Pentax 645Z vs Pentax K20D
49 Imaging
80 Features
74 Overall
77
59 Imaging
53 Features
52 Overall
52
Pentax 645Z vs Pentax K20D 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
- Revealed April 2014
- Older Model is Pentax 645D
(Full Review)
- 15MP - APS-C Sensor
- 2.7" Fixed Screen
- ISO 100 - 3200 (Push to 6400)
- Sensor based Image Stabilization
- No Video
- Pentax KAF2 Mount
- 800g - 142 x 101 x 70mm
- Revealed June 2008
- Previous Model is Pentax K10D
Pentax 645Z vs Pentax K20D Overview
Let's take a closer look at the Pentax 645Z vs Pentax K20D, former is a Pro DSLR while the latter is a Advanced DSLR and they are both manufactured by Pentax. There is a considerable difference between the image resolutions of the 645Z (51MP) and K20D (15MP) and the 645Z (Medium format) and K20D (APS-C) have totally different sensor dimensions.
Japan-exclusive Leica Leitz Phone 3 features big sensor and new modesThe 645Z was released 5 years after the K20D which is quite a large difference as far as tech is concerned. Each of these cameras have different body design with the Pentax 645Z being a Large SLR camera and the Pentax K20D being a Mid-size SLR camera.
Before delving into a more detailed comparison, here is a simple highlight of how the 645Z matches up vs the K20D with regards to portability, imaging, features and an overall mark.
Pentax 645Z vs Pentax K20D Gallery
This is a preview of the gallery photos for Pentax 645Z & Pentax K20D. The complete galleries are viewable at Pentax 645Z Gallery & Pentax K20D Gallery.
Reasons to pick Pentax 645Z over the Pentax K20D
645Z | K20D | |||
---|---|---|---|---|
Revealed | April 2014 | June 2008 | Newer by 71 months | |
Screen type | Tilting | Fixed | Tilting screen | |
Screen dimensions | 3.2" | 2.7" | Bigger screen (+0.5") | |
Screen resolution | 1037k | 230k | Clearer screen (+807k dot) |
Reasons to pick Pentax K20D over the Pentax 645Z
K20D | 645Z |
---|
Common features in the Pentax 645Z and Pentax K20D
645Z | K20D | |||
---|---|---|---|---|
Manual focus | Dial precise focusing | |||
Selfie screen | Lack of selfie screen | |||
Touch screen | Neither provides Touch screen |
Pentax 645Z vs Pentax K20D Physical Comparison
In case you're planning to travel with your camera, you should consider its weight and size. The Pentax 645Z provides external dimensions of 156mm x 117mm x 123mm (6.1" x 4.6" x 4.8") and a weight of 1550 grams (3.42 lbs) while the Pentax K20D has specifications of 142mm x 101mm x 70mm (5.6" x 4.0" x 2.8") with a weight of 800 grams (1.76 lbs).
Look at the Pentax 645Z vs Pentax K20D in our brand new Camera plus Lens Size Comparison Tool.Take into consideration, the weight of an ILC will change dependant on the lens you select during that time. Below is a front view over all size comparison of the 645Z compared to the K20D.
Taking into account size and weight, the portability score of the 645Z and K20D is 49 and 59 respectively.
Pentax 645Z vs Pentax K20D Sensor Comparison
Oftentimes, it is hard to envision the difference between sensor dimensions simply by going over specifications. The picture here may give you a more clear sense of the sensor sizes in the 645Z and K20D.
Plainly, both the cameras have different megapixels and different sensor dimensions. The 645Z featuring a bigger sensor will make achieving shallow depth of field easier and the Pentax 645Z will deliver more detail as a result of its extra 36MP. Higher resolution can also allow you to crop pictures a bit more aggressively. The more recent 645Z will have an advantage in sensor technology.
