Pentax K-x vs Sony NEX-F3
69 Imaging
51 Features
47 Overall
49
86 Imaging
56 Features
60 Overall
57
Pentax K-x vs Sony NEX-F3 Key Specs
(Full Review)
- 12MP - APS-C Sensor
- 2.7" Fixed Display
- ISO 100 - 6400 (Push to 12800)
- Sensor based Image Stabilization
- 1/6000s Max Shutter
- 1280 x 720 video
- Pentax KAF2 Mount
- 580g - 123 x 92 x 68mm
- Announced December 2009
(Full Review)
- 16MP - APS-C Sensor
- 3" Tilting Screen
- ISO 200 - 16000
- 1920 x 1080 video
- Sony E Mount
- 314g - 117 x 67 x 42mm
- Revealed August 2012
- Superseded the Sony NEX-C3
- Later Model is Sony NEX-3N
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Below, we will be contrasting the Pentax K-x and Sony NEX-F3, former being a Entry-Level DSLR while the latter is a Entry-Level Mirrorless by companies Pentax and Sony. There exists a noticeable gap among the sensor resolutions of the K-x (12MP) and NEX-F3 (16MP) but they possess the exact same sensor dimensions (APS-C).
Photobucket discusses licensing 13 billion images with AI firmsThe K-x was brought out 3 years before the NEX-F3 and that is a fairly sizable difference as far as camera technology is concerned. Both cameras come with different body type with the Pentax K-x being a Compact SLR camera and the Sony NEX-F3 being a Rangefinder-style mirrorless camera.
Before diving straight into a thorough comparison, below is a concise summary of how the K-x grades vs the NEX-F3 when it comes to portability, imaging, features and an overall rating.
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Below is a preview of the gallery images for Pentax K-x & Sony Alpha NEX-F3. The entire galleries are available at Pentax K-x Gallery & Sony NEX-F3 Gallery.
Reasons to pick Pentax K-x over the Sony NEX-F3
| K-x | NEX-F3 |
|---|
Reasons to pick Sony NEX-F3 over the Pentax K-x
| NEX-F3 | K-x | |||
|---|---|---|---|---|
| Revealed | August 2012 | December 2009 | Fresher by 32 months | |
| Screen type | Tilting | Fixed | Tilting screen | |
| Screen dimension | 3" | 2.7" | Bigger screen (+0.3") | |
| Screen resolution | 920k | 230k | Sharper screen (+690k dot) |
Common features in the Pentax K-x and Sony NEX-F3
| K-x | NEX-F3 | |||
|---|---|---|---|---|
| Manually focus | Dial accurate focusing | |||
| Selfie screen | No selfie screen | |||
| Touch friendly screen | No Touch friendly screen |
Pentax K-x vs Sony NEX-F3 Physical Comparison
If you're planning to carry your camera regularly, you will need to think about its weight and measurements. The Pentax K-x has got exterior measurements of 123mm x 92mm x 68mm (4.8" x 3.6" x 2.7") and a weight of 580 grams (1.28 lbs) whilst the Sony NEX-F3 has proportions of 117mm x 67mm x 42mm (4.6" x 2.6" x 1.7") with a weight of 314 grams (0.69 lbs).
Contrast the Pentax K-x and Sony NEX-F3 in our completely new Camera plus Lens Size Comparison Tool.
Always remember, the weight of an ILC will vary dependant on the lens you use at that moment. Underneath is the front view measurement comparison of the K-x compared to the NEX-F3.

Taking into account dimensions and weight, the portability score of the K-x and NEX-F3 is 69 and 86 respectively.
Pentax K-x vs Sony NEX-F3 Sensor Comparison
Sometimes, it is very tough to envision the difference in sensor sizing merely by seeing specs. The visual below will help give you a more clear sense of the sensor sizing in the K-x and NEX-F3.
All in all, both of those cameras posses the exact same sensor measurements albeit not the same resolution. You can expect the Sony NEX-F3 to show more detail having its extra 4MP. Higher resolution will also let you crop shots somewhat more aggressively. The older K-x will be behind when it comes to sensor technology.
