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Pentax WG-1 GPS vs Sony A77

Portability
93
Imaging
37
Features
31
Overall
34
Pentax Optio WG-1 GPS front
 
Sony SLT-A77 front
Portability
59
Imaging
63
Features
83
Overall
71

Pentax WG-1 GPS vs Sony A77 Key Specs

Pentax WG-1 GPS
(Full Review)
  • 14MP - 1/2.3" Sensor
  • 2.7" Fixed Display
  • ISO 80 - 6400
  • 1280 x 720 video
  • 28-140mm (F3.5-5.5) lens
  • 167g - 116 x 59 x 29mm
  • Revealed August 2011
Sony A77
(Full Review)
  • 24MP - APS-C Sensor
  • 3" Fully Articulated Display
  • ISO 50 - 16000 (Boost to 25600)
  • Sensor based Image Stabilization
  • 1/8000s Max Shutter
  • 1920 x 1080 video
  • Sony/Minolta Alpha Mount
  • 732g - 143 x 104 x 81mm
  • Introduced October 2011
  • Earlier Model is Sony A700
  • New Model is Sony A77 II
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Pentax WG-1 GPS vs Sony A77 Overview

Its time to take a deeper look at the Pentax WG-1 GPS vs Sony A77, one being a Waterproof and the other is a Advanced DSLR by companies Pentax and Sony. There exists a crucial gap between the image resolutions of the WG-1 GPS (14MP) and A77 (24MP) and the WG-1 GPS (1/2.3") and A77 (APS-C) boast different sensor dimensions.

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The WG-1 GPS was unveiled 2 months earlier than the A77 and they are both of a similar generation. Both of these cameras have different body design with the Pentax WG-1 GPS being a Compact camera and the Sony A77 being a Mid-size SLR camera.

Before going into a in-depth comparison, here is a brief view of how the WG-1 GPS matches up against the A77 in relation to portability, imaging, features and an overall grade.

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Reasons to pick Pentax WG-1 GPS over the Sony A77

 WG-1 GPS A77 

Reasons to pick Sony A77 over the Pentax WG-1 GPS

 A77 WG-1 GPS 
Display typeFully ArticulatedFixed Fully Articulating display
Display dimensions3"2.7"Larger display (+0.3")
Display resolution921k230kCrisper display (+691k dot)
Selfie screen Take selfies

Common features in the Pentax WG-1 GPS and Sony A77

 WG-1 GPS A77 
IntroducedAugust 2011October 2011Similar generation
Manual focus More accurate focus
Touch display Neither includes Touch display

Pentax WG-1 GPS vs Sony A77 Physical Comparison

If you are planning to lug around your camera, you will want to factor its weight and dimensions. The Pentax WG-1 GPS features exterior dimensions of 116mm x 59mm x 29mm (4.6" x 2.3" x 1.1") along with a weight of 167 grams (0.37 lbs) and the Sony A77 has dimensions of 143mm x 104mm x 81mm (5.6" x 4.1" x 3.2") and a weight of 732 grams (1.61 lbs).

Analyze the Pentax WG-1 GPS vs Sony A77 in the new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Remember that, the weight of an Interchangeable Lens Camera will vary depending on the lens you are utilizing at that time. Following is a front view sizing comparison of the WG-1 GPS compared to the A77.

Pentax WG-1 GPS vs Sony A77 size comparison

Taking into consideration dimensions and weight, the portability score of the WG-1 GPS and A77 is 93 and 59 respectively.

Pentax WG-1 GPS vs Sony A77 top view buttons comparison

Pentax WG-1 GPS vs Sony A77 Sensor Comparison

Quite often, it is very difficult to imagine the contrast between sensor measurements just by going over technical specs. The visual underneath will give you a better sense of the sensor sizes in the WG-1 GPS and A77.

As you have seen, both of these cameras provide different megapixel count and different sensor measurements. The WG-1 GPS having a tinier sensor is going to make getting shallower depth of field tougher and the Sony A77 will offer you greater detail having an extra 10MP. Greater resolution will also enable you to crop images more aggressively.

Pentax WG-1 GPS vs Sony A77 sensor size comparison

Pentax WG-1 GPS vs Sony A77 Screen and ViewFinder

Pentax WG-1 GPS vs Sony A77 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax WG-1 GPS Portrait photography highlights
Sony A77 Portrait photography highlights
35
you can focus manually
decent sensor resolution (14 megapixels)
manual exposure not available
no external flash support
tiny sensor (1/2.3")
doesn't have RAW support
77
manual focus
good MP (24 megapixels)
decent sensor size (APS-C)
includes face detection autofocus
supports RAW files
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Street Comparison

Pentax WG-1 GPS as a Street photography camera
Sony A77 as a Street photography camera
54
environment sealing
screen does not articulate
no image stabilization
tiny sensor (1/2.3")
doesn't have RAW support
74
screen articulates
image stabilization (Sensor based)
decent sensor size (APS-C)
supports RAW files
weather proofing
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Sports Comparison

Sports photography with Pentax WG-1 GPS
Sports photography with Sony A77
37
decent sensor resolution (14MP)
includes tracking autofocus
environment sealing
max fps low (1.0 frames per second)
no shutter priority mode
no image stabilization
tiny sensor (1/2.3")
doesn't have phase detect autofocus
74
high shutter speed (1/8,000 seconds)
image stabilization (Sensor based)
good MP (24 megapixels)
decent sensor size (APS-C)
weather proofing
has phase detect autofocus
not so great battery pack (470 CIPA)
Photography Glossary