Pentax 645Z vs Pentax K20D Screen and ViewFinder
Photography Type Scores
Portrait Comparison
Street Comparison
Sports Comparison
Travel Comparison
Landscape Comparison
Vlogging Comparison
Pentax 645Z vs Pentax K20D Specifications
Pentax 645Z | Pentax K20D | |
---|---|---|
General Information | ||
Brand Name | Pentax | Pentax |
Model type | Pentax 645Z | Pentax K20D |
Class | Pro DSLR | Advanced DSLR |
Revealed | 2014-04-15 | 2008-06-25 |
Physical type | Large SLR | Mid-size SLR |
Sensor Information | ||
Processor Chip | PRIME III | - |
Sensor type | CMOS | CMOS |
Sensor size | Medium format | APS-C |
Sensor dimensions | 44 x 33mm | 23.4 x 15.6mm |
Sensor area | 1,452.0mm² | 365.0mm² |
Sensor resolution | 51 megapixel | 15 megapixel |
Anti alias filter | ||
Aspect ratio | 4:3 | 3:2 |
Maximum resolution | 8256 x 6192 | 4672 x 3104 |
Maximum native ISO | 204800 | 3200 |
Maximum boosted ISO | - | 6400 |
Lowest native ISO | 100 | 100 |
RAW data | ||
Autofocusing | ||
Manual focusing | ||
Touch focus | ||
Continuous AF | ||
Single AF | ||
Tracking AF | ||
Selective AF | ||
AF center weighted | ||
AF multi area | ||
AF live view | ||
Face detect AF | ||
Contract detect AF | ||
Phase detect AF | ||
Total focus points | 27 | 11 |
Lens | ||
Lens support | Pentax 645AF2 | Pentax KAF2 |
Total lenses | 6 | 151 |
Crop factor | 0.8 | 1.5 |
Screen | ||
Type of display | Tilting | Fixed Type |
Display diagonal | 3.2" | 2.7" |
Resolution of display | 1,037 thousand dots | 230 thousand dots |
Selfie friendly | ||
Liveview | ||
Touch operation | ||
Viewfinder Information | ||
Viewfinder | Optical (pentaprism) | Optical (pentaprism) |
Viewfinder coverage | 98% | 95% |
Viewfinder magnification | 0.85x | 0.64x |
Features | ||
Lowest shutter speed | 30 secs | 30 secs |
Highest shutter speed | 1/4000 secs | 1/4000 secs |
Continuous shooting rate | 3.0 frames per second | 3.0 frames per second |
Shutter priority | ||
Aperture priority | ||
Expose Manually | ||
Exposure compensation | Yes | Yes |
Custom WB | ||
Image stabilization | ||
Integrated flash | ||
Flash distance | no built-in flash | 13.00 m (at ISO 100) |
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, Red-Eye, Slow, Red-Eye Slow, Rear curtain, wireless |
Hot shoe | ||
Auto exposure bracketing | ||
White balance bracketing | ||
Highest flash synchronize | 1/125 secs | 1/180 secs |
Exposure | ||
Multisegment metering | ||
Average metering | ||
Spot metering | ||
Partial metering | ||
AF area metering | ||
Center weighted metering | ||
Video features | ||
Supported video resolutions | 1920 x 1080 (60i, 50i, 30p, 25p, 24p), 1280 x 720 (60p, 50p, 30p, 25p,24p) | - |
Maximum video resolution | 1920x1080 | None |
Video format | MPEG-4, H.264 | - |
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 lb) | 800 grams (1.76 lb) |
Physical dimensions | 156 x 117 x 123mm (6.1" x 4.6" x 4.8") | 142 x 101 x 70mm (5.6" x 4.0" x 2.8") |
DXO scores | ||
DXO All around rating | 101 | 65 |
DXO Color Depth rating | 26.0 | 22.9 |
DXO Dynamic range rating | 14.7 | 11.1 |
DXO Low light rating | 4505 | 639 |
Other | ||
Battery life | 650 photographs | - |
Form of battery | Battery Pack | - |
Battery ID | D-LI90 | D-LI50 |
Self timer | Yes (2 or 10 secs) | Yes (2 or 10 sec) |
Time lapse recording | ||
Storage type | Dual SD/SDHC/SDXC slots | SD/MMC/SDHC card |
Card slots | Dual | Single |
Pricing at launch | $5,024 | $700 |