Canon A3100 IS vs Pentax RZ18
94 Imaging
34 Features
14 Overall
26
92 Imaging
38 Features
37 Overall
37
Canon A3100 IS vs Pentax RZ18 Key Specs
(Full Review)
- 12MP - 1/2.3" Sensor
- 2.7" Fixed Display
- ISO 100 - 1600
- Optical Image Stabilization
- 640 x 480 video
- 35-140mm (F2.7-5.6) lens
- 165g - 97 x 58 x 28mm
- Announced January 2010
(Full Review)
- 16MP - 1/2.3" Sensor
- 3" Fixed Screen
- ISO 80 - 6400
- Sensor-shift Image Stabilization
- 1280 x 720 video
- 25-450mm (F3.5-5.9) lens
- 178g - 97 x 61 x 33mm
- Released September 2011
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The following is a complete comparison of the Canon A3100 IS vs Pentax RZ18, one is a Small Sensor Compact and the latter is a Small Sensor Superzoom by companies Canon and Pentax. There is a huge difference among the sensor resolutions of the A3100 IS (12MP) and RZ18 (16MP) but both cameras offer the same sensor size (1/2.3").
Photography GlossaryThe A3100 IS was revealed 20 months before the RZ18 which makes them a generation away from each other. Both the cameras have the same body design (Compact).
Before going into a complete comparison, here is a simple highlight of how the A3100 IS matches up versus the RZ18 in regards to portability, imaging, features and an overall mark.
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Here is a preview of the gallery photos for Canon PowerShot A3100 IS and Pentax Optio RZ18. The full galleries are viewable at Canon A3100 IS Gallery and Pentax RZ18 Gallery.
Reasons to pick Canon A3100 IS over the Pentax RZ18
| A3100 IS | RZ18 |
|---|
Reasons to pick Pentax RZ18 over the Canon A3100 IS
| RZ18 | A3100 IS | |||
|---|---|---|---|---|
| Released | September 2011 |  | January 2010 | Newer by 20 months |
| Manually focus |  | Dial exact focus | ||
| Screen dimensions | 3" |  | 2.7" | Bigger screen (+0.3") |
| Screen resolution | 460k |  | 230k | Crisper screen (+230k dot) |
Common features in the Canon A3100 IS and Pentax RZ18
| A3100 IS | RZ18 | |||
|---|---|---|---|---|
| Screen type | Fixed |  | Fixed | Fixed screen |
| Selfie screen |  | Neither provides selfie screen | ||
| Touch friendly screen |  | Neither provides Touch friendly screen |
Canon A3100 IS vs Pentax RZ18 Physical Comparison
If you're aiming to travel with your camera, you'll need to factor in its weight and proportions. The Canon A3100 IS provides external measurements of 97mm x 58mm x 28mm (3.8" x 2.3" x 1.1") having a weight of 165 grams (0.36 lbs) while the Pentax RZ18 has measurements of 97mm x 61mm x 33mm (3.8" x 2.4" x 1.3") with a weight of 178 grams (0.39 lbs).
Analyze the Canon A3100 IS vs Pentax RZ18 in the new Camera with Lens Size Comparison Tool.
Do not forget, the weight of an Interchangeable Lens Camera will change depending on the lens you choose at that time. The following is a front view measurement comparison of the A3100 IS compared to the RZ18.
Factoring in size and weight, the portability rating of the A3100 IS and RZ18 is 94 and 92 respectively.
Canon A3100 IS vs Pentax RZ18 Sensor Comparison
In many cases, it can be tough to visualize the difference in sensor dimensions just by checking out a spec sheet. The pic here will give you a greater sense of the sensor sizing in the A3100 IS and RZ18.
Clearly, both of the cameras provide the same sensor dimensions albeit different resolution. You should count on the Pentax RZ18 to produce extra detail because of its extra 4MP. Higher resolution will also allow you to crop photographs more aggressively. The more aged A3100 IS will be disadvantaged with regard to sensor technology.
