Pentax Efina vs Sony S2100
97 Imaging
37 Features
26 Overall
32
93 Imaging
34 Features
17 Overall
27
Pentax Efina vs Sony S2100 Key Specs
(Full Review)
- 14MP - 1/2.3" Sensor
- 2.5" Fixed Screen
- ISO 80 - 1600
- Digital Image Stabilization
- 1280 x 720 video
- 26-130mm (F3.5-6.3) lens
- 91g - 87 x 54 x 21mm
- Launched June 2013
(Full Review)
- 12MP - 1/2.3" Sensor
- 3" Fixed Screen
- ISO 100 - 3200
- 640 x 480 video
- 33-105mm (F3.1-5.6) lens
- 167g - 98 x 61 x 27mm
- Announced January 2010
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On this page, we will be reviewing the Pentax Efina vs Sony S2100, former is a Ultracompact while the latter is a Small Sensor Compact by rivals Pentax and Sony. The sensor resolution of the Efina (14MP) and the S2100 (12MP) is pretty well matched and both cameras posses the same sensor sizes (1/2.3").
Samsung Releases Faster Versions of EVO MicroSD CardsThe Efina was announced 3 years after the S2100 which is quite a big difference as far as technology is concerned. Both the cameras have different body design with the Pentax Efina being a Ultracompact camera and the Sony S2100 being a Compact camera.
Before getting right into a in depth comparison, here is a short summary of how the Efina grades versus the S2100 with regards to portability, imaging, features and an overall score.
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Here is a preview of the gallery images for Pentax Efina & Sony Cyber-shot DSC-S2100. The whole galleries are available at Pentax Efina Gallery & Sony S2100 Gallery.
Reasons to pick Pentax Efina over the Sony S2100
| Efina | S2100 | |||
|---|---|---|---|---|
| Announced | June 2013 | January 2010 | More modern by 42 months |
Reasons to pick Sony S2100 over the Pentax Efina
| S2100 | Efina | |||
|---|---|---|---|---|
| Screen dimensions | 3" | 2.5" | Bigger screen (+0.5") |
Common features in the Pentax Efina and Sony S2100
| Efina | S2100 | |||
|---|---|---|---|---|
| Focus manually | No manual focus | |||
| Screen type | Fixed | Fixed | Fixed screen | |
| Screen resolution | 230k | 230k | The same screen resolution | |
| Selfie screen | Missing selfie screen | |||
| Touch screen | Missing Touch screen |
Pentax Efina vs Sony S2100 Physical Comparison
If you're going to carry around your camera often, you'll have to think about its weight and proportions. The Pentax Efina has got external measurements of 87mm x 54mm x 21mm (3.4" x 2.1" x 0.8") along with a weight of 91 grams (0.20 lbs) whilst the Sony S2100 has measurements of 98mm x 61mm x 27mm (3.9" x 2.4" x 1.1") and a weight of 167 grams (0.37 lbs).
Contrast the Pentax Efina vs Sony S2100 in our newest Camera & Lens Size Comparison Tool.
Remember, the weight of an ILC will vary based on the lens you are utilising at that time. The following is a front view measurements comparison of the Efina and the S2100.

Using dimensions and weight, the portability grade of the Efina and S2100 is 97 and 93 respectively.
Pentax Efina vs Sony S2100 Sensor Comparison
Quite often, it is very difficult to visualize the difference between sensor sizes only by checking technical specs. The image here will give you a clearer sense of the sensor measurements in the Efina and S2100.
As you have seen, both of the cameras provide the same sensor dimensions albeit different megapixels. You can expect the Pentax Efina to resolve extra detail with its extra 2MP. Higher resolution will also help you crop photographs more aggressively. The more recent Efina should have an edge in sensor tech.
