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Canon A2100 IS vs Pentax W90

Portability
92
Imaging
34
Features
20
Overall
28
Canon PowerShot A2100 IS front
 
Pentax Optio W90 front
Portability
94
Imaging
35
Features
21
Overall
29

Canon A2100 IS vs Pentax W90 Key Specs

Canon A2100 IS
(Full Review)
  • 12MP - 1/2.3" Sensor
  • 3" Fixed Screen
  • ISO 80 - 1600
  • Optical Image Stabilization
  • 640 x 480 video
  • 36-216mm (F3.2-5.9) lens
  • 185g - 102 x 64 x 32mm
  • Released February 2009
Pentax W90
(Full Review)
  • 12MP - 1/2.3" Sensor
  • 2.7" Fixed Screen
  • ISO 80 - 6400
  • 1280 x 720 video
  • 28-140mm (F3.5-5.5) lens
  • 164g - 108 x 59 x 25mm
  • Launched February 2010
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Canon A2100 IS vs Pentax W90 Overview

Below is a extended review of the Canon A2100 IS versus Pentax W90, one being a Small Sensor Compact and the latter is a Waterproof by brands Canon and Pentax. The image resolution of the A2100 IS (12MP) and the W90 (12MP) is relatively close and both cameras boast the identical sensor sizing (1/2.3").

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The A2100 IS was brought out 12 months prior to the W90 which means that they are both of a similar generation. The two cameras feature the same body design (Compact).

Before diving right into a thorough comparison, here is a brief synopsis of how the A2100 IS scores versus the W90 for portability, imaging, features and an overall grade.

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Reasons to pick Canon A2100 IS over the Pentax W90

 A2100 IS W90 
Screen size3"2.7"Bigger screen (+0.3")

Reasons to pick Pentax W90 over the Canon A2100 IS

 W90 A2100 IS 
LaunchedFebruary 2010February 2009More recent by 12 months
Focus manually More accurate focusing

Common features in the Canon A2100 IS and Pentax W90

 A2100 IS W90 
Screen typeFixed Fixed Fixed screen
Screen resolution230k230kExact same screen resolution
Selfie screen Neither contains selfie screen
Touch screen Neither contains Touch screen

Canon A2100 IS vs Pentax W90 Physical Comparison

For anybody who is going to lug around your camera regularly, you will have to factor its weight and measurements. The Canon A2100 IS has got external measurements of 102mm x 64mm x 32mm (4.0" x 2.5" x 1.3") accompanied by a weight of 185 grams (0.41 lbs) while the Pentax W90 has proportions of 108mm x 59mm x 25mm (4.3" x 2.3" x 1.0") accompanied by a weight of 164 grams (0.36 lbs).

Check the Canon A2100 IS versus Pentax W90 in the new Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Remember, the weight of an Interchangeable Lens Camera will differ dependant on the lens you are utilising at the time. Underneath is a front view proportions comparison of the A2100 IS versus the W90.

Canon A2100 IS vs Pentax W90 size comparison

Taking into account dimensions and weight, the portability score of the A2100 IS and W90 is 92 and 94 respectively.

Canon A2100 IS vs Pentax W90 top view buttons comparison

Canon A2100 IS vs Pentax W90 Sensor Comparison

Typically, it is tough to see the gap in sensor measurements just by looking through technical specs. The photograph below should offer you a clearer sense of the sensor sizing in the A2100 IS and W90.

As you have seen, each of the cameras feature the identical sensor size and the same megapixels therefore you should expect comparable quality of photographs however you will want to take the release date of the cameras into account. The older A2100 IS will be behind when it comes to sensor tech.

Canon A2100 IS vs Pentax W90 sensor size comparison

Canon A2100 IS vs Pentax W90 Screen and ViewFinder

Canon A2100 IS vs Pentax W90 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Canon A2100 IS Portrait photography factors
Pentax W90 Portrait photography factors
26
features face detect autofocus
focusing manually not possible
no manual exposure
can't use external flash
sensor resolution low (12 megapixels)
very small sensor size (1/2.3")
does not have RAW support
27
has manual focus
lack of manual mode
no external flash support
low resolution sensor (12 megapixels)
sensor is very small (1/2.3")
no RAW format
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Street Comparison

Street photography with Canon A2100 IS
Street photography with Pentax W90
55
has image stabilization (Optical)
no moving screen
very small sensor size (1/2.3")
does not have RAW support
54
weather sealing
screen does not articulate
does not have image stabilization
sensor is very small (1/2.3")
no RAW format
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Sports Comparison

Sports photography with Canon A2100 IS
Sports photography with Pentax W90
25
has image stabilization (Optical)
low frames per second (1.0 frames per second)
no shutter priority mode
sensor resolution low (12 megapixels)
very small sensor size (1/2.3")
does not have phase detect autofocus
24
weather sealing
max fps very slow (1.0 frames per second)
no shutter priority
does not have image stabilization
low resolution sensor (12 megapixels)
sensor is very small (1/2.3")
no phase detect AF
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Travel Comparison

