Canon A2100 IS vs Pentax WG-2 GPS
92 Imaging
34 Features
20 Overall
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91 Imaging
38 Features
37 Overall
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Canon A2100 IS vs Pentax WG-2 GPS 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
- Introduced February 2009
(Full Review)
- 16MP - 1/2.3" Sensor
- 3" Fixed Display
- ISO 125 - 6400
- 1920 x 1080 video
- 28-140mm (F3.5-5.5) lens
- 198g - 122 x 61 x 30mm
- Introduced February 2012
Photography Glossary Canon A2100 IS vs Pentax WG-2 GPS Overview
Below, we are analyzing the Canon A2100 IS and Pentax WG-2 GPS, one is a Small Sensor Compact and the other is a Waterproof by rivals Canon and Pentax. There is a sizeable difference between the sensor resolutions of the A2100 IS (12MP) and WG-2 GPS (16MP) but they possess the exact same sensor measurements (1/2.3").
Snapchat Adds Watermarks to AI-Created ImagesThe A2100 IS was revealed 4 years earlier than the WG-2 GPS which is quite a large gap as far as tech is concerned. Both the cameras come with the identical body type (Compact).
Before diving through a step-by-step comparison, below is a short summary of how the A2100 IS scores against the WG-2 GPS with respect to portability, imaging, features and an overall score.
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Following is a sample of the gallery pics for Canon PowerShot A2100 IS and Pentax Optio WG-2 GPS. The full galleries are provided at Canon A2100 IS Gallery and Pentax WG-2 GPS Gallery.
Reasons to pick Canon A2100 IS over the Pentax WG-2 GPS
| A2100 IS | WG-2 GPS |
|---|
Reasons to pick Pentax WG-2 GPS over the Canon A2100 IS
| WG-2 GPS | A2100 IS | |||
|---|---|---|---|---|
| Introduced | February 2012 | February 2009 | More modern by 36 months | |
| Manual focus | Dial accurate focus | |||
| Display resolution | 460k | 230k | Sharper display (+230k dot) |
Common features in the Canon A2100 IS and Pentax WG-2 GPS
| A2100 IS | WG-2 GPS | |||
|---|---|---|---|---|
| Display type | Fixed | Fixed | Fixed display | |
| Display dimension | 3" | 3" | Identical display measurements | |
| Selfie screen | Neither has selfie screen | |||
| Touch friendly display | Neither has Touch friendly display |
Canon A2100 IS vs Pentax WG-2 GPS Physical Comparison
For those who are looking to carry around your camera often, you will have to take into account its weight and proportions. The Canon A2100 IS has physical dimensions of 102mm x 64mm x 32mm (4.0" x 2.5" x 1.3") and a weight of 185 grams (0.41 lbs) and the Pentax WG-2 GPS has measurements of 122mm x 61mm x 30mm (4.8" x 2.4" x 1.2") along with a weight of 198 grams (0.44 lbs).
Look at the Canon A2100 IS and Pentax WG-2 GPS in the all new Camera with Lens Size Comparison Tool.
Don't forget, the weight of an Interchangeable Lens Camera will differ based on the lens you use during that time. Underneath is the front view overall size comparison of the A2100 IS compared to the WG-2 GPS.

Looking at size and weight, the portability rating of the A2100 IS and WG-2 GPS is 92 and 91 respectively.
Canon A2100 IS vs Pentax WG-2 GPS Sensor Comparison
Often, its hard to visualize the gap between sensor sizes just by going over a spec sheet. The picture here will give you a stronger sense of the sensor sizes in the A2100 IS and WG-2 GPS.
Clearly, the 2 cameras posses the exact same sensor measurements but different megapixels. You should expect to see the Pentax WG-2 GPS to deliver extra detail because of its extra 4MP. Greater resolution will allow you to crop images somewhat more aggressively. The more aged A2100 IS is going to be disadvantaged with regard to sensor tech.
