Pentax K-3 II vs Sony NEX-5R
59 Imaging
65 Features
84 Overall
72
89 Imaging
56 Features
76 Overall
64
Pentax K-3 II vs Sony NEX-5R Key Specs
(Full Review)
- 24MP - APS-C Sensor
- 3.2" Fixed Screen
- ISO 100 - 51200
- Sensor based Image Stabilization
- No Anti-Alias Filter
- 1/8000s Max Shutter
- 1920 x 1080 video
- Pentax KAF2 Mount
- 800g - 131 x 100 x 77mm
- Introduced April 2015
- Superseded the Pentax K-3
(Full Review)
- 16MP - APS-C Sensor
- 3" Tilting Screen
- ISO 100 - 25600
- 1920 x 1080 video
- Sony E Mount
- 276g - 111 x 59 x 39mm
- Launched August 2012
- Older Model is Sony NEX-5N
- Replacement is Sony NEX-5T
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Here is a thorough comparison of the Pentax K-3 II and Sony NEX-5R, former being a Advanced DSLR while the latter is a Entry-Level Mirrorless by competitors Pentax and Sony. There exists a large gap among the sensor resolutions of the K-3 II (24MP) and NEX-5R (16MP) but they possess the same exact sensor dimensions (APS-C).
Japan-exclusive Leica Leitz Phone 3 features big sensor and new modesThe K-3 II was launched 2 years later than the NEX-5R and that is a fairly serious difference as far as camera technology is concerned. Both of these cameras offer different body type with the Pentax K-3 II being a Mid-size SLR camera and the Sony NEX-5R being a Rangefinder-style mirrorless camera.
Before delving straight into a detailed comparison, below is a brief summary of how the K-3 II scores against the NEX-5R when it comes to portability, imaging, features and an overall rating.
Photography Glossary Pentax K-3 II vs Sony NEX-5R Gallery
Following is a preview of the gallery photos for Pentax K-3 II & Sony Alpha NEX-5R. The complete galleries are available at Pentax K-3 II Gallery & Sony NEX-5R Gallery.
Reasons to pick Pentax K-3 II over the Sony NEX-5R
| K-3 II | NEX-5R | |||
|---|---|---|---|---|
| Launched | April 2015 | August 2012 | Fresher by 33 months | |
| Screen sizing | 3.2" | 3" | Bigger screen (+0.2") | |
| Screen resolution | 1037k | 920k | Crisper screen (+117k dot) |
Reasons to pick Sony NEX-5R over the Pentax K-3 II
| NEX-5R | K-3 II | |||
|---|---|---|---|---|
| Screen type | Tilting | Fixed | Tilting screen | |
| Touch friendly screen | Quickly navigate |
Common features in the Pentax K-3 II and Sony NEX-5R
| K-3 II | NEX-5R | |||
|---|---|---|---|---|
| Focus manually | Dial accurate focusing | |||
| Selfie screen | Neither contains selfie screen |
Pentax K-3 II vs Sony NEX-5R Physical Comparison
In case you're aiming to carry your camera, you will want to think about its weight and volume. The Pentax K-3 II has got physical measurements of 131mm x 100mm x 77mm (5.2" x 3.9" x 3.0") and a weight of 800 grams (1.76 lbs) whilst the Sony NEX-5R has sizing of 111mm x 59mm x 39mm (4.4" x 2.3" x 1.5") having a weight of 276 grams (0.61 lbs).
Analyze the Pentax K-3 II and Sony NEX-5R in our completely new Camera & Lens Size Comparison Tool.
Remember, the weight of an ILC will change depending on the lens you have at that moment. Underneath is the front view sizing comparison of the K-3 II and the NEX-5R.

Factoring in dimensions and weight, the portability grade of the K-3 II and NEX-5R is 59 and 89 respectively.
Pentax K-3 II vs Sony NEX-5R Sensor Comparison
More often than not, it's difficult to see the contrast in sensor sizing simply by going through specs. The photograph underneath might offer you a greater sense of the sensor sizing in the K-3 II and NEX-5R.
As you can plainly see, the two cameras enjoy the same exact sensor sizing albeit not the same resolution. You can count on the Pentax K-3 II to provide more detail utilizing its extra 8 Megapixels. Higher resolution will also make it easier to crop shots far more aggressively. The more recent K-3 II is going to have a benefit with regard to sensor tech.
