Canon A2100 IS vs Pentax K-r
92 Imaging
34 Features
20 Overall
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67 Imaging
52 Features
52 Overall
52
Canon A2100 IS vs Pentax K-r 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)
- 12MP - APS-C Sensor
- 3" Fixed Screen
- ISO 200 - 12800 (Boost to 25600)
- Sensor based Image Stabilization
- 1/6000s Maximum Shutter
- 1280 x 720 video
- Pentax KAF2 Mount
- 598g - 125 x 97 x 68mm
- Released March 2011

Canon A2100 IS vs Pentax K-r Overview
Here is a complete review of the Canon A2100 IS and Pentax K-r, former being a Small Sensor Compact while the latter is a Entry-Level DSLR by brands Canon and Pentax. The sensor resolution of the A2100 IS (12MP) and the K-r (12MP) is pretty close but the A2100 IS (1/2.3") and K-r (APS-C) provide different sensor dimensions.

The A2100 IS was launched 3 years prior to the K-r and that is a fairly big difference as far as camera tech is concerned. Both cameras have different body design with the Canon A2100 IS being a Compact camera and the Pentax K-r being a Compact SLR camera.
Before getting straight to a comprehensive comparison, here is a short synopsis of how the A2100 IS grades vs the K-r when it comes to portability, imaging, features and an overall rating.

Canon A2100 IS vs Pentax K-r Gallery
Following is a preview of the gallery images for Canon PowerShot A2100 IS & Pentax K-r. The complete galleries are provided at Canon A2100 IS Gallery & Pentax K-r Gallery.
Reasons to pick Canon A2100 IS over the Pentax K-r
A2100 IS | K-r |
---|
Reasons to pick Pentax K-r over the Canon A2100 IS
K-r | A2100 IS | |||
---|---|---|---|---|
Released | March 2011 | ![]() | February 2009 | Fresher by 25 months |
Manual focus | ![]() | Dial precise focusing | ||
Screen resolution | 921k | ![]() | 230k | Sharper screen (+691k dot) |
Common features in the Canon A2100 IS and Pentax K-r
A2100 IS | K-r | |||
---|---|---|---|---|
Screen type | Fixed | ![]() | Fixed | Fixed screen |
Screen dimensions | 3" | ![]() | 3" | Equal screen sizing |
Selfie screen | ![]() | Missing selfie screen | ||
Touch screen | ![]() | Neither features Touch screen |
Canon A2100 IS vs Pentax K-r Physical Comparison
When you are intending to carry your camera often, you will have to take into account its weight and measurements. The Canon A2100 IS enjoys physical dimensions of 102mm x 64mm x 32mm (4.0" x 2.5" x 1.3") having a weight of 185 grams (0.41 lbs) and the Pentax K-r has proportions of 125mm x 97mm x 68mm (4.9" x 3.8" x 2.7") along with a weight of 598 grams (1.32 lbs).
Compare the Canon A2100 IS and Pentax K-r in our completely new Camera & Lens Size Comparison Tool.
Take into consideration, the weight of an ILC will vary depending on the lens you choose at that moment. The following is a front view measurement comparison of the A2100 IS vs the K-r.

Factoring in size and weight, the portability rating of the A2100 IS and K-r is 92 and 67 respectively.

Canon A2100 IS vs Pentax K-r Sensor Comparison
Often, its tough to imagine the contrast in sensor sizing just by looking through specifications. The photograph here will offer you a clearer sense of the sensor dimensions in the A2100 IS and K-r.
To sum up, both of these cameras provide the same MP albeit different sensor sizing. The A2100 IS has got the smaller sensor which is going to make obtaining shallow DOF trickier. The older A2100 IS will be behind in sensor tech.

