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Canon A3100 IS vs Pentax VS20

Portability
94
Imaging
35
Features
14
Overall
26
Canon PowerShot A3100 IS front
 
Pentax Optio VS20 front
Portability
90
Imaging
39
Features
35
Overall
37

Canon A3100 IS vs Pentax VS20 Key Specs

Canon A3100 IS
(Full Review)
  • 12MP - 1/2.3" Sensor
  • 2.7" Fixed Display
  • ISO 100 - 1600
  • Optical Image Stabilization
  • 640 x 480 video
  • 35-140mm (F2.7-5.6) lens
  • 165g - 97 x 58 x 28mm
  • Revealed January 2010
Pentax VS20
(Full Review)
  • 16MP - 1/2.3" Sensor
  • 3" Fixed Display
  • 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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Canon A3100 IS vs Pentax VS20 Overview

In this article, we are reviewing the Canon A3100 IS versus Pentax VS20, former being a Small Sensor Compact while the other is a Small Sensor Superzoom by companies Canon and Pentax. There exists a sizable gap among the image resolutions of the A3100 IS (12MP) and VS20 (16MP) but they come with the same exact sensor measurements (1/2.3").

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The A3100 IS was released 3 years before the VS20 and that is a fairly significant difference as far as camera technology is concerned. Both of these cameras offer the identical body type (Compact).

Before we go through a more detailed comparison, below is a short highlight of how the A3100 IS matches up versus the VS20 in regards to portability, imaging, features and an overall grade.

Photography Glossary
	
	

Reasons to pick Canon A3100 IS over the Pentax VS20

 A3100 IS VS20 

Reasons to pick Pentax VS20 over the Canon A3100 IS

 VS20 A3100 IS 
AnnouncedJanuary 2012January 2010More recent by 25 months
Manual focus Dial exact focusing
Display sizing3"2.7"Larger display (+0.3")
Display resolution460k230kSharper display (+230k dot)

Common features in the Canon A3100 IS and Pentax VS20

 A3100 IS VS20 
Display typeFixed Fixed Fixed display
Selfie screen Neither features selfie screen
Touch friendly display Neither features Touch friendly display

Canon A3100 IS vs Pentax VS20 Physical Comparison

When you are planning to lug around your camera frequently, you are going to need to factor its weight and measurements. The Canon A3100 IS enjoys exterior dimensions of 97mm x 58mm x 28mm (3.8" x 2.3" x 1.1") and a weight of 165 grams (0.36 lbs) while the Pentax VS20 has proportions of 111mm x 61mm x 38mm (4.4" x 2.4" x 1.5") along with a weight of 235 grams (0.52 lbs).

Contrast the Canon A3100 IS versus Pentax VS20 in our newest Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into consideration, the weight of an ILC will vary depending on the lens you are employing at that time. The following is the front view proportions comparison of the A3100 IS vs the VS20.

Canon A3100 IS vs Pentax VS20 size comparison

Taking into consideration dimensions and weight, the portability rating of the A3100 IS and VS20 is 94 and 90 respectively.

Canon A3100 IS vs Pentax VS20 top view buttons comparison

Canon A3100 IS vs Pentax VS20 Sensor Comparison

Sometimes, it's tough to imagine the gap in sensor measurements only by checking out a spec sheet. The visual here may offer you a better sense of the sensor dimensions in the A3100 IS and VS20.

As you can see, each of these cameras offer the same exact sensor sizing but different MP. You can expect to see the Pentax VS20 to provide more detail as a result of its extra 4MP. Greater resolution will make it easier to crop photos a little more aggressively. The older A3100 IS will be behind when it comes to sensor technology.

Canon A3100 IS vs Pentax VS20 sensor size comparison

Canon A3100 IS vs Pentax VS20 Screen and ViewFinder

Canon A3100 IS vs Pentax VS20 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Canon A3100 IS Portrait photography advice
Pentax VS20 Portrait photography advice
21
focusing manually not possible
manual exposure not possible
cannot use external flash
low resolution (12MP)
very small sensor size (1/2.3")
lack of RAW support
36
focusing manually
MP count good (16 megapixels)
no manual mode
can't use external flash
sensor is tiny (1/2.3")
lacks RAW format
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Street Comparison

Canon A3100 IS as a Street photography camera
Pentax VS20 as a Street photography camera
56
image stabilization (Optical)
fixed screen
very small sensor size (1/2.3")
lack of RAW support
61
built in image stabilization (Sensor-shift)
lighter than average in class (235g)
fixed screen
sensor is tiny (1/2.3")
lacks RAW format
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Sports Comparison

Canon A3100 IS Sports photography highlights
Pentax VS20 Sports photography highlights
25
image stabilization (Optical)
painfully slow continuous shooting (1.0 frames/s)
no shutter priority
low resolution (12MP)
very small sensor size (1/2.3")
lack of phase detect autofocus
44
great zoom range (28-560mm 20.0 x zoom)
built in image stabilization (Sensor-shift)
MP count good (16 megapixels)
offers tracking focus
very slow continuous shooting (1.0 fps)
no shutter priority mode
sensor is tiny (1/2.3")
lacks phase detect AF
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Travel Comparison

