Canon A2100 IS vs Pentax S1
92 Imaging
34 Features
20 Overall
28


93 Imaging
37 Features
31 Overall
34
Canon A2100 IS vs Pentax S1 Key Specs
(Full Review)
- 12MP - 1/2.3" Sensor
- 3" Fixed Display
- ISO 80 - 1600
- Optical Image Stabilization
- 640 x 480 video
- 36-216mm (F3.2-5.9) lens
- 185g - 102 x 64 x 32mm
- Announced February 2009
(Full Review)
- 14MP - 1/2.3" Sensor
- 2.7" Fixed Display
- ISO 80 - 6400
- Sensor-shift Image Stabilization
- 1280 x 720 video
- 28-140mm (F3.5-5.5) lens
- 157g - 114 x 58 x 28mm
- Revealed March 2011

Canon A2100 IS vs Pentax S1 Overview
Here, we are reviewing the Canon A2100 IS vs Pentax S1, both Small Sensor Compact cameras by manufacturers Canon and Pentax. The resolution of the A2100 IS (12MP) and the S1 (14MP) is fairly close and both cameras posses the identical sensor dimensions (1/2.3").

The A2100 IS was launched 24 months before the S1 making them a generation apart from one another. Each of these cameras feature the same body design (Compact).
Before getting right into a comprehensive comparison, here is a quick summary of how the A2100 IS grades against the S1 for portability, imaging, features and an overall rating.

Canon A2100 IS vs Pentax S1 Gallery
Following is a sample of the gallery pictures for Canon PowerShot A2100 IS & Pentax Optio S1. The complete galleries are available at Canon A2100 IS Gallery & Pentax S1 Gallery.
Reasons to pick Canon A2100 IS over the Pentax S1
A2100 IS | S1 | |||
---|---|---|---|---|
Display size | 3" | ![]() | 2.7" | Larger display (+0.3") |
Reasons to pick Pentax S1 over the Canon A2100 IS
S1 | A2100 IS | |||
---|---|---|---|---|
Revealed | March 2011 | ![]() | February 2009 | Fresher by 24 months |
Manually focus | ![]() | Dial exact focusing |
Common features in the Canon A2100 IS and Pentax S1
A2100 IS | S1 | |||
---|---|---|---|---|
Display type | Fixed | ![]() | Fixed | Fixed display |
Display resolution | 230k | ![]() | 230k | Equal display resolution |
Selfie screen | ![]() | Neither includes selfie screen | ||
Touch display | ![]() | Neither includes Touch display |
Canon A2100 IS vs Pentax S1 Physical Comparison
In case you're planning to carry your camera regularly, you will want to think about its weight and measurements. The Canon A2100 IS features physical measurements of 102mm x 64mm x 32mm (4.0" x 2.5" x 1.3") and a weight of 185 grams (0.41 lbs) while the Pentax S1 has proportions of 114mm x 58mm x 28mm (4.5" x 2.3" x 1.1") having a weight of 157 grams (0.35 lbs).
Check the Canon A2100 IS vs Pentax S1 in our newest Camera plus Lens Size Comparison Tool.
Always remember, the weight of an ILC will vary depending on the lens you have at the time. Here is a front view overall size comparison of the A2100 IS vs the S1.

Taking into consideration dimensions and weight, the portability score of the A2100 IS and S1 is 92 and 93 respectively.

Canon A2100 IS vs Pentax S1 Sensor Comparison
Typically, it is tough to see the gap in sensor sizing merely by looking through specifications. The photograph here may offer you a clearer sense of the sensor sizing in the A2100 IS and S1.
Plainly, both of those cameras come with the identical sensor size but not the same MP. You can anticipate the Pentax S1 to result in more detail utilizing its extra 2MP. Greater resolution will also allow you to crop images a good deal more aggressively. The older A2100 IS will be disadvantaged in sensor tech.

