Pentax K20D vs Sony NEX-F3
59 Imaging
53 Features
52 Overall
52


86 Imaging
57 Features
60 Overall
58
Pentax K20D vs Sony NEX-F3 Key Specs
(Full Review)
- 15MP - APS-C Sensor
- 2.7" Fixed Display
- ISO 100 - 3200 (Push to 6400)
- Sensor based Image Stabilization
- No Video
- Pentax KAF2 Mount
- 800g - 142 x 101 x 70mm
- Revealed June 2008
- Replaced the Pentax K10D
(Full Review)
- 16MP - APS-C Sensor
- 3" Tilting Display
- ISO 200 - 16000
- 1920 x 1080 video
- Sony E Mount
- 314g - 117 x 67 x 42mm
- Introduced August 2012
- Succeeded the Sony NEX-C3
- New Model is Sony NEX-3N

Pentax K20D vs Sony NEX-F3 Overview
Below, we are looking at the Pentax K20D and Sony NEX-F3, one being a Advanced DSLR and the other is a Entry-Level Mirrorless by manufacturers Pentax and Sony. The image resolution of the K20D (15MP) and the NEX-F3 (16MP) is fairly close and they use the exact same sensor sizing (APS-C).

The K20D was manufactured 5 years prior to the NEX-F3 and that is a fairly large gap as far as camera technology is concerned. Both cameras come with different body type with the Pentax K20D being a Mid-size SLR camera and the Sony NEX-F3 being a Rangefinder-style mirrorless camera.
Before diving in to a complete comparison, below is a simple overview of how the K20D matches up versus the NEX-F3 in regards to portability, imaging, features and an overall rating.

Pentax K20D vs Sony NEX-F3 Gallery
Here is a sample of the gallery pictures for Pentax K20D and Sony Alpha NEX-F3. The entire galleries are viewable at Pentax K20D Gallery and Sony NEX-F3 Gallery.
Reasons to pick Pentax K20D over the Sony NEX-F3
K20D | NEX-F3 |
---|
Reasons to pick Sony NEX-F3 over the Pentax K20D
NEX-F3 | K20D | |||
---|---|---|---|---|
Introduced | August 2012 | ![]() | June 2008 | Fresher by 50 months |
Display type | Tilting | ![]() | Fixed | Tilting display |
Display dimension | 3" | ![]() | 2.7" | Larger display (+0.3") |
Display resolution | 920k | ![]() | 230k | Crisper display (+690k dot) |
Common features in the Pentax K20D and Sony NEX-F3
K20D | NEX-F3 | |||
---|---|---|---|---|
Manually focus | ![]() | More exact focusing | ||
Selfie screen | ![]() | Neither contains selfie screen | ||
Touch friendly display | ![]() | Absent Touch friendly display |
Pentax K20D vs Sony NEX-F3 Physical Comparison
For anyone who is looking to carry your camera, you are going to need to factor in its weight and measurements. The Pentax K20D has got external measurements of 142mm x 101mm x 70mm (5.6" x 4.0" x 2.8") along with a weight of 800 grams (1.76 lbs) and the Sony NEX-F3 has proportions of 117mm x 67mm x 42mm (4.6" x 2.6" x 1.7") and a weight of 314 grams (0.69 lbs).
Compare the Pentax K20D and Sony NEX-F3 in the latest Camera with Lens Size Comparison Tool.
Always remember, the weight of an Interchangeable Lens Camera will vary depending on the lens you choose at that time. Underneath is the front view physical size comparison of the K20D compared to the NEX-F3.

Using dimensions and weight, the portability score of the K20D and NEX-F3 is 59 and 86 respectively.

Pentax K20D vs Sony NEX-F3 Sensor Comparison
Typically, it is very difficult to visualize the difference in sensor sizing simply by looking through a spec sheet. The photograph underneath may offer you a stronger sense of the sensor sizing in the K20D and NEX-F3.
Clearly, both of these cameras have got the exact same sensor measurements but different megapixels. You should anticipate the Sony NEX-F3 to render greater detail due to its extra 1MP. Greater resolution will help you crop photos much more aggressively. The older K20D will be behind in sensor innovation.