Canon A3100 IS Travel photography features
Pentax VS20 Travel photography features
51
built-in flash
lack of Time Lapse mode
low resolution (12 megapixels)
doesn't contain selfie friendly display
wide angle not the best (35mm)
sluggish maximum aperture (f2.7)
68
lighter than average in class (235 grams)
MP count good (16 megapixels)
has built in flash
relatively wide (28mm)
very long reach (560mm)
missing Timelapse mode
display is not selfie friendly
slow maximum aperture (f3.1)
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Landscape Comparison

Canon A3100 IS Landscape photography info
Pentax VS20 Landscape photography info
27
image stabilization (Optical)
focusing manually not possible
fixed lens (fixed lens mount)
wide angle not the best (35mm)
sluggish maximum aperture (f2.7)
tiny screen (2.7 inches)
manual exposure not possible
low resolution (12 megapixels)
very small sensor size (1/2.3")
lack of RAW support
lack of Time Lapse mode
47
focusing manually
relatively wide (28mm)
pretty good screen size (3 inches)
built in image stabilization (Sensor-shift)
MP count good (16 megapixels)
fixed lens (fixed lens mount)
slow maximum aperture (f3.1)
no manual mode
sensor is tiny (1/2.3")
lacks RAW format
missing Timelapse mode
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Vlogging Comparison

Canon A3100 IS Vlogging information
Pentax VS20 Vlogging information
25
image stabilization (Optical)
wide angle not the best (35mm)
sluggish maximum aperture (f2.7)
doesn't contain selfie friendly display
video quality not great (640 x 480 pxls)
lack of mic port
30
relatively wide (28mm)
built in image stabilization (Sensor-shift)
lighter than average in class (235 grams)
slow maximum aperture (f3.1)
display is not selfie friendly
video quality not great (1280 x 720 pxls)
missing microphone support
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Canon A3100 IS vs Pentax VS20 Specifications

Detailed spec comparison table for Canon A3100 IS and Pentax VS20
 Canon PowerShot A3100 ISPentax Optio VS20
General Information
Manufacturer Canon Pentax
Model type Canon PowerShot A3100 IS Pentax Optio VS20
Category Small Sensor Compact Small Sensor Superzoom
Revealed 2010-01-05 2012-01-25
Physical type Compact Compact
Sensor Information
Sensor type CCD CCD
Sensor size 1/2.3" 1/2.3"
Sensor measurements 6.17 x 4.55mm 6.08 x 4.56mm
Sensor surface area 28.1mm² 27.7mm²
Sensor resolution 12MP 16MP
Anti alias filter
Aspect ratio 4:3 and 16:9 1:1, 4:3 and 16:9
Peak resolution 4000 x 3000 4608 x 3456
Highest native ISO 1600 6400
Min native ISO 100 100
RAW files
Autofocusing
Focus manually
Autofocus touch
Autofocus continuous
Single autofocus
Autofocus tracking
Selective autofocus
Center weighted autofocus
Multi area autofocus
Autofocus live view
Face detect focus
Contract detect focus
Phase detect focus
Total focus points 9 3
Lens
Lens mount type fixed lens fixed lens
Lens zoom range 35-140mm (4.0x) 28-560mm (20.0x)
Largest aperture f/2.7-5.6 f/3.1-4.8
Macro focusing range 3cm 3cm
Focal length multiplier 5.8 5.9
Screen
Display type Fixed Type Fixed Type
Display size 2.7" 3"
Resolution of display 230k dots 460k dots
Selfie friendly
Liveview
Touch operation
Display tech - TFT color LCD with Anti-reflective coating
Viewfinder Information
Viewfinder type None None
Features
Min shutter speed 15s 4s
Max shutter speed 1/1600s 1/2500s
Continuous shutter rate 1.0 frames/s 1.0 frames/s
Shutter priority
Aperture priority
Manual mode
Set white balance
Image stabilization
Integrated flash
Flash distance 3.00 m 2.80 m
Flash options Auto, On, Off, Red-Eye, Fill-in, Slow Sync Auto, On, Off, Red-eye, Soft
Hot shoe
AEB
White balance bracketing
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Video resolutions 640 x 480 (30 fps), 320 x 240 (30 fps) 1280 x 720 (30, 15 fps), 640 x 480 (30, 15 fps), 320 x 240 (30, 15 fps)
Highest video resolution 640x480 1280x720
Video format Motion JPEG Motion JPEG
Microphone support
Headphone support
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
Environmental sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 165 grams (0.36 pounds) 235 grams (0.52 pounds)
Dimensions 97 x 58 x 28mm (3.8" x 2.3" x 1.1") 111 x 61 x 38mm (4.4" x 2.4" x 1.5")
DXO scores
DXO Overall rating not tested not tested
DXO Color Depth rating not tested not tested
DXO Dynamic range rating not tested not tested
DXO Low light rating not tested not tested
Other
Battery ID NB-8L D-LI122
Self timer Yes (2, 10, Custom, Face) Yes (2 or 10 sec)
Time lapse feature
Type of storage SD/SDHC/SDXC/MMC/MMCplus/HD MMCplus SD/SDHC/SDXC, Internal
Card slots 1 1
Retail cost $159 $106