Fujifilm GFX 50R vs Pentax 645Z
59 Imaging
83 Features
77 Overall
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49 Imaging
79 Features
74 Overall
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Fujifilm GFX 50R vs Pentax 645Z Key Specs
(Full Review)
- 51MP - Medium format Sensor
- 3.2" Tilting Display
- ISO 100 - 12800 (Raise to 102400)
- 1920 x 1080 video
- Fujifilm G Mount
- 775g - 161 x 97 x 66mm
- Introduced September 2018
(Full Review)
- 51MP - Medium format Sensor
- 3.2" Tilting Screen
- ISO 100 - 204800
- No Anti-Alias Filter
- 1920 x 1080 video
- Pentax 645AF2 Mount
- 1550g - 156 x 117 x 123mm
- Launched April 2014
- Replaced the Pentax 645D
Pentax 17 Pre-Orders Outperform Expectations by a Landslide Fujifilm GFX 50R vs Pentax 645Z Overview
Here is a detailed overview of the Fujifilm GFX 50R versus Pentax 645Z, former being a Pro Mirrorless while the latter is a Pro DSLR by rivals FujiFilm and Pentax. The resolution of the Fujifilm GFX 50R (51MP) and the 645Z (51MP) is pretty comparable and both cameras provide the same sensor dimensions (Medium format).
Snapchat Adds Watermarks to AI-Created ImagesThe Fujifilm GFX 50R was manufactured 4 years later than the 645Z and that is a fairly serious difference as far as camera tech is concerned. The two cameras have different body design with the Fujifilm GFX 50R being a Rangefinder-style mirrorless camera and the Pentax 645Z being a Large SLR camera.
Before going into a complete comparison, here is a quick synopsis of how the Fujifilm GFX 50R grades vs the 645Z in terms of portability, imaging, features and an overall rating.
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This is a preview of the gallery images for Fujifilm GFX 50R & Pentax 645Z. The entire galleries are available at Fujifilm GFX 50R Gallery & Pentax 645Z Gallery.
Reasons to pick Fujifilm GFX 50R over the Pentax 645Z
| Fujifilm GFX 50R | 645Z | |||
|---|---|---|---|---|
| Launched | September 2018 | April 2014 | Fresher by 55 months | |
| Screen resolution | 2360k | 1037k | Crisper screen (+1323k dot) | |
| Touch screen | Quickly navigate |
Reasons to pick Pentax 645Z over the Fujifilm GFX 50R
| 645Z | Fujifilm GFX 50R |
|---|
Common features in the Fujifilm GFX 50R and Pentax 645Z
| Fujifilm GFX 50R | 645Z | |||
|---|---|---|---|---|
| Manual focus | More exact focusing | |||
| Screen type | Tilting | Tilting | Tilting screen | |
| Screen dimensions | 3.2" | 3.2" | Equal screen sizing | |
| Selfie screen | No selfie screen |
Fujifilm GFX 50R vs Pentax 645Z Physical Comparison
For anyone who is aiming to carry your camera, you need to take into account its weight and volume. The Fujifilm GFX 50R enjoys outer measurements of 161mm x 97mm x 66mm (6.3" x 3.8" x 2.6") having a weight of 775 grams (1.71 lbs) while the Pentax 645Z has sizing of 156mm x 117mm x 123mm (6.1" x 4.6" x 4.8") accompanied by a weight of 1550 grams (3.42 lbs).
See the Fujifilm GFX 50R versus Pentax 645Z in our brand new Camera plus Lens Size Comparison Tool.
Bear in mind, the weight of an ILC will differ based on the lens you are using at that time. The following is a front view over all size comparison of the Fujifilm GFX 50R and the 645Z.

Taking into consideration size and weight, the portability grade of the Fujifilm GFX 50R and 645Z is 59 and 49 respectively.
Fujifilm GFX 50R vs Pentax 645Z Sensor Comparison
Generally, it can be difficult to visualize the contrast in sensor sizing simply by going through specifications. The visual here should give you a much better sense of the sensor measurements in the Fujifilm GFX 50R and 645Z.
Plainly, the 2 cameras have the same sensor dimensions and the same exact resolution and you can expect comparable quality of images however you may want to factor the age of the cameras into account. The fresher Fujifilm GFX 50R provides an advantage with regard to sensor innovation.
