Pentax K-3 vs Sony NEX-3N
59 Imaging
64 Features
85 Overall
72
89 Imaging
57 Features
52 Overall
55
Pentax K-3 vs Sony NEX-3N Key Specs
(Full Review)
- 24MP - APS-C Sensor
- 3.2" Fixed Display
- ISO 100 - 51200
- Sensor based Image Stabilization
- No Anti-Alias Filter
- 1/8000s Maximum Shutter
- 1920 x 1080 video
- Pentax KAF2 Mount
- 800g - 131 x 100 x 77mm
- Revealed April 2014
- Updated by Pentax K-3 II
(Full Review)
- 16MP - APS-C Sensor
- 3" Tilting Display
- ISO 200 - 16000
- 1920 x 1080 video
- Sony E Mount
- 269g - 110 x 62 x 35mm
- Released February 2013
- Older Model is Sony NEX-F3
- Successor is Sony a5000
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On this page, we are reviewing the Pentax K-3 vs Sony NEX-3N, former being a Advanced DSLR while the other is a Entry-Level Mirrorless by manufacturers Pentax and Sony. There exists a considerable gap between the resolutions of the K-3 (24MP) and NEX-3N (16MP) but both cameras posses the same sensor measurements (APS-C).
Photobucket discusses licensing 13 billion images with AI firmsThe K-3 was brought out 14 months later than the NEX-3N making them a generation apart from one another. Both the cameras have different body design with the Pentax K-3 being a Mid-size SLR camera and the Sony NEX-3N being a Rangefinder-style mirrorless camera.
Before getting right into a in-depth comparison, here is a short summation of how the K-3 grades versus the NEX-3N in the way of portability, imaging, features and an overall rating.
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The following is a sample of the gallery pictures for Pentax K-3 & Sony Alpha NEX-3N. The entire galleries are available at Pentax K-3 Gallery & Sony NEX-3N Gallery.
Reasons to pick Pentax K-3 over the Sony NEX-3N
| K-3 | NEX-3N | |||
|---|---|---|---|---|
| Released | April 2014 | February 2013 | Fresher by 14 months | |
| Display dimensions | 3.2" | 3" | Larger display (+0.2") | |
| Display resolution | 1037k | 460k | Sharper display (+577k dot) |
Reasons to pick Sony NEX-3N over the Pentax K-3
| NEX-3N | K-3 | |||
|---|---|---|---|---|
| Display type | Tilting | Fixed | Tilting display |
Common features in the Pentax K-3 and Sony NEX-3N
| K-3 | NEX-3N | |||
|---|---|---|---|---|
| Manually focus | More accurate focusing | |||
| Selfie screen | Absent selfie screen | |||
| Touch display | Absent Touch display |
Pentax K-3 vs Sony NEX-3N Physical Comparison
In case you're aiming to carry your camera frequently, you are going to need to factor its weight and proportions. The Pentax K-3 features exterior dimensions of 131mm x 100mm x 77mm (5.2" x 3.9" x 3.0") accompanied by a weight of 800 grams (1.76 lbs) and the Sony NEX-3N has measurements of 110mm x 62mm x 35mm (4.3" x 2.4" x 1.4") accompanied by a weight of 269 grams (0.59 lbs).
See the Pentax K-3 vs Sony NEX-3N in our brand new Camera plus Lens Size Comparison Tool.
Always remember, the weight of an ILC will vary depending on the lens you are working with at that moment. Here is a front view scale comparison of the K-3 versus the NEX-3N.

Factoring in dimensions and weight, the portability grade of the K-3 and NEX-3N is 59 and 89 respectively.
Pentax K-3 vs Sony NEX-3N Sensor Comparison
Sometimes, it can be difficult to visualize the contrast between sensor sizing only by reviewing technical specs. The visual here may give you a stronger sense of the sensor sizes in the K-3 and NEX-3N.
As you have seen, both of those cameras have the same sensor dimensions but different megapixels. You can anticipate the Pentax K-3 to offer more detail having its extra 8MP. Greater resolution will also let you crop pics a bit more aggressively. The fresher K-3 should have a benefit when it comes to sensor tech.
