Pentax 645D vs Pentax W90
50 Imaging
76 Features
52 Overall
66
94 Imaging
35 Features
21 Overall
29
Pentax 645D vs Pentax W90 Key Specs
(Full Review)
- 40MP - Medium format Sensor
- 3" Fixed Display
- ISO 200 - 1600
- No Anti-Alias Filter
- No Video
- Pentax 645AF2 Mount
- 1480g - 156 x 117 x 119mm
- Released March 2010
- Replacement is Pentax 645Z
(Full Review)
- 12MP - 1/2.3" Sensor
- 2.7" Fixed Display
- ISO 80 - 6400
- 1280 x 720 video
- 28-140mm (F3.5-5.5) lens
- 164g - 108 x 59 x 25mm
- Introduced February 2010
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Following is a extensive analysis of the Pentax 645D and Pentax W90, one is a Pro DSLR and the other is a Waterproof and they are both created by Pentax. There exists a significant gap between the sensor resolutions of the 645D (40MP) and W90 (12MP) and the 645D (Medium format) and W90 (1/2.3") enjoy different sensor sizes.
Cutting-edge AI developed by Apple deciphers subtle nuances in pixelsThe 645D was manufactured within a month of the W90 which means that they are of a similar generation. Each of these cameras offer different body type with the Pentax 645D being a Large SLR camera and the Pentax W90 being a Compact camera.
Before diving straight into a detailed comparison, below is a concise highlight of how the 645D matches up vs the W90 in relation to portability, imaging, features and an overall score.
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Below is a sample of the gallery pics for Pentax 645D and Pentax Optio W90. The entire galleries are provided at Pentax 645D Gallery and Pentax W90 Gallery.
Reasons to pick Pentax 645D over the Pentax W90
| 645D | W90 | |||
|---|---|---|---|---|
| Display sizing | 3" |  | 2.7" | Larger display (+0.3") |
| Display resolution | 921k |  | 230k | Clearer display (+691k dot) |
Reasons to pick Pentax W90 over the Pentax 645D
| W90 | 645D |
|---|
Common features in the Pentax 645D and Pentax W90
| 645D | W90 | |||
|---|---|---|---|---|
| Introduced | March 2010 |  | February 2010 | Similar generation |
| Manually focus |  | Very exact focusing | ||
| Display type | Fixed |  | Fixed | Fixed display |
| Selfie screen |  | Neither comes with selfie screen | ||
| Touch display |  | Neither comes with Touch display |
Pentax 645D vs Pentax W90 Physical Comparison
For anyone who is looking to carry around your camera regularly, you should factor its weight and proportions. The Pentax 645D comes with exterior dimensions of 156mm x 117mm x 119mm (6.1" x 4.6" x 4.7") accompanied by a weight of 1480 grams (3.26 lbs) whilst the Pentax W90 has measurements of 108mm x 59mm x 25mm (4.3" x 2.3" x 1.0") along with a weight of 164 grams (0.36 lbs).
Compare the Pentax 645D and Pentax W90 in the latest Camera with Lens Size Comparison Tool.
Take into consideration, the weight of an Interchangeable Lens Camera will change dependant on the lens you have during that time. The following is the front view proportions comparison of the 645D vs the W90.
Looking at dimensions and weight, the portability rating of the 645D and W90 is 50 and 94 respectively.
Pentax 645D vs Pentax W90 Sensor Comparison
More often than not, its tough to imagine the gap between sensor sizes simply by checking specifications. The pic here will help provide you a more clear sense of the sensor dimensions in the 645D and W90.
To sum up, both of those cameras offer different megapixels and different sensor sizes. The 645D due to its larger sensor is going to make achieving shallow DOF easier and the Pentax 645D will give more detail due to its extra 28 Megapixels. Greater resolution will help you crop photos a little more aggressively.