Canon A2100 IS vs Pentax S1 Screen and ViewFinder


Photography Type Scores
Portrait Comparison

Street Comparison

Sports Comparison

Travel Comparison

Landscape Comparison

Vlogging Comparison

Canon A2100 IS vs Pentax S1 Specifications
Canon PowerShot A2100 IS | Pentax Optio S1 | |
---|---|---|
General Information | ||
Brand Name | Canon | Pentax |
Model type | Canon PowerShot A2100 IS | Pentax Optio S1 |
Type | Small Sensor Compact | Small Sensor Compact |
Announced | 2009-02-18 | 2011-03-02 |
Body design | Compact | Compact |
Sensor Information | ||
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 area | 28.1mm² | 28.1mm² |
Sensor resolution | 12 megapixel | 14 megapixel |
Anti alias filter | ||
Aspect ratio | 4:3 and 16:9 | 1:1, 4:3 and 16:9 |
Maximum resolution | 4000 x 3000 | 4288 x 3216 |
Maximum native ISO | 1600 | 6400 |
Lowest native ISO | 80 | 80 |
RAW format | ||
Autofocusing | ||
Focus manually | ||
Touch focus | ||
Continuous AF | ||
Single AF | ||
Tracking AF | ||
Selective AF | ||
AF center weighted | ||
AF multi area | ||
AF live view | ||
Face detect AF | ||
Contract detect AF | ||
Phase detect AF | ||
Total focus points | 9 | 9 |
Lens | ||
Lens support | fixed lens | fixed lens |
Lens zoom range | 36-216mm (6.0x) | 28-140mm (5.0x) |
Maximal aperture | f/3.2-5.9 | f/3.5-5.5 |
Macro focusing distance | 1cm | 1cm |
Crop factor | 5.8 | 5.8 |
Screen | ||
Range of display | Fixed Type | Fixed Type |
Display sizing | 3 inch | 2.7 inch |
Resolution of display | 230k dot | 230k dot |
Selfie friendly | ||
Liveview | ||
Touch capability | ||
Display tech | - | TFT color LCD with Anti-reflective coating |
Viewfinder Information | ||
Viewfinder | None | None |
Features | ||
Slowest shutter speed | 15 seconds | 4 seconds |
Maximum shutter speed | 1/1600 seconds | 1/1500 seconds |
Continuous shooting speed | 1.0 frames/s | 1.0 frames/s |
Shutter priority | ||
Aperture priority | ||
Manual exposure | ||
Custom WB | ||
Image stabilization | ||
Built-in flash | ||
Flash distance | 3.50 m | 3.90 m |
Flash modes | Auto, Fill-in, Red-Eye reduction, Slow Sync, Off | Auto, On, Off, Red-eye, Soft |
Hot shoe | ||
AEB | ||
White balance bracketing | ||
Exposure | ||
Multisegment metering | ||
Average metering | ||
Spot metering | ||
Partial metering | ||
AF area metering | ||
Center weighted metering | ||
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) |
Maximum video resolution | 640x480 | 1280x720 |
Video data format | Motion JPEG | Motion JPEG |
Microphone input | ||
Headphone input | ||
Connectivity | ||
Wireless | None | None |
Bluetooth | ||
NFC | ||
HDMI | ||
USB | USB 2.0 (480 Mbit/sec) | USB 2.0 (480 Mbit/sec) |
GPS | None | None |
Physical | ||
Environment seal | ||
Water proofing | ||
Dust proofing | ||
Shock proofing | ||
Crush proofing | ||
Freeze proofing | ||
Weight | 185g (0.41 lb) | 157g (0.35 lb) |
Physical dimensions | 102 x 64 x 32mm (4.0" x 2.5" x 1.3") | 114 x 58 x 28mm (4.5" x 2.3" x 1.1") |
DXO scores | ||
DXO All around 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 life | - | 260 images |
Battery format | - | Battery Pack |
Battery ID | 2 x AA | D-LI92 |
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/SDXC, Internal |
Storage slots | 1 | 1 |
Retail price | $220 | $174 |