Pentax 645D vs Sony NEX-6
50 Imaging
76 Features
52 Overall
66
85 Imaging
57 Features
76 Overall
64
Pentax 645D vs Sony NEX-6 Key Specs
(Full Review)
- 40MP - Medium format Sensor
- 3" Fixed Screen
- ISO 200 - 1600
- No Anti-Alias Filter
- No Video
- Pentax 645AF2 Mount
- 1480g - 156 x 117 x 119mm
- Introduced March 2010
- Updated by Pentax 645Z
(Full Review)
- 16MP - APS-C Sensor
- 3" Tilting Display
- ISO 100 - 25600
- 1920 x 1080 video
- Sony E Mount
- 345g - 120 x 67 x 43mm
- Released March 2013
- Successor is Sony A6000
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Here is a detailed analysis of the Pentax 645D vs Sony NEX-6, one being a Pro DSLR and the other is a Advanced Mirrorless by competitors Pentax and Sony. There exists a significant gap between the resolutions of the 645D (40MP) and NEX-6 (16MP) and the 645D (Medium format) and NEX-6 (APS-C) enjoy different sensor sizing.
Meta to Introduce 'AI-Generated' Labels for Media starting next monthThe 645D was launched 4 years prior to the NEX-6 and that is quite a sizable gap as far as technology is concerned. Both the cameras come with different body type with the Pentax 645D being a Large SLR camera and the Sony NEX-6 being a Rangefinder-style mirrorless camera.
Before delving straight into a more detailed comparison, below is a concise highlight of how the 645D scores against the NEX-6 in regards to portability, imaging, features and an overall rating.
Photography Glossary Pentax 645D vs Sony NEX-6 Gallery
Following is a sample of the gallery pictures for Pentax 645D and Sony Alpha NEX-6. The complete galleries are viewable at Pentax 645D Gallery and Sony NEX-6 Gallery.
Reasons to pick Pentax 645D over the Sony NEX-6
| 645D | NEX-6 |
|---|
Reasons to pick Sony NEX-6 over the Pentax 645D
| NEX-6 | 645D | |||
|---|---|---|---|---|
| Released | March 2013 |  | March 2010 | Fresher by 37 months |
| Display type | Tilting |  | Fixed | Tilting display |
Common features in the Pentax 645D and Sony NEX-6
| 645D | NEX-6 | |||
|---|---|---|---|---|
| Manually focus |  | Dial accurate focusing | ||
| Display dimension | 3" |  | 3" | Identical display measurement |
| Display resolution | 921k |  | 921k | Same display resolution |
| Selfie screen |  | Neither has selfie screen | ||
| Touch friendly display |  | Missing Touch friendly display |
Pentax 645D vs Sony NEX-6 Physical Comparison
When you are planning to carry your camera regularly, you should think about its weight and measurements. The Pentax 645D has outside measurements of 156mm x 117mm x 119mm (6.1" x 4.6" x 4.7") along with a weight of 1480 grams (3.26 lbs) and the Sony NEX-6 has proportions of 120mm x 67mm x 43mm (4.7" x 2.6" x 1.7") and a weight of 345 grams (0.76 lbs).
Take a look at the Pentax 645D vs Sony NEX-6 in the new Camera with Lens Size Comparison Tool.
Keep in mind, the weight of an Interchangeable Lens Camera will differ depending on the lens you choose at that time. The following is the front view dimension comparison of the 645D versus the NEX-6.
Looking at dimensions and weight, the portability grade of the 645D and NEX-6 is 50 and 85 respectively.
Pentax 645D vs Sony NEX-6 Sensor Comparison
Sometimes, it is hard to imagine the difference between sensor sizing merely by reviewing a spec sheet. The graphic here will offer you a clearer sense of the sensor sizing in the 645D and NEX-6.
Clearly, the two cameras have got different megapixel count and different sensor sizing. The 645D featuring a larger sensor is going to make shooting shallower DOF easier and the Pentax 645D will offer you greater detail utilizing its extra 24MP. Greater resolution will also let you crop photos much more aggressively. The older 645D is going to be behind with regard to sensor technology.