Pentax 645D vs Pentax W90 Screen and ViewFinder
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Pentax 645D vs Pentax W90 Specifications
| Pentax 645D | Pentax Optio W90 | |
|---|---|---|
| General Information | ||
| Brand | Pentax | Pentax |
| Model | Pentax 645D | Pentax Optio W90 |
| Type | Pro DSLR | Waterproof |
| Released | 2010-03-10 | 2010-02-24 |
| Physical type | Large SLR | Compact |
| Sensor Information | ||
| Powered by | Prime II | Prime |
| Sensor type | CCD | CCD |
| Sensor size | Medium format | 1/2.3" |
| Sensor measurements | 44 x 33mm | 6.17 x 4.55mm |
| Sensor area | 1,452.0mm² | 28.1mm² |
| Sensor resolution | 40 megapixel | 12 megapixel |
| Anti aliasing filter | ||
| Aspect ratio | 4:3 | 4:3, 3:2 and 16:9 |
| Max resolution | 7264 x 5440 | 4000 x 3000 |
| Max native ISO | 1600 | 6400 |
| Lowest native ISO | 200 | 80 |
| RAW photos | ||
| Lowest enhanced ISO | 100 | - |
| Autofocusing | ||
| Manual focus | ||
| AF touch | ||
| Continuous AF | ||
| AF single | ||
| AF tracking | ||
| Selective AF | ||
| Center weighted AF | ||
| AF multi area | ||
| AF live view | ||
| Face detect focusing | ||
| Contract detect focusing | ||
| Phase detect focusing | ||
| Number of focus points | 11 | 9 |
| Lens | ||
| Lens mount | Pentax 645AF2 | fixed lens |
| Lens focal range | - | 28-140mm (5.0x) |
| Maximum aperture | - | f/3.5-5.5 |
| Macro focus distance | - | 1cm |
| Number of lenses | 6 | - |
| Focal length multiplier | 0.8 | 5.8 |
| Screen | ||
| Display type | Fixed Type | Fixed Type |
| Display diagonal | 3 inches | 2.7 inches |
| Display resolution | 921 thousand dots | 230 thousand dots |
| Selfie friendly | ||
| Liveview | ||
| Touch capability | ||
| Display tech | TFT Color LCD with wide-viewing angle and with AR coating | - |
| Viewfinder Information | ||
| Viewfinder type | Optical (pentaprism) | None |
| Viewfinder coverage | 98% | - |
| Viewfinder magnification | 0.85x | - |
| Features | ||
| Minimum shutter speed | 30 secs | 4 secs |
| Fastest shutter speed | 1/4000 secs | 1/1500 secs |
| Continuous shutter rate | 1.0 frames/s | 1.0 frames/s |
| Shutter priority | ||
| Aperture priority | ||
| Expose Manually | ||
| Exposure compensation | Yes | - |
| Custom WB | ||
| Image stabilization | ||
| Integrated flash | ||
| Flash range | no built-in flash | 3.90 m |
| Flash settings | Auto, On, Off, Red-eye, Slow Sync, Rear Curtain | Auto, On, Off, Red-eye, Soft |
| Hot shoe | ||
| AEB | ||
| White balance bracketing | ||
| Fastest flash synchronize | 1/125 secs | - |
| Exposure | ||
| Multisegment metering | ||
| Average metering | ||
| Spot metering | ||
| Partial metering | ||
| AF area metering | ||
| Center weighted metering | ||
| Video features | ||
| Video resolutions | - | 1280 x 720 (30, 15 fps), 640 x 480 (30, 15 fps), 320 x 240 (30, 15 fps) |
| Max video resolution | None | 1280x720 |
| Video data format | - | Motion JPEG |
| Microphone port | ||
| Headphone port | ||
| Connectivity | ||
| Wireless | None | Eye-Fi Connected |
| Bluetooth | ||
| NFC | ||
| HDMI | ||
| USB | USB 2.0 (480 Mbit/sec) | USB 2.0 (480 Mbit/sec) |
| GPS | None | None |
| Physical | ||
| Environmental sealing | ||
| Water proof | ||
| Dust proof | ||
| Shock proof | ||
| Crush proof | ||
| Freeze proof | ||
| Weight | 1480g (3.26 lbs) | 164g (0.36 lbs) |
| Dimensions | 156 x 117 x 119mm (6.1" x 4.6" x 4.7") | 108 x 59 x 25mm (4.3" x 2.3" x 1.0") |
| DXO scores | ||
| DXO Overall score | 82 | not tested |
| DXO Color Depth score | 24.6 | not tested |
| DXO Dynamic range score | 12.6 | not tested |
| DXO Low light score | 1262 | not tested |
| Other | ||
| Battery life | 800 images | - |
| Battery type | Battery Pack | - |
| Battery model | D-LI90 | D-LI68 |
| Self timer | Yes (2 or 10 sec) | Yes (2 or 10 sec) |
| Time lapse shooting | ||
| Type of storage | SD/SDHC | SD/SDHC card, Internal |
| Card slots | Dual | Single |
| Price at release | $4,000 | $120 |
