameras feature different megapixels and different sensor sizing. The WG-3 GPS because of its smaller sensor will make shooting shallow DOF tougher and the Sony A3000 will produce more detail utilizing its extra 4MP. Greater resolution will also let you crop pics way more aggressively.

Pentax WG-3 GPS vs Sony A3000 sensor size comparison

Pentax WG-3 GPS vs Sony A3000 Screen and ViewFinder

Pentax WG-3 GPS vs Sony A3000 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Portrait photography with Pentax WG-3 GPS
Portrait photography with Sony A3000
41
you can focus manually
good resolution (16 megapixels)
supports face detect autofocus
manual mode not possible
can't use external flash
sensor is small (1/2.3")
lack of RAW files
77
focusing manually
decent MP (20MP)
nice sensor size (APS-C)
includes face detection focusing
supports RAW files
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Street Comparison

Street photography with Pentax WG-3 GPS
Street photography with Sony A3000
59
built in image stabilization (Sensor-shift)
weather sealing
no moving screen
sensor is small (1/2.3")
lack of RAW files
more heavy than competitors in class (238g)
57
nice sensor size (APS-C)
supports RAW files
fixed screen
does not have image stabilization
more heavy than others (411 grams)
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Sports Comparison

Sports photography with Pentax WG-3 GPS
Sports photography with Sony A3000
45
built in image stabilization (Sensor-shift)
good resolution (16 megapixels)
supports tracking focus
weather sealing
no shutter priority
sensor is small (1/2.3")
bad battery pack (240 per charge)
lack of phase detect autofocus
60
decent MP (20 megapixels)
nice sensor size (APS-C)
includes tracking autofocus
great battery pack (470 CIPA)
slow frames per second (3.0 fps)
does not have image stabilization
no phase detect AF
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Travel Comparison

Pentax WG-3 GPS Travel photography advice
Sony A3000 Travel photography advice
69
weather sealing
good resolution (16 megapixels)
has built in flash
fairly wide (25mm)
fast max aperture (f2.0)
bad battery pack (240 CIPA)
more heavy than competitors in class (238 grams)
does not posses selfie friendly display
60
great battery pack (470 shots)
decent MP (20MP)
has built in flash
does not have Timelapse mode
more heavy than others (411 grams)
does not feature selfie friendly screen
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Landscape Comparison

Pentax WG-3 GPS Landscape photography information
Sony A3000 Landscape photography information
54
you can focus manually
fairly wide (25mm)
fast max aperture (f2.0)
screen is a good size (3")
built in image stabilization (Sensor-shift)
good resolution (16MP)
weather sealing
lens is fixed (fixed lens mount)
manual mode not possible
sensor is small (1/2.3")
lack of RAW files
bad battery pack (240 shots)
70
focusing manually
swap lenses (Sony E mount)
screen is a decent size (3 inch)
decent MP (20MP)
nice sensor size (APS-C)
supports RAW files
great battery pack (470 CIPA)
does not have image stabilization
does not have Timelapse mode
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Vlogging Comparison

Pentax WG-3 GPS Vlogging info
Sony A3000 Vlogging info
34
fairly wide (25mm)
fast max aperture (f2.0)
built in image stabilization (Sensor-shift)
supports face detect autofocus
video resolution high (1920 x 1080 pixels)
does not posses selfie friendly display
lack of microphone socket
more heavy than competitors in class (238 grams)
26
includes face detection focusing
video res high (1920 x 1080 resolution)
does not feature selfie friendly screen
does not have image stabilization
does not have external microphone jack
more heavy than others (411 grams)
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Pentax WG-3 GPS vs Sony A3000 Specifications

Detailed spec comparison table for Pentax WG-3 GPS and Sony A3000
 Pentax WG-3 GPSSony Alpha A3000
General Information
Brand Name Pentax Sony
Model Pentax WG-3 GPS Sony Alpha A3000
Class Waterproof Entry-Level Mirrorless
Announced 2013-07-19 2013-08-27
Body design Compact SLR-style mirrorless
Sensor Information
Powered by - BIONZ image
Sensor type BSI-CMOS CMOS
Sensor size 1/2.3" APS-C
Sensor measurements 6.17 x 4.55mm 23.5 x 15.6mm
Sensor area 28.1mm² 366.6mm²
Sensor resolution 16 megapixel 20 megapixel
Anti aliasing filter
Aspect ratio 1:1, 4:3 and 16:9 3:2 and 16:9
Max resolution 4608 x 3456 5456 x 3632
Max native ISO 6400 16000
Minimum native ISO 125 100
RAW files
Autofocusing
Manual focus
Touch focus
Autofocus continuous
Single autofocus
Tracking autofocus
Autofocus selectice
Autofocus center weighted
Multi area autofocus
Live view autofocus
Face detection focus
Contract detection focus
Phase detection focus
Number of focus points 9 25
Lens
Lens mounting type fixed lens Sony E
Lens focal range 25-100mm (4.0x) -
Maximal aperture f/2.0-4.9 -
Macro focus range 1cm -
Number of lenses - 121
Crop factor 5.8 1.5
Screen
Range of screen Fixed Type Fixed Type
Screen sizing 3 inch 3 inch
Screen resolution 460 thousand dot 230 thousand dot
Selfie friendly
Liveview
Touch operation
Screen tech Widescreen TFT color LCD with anti-reflective coating TFT LCD
Viewfinder Information
Viewfinder None Electronic
Viewfinder coverage - 100%
Viewfinder magnification - 0.47x
Features
Min shutter speed 4s 30s
Max shutter speed 1/4000s 1/4000s
Continuous shutter speed - 3.0 frames per sec
Shutter priority
Aperture priority
Expose Manually
Exposure compensation - Yes
Set white balance
Image stabilization
Integrated flash
Flash range 3.40 m 6.00 m (at ISO200 / 4m at ISO100)
Flash settings Auto, On, Off, Red-eye, Soft Flash off, Auto flash, Fill-flash, Slow Sync., Rear Sync.
External flash
Auto exposure bracketing
WB bracketing
Max flash sync - 1/160s
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) 1920 x 1080
Max video resolution 1920x1080 1920x1080
Video data format MPEG-4, H.264 AVCHD, H.264, MP4
Microphone input
Headphone input
Connectivity
Wireless Eye-Fi Connected None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS BuiltIn None
Physical
Environment seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 238g (0.52 lbs) 411g (0.91 lbs)
Physical dimensions 125 x 64 x 33mm (4.9" x 2.5" x 1.3") 128 x 91 x 85mm (5.0" x 3.6" x 3.3")
DXO scores
DXO Overall score not tested 78
DXO Color Depth score not tested 23.7
DXO Dynamic range score not tested 12.8
DXO Low light score not tested 1068
Other
Battery life 240 pictures 470 pictures
Battery format Battery Pack Battery Pack
Battery model D-LI92 NP-FW50
Self timer Yes (2 or 10 sec) Yes (2-sec. or 10-sec. delay)
Time lapse feature
Storage media SD/SDHC/SDXC card, Internal -
Storage slots 1 1
Price at release $350 $398