Pentax 645Z vs Sony W690
49 Imaging
79 Features
74 Overall
77
95 Imaging
38 Features
32 Overall
35
Pentax 645Z vs Sony W690 Key Specs
(Full Review)
- 51MP - Medium format Sensor
- 3.2" Tilting Display
- ISO 100 - 204800
- No Anti-Alias Filter
- 1920 x 1080 video
- Pentax 645AF2 Mount
- 1550g - 156 x 117 x 123mm
- Released April 2014
- Earlier Model is Pentax 645D
(Full Review)
- 16MP - 1/2.3" Sensor
- 3" Fixed Screen
- ISO 80 - 3200
- Optical Image Stabilization
- 1280 x 720 video
- 25-250mm (F3.3-5.9) lens
- 142g - 94 x 56 x 22mm
- Revealed February 2012
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Below is a extensive review of the Pentax 645Z vs Sony W690, former being a Pro DSLR while the latter is a Small Sensor Compact by competitors Pentax and Sony. There exists a considerable gap among the resolutions of the 645Z (51MP) and W690 (16MP) and the 645Z (Medium format) and W690 (1/2.3") come with different sensor dimensions.
Photobucket discusses licensing 13 billion images with AI firmsThe 645Z was introduced 2 years later than the W690 and that is a fairly large difference as far as camera technology is concerned. Both of the cameras come with different body type with the Pentax 645Z being a Large SLR camera and the Sony W690 being a Compact camera.
Before delving through a full comparison, below is a short summation of how the 645Z scores versus the W690 when considering portability, imaging, features and an overall grade.
Mastering Nature Photography with a Digital Microscope Camera Pentax 645Z vs Sony W690 Gallery
The following is a preview of the gallery photos for Pentax 645Z & Sony Cyber-shot DSC-W690. The whole galleries are provided at Pentax 645Z Gallery & Sony W690 Gallery.
Reasons to pick Pentax 645Z over the Sony W690
| 645Z | W690 | |||
|---|---|---|---|---|
| Revealed | April 2014 | February 2012 | More recent by 26 months | |
| Manual focus | More precise focus | |||
| Screen type | Tilting | Fixed | Tilting screen | |
| Screen dimension | 3.2" | 3" | Bigger screen (+0.2") | |
| Screen resolution | 1037k | 230k | Crisper screen (+807k dot) |
Reasons to pick Sony W690 over the Pentax 645Z
| W690 | 645Z |
|---|
Common features in the Pentax 645Z and Sony W690
| 645Z | W690 | |||
|---|---|---|---|---|
| Selfie screen | No selfie screen | |||
| Touch screen | Neither contains Touch screen |
Pentax 645Z vs Sony W690 Physical Comparison
If you're going to lug around your camera, you're going to have to think about its weight and dimensions. The Pentax 645Z has got outer measurements of 156mm x 117mm x 123mm (6.1" x 4.6" x 4.8") and a weight of 1550 grams (3.42 lbs) and the Sony W690 has dimensions of 94mm x 56mm x 22mm (3.7" x 2.2" x 0.9") accompanied by a weight of 142 grams (0.31 lbs).
Check out the Pentax 645Z vs Sony W690 in our completely new Camera & Lens Size Comparison Tool.
Remember that, the weight of an ILC will vary dependant on the lens you have chosen at the time. Underneath is the front view scale comparison of the 645Z compared to the W690.

Using dimensions and weight, the portability score of the 645Z and W690 is 49 and 95 respectively.
Pentax 645Z vs Sony W690 Sensor Comparison
More often than not, it is tough to visualize the gap in sensor measurements purely by checking out specifications. The graphic here may give you a more clear sense of the sensor sizing in the 645Z and W690.
To sum up, the 2 cameras have got different resolutions and different sensor measurements. The 645Z having a bigger sensor is going to make getting bokeh simpler and the Pentax 645Z will produce greater detail using its extra 35MP. Higher resolution can also make it easier to crop pictures much more aggressively. The younger 645Z should have an edge in sensor tech.
