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Panasonic G3 vs Pentax VS20

Portability
83
Imaging
51
Features
62
Overall
55
Panasonic Lumix DMC-G3 front
 
Pentax Optio VS20 front
Portability
90
Imaging
39
Features
35
Overall
37

Panasonic G3 vs Pentax VS20 Key Specs

Panasonic G3
(Full Review)
  • 16MP - Four Thirds Sensor
  • 3" Fully Articulated Screen
  • ISO 160 - 6400
  • 1920 x 1080 video
  • Micro Four Thirds Mount
  • 336g - 115 x 84 x 47mm
  • Announced July 2011
  • Earlier Model is Panasonic G2
  • Later Model is Panasonic G5
Pentax VS20
(Full Review)
  • 16MP - 1/2.3" Sensor
  • 3" Fixed Screen
  • ISO 100 - 6400
  • Sensor-shift Image Stabilization
  • 1280 x 720 video
  • 28-560mm (F3.1-4.8) lens
  • 235g - 111 x 61 x 38mm
  • Announced January 2012
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Panasonic G3 vs Pentax VS20 Overview

Below, we will be matching up the Panasonic G3 versus Pentax VS20, one being a Entry-Level Mirrorless and the latter is a Small Sensor Superzoom by companies Panasonic and Pentax. The sensor resolution of the G3 (16MP) and the VS20 (16MP) is relatively close but the G3 (Four Thirds) and VS20 (1/2.3") come with totally different sensor sizes.

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The G3 was unveiled 6 months before the VS20 which means that they are both of a similar generation. Both of the cameras come with different body type with the Panasonic G3 being a SLR-style mirrorless camera and the Pentax VS20 being a Compact camera.

Before we go through a in-depth comparison, below is a simple summation of how the G3 matches up against the VS20 in the way of portability, imaging, features and an overall grade.

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Reasons to pick Panasonic G3 over the Pentax VS20

 G3 VS20 
Screen typeFully ArticulatedFixed Fully Articulating screen
Selfie screen Easy selfies
Touch friendly screen Quickly navigate

Reasons to pick Pentax VS20 over the Panasonic G3

 VS20 G3 

Common features in the Panasonic G3 and Pentax VS20

 G3 VS20 
AnnouncedJuly 2011January 2012Same generation
Manually focus Dial exact focus
Screen dimension3"3"Identical screen dimensions
Screen resolution460k460kEqual screen resolution

Panasonic G3 vs Pentax VS20 Physical Comparison

If you are looking to lug around your camera regularly, you will have to factor its weight and volume. The Panasonic G3 comes with outside dimensions of 115mm x 84mm x 47mm (4.5" x 3.3" x 1.9") having a weight of 336 grams (0.74 lbs) and the Pentax VS20 has sizing of 111mm x 61mm x 38mm (4.4" x 2.4" x 1.5") accompanied by a weight of 235 grams (0.52 lbs).

Contrast the Panasonic G3 versus Pentax VS20 in the latest Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into account, the weight of an Interchangeable Lens Camera will vary dependant on the lens you use at that moment. Following is the front view scale comparison of the G3 against the VS20.

Panasonic G3 vs Pentax VS20 size comparison

Factoring in dimensions and weight, the portability rating of the G3 and VS20 is 83 and 90 respectively.

Panasonic G3 vs Pentax VS20 top view buttons comparison

Panasonic G3 vs Pentax VS20 Sensor Comparison

Quite often, it's difficult to visualise the contrast in sensor measurements purely by looking through a spec sheet. The graphic here will help provide you a greater sense of the sensor sizes in the G3 and VS20.

Clearly, both cameras posses the exact same megapixels albeit not the same sensor measurements. The G3 contains the bigger sensor which should make obtaining bokeh less difficult.

Panasonic G3 vs Pentax VS20 sensor size comparison

Panasonic G3 vs Pentax VS20 Screen and ViewFinder

Panasonic G3 vs Pentax VS20 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Panasonic G3 Portrait photography advice
Pentax VS20 Portrait photography advice
70
you can focus manually
sensor resolution is decent (16MP)
decent sensor size (Four Thirds)
comes with face detection focus
exports RAW files
36
focusing manually
megapixel count decent (16 megapixels)
lack of manual mode
can't use external flash
tiny sensor (1/2.3")
doesn't have RAW files
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Street Comparison

Panasonic G3 as a Street photography camera
Pentax VS20 as a Street photography camera
75
screen can move to multiple angles
decent sensor size (Four Thirds)
exports RAW files
provides touch focus
no image stabilization
61
has image stabilization (Sensor-shift)
lighter than competition in class (235g)
screen is fixed
tiny sensor (1/2.3")
doesn't have RAW files
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Sports Comparison

Panasonic G3 as a Sports photography camera
Pentax VS20 as a Sports photography camera
46
sensor resolution is decent (16 megapixels)
decent sensor size (Four Thirds)
comes with tracking autofocus
slow fps (4.0 frames per second)
no image stabilization
terrible battery power (270 per charge)
has no phase detect auto focus
44
long zoom range (28-560mm 20.0 x zoom)
has image stabilization (Sensor-shift)
megapixel count decent (16MP)
supports tracking autofocus
continuous shooting slow (1.0 frames per second)
lack of shutter priority mode
tiny sensor (1/2.3")
doesn't have phase detect autofocus
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Travel Comparison

