Canon A2100 IS vs Pentax W90
92 Imaging
34 Features
20 Overall
28


94 Imaging
35 Features
21 Overall
29
Canon A2100 IS vs Pentax W90 Key Specs
(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
(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

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").

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.

Canon A2100 IS vs Pentax W90 Gallery
Here is a preview of the gallery photos for Canon PowerShot A2100 IS and Pentax Optio W90. The entire galleries are viewable at Canon A2100 IS Gallery and Pentax W90 Gallery.
Reasons to pick Canon A2100 IS over the Pentax W90
A2100 IS | W90 | |||
---|---|---|---|---|
Screen size | 3" | ![]() | 2.7" | Bigger screen (+0.3") |
Reasons to pick Pentax W90 over the Canon A2100 IS
W90 | A2100 IS | |||
---|---|---|---|---|
Launched | February 2010 | ![]() | February 2009 | More recent by 12 months |
Focus manually | ![]() | More accurate focusing |
Common features in the Canon A2100 IS and Pentax W90
A2100 IS | W90 | |||
---|---|---|---|---|
Screen type | Fixed | ![]() | Fixed | Fixed screen |
Screen resolution | 230k | ![]() | 230k | Exact 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.
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.

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 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 Screen and ViewFinder


Photography Type Scores
Portrait Comparison

Street Comparison

Sports Comparison

Travel Comparison

Landscape Comparison

Vlogging Comparison

Canon A2100 IS vs Pentax W90 Specifications
Canon PowerShot A2100 IS | Pentax 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 |