Pentax 645Z vs Sony W690 Screen and ViewFinder
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Pentax 645Z vs Sony W690 Specifications
| Pentax 645Z | Sony Cyber-shot DSC-W690 | |
|---|---|---|
| General Information | ||
| Company | Pentax | Sony |
| Model type | Pentax 645Z | Sony Cyber-shot DSC-W690 |
| Class | Pro DSLR | Small Sensor Compact |
| Released | 2014-04-15 | 2012-02-28 |
| Physical type | Large SLR | Compact |
| Sensor Information | ||
| Processor Chip | PRIME III | BIONZ |
| Sensor type | CMOS | CCD |
| Sensor size | Medium format | 1/2.3" |
| Sensor dimensions | 44 x 33mm | 6.17 x 4.55mm |
| Sensor area | 1,452.0mm² | 28.1mm² |
| Sensor resolution | 51 megapixels | 16 megapixels |
| Anti alias filter | ||
| Aspect ratio | 4:3 | 4:3 and 16:9 |
| Maximum resolution | 8256 x 6192 | 4608 x 3456 |
| Maximum native ISO | 204800 | 3200 |
| Minimum native ISO | 100 | 80 |
| RAW pictures | ||
| Autofocusing | ||
| Manual focusing | ||
| AF touch | ||
| Continuous AF | ||
| Single AF | ||
| Tracking AF | ||
| Selective AF | ||
| AF center weighted | ||
| AF multi area | ||
| AF live view | ||
| Face detect focusing | ||
| Contract detect focusing | ||
| Phase detect focusing | ||
| Total focus points | 27 | - |
| Cross type focus points | - | - |
| Lens | ||
| Lens mount type | Pentax 645AF2 | fixed lens |
| Lens zoom range | - | 25-250mm (10.0x) |
| Max aperture | - | f/3.3-5.9 |
| Macro focusing range | - | 5cm |
| Total lenses | 6 | - |
| Crop factor | 0.8 | 5.8 |
| Screen | ||
| Type of display | Tilting | Fixed Type |
| Display sizing | 3.2 inches | 3 inches |
| Resolution of display | 1,037k dots | 230k dots |
| Selfie friendly | ||
| Liveview | ||
| Touch display | ||
| Display technology | - | ClearPhoto TFT LCD display |
| Viewfinder Information | ||
| Viewfinder type | Optical (pentaprism) | None |
| Viewfinder coverage | 98 percent | - |
| Viewfinder magnification | 0.85x | - |
| Features | ||
| Slowest shutter speed | 30s | 30s |
| Maximum shutter speed | 1/4000s | 1/1600s |
| Continuous shooting rate | 3.0fps | 1.0fps |
| Shutter priority | ||
| Aperture priority | ||
| Manual mode | ||
| Exposure compensation | Yes | - |
| Custom WB | ||
| Image stabilization | ||
| Inbuilt flash | ||
| Flash distance | no built-in flash | 3.30 m |
| Flash modes | 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, Slow Sync |
| Hot shoe | ||
| AEB | ||
| White balance bracketing | ||
| Maximum flash synchronize | 1/125s | - |
| Exposure | ||
| Multisegment | ||
| Average | ||
| Spot | ||
| Partial | ||
| AF area | ||
| Center weighted | ||
| Video features | ||
| Supported video resolutions | 1920 x 1080 (60i, 50i, 30p, 25p, 24p), 1280 x 720 (60p, 50p, 30p, 25p,24p) | 1280 x 720 (30 fps), 640 x 480 (30 fps) |
| Maximum video resolution | 1920x1080 | 1280x720 |
| Video format | MPEG-4, H.264 | MPEG-4 |
| 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 | ||
| Environment sealing | ||
| Water proofing | ||
| Dust proofing | ||
| Shock proofing | ||
| Crush proofing | ||
| Freeze proofing | ||
| Weight | 1550 grams (3.42 lbs) | 142 grams (0.31 lbs) |
| Dimensions | 156 x 117 x 123mm (6.1" x 4.6" x 4.8") | 94 x 56 x 22mm (3.7" x 2.2" x 0.9") |
| DXO scores | ||
| DXO All around rating | 101 | not tested |
| DXO Color Depth rating | 26.0 | not tested |
| DXO Dynamic range rating | 14.7 | not tested |
| DXO Low light rating | 4505 | not tested |
| Other | ||
| Battery life | 650 photographs | 220 photographs |
| Battery style | Battery Pack | Battery Pack |
| Battery ID | D-LI90 | NP-BN |
| Self timer | Yes (2 or 10 secs) | Yes (2 or 10 sec, Portrait 1/2) |
| Time lapse shooting | ||
| Storage type | Dual SD/SDHC/SDXC slots | SD/SDHC/SDXC/Memory Stick Duo/Memory Stick Pro Duo, Memory Stick Pro-HG Duo |
| Card slots | Dual | Single |
| Retail price | $5,024 | $297 |