Pentax 645D vs Sony NEX-6 Screen and ViewFinder
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Pentax 645D vs Sony NEX-6 Specifications
| Pentax 645D | Sony Alpha NEX-6 | |
|---|---|---|
| General Information | ||
| Company | Pentax | Sony |
| Model type | Pentax 645D | Sony Alpha NEX-6 |
| Type | Pro DSLR | Advanced Mirrorless |
| Introduced | 2010-03-10 | 2013-03-25 |
| Physical type | Large SLR | Rangefinder-style mirrorless |
| Sensor Information | ||
| Processor Chip | Prime II | Bionz |
| Sensor type | CCD | CMOS |
| Sensor size | Medium format | APS-C |
| Sensor measurements | 44 x 33mm | 23.5 x 15.6mm |
| Sensor area | 1,452.0mm² | 366.6mm² |
| Sensor resolution | 40 megapixels | 16 megapixels |
| Anti alias filter | ||
| Aspect ratio | 4:3 | 3:2 and 16:9 |
| Maximum resolution | 7264 x 5440 | 4912 x 3264 |
| Maximum native ISO | 1600 | 25600 |
| Lowest native ISO | 200 | 100 |
| RAW photos | ||
| Lowest boosted ISO | 100 | - |
| Autofocusing | ||
| Focus manually | ||
| Autofocus touch | ||
| Autofocus continuous | ||
| Single autofocus | ||
| Tracking autofocus | ||
| Selective autofocus | ||
| Center weighted autofocus | ||
| Multi area autofocus | ||
| Autofocus live view | ||
| Face detection autofocus | ||
| Contract detection autofocus | ||
| Phase detection autofocus | ||
| Total focus points | 11 | 99 |
| Lens | ||
| Lens mount type | Pentax 645AF2 | Sony E |
| Total lenses | 6 | 121 |
| Focal length multiplier | 0.8 | 1.5 |
| Screen | ||
| Type of screen | Fixed Type | Tilting |
| Screen size | 3 inches | 3 inches |
| Screen resolution | 921 thousand dots | 921 thousand dots |
| Selfie friendly | ||
| Liveview | ||
| Touch friendly | ||
| Screen tech | TFT Color LCD with wide-viewing angle and with AR coating | Xtra Fine LCD with Tilt Up 90� and Down 45� |
| Viewfinder Information | ||
| Viewfinder | Optical (pentaprism) | Electronic |
| Viewfinder resolution | - | 2,359 thousand dots |
| Viewfinder coverage | 98% | 100% |
| Viewfinder magnification | 0.85x | 0.73x |
| Features | ||
| Lowest shutter speed | 30 secs | 30 secs |
| Highest shutter speed | 1/4000 secs | 1/4000 secs |
| Continuous shooting rate | 1.0fps | 10.0fps |
| Shutter priority | ||
| Aperture priority | ||
| Manually set exposure | ||
| Exposure compensation | Yes | Yes |
| Set white balance | ||
| Image stabilization | ||
| Integrated flash | ||
| Flash distance | no built-in flash | 6.00 m |
| Flash settings | Auto, On, Off, Red-eye, Slow Sync, Rear Curtain | Auto, On, Off, Red-Eye, Slow Sync, Rear Curtain, Fill-in |
| Hot shoe | ||
| Auto exposure bracketing | ||
| White balance bracketing | ||
| Highest flash synchronize | 1/125 secs | 1/160 secs |
| Exposure | ||
| Multisegment | ||
| Average | ||
| Spot | ||
| Partial | ||
| AF area | ||
| Center weighted | ||
| Video features | ||
| Video resolutions | - | 1920 x 1080 (60, 24 fps), 1440 x 1080 (30 fps), 640 x 480 (30 fps) |
| Maximum video resolution | None | 1920x1080 |
| Video format | - | MPEG-4, AVCHD |
| Microphone port | ||
| Headphone port | ||
| Connectivity | ||
| Wireless | None | Built-In |
| Bluetooth | ||
| NFC | ||
| HDMI | ||
| USB | USB 2.0 (480 Mbit/sec) | USB 2.0 (480 Mbit/sec) |
| GPS | None | None |
| Physical | ||
| Environmental sealing | ||
| Water proofing | ||
| Dust proofing | ||
| Shock proofing | ||
| Crush proofing | ||
| Freeze proofing | ||
| Weight | 1480 grams (3.26 pounds) | 345 grams (0.76 pounds) |
| Dimensions | 156 x 117 x 119mm (6.1" x 4.6" x 4.7") | 120 x 67 x 43mm (4.7" x 2.6" x 1.7") |
| DXO scores | ||
| DXO All around rating | 82 | 78 |
| DXO Color Depth rating | 24.6 | 23.7 |
| DXO Dynamic range rating | 12.6 | 13.1 |
| DXO Low light rating | 1262 | 1018 |
| Other | ||
| Battery life | 800 photographs | 360 photographs |
| Battery type | Battery Pack | Battery Pack |
| Battery ID | D-LI90 | NPFW50 |
| Self timer | Yes (2 or 10 sec) | Yes (2 or 10 sec, 10sec (3 images)) |
| Time lapse shooting | With downloadable app | |
| Type of storage | SD/SDHC | SD/SDHC/SDXC/Memory Stick Pro Duo/ Pro-HG Duo |
| Card slots | Two | 1 |
| Price at launch | $4,000 | $365 |