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Fujifilm GFX 50R vs Pentax 645Z

Portability
59
Imaging
83
Features
77
Overall
80
Fujifilm GFX 50R front
 
Pentax 645Z front
Portability
49
Imaging
79
Features
74
Overall
77

Fujifilm GFX 50R vs Pentax 645Z Key Specs

Fujifilm GFX 50R
(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
Pentax 645Z
(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
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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).

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The 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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Reasons to pick Fujifilm GFX 50R over the Pentax 645Z

 Fujifilm GFX 50R 645Z 
LaunchedSeptember 2018April 2014Fresher by 55 months
Screen resolution2360k1037kCrisper 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 typeTiltingTiltingTilting screen
Screen dimensions3.2"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. Camera Size Comparison with Lenses

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.

Fujifilm GFX 50R vs Pentax 645Z size comparison

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 top view buttons comparison

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 sensor size comparison

Fujifilm GFX 50R vs Pentax 645Z Screen and ViewFinder

Fujifilm GFX 50R vs Pentax 645Z Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Fujifilm GFX 50R as a Portrait photography camera
Pentax 645Z as a Portrait photography camera
89
focusing manually
high sensor resolution (51MP)
sensor size is large (Medium format)
includes face detection focus
supports RAW files
87
has manual focus
great resolution (51 megapixels)
large sensor size (Medium format)
comes with face detection focus
exports RAW files
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Street Comparison

Fujifilm GFX 50R Street photography info
Pentax 645Z Street photography info
72
screen tilts up and down
sensor size is large (Medium format)
supports RAW files
offers touch to focus
environment proof
lack of image stabilization
63
has a tilting screen
large sensor size (Medium format)
exports RAW files
weather proof
above average high ISO (204,800)
no image stabilization
heavier than competition (1,550g)
Photography Glossary

Sports Comparison

Sports photography with Fujifilm GFX 50R
Sports photography with Pentax 645Z
69
silent shutter (1/16,000 seconds)
high sensor resolution (51 megapixels)
sensor size is large (Medium format)
includes tracking autofocus
environment proof
continuous shooting slow (3.0 frames per second)
lack of image stabilization
low battery pack (400 shots)
does not have phase detect auto focus
70
great resolution (51 megapixels)
large sensor size (Medium format)
comes with tracking autofocus
weather proof
comes with phase detect auto focus
slow fps (3.0 fps)
no image stabilization
low battery power (650 shots)
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Travel Comparison

Travel photography with Fujifilm GFX 50R
Travel photography with Pentax 645Z
66
environment proof
has bluetooth
offers touch to focus
high sensor resolution (51MP)
low battery pack (400 per charge)
screen isn't selfie friendly
51
weather proof
great resolution (51MP)
low battery power (650 per charge)
heavier than competition (1,550g)
doesn't offer selfie friendly display
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Landscape Comparison

Landscape photography with Fujifilm GFX 50R
Landscape photography with Pentax 645Z
79
focusing manually
change lenses (Fujifilm G mount)
nice screen size (3.2 inch)
high sensor resolution (51 megapixels)
sensor size is large (Medium format)
supports RAW files
environment proof
has double storage slots
lack of image stabilization
low battery pack (400 shots)
78
has manual focus
switch lenses (Pentax 645AF2 mount)
screen is a good size (3.2")
great resolution (51MP)
large sensor size (Medium format)
no anti-alias filter
above average high ISO (204,800)
exports RAW files
weather proof
two card slots
no image stabilization
low battery power (650 shots)
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Vlogging Comparison

Fujifilm GFX 50R Vlogging info
Pentax 645Z Vlogging info
33
touch screen
includes face detection focus
high quality video (1920 x 1080 pxls)
includes external mic port
screen isn't selfie friendly
lack of image stabilization
27
comes with face detection focus
video res high (1920 x 1080 resolution)
does have external mic socket
doesn't offer selfie friendly display
no image stabilization
heavier than competition (1,550 grams)
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Fujifilm GFX 50R vs Pentax 645Z Specifications

Detailed spec comparison table for Fujifilm GFX 50R and Pentax 645Z
 Fujifilm GFX 50RPentax 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