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Pentax WG-3 GPS vs Sony A390

Portability
90
Imaging
40
Features
43
Overall
41
Pentax WG-3 GPS front
 
Sony Alpha DSLR-A390 front
Portability
66
Imaging
54
Features
54
Overall
54

Pentax WG-3 GPS vs Sony A390 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
  • Launched July 2013
Sony A390
(Full Review)
  • 14MP - APS-C Sensor
  • 2.7" Tilting Screen
  • ISO 100 - 3200
  • Sensor based Image Stabilization
  • No Video
  • Sony/Minolta Alpha Mount
  • 549g - 128 x 97 x 86mm
  • Released July 2010
  • Old Model is Sony A380
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Pentax WG-3 GPS vs Sony A390 Overview

In this write-up, we will be analyzing the Pentax WG-3 GPS versus Sony A390, one is a Waterproof and the latter is a Entry-Level DSLR by companies Pentax and Sony. The resolution of the WG-3 GPS (16MP) and the A390 (14MP) is relatively similar but the WG-3 GPS (1/2.3") and A390 (APS-C) come with totally different sensor measurements.

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The WG-3 GPS was brought out 3 years after the A390 which is quite a large gap as far as technology is concerned. Both cameras offer different body type with the Pentax WG-3 GPS being a Compact camera and the Sony A390 being a Compact SLR camera.

Before delving in to a thorough comparison, below is a quick synopsis of how the WG-3 GPS scores against the A390 with respect to portability, imaging, features and an overall score.

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Reasons to pick Pentax WG-3 GPS over the Sony A390

 WG-3 GPS A390 
ReleasedJuly 2013July 2010More modern by 37 months
Screen sizing3"2.7"Bigger screen (+0.3")
Screen resolution460k230kCrisper screen (+230k dot)

Reasons to pick Sony A390 over the Pentax WG-3 GPS

 A390 WG-3 GPS 
Screen typeTiltingFixed Tilting screen

Common features in the Pentax WG-3 GPS and Sony A390

 WG-3 GPS A390 
Manual focus Dial accurate focusing
Selfie screen Lacking selfie screen
Touch screen Neither features Touch screen

Pentax WG-3 GPS vs Sony A390 Physical Comparison

When you are planning to carry around your camera, you will have to think about its weight and volume. The Pentax WG-3 GPS enjoys external dimensions of 125mm x 64mm x 33mm (4.9" x 2.5" x 1.3") accompanied by a weight of 238 grams (0.52 lbs) and the Sony A390 has sizing of 128mm x 97mm x 86mm (5.0" x 3.8" x 3.4") with a weight of 549 grams (1.21 lbs).

Analyze the Pentax WG-3 GPS versus Sony A390 in the new Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into consideration, the weight of an Interchangeable Lens Camera will vary based on the lens you are utilising at that time. Underneath is the front view over all size comparison of the WG-3 GPS against the A390.

Pentax WG-3 GPS vs Sony A390 size comparison

Using dimensions and weight, the portability score of the WG-3 GPS and A390 is 90 and 66 respectively.

Pentax WG-3 GPS vs Sony A390 top view buttons comparison

Pentax WG-3 GPS vs Sony A390 Sensor Comparison

Quite often, it can be tough to see the difference between sensor sizes merely by reviewing specifications. The image underneath might offer you a greater sense of the sensor dimensions in the WG-3 GPS and A390.

To sum up, the 2 cameras offer different megapixel count and different sensor sizes. The WG-3 GPS because of its tinier sensor will make achieving bokeh trickier and the Pentax WG-3 GPS will offer extra detail having its extra 2 Megapixels. Higher resolution will let you crop pictures a little more aggressively. The younger WG-3 GPS is going to have a benefit in sensor tech.

Pentax WG-3 GPS vs Sony A390 sensor size comparison

Pentax WG-3 GPS vs Sony A390 Screen and ViewFinder

Pentax WG-3 GPS vs Sony A390 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax WG-3 GPS as a Portrait photography camera
Sony A390 as a Portrait photography camera
41
has manual focus
sensor resolution is decent (16MP)
supports face detect focus
no manual control
can't use external flash
sensor size is tiny (1/2.3")
has no RAW support
72
has manual focus
sensor resolution is decent (14 megapixels)
sensor size is nice (APS-C)
features face detect autofocus
supports RAW files
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Street Comparison

Pentax WG-3 GPS Street photography information
Sony A390 Street photography information
59
has image stabilization (Sensor-shift)
environment proof
screen is fixed
sensor size is tiny (1/2.3")
has no RAW support
more heavy than average in class (238 grams)
76
screen tilts
has image stabilization (Sensor based)
sensor size is nice (APS-C)
supports RAW files
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Sports Comparison

Pentax WG-3 GPS Sports photography information
Sony A390 Sports photography information
45
has image stabilization (Sensor-shift)
sensor resolution is decent (16 megapixels)
supports tracking focus
environment proof
no shutter priority mode
sensor size is tiny (1/2.3")
low battery pack (240 per charge)
has no phase detect auto focus
60
has image stabilization (Sensor based)
sensor resolution is decent (14 megapixels)
sensor size is nice (APS-C)
sensor has phase detect autofocus
slow continuous shooting (3.0 fps)
bad battery pack (230 per charge)
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Travel Comparison