Canon A2100 IS vs Pentax K-r Screen and ViewFinder


Photography Type Scores
Portrait Comparison

Street Comparison

Sports Comparison

Travel Comparison

Landscape Comparison

Vlogging Comparison

Canon A2100 IS vs Pentax K-r Specifications
Canon PowerShot A2100 IS | Pentax K-r | |
---|---|---|
General Information | ||
Make | Canon | Pentax |
Model type | Canon PowerShot A2100 IS | Pentax K-r |
Class | Small Sensor Compact | Entry-Level DSLR |
Announced | 2009-02-18 | 2011-03-11 |
Body design | Compact | Compact SLR |
Sensor Information | ||
Chip | - | Prime II |
Sensor type | CCD | CMOS |
Sensor size | 1/2.3" | APS-C |
Sensor measurements | 6.17 x 4.55mm | 23.6 x 15.8mm |
Sensor area | 28.1mm² | 372.9mm² |
Sensor resolution | 12MP | 12MP |
Anti alias filter | ||
Aspect ratio | 4:3 and 16:9 | 3:2 |
Maximum resolution | 4000 x 3000 | 4288 x 2848 |
Maximum native ISO | 1600 | 12800 |
Maximum boosted ISO | - | 25600 |
Lowest native ISO | 80 | 200 |
RAW data | ||
Lowest boosted ISO | - | 100 |
Autofocusing | ||
Manual focusing | ||
Touch focus | ||
Autofocus continuous | ||
Autofocus single | ||
Autofocus tracking | ||
Autofocus selectice | ||
Autofocus center weighted | ||
Multi area autofocus | ||
Live view autofocus | ||
Face detect focus | ||
Contract detect focus | ||
Phase detect focus | ||
Total focus points | 9 | 11 |
Cross type focus points | - | 9 |
Lens | ||
Lens support | fixed lens | Pentax KAF2 |
Lens zoom range | 36-216mm (6.0x) | - |
Maximal aperture | f/3.2-5.9 | - |
Macro focusing range | 1cm | - |
Amount of lenses | - | 151 |
Crop factor | 5.8 | 1.5 |
Screen | ||
Display type | Fixed Type | Fixed Type |
Display sizing | 3" | 3" |
Resolution of display | 230k dot | 921k dot |
Selfie friendly | ||
Liveview | ||
Touch functionality | ||
Display tech | - | TFT LCD monitor |
Viewfinder Information | ||
Viewfinder | None | Optical (pentamirror) |
Viewfinder coverage | - | 96 percent |
Viewfinder magnification | - | 0.57x |
Features | ||
Slowest shutter speed | 15 secs | 30 secs |
Maximum shutter speed | 1/1600 secs | 1/6000 secs |
Continuous shooting speed | 1.0 frames/s | 6.0 frames/s |
Shutter priority | ||
Aperture priority | ||
Manual exposure | ||
Exposure compensation | - | Yes |
Custom white balance | ||
Image stabilization | ||
Built-in flash | ||
Flash distance | 3.50 m | 12.00 m (at ISO 100) |
Flash settings | Auto, Fill-in, Red-Eye reduction, Slow Sync, Off | Auto, Red-eye Reduction, Slow-speed Sync, Trailing Curtain Sync, High-Speed Sync and Wireless Sync |
External flash | ||
AEB | ||
White balance bracketing | ||
Maximum flash sync | - | 1/180 secs |
Exposure | ||
Multisegment exposure | ||
Average exposure | ||
Spot exposure | ||
Partial exposure | ||
AF area exposure | ||
Center weighted exposure | ||
Video features | ||
Supported video resolutions | 640 x 480 (30 fps), 320 x 240 (30 fps) | 1280 x 720 (25 fps), 640 x 480 (25 fps) |
Maximum video resolution | 640x480 | 1280x720 |
Video file format | Motion JPEG | Motion JPEG |
Microphone jack | ||
Headphone jack | ||
Connectivity | ||
Wireless | None | None |
Bluetooth | ||
NFC | ||
HDMI | ||
USB | USB 2.0 (480 Mbit/sec) | USB 2.0 (480 Mbit/sec) |
GPS | None | Optional |
Physical | ||
Environment seal | ||
Water proofing | ||
Dust proofing | ||
Shock proofing | ||
Crush proofing | ||
Freeze proofing | ||
Weight | 185 gr (0.41 lbs) | 598 gr (1.32 lbs) |
Physical dimensions | 102 x 64 x 32mm (4.0" x 2.5" x 1.3") | 125 x 97 x 68mm (4.9" x 3.8" x 2.7") |
DXO scores | ||
DXO All around rating | not tested | 72 |
DXO Color Depth rating | not tested | 22.9 |
DXO Dynamic range rating | not tested | 12.4 |
DXO Low light rating | not tested | 755 |
Other | ||
Battery life | - | 470 photos |
Battery form | - | Battery Pack |
Battery ID | 2 x AA | D-LI109,4 x AA |
Self timer | Yes (2, 10, Custom, Face) | Yes (2 or 12 sec) |
Time lapse shooting | ||
Storage media | SD/SDHC/MMC/MMCplus/HD MMCplus | SD/SDHC |
Storage slots | 1 | 1 |
Retail pricing | $220 | $1,100 |