Canon A2100 IS as a Travel photography camera
Pentax W90 as a Travel photography camera
50
has built in flash
missing Time Lapse recording
sensor resolution low (12 megapixels)
display isn't selfie friendly
wide angle not great (36mm)
somewhat slow max aperture (f3.2)
64
weather sealing
built-in flash
reasonably wide (28mm)
low resolution sensor (12 megapixels)
screen is not selfie friendly
slow maximum aperture (f3.5)
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Landscape Comparison

Canon A2100 IS Landscape photography factors
Pentax W90 Landscape photography factors
31
screen is a good size (3 inches)
has image stabilization (Optical)
focusing manually not possible
lens is fixed (fixed lens mount)
wide angle not great (36mm)
somewhat slow max aperture (f3.2)
no manual exposure
sensor resolution low (12 megapixels)
very small sensor size (1/2.3")
does not have RAW support
missing Time Lapse recording
37
has manual focus
reasonably wide (28mm)
weather sealing
fixed lens (fixed lens mount)
slow maximum aperture (f3.5)
small screen (2.7 inches)
lack of manual mode
does not have image stabilization
low resolution sensor (12 megapixels)
sensor is very small (1/2.3")
no RAW format
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Vlogging Comparison

Vlogging with Canon A2100 IS
Vlogging with Pentax W90
27
has image stabilization (Optical)
features face detect autofocus
wide angle not great (36mm)
somewhat slow max aperture (f3.2)
display isn't selfie friendly
video res low (640 x 480 pxls)
missing mic port
25
reasonably wide (28mm)
slow maximum aperture (f3.5)
screen is not selfie friendly
does not have image stabilization
video quality not great (1280 x 720 resolution)
no external microphone socket
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Canon A2100 IS vs Pentax W90 Specifications

Detailed spec comparison table for Canon A2100 IS and Pentax W90
 Canon PowerShot A2100 ISPentax Optio W90
General Information
Manufacturer Canon Pentax
Model type Canon PowerShot A2100 IS Pentax Optio W90
Type Small Sensor Compact Waterproof
Released 2009-02-18 2010-02-24
Physical type Compact Compact
Sensor Information
Chip - Prime
Sensor type CCD CCD
Sensor size 1/2.3" 1/2.3"
Sensor measurements 6.17 x 4.55mm 6.17 x 4.55mm
Sensor surface area 28.1mm² 28.1mm²
Sensor resolution 12 megapixel 12 megapixel
Anti alias filter
Aspect ratio 4:3 and 16:9 4:3, 3:2 and 16:9
Peak resolution 4000 x 3000 4000 x 3000
Highest native ISO 1600 6400
Minimum native ISO 80 80
RAW pictures
Autofocusing
Focus manually
Touch focus
Autofocus continuous
Autofocus single
Tracking autofocus
Autofocus selectice
Center weighted autofocus
Multi area autofocus
Live view autofocus
Face detection autofocus
Contract detection autofocus
Phase detection autofocus
Total focus points 9 9
Lens
Lens support fixed lens fixed lens
Lens zoom range 36-216mm (6.0x) 28-140mm (5.0x)
Highest aperture f/3.2-5.9 f/3.5-5.5
Macro focusing range 1cm 1cm
Crop factor 5.8 5.8
Screen
Screen type Fixed Type Fixed Type
Screen size 3 inch 2.7 inch
Screen resolution 230k dots 230k dots
Selfie friendly
Liveview
Touch display
Viewfinder Information
Viewfinder None None
Features
Min shutter speed 15 secs 4 secs
Max shutter speed 1/1600 secs 1/1500 secs
Continuous shutter rate 1.0fps 1.0fps
Shutter priority
Aperture priority
Expose Manually
Custom white balance
Image stabilization
Built-in flash
Flash distance 3.50 m 3.90 m
Flash options Auto, Fill-in, Red-Eye reduction, Slow Sync, Off Auto, On, Off, Red-eye, Soft
External flash
Auto exposure bracketing
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 file format Motion JPEG Motion JPEG
Microphone 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 185 grams (0.41 pounds) 164 grams (0.36 pounds)
Physical dimensions 102 x 64 x 32mm (4.0" x 2.5" x 1.3") 108 x 59 x 25mm (4.3" x 2.3" x 1.0")
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 2 x AA D-LI68
Self timer Yes (2, 10, Custom, Face) Yes (2 or 10 sec)
Time lapse recording
Type of storage SD/SDHC/MMC/MMCplus/HD MMCplus SD/SDHC card, Internal
Card slots 1 1
Launch pricing $220 $120