Pentax K-3 vs Sony NEX-3N Screen and ViewFinder
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Pentax K-3 vs Sony NEX-3N Specifications
| Pentax K-3 | Sony Alpha NEX-3N | |
|---|---|---|
| General Information | ||
| Brand | Pentax | Sony |
| Model type | Pentax K-3 | Sony Alpha NEX-3N |
| Class | Advanced DSLR | Entry-Level Mirrorless |
| Revealed | 2014-04-10 | 2013-02-25 |
| Physical type | Mid-size SLR | Rangefinder-style mirrorless |
| Sensor Information | ||
| Powered by | Prime III | Bionz |
| Sensor type | CMOS | CMOS |
| Sensor size | APS-C | APS-C |
| Sensor dimensions | 23.5 x 15.6mm | 23.5 x 15.6mm |
| Sensor area | 366.6mm² | 366.6mm² |
| Sensor resolution | 24 megapixels | 16 megapixels |
| Anti alias filter | ||
| Aspect ratio | 3:2 | 3:2 and 16:9 |
| Maximum resolution | 6016 x 4000 | 4912 x 3264 |
| Maximum native ISO | 51200 | 16000 |
| Min native ISO | 100 | 200 |
| RAW format | ||
| Autofocusing | ||
| Focus manually | ||
| Autofocus touch | ||
| Autofocus continuous | ||
| Autofocus single | ||
| Autofocus tracking | ||
| Autofocus selectice | ||
| Center weighted autofocus | ||
| Multi area autofocus | ||
| Live view autofocus | ||
| Face detect focus | ||
| Contract detect focus | ||
| Phase detect focus | ||
| Total focus points | 27 | 25 |
| Cross type focus points | 25 | - |
| Lens | ||
| Lens support | Pentax KAF2 | Sony E |
| Number of lenses | 151 | 121 |
| Focal length multiplier | 1.5 | 1.5 |
| Screen | ||
| Display type | Fixed Type | Tilting |
| Display diagonal | 3.2" | 3" |
| Resolution of display | 1,037k dots | 460k dots |
| Selfie friendly | ||
| Liveview | ||
| Touch operation | ||
| Display technology | TFT LCD monitor | - |
| Viewfinder Information | ||
| Viewfinder | Optical (pentaprism) | None |
| Viewfinder coverage | 100 percent | - |
| Viewfinder magnification | 0.64x | - |
| Features | ||
| Lowest shutter speed | 30s | 30s |
| Highest shutter speed | 1/8000s | 1/4000s |
| Continuous shooting rate | 8.0fps | 4.0fps |
| Shutter priority | ||
| Aperture priority | ||
| Manual mode | ||
| Exposure compensation | Yes | Yes |
| Custom white balance | ||
| Image stabilization | ||
| Built-in flash | ||
| Flash distance | 13.00 m (at ISO 100) | - |
| Flash settings | Auto, on, off, red-eye, slow sync, slow sync + red-eye, trailing curtain sync, high speed, wireless, manual | - |
| Hot shoe | ||
| Auto exposure bracketing | ||
| White balance bracketing | ||
| Highest flash synchronize | 1/180s | 1/160s |
| Exposure | ||
| Multisegment | ||
| Average | ||
| Spot | ||
| Partial | ||
| AF area | ||
| Center weighted | ||
| Video features | ||
| Video resolutions | 1920 x 1080 (60i, 50i, 30p, 25p, 24p), 1280 x 720 (60p, 50p, 30p, 25p, 24p) | 1920 x 1080 |
| Maximum video resolution | 1920x1080 | 1920x1080 |
| Video data format | MPEG-4, H.264 | MPEG-4, AVCHD |
| Mic support | ||
| Headphone support | ||
| Connectivity | ||
| Wireless | None | None |
| Bluetooth | ||
| NFC | ||
| HDMI | ||
| USB | USB 3.0 (5 GBit/sec) | USB 2.0 (480 Mbit/sec) |
| GPS | Optional | None |
| Physical | ||
| Environmental sealing | ||
| Water proofing | ||
| Dust proofing | ||
| Shock proofing | ||
| Crush proofing | ||
| Freeze proofing | ||
| Weight | 800 grams (1.76 lbs) | 269 grams (0.59 lbs) |
| Physical dimensions | 131 x 100 x 77mm (5.2" x 3.9" x 3.0") | 110 x 62 x 35mm (4.3" x 2.4" x 1.4") |
| DXO scores | ||
| DXO All around rating | 80 | 74 |
| DXO Color Depth rating | 23.7 | 22.8 |
| DXO Dynamic range rating | 13.4 | 12.5 |
| DXO Low light rating | 1216 | 1067 |
| Other | ||
| Battery life | 560 photographs | 480 photographs |
| Battery style | Battery Pack | Battery Pack |
| Battery ID | D-LI90 | NPFW50 |
| Self timer | Yes ( 2 or 12 seconds) | - |
| Time lapse recording | ||
| Type of storage | Dual SD/SDHC/SDXC | SD/ SDHC/SDXC, Memory Stick Pro Duo/ Pro-HG Duo |
| Card slots | Two | 1 |
| Retail cost | $639 | $399 |