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Nikon Z6 II vs Pentax 645D

Portability
61
Imaging
77
Features
89
Overall
81
Nikon Z6 Mark II front
 
Pentax 645D front
Portability
50
Imaging
76
Features
52
Overall
66

Nikon Z6 II vs Pentax 645D Key Specs

Nikon Z6 II
(Full Review)
  • 25MP - Full frame Sensor
  • 3.2" Tilting Display
  • ISO 100 - 51200 (Expand to 204800)
  • Sensor based 5-axis Image Stabilization
  • 1/8000s Maximum Shutter
  • 3840 x 2160 video
  • Nikon Z Mount
  • 705g - 134 x 101 x 70mm
  • Launched October 2020
  • Superseded the Nikon Z6
Pentax 645D
(Full Review)
  • 40MP - Medium format Sensor
  • 3" Fixed Display
  • ISO 200 - 1600
  • No Anti-Alias Filter
  • No Video
  • Pentax 645AF2 Mount
  • 1480g - 156 x 117 x 119mm
  • Announced March 2010
  • Replacement is Pentax 645Z
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Nikon Z6 II vs Pentax 645D Overview

Here is a in depth overview of the Nikon Z6 II vs Pentax 645D, former being a Pro Mirrorless while the other is a Pro DSLR by competitors Nikon and Pentax. There is a sizable difference among the resolutions of the Z6 II (25MP) and 645D (40MP) and the Z6 II (Full frame) and 645D (Medium format) possess totally different sensor sizes.

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The Z6 II was announced 10 years later than the 645D and that is a fairly significant difference as far as camera tech is concerned. Each of the cameras come with different body type with the Nikon Z6 II being a SLR-style mirrorless camera and the Pentax 645D being a Large SLR camera.

Before diving through a complete comparison, below is a brief summation of how the Z6 II matches up vs the 645D with regard to portability, imaging, features and an overall rating.

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Reasons to pick Nikon Z6 II over the Pentax 645D

 Z6 II 645D 
AnnouncedOctober 2020March 2010Fresher by 130 months
Display typeTiltingFixed Tilting display
Display dimension3.2"3"Larger display (+0.2")
Display resolution2100k921kCrisper display (+1179k dot)
Touch friendly display Easily navigate

Reasons to pick Pentax 645D over the Nikon Z6 II

 645D Z6 II 

Common features in the Nikon Z6 II and Pentax 645D

 Z6 II 645D 
Focus manually More precise focus
Selfie screen Neither has selfie screen

Nikon Z6 II vs Pentax 645D Physical Comparison

For anyone who is planning to carry your camera regularly, you're going to have to factor its weight and size. The Nikon Z6 II has exterior dimensions of 134mm x 101mm x 70mm (5.3" x 4.0" x 2.8") having a weight of 705 grams (1.55 lbs) while the Pentax 645D has specifications of 156mm x 117mm x 119mm (6.1" x 4.6" x 4.7") having a weight of 1480 grams (3.26 lbs).

Check the Nikon Z6 II vs Pentax 645D in our newest Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Remember that, the weight of an ILC will change based on the lens you are utilizing at that moment. Underneath is the front view over all size comparison of the Z6 II versus the 645D.

Nikon Z6 II vs Pentax 645D size comparison

Factoring in size and weight, the portability grade of the Z6 II and 645D is 61 and 50 respectively.

Nikon Z6 II vs Pentax 645D top view buttons comparison

Nikon Z6 II vs Pentax 645D Sensor Comparison

Generally, it's difficult to see the difference in sensor sizing merely by researching a spec sheet. The photograph below will offer you a stronger sense of the sensor sizes in the Z6 II and 645D.

Clearly, both cameras have got different megapixels and different sensor sizing. The Z6 II having a smaller sensor will make getting bokeh tougher and the Pentax 645D will result in extra detail with its extra 15MP. Greater resolution will also help you crop images much more aggressively. The more recent Z6 II will have an advantage when it comes to sensor innovation.

Nikon Z6 II vs Pentax 645D sensor size comparison

Nikon Z6 II vs Pentax 645D Screen and ViewFinder

Nikon Z6 II vs Pentax 645D Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Nikon Z6 II as a Portrait photography camera
Pentax 645D as a Portrait photography camera
86
has manual focus
amazing MP (25MP)
sensor size is large (Full frame)
has face detect autofocus
exports RAW formats
77
manual focus
high resolution (40MP)
big sensor size (Medium format)
saves RAW formats
no liveview
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Street Comparison

Nikon Z6 II Street photography factors
Pentax 645D Street photography factors
78
tilting screen
has image stabilization (Sensor based 5-axis)
sensor size is large (Full frame)
exports RAW formats
comes with focus by touch
environment proof
good ISO range (51,200)
58
big sensor size (Medium format)
saves RAW formats
weather proof
screen does not articulate
lack of image stabilization
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Sports Comparison