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Pentax Efina vs Sony S2100 Specifications
| Pentax Efina | Sony Cyber-shot DSC-S2100 | |
|---|---|---|
| General Information | ||
| Make | Pentax | Sony |
| Model | Pentax Efina | Sony Cyber-shot DSC-S2100 |
| Class | Ultracompact | Small Sensor Compact |
| Launched | 2013-06-03 | 2010-01-07 |
| Physical type | Ultracompact | Compact |
| Sensor Information | ||
| Chip | - | Bionz |
| 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 | 14 megapixels | 12 megapixels |
| Anti aliasing filter | ||
| Aspect ratio | 4:3, 3:2 and 16:9 | 4:3, 3:2 and 16:9 |
| Highest Possible resolution | 4288 x 3216 | 4000 x 3000 |
| Maximum native ISO | 1600 | 3200 |
| Min native ISO | 80 | 100 |
| RAW support | ||
| Autofocusing | ||
| Focus manually | ||
| Autofocus touch | ||
| Continuous autofocus | ||
| Autofocus single | ||
| Autofocus tracking | ||
| Autofocus selectice | ||
| Center weighted autofocus | ||
| Autofocus multi area | ||
| Live view autofocus | ||
| Face detection autofocus | ||
| Contract detection autofocus | ||
| Phase detection autofocus | ||
| Number of focus points | - | 9 |
| Cross focus points | - | - |
| Lens | ||
| Lens mount | fixed lens | fixed lens |
| Lens focal range | 26-130mm (5.0x) | 33-105mm (3.2x) |
| Maximum aperture | f/3.5-6.3 | f/3.1-5.6 |
| Macro focus range | 20cm | 5cm |
| Focal length multiplier | 5.8 | 5.8 |
| Screen | ||
| Type of screen | Fixed Type | Fixed Type |
| Screen size | 2.5 inch | 3 inch |
| Screen resolution | 230 thousand dots | 230 thousand dots |
| Selfie friendly | ||
| Liveview | ||
| Touch display | ||
| Screen tech | QVGA TFT LCD | - |
| Viewfinder Information | ||
| Viewfinder | None | None |
| Features | ||
| Min shutter speed | 1/8 secs | 1 secs |
| Max shutter speed | 1/1400 secs | 1/1200 secs |
| Continuous shutter rate | - | 1.0 frames/s |
| Shutter priority | ||
| Aperture priority | ||
| Expose Manually | ||
| Custom white balance | ||
| Image stabilization | ||
| Built-in flash | ||
| Flash range | 4.10 m | 3.30 m |
| Flash options | Auto, Auto Red-eye Reduction, Forced On, Forced Off | Auto, On, Off, Slow syncro |
| Hot shoe | ||
| AEB | ||
| White balance bracketing | ||
| Exposure | ||
| Multisegment exposure | ||
| Average exposure | ||
| Spot exposure | ||
| Partial exposure | ||
| AF area exposure | ||
| Center weighted exposure | ||
| Video features | ||
| Supported video resolutions | 1280 x 720, 640 x 480 | 640 x 480 (30 fps), 320 x 240 (30 fps) |
| Maximum video resolution | 1280x720 | 640x480 |
| Video format | - | Motion JPEG |
| Microphone support | ||
| Headphone support | ||
| Connectivity | ||
| Wireless | None | None |
| Bluetooth | ||
| NFC | ||
| HDMI | ||
| USB | USB 2.0 (480 Mbit/sec) | USB 2.0 (480 Mbit/sec) |
| GPS | None | None |
| Physical | ||
| Environmental sealing | ||
| Water proof | ||
| Dust proof | ||
| Shock proof | ||
| Crush proof | ||
| Freeze proof | ||
| Weight | 91 grams (0.20 pounds) | 167 grams (0.37 pounds) |
| Physical dimensions | 87 x 54 x 21mm (3.4" x 2.1" x 0.8") | 98 x 61 x 27mm (3.9" x 2.4" x 1.1") |
| 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 | 200 photos | - |
| Form of battery | Battery Pack | - |
| Battery model | D-LI109 | 2 x AA |
| Self timer | Yes | Yes (2 or 10 sec) |
| Time lapse recording | ||
| Storage type | SC/SDHC, Internal | Memory Stick Duo/Pro Duo, optional SD, Internal |
| Card slots | Single | Single |
| Pricing at release | $10 | $0 |