Pentax K-3 II vs Sony NEX-5R Screen and ViewFinder
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Pentax K-3 II vs Sony NEX-5R Specifications
| Pentax K-3 II | Sony Alpha NEX-5R | |
|---|---|---|
| General Information | ||
| Brand | Pentax | Sony |
| Model type | Pentax K-3 II | Sony Alpha NEX-5R |
| Type | Advanced DSLR | Entry-Level Mirrorless |
| Introduced | 2015-04-23 | 2012-08-29 |
| Body design | Mid-size SLR | Rangefinder-style mirrorless |
| Sensor Information | ||
| Processor Chip | Prime III | Bionz |
| Sensor type | CMOS | CMOS |
| Sensor size | APS-C | APS-C |
| Sensor measurements | 23.5 x 15.6mm | 23.4 x 15.6mm |
| Sensor surface area | 366.6mm² | 365.0mm² |
| Sensor resolution | 24MP | 16MP |
| Anti alias filter | ||
| Aspect ratio | 3:2 | 3:2 and 16:9 |
| Full resolution | 6016 x 4000 | 4912 x 3264 |
| Max native ISO | 51200 | 25600 |
| Lowest native ISO | 100 | 100 |
| RAW images | ||
| Autofocusing | ||
| Manual focusing | ||
| Autofocus touch | ||
| Autofocus continuous | ||
| Autofocus single | ||
| Autofocus tracking | ||
| Selective autofocus | ||
| Center weighted autofocus | ||
| Multi area autofocus | ||
| Autofocus live view | ||
| Face detection autofocus | ||
| Contract detection autofocus | ||
| Phase detection autofocus | ||
| Total focus points | 27 | 99 |
| Cross type focus points | 25 | - |
| Lens | ||
| Lens support | Pentax KAF2 | Sony E |
| Total lenses | 151 | 121 |
| Focal length multiplier | 1.5 | 1.5 |
| Screen | ||
| Range of screen | Fixed Type | Tilting |
| Screen sizing | 3.2 inch | 3 inch |
| Resolution of screen | 1,037 thousand dot | 920 thousand dot |
| Selfie friendly | ||
| Liveview | ||
| Touch function | ||
| Screen tech | - | Tilt Up 180� Down 50� TFT LCD |
| Viewfinder Information | ||
| Viewfinder | Optical (pentaprism) | Electronic (optional) |
| Viewfinder coverage | 100% | - |
| Viewfinder magnification | 0.64x | - |
| Features | ||
| Lowest shutter speed | 30 seconds | 30 seconds |
| Highest shutter speed | 1/8000 seconds | 1/4000 seconds |
| Continuous shooting speed | 8.3fps | 10.0fps |
| Shutter priority | ||
| Aperture priority | ||
| Manually set exposure | ||
| Exposure compensation | Yes | Yes |
| Custom white balance | ||
| Image stabilization | ||
| Inbuilt flash | ||
| Flash distance | no built-in flash | no built-in flash |
| Flash modes | 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 (available with dedicated external flash) | Auto, On, Off, Red-Eye, Slow Sync, Rear Curtain, Fill-in |
| External flash | ||
| AEB | ||
| WB bracketing | ||
| Highest flash sync | 1/180 seconds | 1/160 seconds |
| 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, 30p, 25p, 24p) | 1920 x 1080 (60 fps), 1440 x 1080 (30 fps), 640 x 480 (30 fps) |
| Max video resolution | 1920x1080 | 1920x1080 |
| Video data format | MPEG-4, H.264 | AVCHD |
| Microphone input | ||
| Headphone input | ||
| Connectivity | ||
| Wireless | Optional | Built-In |
| Bluetooth | ||
| NFC | ||
| HDMI | ||
| USB | USB 3.0 (5 GBit/sec) | USB 2.0 (480 Mbit/sec) |
| GPS | BuiltIn | None |
| Physical | ||
| Environmental seal | ||
| Water proofing | ||
| Dust proofing | ||
| Shock proofing | ||
| Crush proofing | ||
| Freeze proofing | ||
| Weight | 800 grams (1.76 lb) | 276 grams (0.61 lb) |
| Dimensions | 131 x 100 x 77mm (5.2" x 3.9" x 3.0") | 111 x 59 x 39mm (4.4" x 2.3" x 1.5") |
| DXO scores | ||
| DXO All around rating | 80 | 78 |
| DXO Color Depth rating | 23.6 | 23.7 |
| DXO Dynamic range rating | 13.6 | 13.1 |
| DXO Low light rating | 1106 | 910 |
| Other | ||
| Battery life | 720 pictures | 330 pictures |
| Form of battery | Battery Pack | Battery Pack |
| Battery ID | D-LI90 | NPFW50 |
| Self timer | Yes ( 2 or 12 seconds) | Yes (2 or 10 sec, 10sec (3 images)) |
| Time lapse feature | With downloadable app | |
| Storage media | Dual SD/SDHC/SDXC | SD/ SDHC/SDXC, Memory Stick Pro Duo/ Pro-HG Duo |
| Storage slots | 2 | Single |
| Price at launch | $829 | $750 |