Canon A3100 IS vs Pentax RZ18 Screen and ViewFinder
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Canon A3100 IS vs Pentax RZ18 Specifications
| Canon PowerShot A3100 IS | Pentax Optio RZ18 | |
|---|---|---|
| General Information | ||
| Brand Name | Canon | Pentax |
| Model type | Canon PowerShot A3100 IS | Pentax Optio RZ18 |
| Type | Small Sensor Compact | Small Sensor Superzoom |
| Announced | 2010-01-05 | 2011-09-12 |
| 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 | 6.08 x 4.56mm |
| Sensor surface area | 28.1mm² | 27.7mm² |
| Sensor resolution | 12MP | 16MP |
| Anti alias filter | ||
| Aspect ratio | 4:3 and 16:9 | 1:1, 4:3 and 16:9 |
| Peak resolution | 4000 x 3000 | 4608 x 3456 |
| Highest native ISO | 1600 | 6400 |
| Minimum native ISO | 100 | 80 |
| RAW pictures | ||
| Autofocusing | ||
| Manual focusing | ||
| Touch to focus | ||
| Continuous autofocus | ||
| Autofocus single | ||
| Tracking autofocus | ||
| Autofocus selectice | ||
| Autofocus center weighted | ||
| Autofocus multi area | ||
| Live view autofocus | ||
| Face detect autofocus | ||
| Contract detect autofocus | ||
| Phase detect autofocus | ||
| Total focus points | 9 | 9 |
| Lens | ||
| Lens support | fixed lens | fixed lens |
| Lens zoom range | 35-140mm (4.0x) | 25-450mm (18.0x) |
| Maximum aperture | f/2.7-5.6 | f/3.5-5.9 |
| Macro focusing range | 3cm | 4cm |
| Crop factor | 5.8 | 5.9 |
| Screen | ||
| Display type | Fixed Type | Fixed Type |
| Display diagonal | 2.7 inch | 3 inch |
| Display resolution | 230 thousand dot | 460 thousand dot |
| Selfie friendly | ||
| Liveview | ||
| Touch operation | ||
| Display tech | - | TFT color LCD with Anti-reflective coating |
| Viewfinder Information | ||
| Viewfinder type | None | None |
| Features | ||
| Minimum shutter speed | 15 seconds | 4 seconds |
| Fastest shutter speed | 1/1600 seconds | 1/2000 seconds |
| Continuous shutter speed | 1.0 frames/s | 1.0 frames/s |
| Shutter priority | ||
| Aperture priority | ||
| Expose Manually | ||
| Set white balance | ||
| Image stabilization | ||
| Integrated flash | ||
| Flash distance | 3.00 m | 2.80 m |
| Flash modes | Auto, On, Off, Red-Eye, Fill-in, Slow Sync | Auto, On, Off, Red-eye, Soft |
| External flash | ||
| AE bracketing | ||
| WB bracketing | ||
| Exposure | ||
| Multisegment | ||
| Average | ||
| Spot | ||
| Partial | ||
| AF area | ||
| Center weighted | ||
| Video features | ||
| Supported 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 jack | ||
| Headphone jack | ||
| 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 seal | ||
| Water proofing | ||
| Dust proofing | ||
| Shock proofing | ||
| Crush proofing | ||
| Freeze proofing | ||
| Weight | 165 grams (0.36 pounds) | 178 grams (0.39 pounds) |
| Physical dimensions | 97 x 58 x 28mm (3.8" x 2.3" x 1.1") | 97 x 61 x 33mm (3.8" x 2.4" x 1.3") |
| 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 | NB-8L | D-LI92 |
| Self timer | Yes (2, 10, Custom, Face) | Yes (2 or 10 sec) |
| Time lapse shooting | ||
| Storage media | SD/SDHC/SDXC/MMC/MMCplus/HD MMCplus | SD/SDHC/SDXC, Internal |
| Storage slots | Single | Single |
| Retail pricing | $159 | $210 |