Travel photography with Panasonic G3
Travel photography with Pentax VS20
70
provides touch focus
sensor resolution is decent (16 megapixels)
has built in flash
display is selfie friendly
does not have Timelapse mode
terrible battery power (270 CIPA)
68
lighter than competition in class (235g)
megapixel count decent (16MP)
built-in flash
rather wide (28mm)
long reach (560mm)
does not have Time Lapse mode
does not posses selfie friendly screen
sluggish max aperture (f3.1)
Photography Glossary

Landscape Comparison

Panasonic G3 Landscape photography features
Pentax VS20 Landscape photography features
62
you can focus manually
change lenses (Micro Four Thirds mount)
nice screen size (3 inches)
sensor resolution is decent (16MP)
decent sensor size (Four Thirds)
exports RAW files
no image stabilization
terrible battery power (270 CIPA)
does not have Timelapse mode
47
focusing manually
rather wide (28mm)
decent sized screen (3")
has image stabilization (Sensor-shift)
megapixel count decent (16 megapixels)
lens is fixed (fixed lens mount)
sluggish max aperture (f3.1)
lack of manual mode
tiny sensor (1/2.3")
doesn't have RAW files
does not have Time Lapse mode
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Vlogging Comparison

Panasonic G3 Vlogging information
Pentax VS20 Vlogging information
70
display is selfie friendly
touchscreen capability
comes with face detection focus
video res high (1920 x 1080 resolution)
no image stabilization
does not have external microphone jack
30
rather wide (28mm)
has image stabilization (Sensor-shift)
lighter than competition in class (235 grams)
sluggish max aperture (f3.1)
does not posses selfie friendly screen
video quality not great (1280 x 720 pxls)
does not have external mic socket
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Panasonic G3 vs Pentax VS20 Specifications

Detailed spec comparison table for Panasonic G3 and Pentax VS20
 Panasonic Lumix DMC-G3Pentax Optio VS20
General Information
Manufacturer Panasonic Pentax
Model type Panasonic Lumix DMC-G3 Pentax Optio VS20
Category Entry-Level Mirrorless Small Sensor Superzoom
Announced 2011-07-11 2012-01-25
Physical type SLR-style mirrorless Compact
Sensor Information
Powered by Venus Engine FHD -
Sensor type CMOS CCD
Sensor size Four Thirds 1/2.3"
Sensor dimensions 17.3 x 13mm 6.08 x 4.56mm
Sensor area 224.9mm² 27.7mm²
Sensor resolution 16 megapixels 16 megapixels
Anti alias filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 1:1, 4:3 and 16:9
Highest Possible resolution 4592 x 3448 4608 x 3456
Maximum native ISO 6400 6400
Minimum native ISO 160 100
RAW data
Autofocusing
Focus manually
AF touch
AF continuous
AF single
Tracking AF
Selective AF
Center weighted AF
Multi area AF
AF live view
Face detection AF
Contract detection AF
Phase detection AF
Total focus points 23 3
Lens
Lens mount type Micro Four Thirds fixed lens
Lens zoom range - 28-560mm (20.0x)
Max aperture - f/3.1-4.8
Macro focusing range - 3cm
Number of lenses 107 -
Crop factor 2.1 5.9
Screen
Type of screen Fully Articulated Fixed Type
Screen sizing 3 inches 3 inches
Resolution of screen 460k dots 460k dots
Selfie friendly
Liveview
Touch functionality
Screen technology TFT Color LCD with wide-viewing angle TFT color LCD with Anti-reflective coating
Viewfinder Information
Viewfinder type Electronic None
Viewfinder resolution 1,440k dots -
Viewfinder coverage 100 percent -
Viewfinder magnification 0.7x -
Features
Minimum shutter speed 60 secs 4 secs
Fastest shutter speed 1/4000 secs 1/2500 secs
Continuous shutter rate 4.0fps 1.0fps
Shutter priority
Aperture priority
Manual mode
Exposure compensation Yes -
Change WB
Image stabilization
Built-in flash
Flash distance 11.00 m 2.80 m
Flash modes Auto, On, Off, Red-Eye, Slow Sync Auto, On, Off, Red-eye, Soft
Hot shoe
Auto exposure bracketing
WB bracketing
Fastest flash synchronize 1/160 secs -
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Video resolutions 1920 x 1080 (60fps) 1280 x 720 (60, 30 fps), 640 x 480 (30fps), 320 x 240 (30fps)) 1280 x 720 (30, 15 fps), 640 x 480 (30, 15 fps), 320 x 240 (30, 15 fps)
Maximum video resolution 1920x1080 1280x720
Video data format AVCHD, Motion JPEG Motion JPEG
Mic port
Headphone port
Connectivity
Wireless None Eye-Fi Connected
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environment sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 336 grams (0.74 lb) 235 grams (0.52 lb)
Dimensions 115 x 84 x 47mm (4.5" x 3.3" x 1.9") 111 x 61 x 38mm (4.4" x 2.4" x 1.5")
DXO scores
DXO Overall rating 56 not tested
DXO Color Depth rating 21.0 not tested
DXO Dynamic range rating 10.6 not tested
DXO Low light rating 667 not tested
Other
Battery life 270 shots -
Battery type Battery Pack -
Battery ID - D-LI122
Self timer Yes (2 or 10 sec) Yes (2 or 10 sec)
Time lapse recording
Type of storage SD/SDHC/SDXC SD/SDHC/SDXC, Internal
Card slots One One
Price at release $500 $106