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Nikon Z7 II vs Pentax 645Z

Portability
61
Imaging
80
Features
92
Overall
84
Nikon Z7 Mark II front
 
Pentax 645Z front
Portability
49
Imaging
80
Features
74
Overall
77

Nikon Z7 II vs Pentax 645Z Key Specs

Nikon Z7 II
(Full Review)
  • 46MP - Full frame Sensor
  • 3.2" Tilting Screen
  • ISO 64 - 25600 (Raise to 102400)
  • Sensor based 5-axis Image Stabilization
  • No Anti-Alias Filter
  • 1/8000s Max Shutter
  • 3840 x 2160 video
  • Nikon Z Mount
  • 705g - 134 x 101 x 70mm
  • Launched October 2020
  • Replaced the Nikon Z7
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
  • Revealed April 2014
  • Old Model is Pentax 645D
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Nikon Z7 II vs Pentax 645Z Overview

On this page, we will be looking at the Nikon Z7 II versus Pentax 645Z, former is a Pro Mirrorless while the latter is a Pro DSLR by companies Nikon and Pentax. The image resolution of the Z7 II (46MP) and the 645Z (51MP) is relatively comparable but the Z7 II (Full frame) and 645Z (Medium format) have totally different sensor sizing.

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The Z7 II was announced 6 years after the 645Z which is a fairly significant difference as far as camera tech is concerned. Both cameras have different body design with the Nikon Z7 II being a SLR-style mirrorless camera and the Pentax 645Z being a Large SLR camera.

Before delving straight to a step-by-step comparison, here is a concise overview of how the Z7 II scores vs the 645Z in the way of portability, imaging, features and an overall score.

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Reasons to pick Nikon Z7 II over the Pentax 645Z

 Z7 II 645Z 
RevealedOctober 2020April 2014More modern by 80 months
Screen resolution2100k1037kCrisper screen (+1063k dot)
Touch friendly screen Quickly navigate

Reasons to pick Pentax 645Z over the Nikon Z7 II

 645Z Z7 II 

Common features in the Nikon Z7 II and Pentax 645Z

 Z7 II 645Z 
Focus manually Dial precise focus
Screen typeTiltingTiltingTilting screen
Screen dimensions3.2"3.2"Equal screen measurement
Selfie screen Neither comes with selfie screen

Nikon Z7 II vs Pentax 645Z Physical Comparison

If you're planning to carry around your camera, you will have to consider its weight and proportions. The Nikon Z7 II comes with external dimensions of 134mm x 101mm x 70mm (5.3" x 4.0" x 2.8") with a weight of 705 grams (1.55 lbs) while the Pentax 645Z has measurements of 156mm x 117mm x 123mm (6.1" x 4.6" x 4.8") with a weight of 1550 grams (3.42 lbs).

Analyze the Nikon Z7 II versus Pentax 645Z in our completely new Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Bear in mind, the weight of an ILC will change depending on the lens you choose at the time. Following is a front view proportions comparison of the Z7 II vs the 645Z.

Nikon Z7 II vs Pentax 645Z size comparison

Taking into account size and weight, the portability score of the Z7 II and 645Z is 61 and 49 respectively.

Nikon Z7 II vs Pentax 645Z top view buttons comparison

Nikon Z7 II vs Pentax 645Z Sensor Comparison

Oftentimes, its difficult to see the gap in sensor sizes simply by going through a spec sheet. The pic below might offer you a stronger sense of the sensor dimensions in the Z7 II and 645Z.

As you can see, both cameras provide different megapixels and different sensor sizes. The Z7 II with its smaller sensor will make shooting shallow DOF harder and the Pentax 645Z will show extra detail with its extra 5 Megapixels. Higher resolution will also enable you to crop photographs more aggressively. The fresher Z7 II is going to have an advantage in sensor innovation.

Nikon Z7 II vs Pentax 645Z sensor size comparison

Nikon Z7 II vs Pentax 645Z Screen and ViewFinder

Nikon Z7 II vs Pentax 645Z Screen and Viewfinder comparison
Photography Glossary

Photography Type Scores

Portrait Comparison

Portrait photography with Nikon Z7 II
Portrait photography with Pentax 645Z
88
has manual focus
amazing MP (46MP)
sensor size is large (Full frame)
includes face detect focus
exports RAW files
88
has manual focus
high megapixels (51 megapixels)
sensor size is big (Medium format)
comes with face detect focusing
saves RAW files
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Street Comparison

Nikon Z7 II as a Street photography camera
Pentax 645Z as a Street photography camera
79
tilting screen
image stabilization (Sensor based 5-axis)
sensor size is large (Full frame)
exports RAW files
boasts focus by touch
environment proofing
very good high ISO (25,600)
63
screen tilts
sensor size is big (Medium format)
saves RAW files
weather proof
great high ISO (204,800)
lack of image stabilization
heavier than competition in class (1,550g)
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Sports Comparison

