Pentax K-1 vs Sony NEX-3
55 Imaging
74 Features
82 Overall
77
89 Imaging
53 Features
55 Overall
53
Pentax K-1 vs Sony NEX-3 Key Specs
(Full Review)
- 36MP - Full frame Sensor
- 3.2" Fully Articulated Screen
- ISO 100 - 204800
- Sensor based 5-axis Image Stabilization
- No Anti-Alias Filter
- 1/8000s Max Shutter
- 1920 x 1080 video
- Pentax KAF2 Mount
- 1010g - 137 x 110 x 86mm
- Introduced February 2016
- Successor is Pentax K-1 II
(Full Review)
- 14MP - APS-C Sensor
- 3" Tilting Screen
- ISO 200 - 12800
- 1280 x 720 video
- Sony E Mount
- 297g - 117 x 62 x 33mm
- Launched June 2010
- Renewed by Sony NEX-C3
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Lets take a more detailed look at the Pentax K-1 and Sony NEX-3, one being a Advanced DSLR and the latter is a Entry-Level Mirrorless by rivals Pentax and Sony. There exists a crucial gap between the resolutions of the K-1 (36MP) and NEX-3 (14MP) and the K-1 (Full frame) and NEX-3 (APS-C) provide different sensor dimensions.
Pentax 17 Pre-Orders Outperform Expectations by a LandslideThe K-1 was released 5 years later than the NEX-3 and that is quite a serious gap as far as technology is concerned. Both of the cameras have different body design with the Pentax K-1 being a Mid-size SLR camera and the Sony NEX-3 being a Rangefinder-style mirrorless camera.
Before delving straight to a comprehensive comparison, here is a simple highlight of how the K-1 scores against the NEX-3 in relation to portability, imaging, features and an overall rating.
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Following is a preview of the gallery images for Pentax K-1 and Sony Alpha NEX-3. The complete galleries are available at Pentax K-1 Gallery and Sony NEX-3 Gallery.
Reasons to pick Pentax K-1 over the Sony NEX-3
| K-1 | NEX-3 | |||
|---|---|---|---|---|
| Launched | February 2016 | June 2010 | Fresher by 70 months | |
| Screen type | Fully Articulated | Tilting | Fully Articulating screen | |
| Screen dimensions | 3.2" | 3" | Bigger screen (+0.2") | |
| Screen resolution | 1037k | 920k | Sharper screen (+117k dot) |
Reasons to pick Sony NEX-3 over the Pentax K-1
| NEX-3 | K-1 |
|---|
Common features in the Pentax K-1 and Sony NEX-3
| K-1 | NEX-3 | |||
|---|---|---|---|---|
| Manual focus | Very accurate focusing | |||
| Selfie screen | Missing selfie screen | |||
| Touch screen | Missing Touch screen |
Pentax K-1 vs Sony NEX-3 Physical Comparison
If you're looking to carry your camera, you should consider its weight and volume. The Pentax K-1 enjoys outside measurements of 137mm x 110mm x 86mm (5.4" x 4.3" x 3.4") along with a weight of 1010 grams (2.23 lbs) whilst the Sony NEX-3 has sizing of 117mm x 62mm x 33mm (4.6" x 2.4" x 1.3") having a weight of 297 grams (0.65 lbs).
Analyze the Pentax K-1 and Sony NEX-3 in the latest Camera and Lens Size Comparison Tool.
Remember, the weight of an Interchangeable Lens Camera will change based on the lens you are employing during that time. Underneath is a front view proportions comparison of the K-1 versus the NEX-3.

Using dimensions and weight, the portability rating of the K-1 and NEX-3 is 55 and 89 respectively.
Pentax K-1 vs Sony NEX-3 Sensor Comparison
Normally, it's hard to visualize the difference between sensor sizing merely by reviewing specifications. The visual below will help offer you a clearer sense of the sensor sizing in the K-1 and NEX-3.
To sum up, both cameras have different resolutions and different sensor sizing. The K-1 because of its bigger sensor is going to make getting shallower DOF easier and the Pentax K-1 will deliver extra detail as a result of its extra 22MP. Higher resolution can also enable you to crop photographs a bit more aggressively. The more recent K-1 should have a benefit in sensor innovation.