Fujifilm GFX 50R vs Pentax 645Z Screen and ViewFinder
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Fujifilm GFX 50R vs Pentax 645Z Specifications
| Fujifilm GFX 50R | Pentax 645Z | |
|---|---|---|
| General Information | ||
| Manufacturer | FujiFilm | Pentax |
| Model | Fujifilm GFX 50R | Pentax 645Z |
| Class | Pro Mirrorless | Pro DSLR |
| Introduced | 2018-09-25 | 2014-04-15 |
| Physical type | Rangefinder-style mirrorless | Large SLR |
| Sensor Information | ||
| Chip | X Processor Pro | PRIME III |
| Sensor type | CMOS | CMOS |
| Sensor size | Medium format | Medium format |
| Sensor dimensions | 44 x 33mm | 44 x 33mm |
| Sensor area | 1,452.0mm² | 1,452.0mm² |
| Sensor resolution | 51 megapixels | 51 megapixels |
| Anti aliasing filter | ||
| Aspect ratio | 1:1, 5:4, 4:3 and 3:2 | 4:3 |
| Highest resolution | 8256 x 6192 | 8256 x 6192 |
| Highest native ISO | 12800 | 204800 |
| Highest boosted ISO | 102400 | - |
| Min native ISO | 100 | 100 |
| RAW images | ||
| Min boosted ISO | 50 | - |
| Autofocusing | ||
| Manual focus | ||
| Touch focus | ||
| AF continuous | ||
| AF single | ||
| Tracking AF | ||
| Selective AF | ||
| AF center weighted | ||
| Multi area AF | ||
| AF live view | ||
| Face detect focusing | ||
| Contract detect focusing | ||
| Phase detect focusing | ||
| Number of focus points | 117 | 27 |
| Lens | ||
| Lens mount | Fujifilm G | Pentax 645AF2 |
| Amount of lenses | 12 | 6 |
| Crop factor | 0.8 | 0.8 |
| Screen | ||
| Type of display | Tilting | Tilting |
| Display sizing | 3.2 inches | 3.2 inches |
| Resolution of display | 2,360k dots | 1,037k dots |
| Selfie friendly | ||
| Liveview | ||
| Touch functionality | ||
| Viewfinder Information | ||
| Viewfinder | Electronic | Optical (pentaprism) |
| Viewfinder resolution | 3,690k dots | - |
| Viewfinder coverage | 100 percent | 98 percent |
| Viewfinder magnification | 0.97x | 0.85x |
| Features | ||
| Lowest shutter speed | 360s | 30s |
| Highest shutter speed | 1/4000s | 1/4000s |
| Highest quiet shutter speed | 1/16000s | - |
| Continuous shooting rate | 3.0 frames per second | 3.0 frames per second |
| Shutter priority | ||
| Aperture priority | ||
| Manually set exposure | ||
| Exposure compensation | Yes | Yes |
| Custom WB | ||
| Image stabilization | ||
| Built-in flash | ||
| Flash range | no built-in flash | no built-in flash |
| Flash options | Auto, standard, slow sync, manual, off | 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 |
| Hot shoe | ||
| AEB | ||
| WB bracketing | ||
| Highest flash synchronize | 1/125s | 1/125s |
| Exposure | ||
| Multisegment exposure | ||
| Average exposure | ||
| Spot exposure | ||
| Partial exposure | ||
| AF area exposure | ||
| Center weighted exposure | ||
| Video features | ||
| Supported video resolutions | 1920 x 1080 @ 30p, MOV, H.264, Linear PCM | 1920 x 1080 (60i, 50i, 30p, 25p, 24p), 1280 x 720 (60p, 50p, 30p, 25p,24p) |
| Highest video resolution | 1920x1080 | 1920x1080 |
| Video file format | MPEG-4, H.264 | MPEG-4, H.264 |
| Mic port | ||
| Headphone port | ||
| Connectivity | ||
| Wireless | Built-In | None |
| Bluetooth | ||
| NFC | ||
| HDMI | ||
| USB | USB 3.0 (5 GBit/sec) | USB 3.0 (5 GBit/sec) |
| GPS | None | Optional |
| Physical | ||
| Environment sealing | ||
| Water proof | ||
| Dust proof | ||
| Shock proof | ||
| Crush proof | ||
| Freeze proof | ||
| Weight | 775g (1.71 pounds) | 1550g (3.42 pounds) |
| Physical dimensions | 161 x 97 x 66mm (6.3" x 3.8" x 2.6") | 156 x 117 x 123mm (6.1" x 4.6" x 4.8") |
| DXO scores | ||
| DXO All around score | not tested | 101 |
| DXO Color Depth score | not tested | 26.0 |
| DXO Dynamic range score | not tested | 14.7 |
| DXO Low light score | not tested | 4505 |
| Other | ||
| Battery life | 400 pictures | 650 pictures |
| Style of battery | Battery Pack | Battery Pack |
| Battery model | NP-T125 | D-LI90 |
| Self timer | Yes (2 or 10 sec) | Yes (2 or 10 secs) |
| Time lapse recording | ||
| Storage type | SD/SDHC/SDXC (dual slots, UHS-II supported) | Dual SD/SDHC/SDXC slots |
| Card slots | Dual | Dual |
| Retail price | $4,499 | $5,024 |