Nikon Z7 II Sports photography factors
Pentax 645Z Sports photography factors
90
high shutter speed (1/8,000 seconds)
image stabilization (Sensor based 5-axis)
amazing MP (46 megapixels)
sensor size is large (Full frame)
includes tracking focus
environment proofing
sensor has phase detect auto focus
71
high megapixels (51MP)
sensor size is big (Medium format)
comes with tracking focus
weather proof
supports phase detect AF
painfully slow continuous shooting (3.0 frames per second)
lack of image stabilization
terrible battery (650 shots)
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Travel Comparison

Nikon Z7 II Travel photography factors
Pentax 645Z Travel photography factors
72
environment proofing
supports bluetooth
boasts focus by touch
amazing MP (46MP)
screen isn't selfie friendly
51
weather proof
high megapixels (51MP)
terrible battery (650 shots)
heavier than competition in class (1,550g)
doesn't posses selfie friendly screen
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Landscape Comparison

Nikon Z7 II Landscape photography features
Pentax 645Z Landscape photography features
88
has manual focus
swap lenses (Nikon Z mount)
screen size is decent (3.2 inch)
image stabilization (Sensor based 5-axis)
amazing MP (46 megapixels)
sensor size is large (Full frame)
no low pass filter
very good high ISO (25,600)
exports RAW files
environment proofing
has double storage slots
78
has manual focus
change lenses (Pentax 645AF2 mount)
screen is a decent size (3.2")
high megapixels (51 megapixels)
sensor size is big (Medium format)
does not have low pass filter
great high ISO (204,800)
saves RAW files
weather proof
2 card slots
lack of image stabilization
terrible battery (650 per charge)
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Vlogging Comparison

Nikon Z7 II Vlogging features
Pentax 645Z Vlogging features
36
touchscreen capability
image stabilization (Sensor based 5-axis)
includes face detect focus
great video quality (3840 x 2160 pixels)
includes microphone port
screen isn't selfie friendly
27
comes with face detect focusing
video resolution high (1920 x 1080 resolution)
comes with mic support
doesn't posses selfie friendly screen
lack of image stabilization
heavier than competition in class (1,550g)
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Nikon Z7 II vs Pentax 645Z Specifications

Detailed spec comparison table for Nikon Z7 II and Pentax 645Z
 Nikon Z7 Mark IIPentax 645Z
General Information
Brand Name Nikon Pentax
Model Nikon Z7 Mark II Pentax 645Z
Class Pro Mirrorless Pro DSLR
Launched 2020-10-14 2014-04-15
Physical type SLR-style mirrorless Large SLR
Sensor Information
Processor Chip - PRIME III
Sensor type BSI-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 46 megapixel 51 megapixel
Anti aliasing filter
Aspect ratio 1:1, 5:4, 3:2 and 16:9 4:3
Maximum resolution 8256 x 5504 8256 x 6192
Maximum native ISO 25600 204800
Maximum boosted ISO 102400 -
Min native ISO 64 100
RAW files
Min boosted ISO 32 -
Autofocusing
Focus manually
Autofocus touch
Continuous autofocus
Autofocus single
Autofocus tracking
Autofocus selectice
Autofocus center weighted
Autofocus multi area
Live view autofocus
Face detection autofocus
Contract detection autofocus
Phase detection autofocus
Number of focus points 493 27
Lens
Lens mounting type Nikon Z Pentax 645AF2
Total lenses 15 6
Crop factor 1 0.8
Screen
Type of screen Tilting Tilting
Screen sizing 3.2 inches 3.2 inches
Resolution of screen 2,100k dots 1,037k dots
Selfie friendly
Liveview
Touch operation
Viewfinder Information
Viewfinder type Electronic Optical (pentaprism)
Viewfinder resolution 3,690k dots -
Viewfinder coverage 100 percent 98 percent
Viewfinder magnification 0.8x 0.85x
Features
Slowest shutter speed 30s 30s
Maximum shutter speed 1/8000s 1/4000s
Continuous shooting rate 10.0 frames per sec 3.0 frames per sec
Shutter priority
Aperture priority
Manual mode
Exposure compensation Yes Yes
Set white balance
Image stabilization
Inbuilt flash
Flash range no built-in flash no built-in flash
Flash modes 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
WB bracketing
Maximum flash synchronize 1/200s 1/125s
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Supported video resolutions 3840 x 2160 @ 60p / 144 Mbps, 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 format MPEG-4, H.264 MPEG-4, H.264
Mic support
Headphone support
Connectivity
Wireless Built-In None
Bluetooth
NFC
HDMI
USB Yes USB 3.0 (5 GBit/sec)
GPS None Optional
Physical
Environment sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 705g (1.55 lbs) 1550g (3.42 lbs)
Physical 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 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 420 images 650 images
Style of battery Battery Pack Battery Pack
Battery model - D-LI90
Self timer Yes (2, 5, 10 or 20 secs) Yes (2 or 10 secs)
Time lapse feature
Storage type CFexpress (Type B), XQD, SD (UHS-II) Dual SD/SDHC/SDXC slots
Card slots Dual Dual
Cost at launch $2,997 $5,024