Pentax K-1 vs Sony NEX-3 Screen and ViewFinder
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Pentax K-1 vs Sony NEX-3 Specifications
| Pentax K-1 | Sony Alpha NEX-3 | |
|---|---|---|
| General Information | ||
| Brand | Pentax | Sony |
| Model type | Pentax K-1 | Sony Alpha NEX-3 |
| Class | Advanced DSLR | Entry-Level Mirrorless |
| Introduced | 2016-02-17 | 2010-06-07 |
| Body design | Mid-size SLR | Rangefinder-style mirrorless |
| Sensor Information | ||
| Processor | - | Bionz |
| Sensor type | CMOS | CMOS |
| Sensor size | Full frame | APS-C |
| Sensor measurements | 35.9 x 24mm | 23.4 x 15.6mm |
| Sensor surface area | 861.6mm² | 365.0mm² |
| Sensor resolution | 36 megapixels | 14 megapixels |
| Anti alias filter | ||
| Aspect ratio | 3:2 | 3:2 and 16:9 |
| Highest Possible resolution | 7360 x 4912 | 4592 x 3056 |
| Maximum native ISO | 204800 | 12800 |
| Minimum native ISO | 100 | 200 |
| RAW format | ||
| Autofocusing | ||
| Manual focusing | ||
| Touch focus | ||
| Autofocus continuous | ||
| Autofocus single | ||
| Tracking autofocus | ||
| Autofocus selectice | ||
| Center weighted autofocus | ||
| Multi area autofocus | ||
| Live view autofocus | ||
| Face detection autofocus | ||
| Contract detection autofocus | ||
| Phase detection autofocus | ||
| Total focus points | 33 | 25 |
| Cross type focus points | 25 | - |
| Lens | ||
| Lens support | Pentax KAF2 | Sony E |
| Available lenses | 151 | 121 |
| Crop factor | 1 | 1.5 |
| Screen | ||
| Range of screen | Fully Articulated | Tilting |
| Screen size | 3.2 inch | 3 inch |
| Screen resolution | 1,037k dot | 920k dot |
| Selfie friendly | ||
| Liveview | ||
| Touch functionality | ||
| Screen tech | - | TFT Xtra Fine LCD |
| Viewfinder Information | ||
| Viewfinder | Optical (pentaprism) | None |
| Viewfinder coverage | 100 percent | - |
| Viewfinder magnification | 0.7x | - |
| Features | ||
| Minimum shutter speed | 30 secs | 30 secs |
| Fastest shutter speed | 1/8000 secs | 1/4000 secs |
| Continuous shutter speed | 4.4 frames/s | 7.0 frames/s |
| Shutter priority | ||
| Aperture priority | ||
| Expose Manually | ||
| Exposure compensation | Yes | Yes |
| Set white balance | ||
| Image stabilization | ||
| Built-in flash | ||
| Flash distance | no built-in flash | 12.00 m |
| Flash settings | Auto Flash Discharge, Auto Flash + Red-eye Reduction, Flash On, Flash On + Red-eye Reduction, Slow-speed Sync, Slow-speed Sync + Red-eye, P-TTL, Trailing Curtain Sync, Contrast-control-sync, High-speed sync, Wireless sync | Auto, On, Off, Red-Eye, Slow Sync, Rear Curtain, Fill-in |
| External flash | ||
| Auto exposure bracketing | ||
| WB bracketing | ||
| Fastest flash sync | 1/200 secs | 1/160 secs |
| Exposure | ||
| Multisegment exposure | ||
| Average exposure | ||
| Spot exposure | ||
| Partial exposure | ||
| AF area exposure | ||
| Center weighted exposure | ||
| Video features | ||
| Supported video resolutions | 1920 x 1080 (60i, 50i, 30p, 25p, 24p), 1280 x 720 (60p, 50p) | 1280 x 720 (30 fps), 640 x 480 (30 fps) |
| Maximum video resolution | 1920x1080 | 1280x720 |
| Video data format | MPEG-4, H.264 | MPEG-4 |
| Microphone jack | ||
| Headphone jack | ||
| Connectivity | ||
| Wireless | Built-In | Eye-Fi Connected |
| Bluetooth | ||
| NFC | ||
| HDMI | ||
| USB | USB 2.0 (480 Mbit/sec) | USB 2.0 (480 Mbit/sec) |
| GPS | Built-in | None |
| Physical | ||
| Environment seal | ||
| Water proofing | ||
| Dust proofing | ||
| Shock proofing | ||
| Crush proofing | ||
| Freeze proofing | ||
| Weight | 1010 grams (2.23 pounds) | 297 grams (0.65 pounds) |
| Physical dimensions | 137 x 110 x 86mm (5.4" x 4.3" x 3.4") | 117 x 62 x 33mm (4.6" x 2.4" x 1.3") |
| DXO scores | ||
| DXO Overall rating | 96 | 68 |
| DXO Color Depth rating | 25.4 | 22.1 |
| DXO Dynamic range rating | 14.6 | 12.0 |
| DXO Low light rating | 3280 | 830 |
| Other | ||
| Battery life | 760 images | 330 images |
| Form of battery | Battery Pack | Battery Pack |
| Battery ID | D-LI90 | NPFW50 |
| Self timer | Yes (2 or 12 sec, custom) | Yes (2 or 10 sec, 10sec (3 images)) |
| Time lapse shooting | ||
| Storage media | Dual SD/SDHC/SDXC (UHS-I) | SD/ SDHC/SDXC, Memory Stick Pro Duo/ Pro-HG Duo |
| Storage slots | 2 | One |
| Cost at release | $1,499 | $0 |