Pentax WG-3 GPS as a Travel photography camera
Sony A390 as a Travel photography camera
69
environment proof
sensor resolution is decent (16 megapixels)
built-in flash
pretty wide (25mm)
very good max aperture (f2.0)
low battery pack (240 CIPA)
more heavy than average in class (238g)
screen isn't selfie friendly
53
sensor resolution is decent (14 megapixels)
flash built-in
doesn't have Time Lapse mode
bad battery pack (230 CIPA)
does not have a selfie friendly screen
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Landscape Comparison

Pentax WG-3 GPS as a Landscape photography camera
Sony A390 as a Landscape photography camera
54
has manual focus
pretty wide (25mm)
very good max aperture (f2.0)
screen size is good (3 inches)
has image stabilization (Sensor-shift)
sensor resolution is decent (16 megapixels)
environment proof
lens is fixed (fixed lens mount)
no manual control
sensor size is tiny (1/2.3")
has no RAW support
low battery pack (240 per charge)
61
has manual focus
change lenses (Sony/Minolta Alpha mount)
has image stabilization (Sensor based)
sensor resolution is decent (14MP)
sensor size is nice (APS-C)
supports RAW files
screen is small (2.7 inches)
bad battery pack (230 CIPA)
doesn't have Time Lapse mode
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Vlogging Comparison

Pentax WG-3 GPS Vlogging factors
Sony A390 Vlogging factors
34
pretty wide (25mm)
very good max aperture (f2.0)
has image stabilization (Sensor-shift)
supports face detect focus
high res video (1920 x 1080 pixels)
screen isn't selfie friendly
doesn't have microphone port
more heavy than average in class (238g)
9
no video recording
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Pentax WG-3 GPS vs Sony A390 Specifications

Detailed spec comparison table for Pentax WG-3 GPS and Sony A390
 Pentax WG-3 GPSSony Alpha DSLR-A390
General Information
Company Pentax Sony
Model Pentax WG-3 GPS Sony Alpha DSLR-A390
Type Waterproof Entry-Level DSLR
Launched 2013-07-19 2010-07-28
Physical type Compact Compact SLR
Sensor Information
Processor Chip - Bionz
Sensor type BSI-CMOS CCD
Sensor size 1/2.3" APS-C
Sensor dimensions 6.17 x 4.55mm 23.5 x 15.7mm
Sensor area 28.1mm² 369.0mm²
Sensor resolution 16 megapixels 14 megapixels
Anti aliasing filter
Aspect ratio 1:1, 4:3 and 16:9 3:2 and 16:9
Max resolution 4608 x 3456 4592 x 3056
Max native ISO 6400 3200
Lowest native ISO 125 100
RAW photos
Autofocusing
Manual focus
Touch focus
Continuous autofocus
Autofocus single
Tracking autofocus
Selective autofocus
Center weighted autofocus
Autofocus multi area
Autofocus live view
Face detection autofocus
Contract detection autofocus
Phase detection autofocus
Number of focus points 9 9
Lens
Lens mount fixed lens Sony/Minolta Alpha
Lens focal range 25-100mm (4.0x) -
Maximum aperture f/2.0-4.9 -
Macro focus range 1cm -
Total lenses - 143
Crop factor 5.8 1.5
Screen
Type of screen Fixed Type Tilting
Screen diagonal 3 inches 2.7 inches
Resolution of screen 460k dots 230k dots
Selfie friendly
Liveview
Touch function
Screen technology Widescreen TFT color LCD with anti-reflective coating -
Viewfinder Information
Viewfinder None Optical (pentamirror)
Viewfinder coverage - 95 percent
Viewfinder magnification - 0.49x
Features
Min shutter speed 4 secs 30 secs
Max shutter speed 1/4000 secs 1/4000 secs
Continuous shutter rate - 3.0 frames/s
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation - Yes
Set white balance
Image stabilization
Built-in flash
Flash range 3.40 m 10.00 m (at ISO 100)
Flash settings Auto, On, Off, Red-eye, Soft Auto, On, Off, Red-Eye, Slow Sync, Rear Curtain, Wireless
Hot shoe
AE bracketing
WB bracketing
Max flash synchronize - 1/160 secs
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Supported video resolutions 1920 x 1080 (30 fps), 1280 x 720 (60, 30 fps) -
Max video resolution 1920x1080 None
Video file format MPEG-4, H.264 -
Mic support
Headphone support
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 sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 238 gr (0.52 pounds) 549 gr (1.21 pounds)
Dimensions 125 x 64 x 33mm (4.9" x 2.5" x 1.3") 128 x 97 x 86mm (5.0" x 3.8" x 3.4")
DXO scores
DXO Overall score not tested 66
DXO Color Depth score not tested 22.5
DXO Dynamic range score not tested 11.5
DXO Low light score not tested 607
Other
Battery life 240 pictures 230 pictures
Style of battery Battery Pack Battery Pack
Battery model D-LI92 NP-FH50
Self timer Yes (2 or 10 sec) Yes (2 or 10 sec)
Time lapse recording
Storage type SD/SDHC/SDXC card, Internal SD/ SDHC, Memory Stick Pro Duo
Card slots Single Single
Pricing at release $350 $500