Pentax K-x vs Sony NEX-F3 Screen and ViewFinder
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Pentax K-x vs Sony NEX-F3 Specifications
| Pentax K-x | Sony Alpha NEX-F3 | |
|---|---|---|
| General Information | ||
| Make | Pentax | Sony |
| Model | Pentax K-x | Sony Alpha NEX-F3 |
| Class | Entry-Level DSLR | Entry-Level Mirrorless |
| Announced | 2009-12-23 | 2012-08-16 |
| Body design | Compact SLR | Rangefinder-style mirrorless |
| Sensor Information | ||
| Powered by | Prime | Bionz |
| Sensor type | CMOS | CMOS |
| Sensor size | APS-C | APS-C |
| Sensor measurements | 23.6 x 15.8mm | 23.4 x 15.6mm |
| Sensor area | 372.9mm² | 365.0mm² |
| Sensor resolution | 12MP | 16MP |
| Anti aliasing filter | ||
| Aspect ratio | 3:2 | 3:2 and 16:9 |
| Max resolution | 4288 x 2848 | 4912 x 3264 |
| Max native ISO | 6400 | 16000 |
| Max enhanced ISO | 12800 | - |
| Min native ISO | 100 | 200 |
| RAW files | ||
| Autofocusing | ||
| Manual focus | ||
| Touch focus | ||
| Autofocus continuous | ||
| Autofocus single | ||
| Autofocus tracking | ||
| Selective autofocus | ||
| Center weighted autofocus | ||
| Multi area autofocus | ||
| Autofocus live view | ||
| Face detect focus | ||
| Contract detect focus | ||
| Phase detect focus | ||
| Number of focus points | 11 | 25 |
| Lens | ||
| Lens mounting type | Pentax KAF2 | Sony E |
| Number of lenses | 151 | 121 |
| Crop factor | 1.5 | 1.5 |
| Screen | ||
| Display type | Fixed Type | Tilting |
| Display size | 2.7 inch | 3 inch |
| Resolution of display | 230k dot | 920k dot |
| Selfie friendly | ||
| Liveview | ||
| Touch display | ||
| Display tech | TFT LCD monitor | TFT Xtra Fine LCD |
| Viewfinder Information | ||
| Viewfinder | Optical (pentamirror) | Electronic (optional) |
| Viewfinder coverage | 96 percent | - |
| Viewfinder magnification | 0.57x | - |
| Features | ||
| Minimum shutter speed | 30s | 30s |
| Fastest shutter speed | 1/6000s | 1/4000s |
| Continuous shutter speed | 5.0fps | 6.0fps |
| Shutter priority | ||
| Aperture priority | ||
| Expose Manually | ||
| Exposure compensation | Yes | Yes |
| Custom white balance | ||
| Image stabilization | ||
| Inbuilt flash | ||
| Flash range | 16.00 m | - |
| Flash settings | Auto, On, Off, Red-Eye, Slow Sync, Rear curtain, Wireless | Auto, On, Off, Red-Eye, Slow Sync, Rear Curtain, Fill-in |
| External flash | ||
| AE bracketing | ||
| WB bracketing | ||
| Fastest flash sync | 1/180s | 1/160s |
| Exposure | ||
| Multisegment exposure | ||
| Average exposure | ||
| Spot exposure | ||
| Partial exposure | ||
| AF area exposure | ||
| Center weighted exposure | ||
| Video features | ||
| Video resolutions | 1280 x 720 (24 fps), 640 x 416 (24 fps) | 1920 x 1080 (60, 24 fps), 1440 x 1080 (30 fps), 640 x 480 (30 fps) |
| Max video resolution | 1280x720 | 1920x1080 |
| Video format | Motion JPEG | MPEG-4, AVCHD |
| 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 proof | ||
| Dust proof | ||
| Shock proof | ||
| Crush proof | ||
| Freeze proof | ||
| Weight | 580g (1.28 pounds) | 314g (0.69 pounds) |
| Dimensions | 123 x 92 x 68mm (4.8" x 3.6" x 2.7") | 117 x 67 x 42mm (4.6" x 2.6" x 1.7") |
| DXO scores | ||
| DXO Overall score | 72 | 73 |
| DXO Color Depth score | 22.8 | 22.7 |
| DXO Dynamic range score | 12.5 | 12.3 |
| DXO Low light score | 811 | 1114 |
| Other | ||
| Battery life | 1900 photos | 470 photos |
| Type of battery | Battery Pack | Battery Pack |
| Battery model | 4 x AA | NPFW50 |
| Self timer | Yes (2 or 12 sec) | Yes (2 or 10 sec, 10 sec 3 or 5 images) |
| Time lapse shooting | ||
| Type of storage | SD/SDHC card | SD/ SDHC/SDXC, Memory Stick Pro Duo/ Pro-HG Duo |
| Storage slots | 1 | 1 |
| Pricing at release | $600 | $470 |