Canon A2100 IS vs Pentax WG-2 GPS Screen and ViewFinder
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Canon A2100 IS vs Pentax WG-2 GPS Specifications
| Canon PowerShot A2100 IS | Pentax Optio WG-2 GPS | |
|---|---|---|
| General Information | ||
| Make | Canon | Pentax |
| Model | Canon PowerShot A2100 IS | Pentax Optio WG-2 GPS |
| Category | Small Sensor Compact | Waterproof |
| Introduced | 2009-02-18 | 2012-02-07 |
| Physical type | Compact | Compact |
| Sensor Information | ||
| Sensor type | CCD | BSI-CMOS |
| 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 megapixels | 16 megapixels |
| Anti aliasing filter | ||
| Aspect ratio | 4:3 and 16:9 | 1:1, 4:3 and 16:9 |
| Max resolution | 4000 x 3000 | 4288 x 3216 |
| Max native ISO | 1600 | 6400 |
| Lowest native ISO | 80 | 125 |
| RAW photos | ||
| Autofocusing | ||
| Focus manually | ||
| Autofocus touch | ||
| Continuous autofocus | ||
| Autofocus single | ||
| Tracking autofocus | ||
| Selective autofocus | ||
| Autofocus center weighted | ||
| Autofocus multi area | ||
| Autofocus live view | ||
| Face detection autofocus | ||
| Contract detection autofocus | ||
| Phase detection autofocus | ||
| Number of focus points | 9 | 9 |
| Lens | ||
| Lens mounting type | fixed lens | fixed lens |
| Lens focal range | 36-216mm (6.0x) | 28-140mm (5.0x) |
| Largest aperture | f/3.2-5.9 | f/3.5-5.5 |
| Macro focus distance | 1cm | 1cm |
| Focal length multiplier | 5.8 | 5.8 |
| Screen | ||
| Type of screen | Fixed Type | Fixed Type |
| Screen sizing | 3 inches | 3 inches |
| Screen resolution | 230k dots | 460k dots |
| Selfie friendly | ||
| Liveview | ||
| Touch screen | ||
| Screen tech | - | Widescreen TFT color LCD with anti-reflective coating |
| Viewfinder Information | ||
| Viewfinder type | None | None |
| Features | ||
| Min shutter speed | 15 secs | 4 secs |
| Max shutter speed | 1/1600 secs | 1/4000 secs |
| Continuous shutter rate | 1.0 frames per second | 1.0 frames per second |
| Shutter priority | ||
| Aperture priority | ||
| Expose Manually | ||
| Custom white balance | ||
| Image stabilization | ||
| Integrated flash | ||
| Flash range | 3.50 m | 5.40 m |
| Flash options | Auto, Fill-in, Red-Eye reduction, Slow Sync, Off | Auto, On, Off, Red-eye, Soft |
| Hot shoe | ||
| Auto exposure bracketing | ||
| White balance bracketing | ||
| Exposure | ||
| Multisegment metering | ||
| Average metering | ||
| Spot metering | ||
| Partial metering | ||
| AF area metering | ||
| Center weighted metering | ||
| Video features | ||
| Supported video resolutions | 640 x 480 (30 fps), 320 x 240 (30 fps) | 1920 x 1080 (30 fps), 1280 x 720 (60, 30 fps), 640 x 480 (30fps), 320 x 240 (30, 15 fps) |
| Max video resolution | 640x480 | 1920x1080 |
| Video data format | Motion JPEG | MPEG-4, H.264 |
| 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 | BuiltIn |
| Physical | ||
| Environmental sealing | ||
| Water proof | ||
| Dust proof | ||
| Shock proof | ||
| Crush proof | ||
| Freeze proof | ||
| Weight | 185 grams (0.41 pounds) | 198 grams (0.44 pounds) |
| Dimensions | 102 x 64 x 32mm (4.0" x 2.5" x 1.3") | 122 x 61 x 30mm (4.8" x 2.4" x 1.2") |
| DXO scores | ||
| DXO Overall score | not tested | not tested |
| DXO Color Depth score | not tested | not tested |
| DXO Dynamic range score | not tested | not tested |
| DXO Low light score | not tested | not tested |
| Other | ||
| Battery life | - | 260 pictures |
| Battery style | - | Battery Pack |
| Battery model | 2 x AA | D-LI92 |
| Self timer | Yes (2, 10, Custom, Face) | Yes (2 or 10 sec) |
| Time lapse recording | ||
| Storage type | SD/SDHC/MMC/MMCplus/HD MMCplus | SD/SDHC/SDXC card, Internal |
| Card slots | One | One |
| Pricing at release | $220 | $300 |