Pentax K20D vs Sony NEX-F3 Screen and ViewFinder


Photography Type Scores
Portrait Comparison

Street Comparison

Sports Comparison

Travel Comparison

Landscape Comparison

Vlogging Comparison

Pentax K20D vs Sony NEX-F3 Specifications
Pentax K20D | Sony Alpha NEX-F3 | |
---|---|---|
General Information | ||
Brand | Pentax | Sony |
Model | Pentax K20D | Sony Alpha NEX-F3 |
Type | Advanced DSLR | Entry-Level Mirrorless |
Revealed | 2008-06-25 | 2012-08-16 |
Physical type | Mid-size SLR | Rangefinder-style mirrorless |
Sensor Information | ||
Powered by | - | Bionz |
Sensor type | CMOS | CMOS |
Sensor size | APS-C | APS-C |
Sensor measurements | 23.4 x 15.6mm | 23.4 x 15.6mm |
Sensor surface area | 365.0mm² | 365.0mm² |
Sensor resolution | 15 megapixels | 16 megapixels |
Anti aliasing filter | ||
Aspect ratio | 3:2 | 3:2 and 16:9 |
Max resolution | 4672 x 3104 | 4912 x 3264 |
Max native ISO | 3200 | 16000 |
Max enhanced ISO | 6400 | - |
Min native ISO | 100 | 200 |
RAW support | ||
Autofocusing | ||
Focus manually | ||
Touch focus | ||
Autofocus continuous | ||
Single autofocus | ||
Tracking autofocus | ||
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 | ||
Type of display | Fixed Type | Tilting |
Display size | 2.7 inch | 3 inch |
Display resolution | 230 thousand dots | 920 thousand dots |
Selfie friendly | ||
Liveview | ||
Touch functionality | ||
Display tech | - | TFT Xtra Fine LCD |
Viewfinder Information | ||
Viewfinder | Optical (pentaprism) | Electronic (optional) |
Viewfinder coverage | 95% | - |
Viewfinder magnification | 0.64x | - |
Features | ||
Min shutter speed | 30s | 30s |
Max shutter speed | 1/4000s | 1/4000s |
Continuous shutter rate | 3.0fps | 6.0fps |
Shutter priority | ||
Aperture priority | ||
Manual mode | ||
Exposure compensation | Yes | Yes |
Change white balance | ||
Image stabilization | ||
Built-in flash | ||
Flash range | 13.00 m (at ISO 100) | - |
Flash settings | Auto, Red-Eye, Slow, Red-Eye Slow, Rear curtain, wireless | Auto, On, Off, Red-Eye, Slow Sync, Rear Curtain, Fill-in |
Hot shoe | ||
Auto exposure bracketing | ||
WB bracketing | ||
Max flash synchronize | 1/180s | 1/160s |
Exposure | ||
Multisegment metering | ||
Average metering | ||
Spot metering | ||
Partial metering | ||
AF area metering | ||
Center weighted metering | ||
Video features | ||
Supported video resolutions | - | 1920 x 1080 (60, 24 fps), 1440 x 1080 (30 fps), 640 x 480 (30 fps) |
Max video resolution | None | 1920x1080 |
Video data format | - | MPEG-4, AVCHD |
Microphone support | ||
Headphone support | ||
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 sealing | ||
Water proof | ||
Dust proof | ||
Shock proof | ||
Crush proof | ||
Freeze proof | ||
Weight | 800g (1.76 lbs) | 314g (0.69 lbs) |
Dimensions | 142 x 101 x 70mm (5.6" x 4.0" x 2.8") | 117 x 67 x 42mm (4.6" x 2.6" x 1.7") |
DXO scores | ||
DXO Overall score | 65 | 73 |
DXO Color Depth score | 22.9 | 22.7 |
DXO Dynamic range score | 11.1 | 12.3 |
DXO Low light score | 639 | 1114 |
Other | ||
Battery life | - | 470 images |
Form of battery | - | Battery Pack |
Battery model | D-LI50 | NPFW50 |
Self timer | Yes (2 or 10 sec) | Yes (2 or 10 sec, 10 sec 3 or 5 images) |
Time lapse feature | ||
Storage type | SD/MMC/SDHC card | SD/ SDHC/SDXC, Memory Stick Pro Duo/ Pro-HG Duo |
Card slots | Single | Single |
Pricing at release | $700 | $470 |