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Nikon Z5 vs Pentax 645Z

Portability
62
Imaging
76
Features
86
Overall
80
Nikon Z5 front
 
Pentax 645Z front
Portability
49
Imaging
80
Features
74
Overall
77

Nikon Z5 vs Pentax 645Z Key Specs

Nikon Z5
(Full Review)
  • 24MP - Full frame Sensor
  • 3.2" Tilting Display
  • ISO 100 - 51200 (Increase to 102400)
  • Sensor based 5-axis Image Stabilization
  • 1/8000s Maximum Shutter
  • 3840 x 2160 video
  • Nikon Z Mount
  • 675g - 134 x 101 x 70mm
  • Revealed July 2020
Pentax 645Z
(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
  • Announced April 2014
  • Earlier Model is Pentax 645D
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Nikon Z5 vs Pentax 645Z Overview

In this write-up, we are contrasting the Nikon Z5 and Pentax 645Z, former being a Advanced Mirrorless while the other is a Pro DSLR by rivals Nikon and Pentax. There is a sizable difference between the resolutions of the Z5 (24MP) and 645Z (51MP) and the Z5 (Full frame) and 645Z (Medium format) enjoy totally different sensor size.

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The Z5 was revealed 6 years later than the 645Z and that is quite a significant difference as far as tech is concerned. Both the cameras offer different body type with the Nikon Z5 being a SLR-style mirrorless camera and the Pentax 645Z being a Large SLR camera.

Before we go straight into a step-by-step comparison, below is a short introduction of how the Z5 grades against the 645Z with regard to portability, imaging, features and an overall grade.

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Reasons to pick Nikon Z5 over the Pentax 645Z

 Z5 645Z 
AnnouncedJuly 2020April 2014More recent by 77 months
Display resolution1040k1037kCrisper display (+3k dot)
Touch display Easily navigate

Reasons to pick Pentax 645Z over the Nikon Z5

 645Z Z5 

Common features in the Nikon Z5 and Pentax 645Z

 Z5 645Z 
Manually focus Very accurate focus
Display typeTiltingTiltingTilting display
Display sizing3.2"3.2"Equivalent display size
Selfie screen Neither has selfie screen

Nikon Z5 vs Pentax 645Z Physical Comparison

When you are planning to lug around your camera frequently, you have to take into account its weight and measurements. The Nikon Z5 has outer dimensions of 134mm x 101mm x 70mm (5.3" x 4.0" x 2.8") having a weight of 675 grams (1.49 lbs) and the Pentax 645Z has proportions of 156mm x 117mm x 123mm (6.1" x 4.6" x 4.8") having a weight of 1550 grams (3.42 lbs).

Check out the Nikon Z5 and Pentax 645Z in our completely new Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Remember, the weight of an ILC will vary depending on the lens you select at that moment. Following is the front view proportions comparison of the Z5 versus the 645Z.

Nikon Z5 vs Pentax 645Z size comparison

Factoring in size and weight, the portability grade of the Z5 and 645Z is 62 and 49 respectively.

Nikon Z5 vs Pentax 645Z top view buttons comparison

Nikon Z5 vs Pentax 645Z Sensor Comparison

Usually, it is very tough to envision the contrast between sensor measurements merely by reading technical specs. The photograph below might give you a more clear sense of the sensor dimensions in the Z5 and 645Z.

As you can tell, both of those cameras offer different megapixels and different sensor measurements. The Z5 with its tinier sensor will make achieving shallow DOF more challenging and the Pentax 645Z will offer more detail because of its extra 27 Megapixels. Greater resolution will also enable you to crop images a little more aggressively. The younger Z5 is going to have an advantage with regard to sensor innovation.

Nikon Z5 vs Pentax 645Z sensor size comparison

Nikon Z5 vs Pentax 645Z Screen and ViewFinder

Nikon Z5 vs Pentax 645Z Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Nikon Z5 as a Portrait photography camera
Pentax 645Z as a Portrait photography camera
85
focusing manually
good resolution (24 megapixels)
sensor size is great (Full frame)
comes with face detection focusing
exports RAW files
88
manual focus
excellent MP (51MP)
sensor size is great (Medium format)
provides face detection autofocus
saves RAW formats
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Street Comparison

Nikon Z5 Street photography factors
Pentax 645Z Street photography factors
74
tilting screen
has image stabilization (Sensor based 5-axis)
sensor size is great (Full frame)
exports RAW files
provides focus by touch
weather proofing
very good high ISO (51,200)
heavier than competitors (675 grams)
63
has a tilting screen
sensor size is great (Medium format)
saves RAW formats
weather proof
very good ISO range (204,800)
lack of image stabilization
heavier than others in class (1,550 grams)
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Sports Comparison

Nikon Z5 Sports photography information
Pentax 645Z Sports photography information
82
great max shutter speed (1/8,000s)
has image stabilization (Sensor based 5-axis)
good resolution (24MP)
sensor size is great (Full frame)
comes with tracking autofocus
weather proofing
good battery power (470 per charge)
comes with phase detect AF
slow continuous shooting (4.5 frames/s)
71
excellent MP (51MP)
sensor size is great (Medium format)
provides tracking autofocus
weather proof
comes with phase detect autofocus
max fps very slow (3.0 fps)
lack of image stabilization
terrible battery (650 CIPA)
Photography Glossary

Travel Comparison

Nikon Z5 Travel photography features
Pentax 645Z Travel photography features
68
good battery power (470 per charge)
weather proofing
connects via bluetooth
provides focus by touch
good resolution (24MP)
heavier than competitors (675 grams)
doesn't contain selfie friendly display
51
weather proof
excellent MP (51MP)
terrible battery (650 shots)
heavier than others in class (1,550 grams)
doesn't have selfie friendly display
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Landscape Comparison