Travel Comparison

Pentax WG-1 GPS Travel photography features
Sony A77 Travel photography features
71
environment sealing
decent sensor resolution (14 megapixels)
has built in flash
reasonably wide (28mm)
screen is not selfie friendly
somewhat slow maximum aperture (f3.5)
62
weather proofing
good MP (24MP)
flash built-in
display is selfie friendly
no Time Lapse function
not so great battery pack (470 shots)
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Landscape Comparison

Pentax WG-1 GPS Landscape photography info
Sony A77 Landscape photography info
42
you can focus manually
reasonably wide (28mm)
decent sensor resolution (14MP)
environment sealing
fixed lens (fixed lens mount)
somewhat slow maximum aperture (f3.5)
screen is somewhat small (2.7 inch)
manual exposure not available
no image stabilization
tiny sensor (1/2.3")
doesn't have RAW support
71
manual focus
interchangeable lenses (Sony/Minolta Alpha mount)
screen size is good (3 inch)
image stabilization (Sensor based)
good MP (24 megapixels)
decent sensor size (APS-C)
supports RAW files
weather proofing
not so great battery pack (470 per charge)
no Time Lapse function
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Vlogging Comparison

Pentax WG-1 GPS Vlogging advice
Sony A77 Vlogging advice
25
reasonably wide (28mm)
somewhat slow maximum aperture (f3.5)
screen is not selfie friendly
no image stabilization
low res video (1280 x 720 pixels)
no external mic support
76
display is selfie friendly
image stabilization (Sensor based)
includes face detection autofocus
high quality video (1920 x 1080 pixels)
has external mic socket
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Pentax WG-1 GPS vs Sony A77 Specifications

Detailed spec comparison table for Pentax WG-1 GPS and Sony A77
 Pentax Optio WG-1 GPSSony SLT-A77
General Information
Company Pentax Sony
Model Pentax Optio WG-1 GPS Sony SLT-A77
Class Waterproof Advanced DSLR
Revealed 2011-08-16 2011-10-25
Physical type Compact Mid-size SLR
Sensor Information
Powered by - Bionz
Sensor type CCD CMOS
Sensor size 1/2.3" APS-C
Sensor dimensions 6.17 x 4.55mm 23.5 x 15.6mm
Sensor surface area 28.1mm² 366.6mm²
Sensor resolution 14MP 24MP
Anti aliasing filter
Aspect ratio - 3:2 and 16:9
Peak resolution 4288 x 3216 6000 x 4000
Highest native ISO 6400 16000
Highest enhanced ISO - 25600
Min native ISO 80 50
RAW photos
Autofocusing
Focus manually
AF touch
AF continuous
AF single
Tracking AF
AF selectice
Center weighted AF
Multi area AF
Live view AF
Face detect focusing
Contract detect focusing
Phase detect focusing
Number of focus points 9 19
Cross focus points - 11
Lens
Lens mount fixed lens Sony/Minolta Alpha
Lens focal range 28-140mm (5.0x) -
Maximal aperture f/3.5-5.5 -
Macro focus distance 1cm -
Number of lenses - 143
Crop factor 5.8 1.5
Screen
Type of display Fixed Type Fully Articulated
Display diagonal 2.7 inch 3 inch
Display resolution 230k dots 921k dots
Selfie friendly
Liveview
Touch capability
Display technology TFT color LCD with Anti-reflective coating -
Viewfinder Information
Viewfinder type None Electronic
Viewfinder resolution - 2,359k dots
Viewfinder coverage - 100 percent
Viewfinder magnification - 0.73x
Features
Min shutter speed 4s 30s
Max shutter speed 1/1500s 1/8000s
Continuous shutter rate 1.0 frames/s 12.0 frames/s
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation - Yes
Set WB
Image stabilization
Inbuilt flash
Flash range 3.90 m 12.00 m
Flash settings Auto, On, Off, Red-eye, Soft Auto, On, Off, Red-Eye, Slow Sync, High Speed Sync, Rear Curtain, Fill-in, Wireless
Hot shoe
AE bracketing
WB bracketing
Max flash synchronize - 1/250s
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Supported video resolutions 1280 x 720 (30, 15 fps), 640 x 480 (30, 15 fps), 320 x 240 (30, 15 fps) 1920 x 1080 (60, 24 fps), 1440 x 1080 (30fps), 640 x 424 (29.97 fps)
Highest video resolution 1280x720 1920x1080
Video format Motion JPEG MPEG-4, AVCHD, H.264
Mic port
Headphone port
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 BuiltIn BuiltIn
Physical
Environment sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 167 gr (0.37 lb) 732 gr (1.61 lb)
Physical dimensions 116 x 59 x 29mm (4.6" x 2.3" x 1.1") 143 x 104 x 81mm (5.6" x 4.1" x 3.2")
DXO scores
DXO Overall score not tested 78
DXO Color Depth score not tested 24.0
DXO Dynamic range score not tested 13.2
DXO Low light score not tested 801
Other
Battery life 260 pictures 470 pictures
Form of battery Battery Pack Battery Pack
Battery model D-LI92 NP-FM500H
Self timer Yes (2 or 10 sec) Yes (2 or 10 sec)
Time lapse feature
Storage type SD/SDHC/SDXC card, Internal SD/SDHC/SDXC/Memory Stick Pro Duo/ Pro-HG Duo
Card slots Single Single
Price at release $350 $900