Nikon Z5 Landscape photography advice
Pentax 645Z Landscape photography advice
86
focusing manually
switch lenses (Nikon Z mount)
screen size is good (3.2 inch)
has image stabilization (Sensor based 5-axis)
good resolution (24 megapixels)
sensor size is great (Full frame)
very good high ISO (51,200)
exports RAW files
weather proofing
good battery power (470 shots)
has double storage slots
78
manual focus
interchangeable lenses (Pentax 645AF2 mount)
nice screen size (3.2 inch)
excellent MP (51 megapixels)
sensor size is great (Medium format)
doesnt have low pass filter
very good ISO range (204,800)
saves RAW formats
weather proof
has double storage slots
lack of image stabilization
terrible battery (650 per charge)
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Vlogging Comparison

Nikon Z5 Vlogging factors
Pentax 645Z Vlogging factors
34
touchscreen capability
has image stabilization (Sensor based 5-axis)
comes with face detection focusing
video res high (3840 x 2160 pixels)
does have external mic port
doesn't contain selfie friendly display
heavier than competitors (675g)
27
provides face detection autofocus
video resolution high (1920 x 1080 pixels)
does have external mic port
doesn't have selfie friendly display
lack of image stabilization
heavier than others in class (1,550 grams)
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Nikon Z5 vs Pentax 645Z Specifications

Detailed spec comparison table for Nikon Z5 and Pentax 645Z
 Nikon Z5Pentax 645Z
General Information
Brand Nikon Pentax
Model type Nikon Z5 Pentax 645Z
Type Advanced Mirrorless Pro DSLR
Revealed 2020-07-20 2014-04-15
Body design SLR-style mirrorless Large SLR
Sensor Information
Chip Expeed 6 PRIME III
Sensor type CMOS CMOS
Sensor size Full frame Medium format
Sensor dimensions 35.9 x 23.9mm 44 x 33mm
Sensor surface area 858.0mm² 1,452.0mm²
Sensor resolution 24MP 51MP
Anti alias filter
Aspect ratio 1:1, 3:2 and 16:9 4:3
Maximum resolution 6016 x 4016 8256 x 6192
Maximum native ISO 51200 204800
Maximum boosted ISO 102400 -
Minimum native ISO 100 100
RAW format
Minimum boosted ISO 50 -
Autofocusing
Focus manually
AF touch
Continuous AF
AF single
Tracking AF
AF selectice
AF center weighted
AF multi area
Live view AF
Face detect AF
Contract detect AF
Phase detect AF
Total focus points 273 27
Lens
Lens mount type Nikon Z Pentax 645AF2
Amount of lenses 15 6
Crop factor 1 0.8
Screen
Display type Tilting Tilting
Display sizing 3.2 inches 3.2 inches
Resolution of display 1,040 thousand dot 1,037 thousand dot
Selfie friendly
Liveview
Touch operation
Viewfinder Information
Viewfinder type Electronic Optical (pentaprism)
Viewfinder resolution 3,690 thousand dot -
Viewfinder coverage 100% 98%
Viewfinder magnification 0.8x 0.85x
Features
Slowest shutter speed 30s 30s
Maximum shutter speed 1/8000s 1/4000s
Continuous shooting speed 4.5fps 3.0fps
Shutter priority
Aperture priority
Manual exposure
Exposure compensation Yes Yes
Change WB
Image stabilization
Integrated flash
Flash distance no built-in flash no built-in flash
Flash settings Front-curtain sync, slow sync, rear-curtain sync, red-eye reduction, red-eye reduction with slow sync, slow rear-curtain sync, 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
Auto exposure bracketing
White balance bracketing
Maximum flash sync 1/200s 1/125s
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Video resolutions 3840 x 2160 @ 30p, MOV, H.264, Linear PCM3840 x 2160 @ 25p, MOV, H.264, Linear PCM3840 x 2160 @ 24p, MOV, H.264, Linear PCM1920 x 1080 @ 60p, MOV, H.264, Linear PCM1920 x 1080 @ 50p, MOV, H.264, Linear PCM1920 x 1080 @ 30p, MOV, H.264, Linear PCM1920 x 1080 @ 25p, MOV, H.264, Linear PCM1920 x 1080 @ 24p, MOV, H.264, Linear PCM 1920 x 1080 (60i, 50i, 30p, 25p, 24p), 1280 x 720 (60p, 50p, 30p, 25p,24p)
Maximum video resolution 3840x2160 1920x1080
Video file format MPEG-4, H.264 MPEG-4, H.264
Mic jack
Headphone jack
Connectivity
Wireless Built-In None
Bluetooth
NFC
HDMI
USB Yes USB 3.0 (5 GBit/sec)
GPS None Optional
Physical
Environment seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 675g (1.49 pounds) 1550g (3.42 pounds)
Dimensions 134 x 101 x 70mm (5.3" x 4.0" x 2.8") 156 x 117 x 123mm (6.1" x 4.6" x 4.8")
DXO scores
DXO All around rating not tested 101
DXO Color Depth rating not tested 26.0
DXO Dynamic range rating not tested 14.7
DXO Low light rating not tested 4505
Other
Battery life 470 images 650 images
Style of battery Battery Pack Battery Pack
Battery ID EN-EL15c D-LI90
Self timer Yes (2, 5, 10 or 20 secs) Yes (2 or 10 secs)
Time lapse shooting
Type of storage Dual SD/SDHC/SDXC slots (UHS-II compatible) Dual SD/SDHC/SDXC slots
Storage slots 2 2
Price at launch $1,399 $5,024