Nikon Z6 II Sports photography highlights
Pentax 645D Sports photography highlights
82
great max shutter speed (1/8,000s)
has image stabilization (Sensor based 5-axis)
amazing MP (25MP)
sensor size is large (Full frame)
has tracking focus
environment proof
comes with phase detect autofocus
terrible battery power (410 CIPA)
63
high resolution (40 megapixels)
big sensor size (Medium format)
weather proof
comes with phase detect auto focus
no liveview
very slow continuous shooting (1.0 frames per second)
lack of image stabilization
low battery (800 per charge)
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Travel Comparison

Nikon Z6 II as a Travel photography camera
Pentax 645D as a Travel photography camera
66
environment proof
connects via bluetooth
comes with focus by touch
amazing MP (25 megapixels)
terrible battery power (410 per charge)
display is not selfie friendly
55
weather proof
high resolution (40MP)
low battery (800 per charge)
doesn't have a selfie friendly display
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Landscape Comparison

Nikon Z6 II Landscape photography info
Pentax 645D Landscape photography info
82
has manual focus
switch lenses (Nikon Z mount)
screen size is good (3.2 inches)
has image stabilization (Sensor based 5-axis)
amazing MP (25 megapixels)
sensor size is large (Full frame)
good ISO range (51,200)
exports RAW formats
environment proof
has dual storage slots
terrible battery power (410 CIPA)
72
manual focus
interchangeable lenses (Pentax 645AF2 mount)
pretty good screen size (3 inch)
high resolution (40MP)
big sensor size (Medium format)
does not have anti-alias filter
saves RAW formats
weather proof
two card slots
no liveview
lack of image stabilization
low battery (800 CIPA)
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Vlogging Comparison

Vlogging with Nikon Z6 II
Vlogging with Pentax 645D
36
has touchscreen
has image stabilization (Sensor based 5-axis)
has face detect autofocus
high res video (3840 x 2160 pxls)
does have mic jack
display is not selfie friendly
9
lack of video recording
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Nikon Z6 II vs Pentax 645D Specifications

Detailed spec comparison table for Nikon Z6 II and Pentax 645D
 Nikon Z6 Mark IIPentax 645D
General Information
Make Nikon Pentax
Model type Nikon Z6 Mark II Pentax 645D
Type Pro Mirrorless Pro DSLR
Launched 2020-10-14 2010-03-10
Physical type SLR-style mirrorless Large SLR
Sensor Information
Processor Chip - Prime II
Sensor type BSI-CMOS CCD
Sensor size Full frame Medium format
Sensor dimensions 35.9 x 23.9mm 44 x 33mm
Sensor area 858.0mm² 1,452.0mm²
Sensor resolution 25 megapixels 40 megapixels
Anti alias filter
Aspect ratio 1:1, 5:4, 3:2 and 16:9 4:3
Maximum resolution 6048 x 4024 7264 x 5440
Maximum native ISO 51200 1600
Maximum boosted ISO 204800 -
Minimum native ISO 100 200
RAW files
Minimum boosted ISO 50 100
Autofocusing
Focus manually
Touch to focus
Autofocus continuous
Autofocus single
Autofocus tracking
Selective autofocus
Autofocus center weighted
Multi area autofocus
Autofocus live view
Face detect autofocus
Contract detect autofocus
Phase detect autofocus
Total focus points 273 11
Lens
Lens mount type Nikon Z Pentax 645AF2
Total lenses 15 6
Crop factor 1 0.8
Screen
Display type Tilting Fixed Type
Display sizing 3.2" 3"
Resolution of display 2,100 thousand dots 921 thousand dots
Selfie friendly
Liveview
Touch capability
Display technology - TFT Color LCD with wide-viewing angle and with AR coating
Viewfinder Information
Viewfinder type Electronic Optical (pentaprism)
Viewfinder resolution 3,690 thousand dots -
Viewfinder coverage 100% 98%
Viewfinder magnification 0.8x 0.85x
Features
Slowest shutter speed 30 secs 30 secs
Maximum shutter speed 1/8000 secs 1/4000 secs
Continuous shooting rate 14.0 frames/s 1.0 frames/s
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Set white balance
Image stabilization
Inbuilt flash
Flash distance 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 Auto, On, Off, Red-eye, Slow Sync, Rear Curtain
External flash
AE bracketing
WB bracketing
Maximum flash synchronize 1/200 secs 1/125 secs
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Video resolutions 3840 x 2160 @ 30p / 144 Mbps, MOV, H.264, Linear PCM 3840 x 2160 @ 25p / 144 Mbps, MOV, H.264, Linear PCM 3840 x 2160 @ 24p / 144 Mbps, MOV, H.264, Linear PCM 1920 x 1080 @ 120p / 144 Mbps, MOV, H.264, Linear PCM 1920 x 1080 @ 100p / 144 Mbps, MOV, H.264, Linear PCM 1920 x 1080 @ 60p / 56 Mbps, MOV, H.264, Linear PCM 1920 x 1080 @ 50p / 56 Mbps, MOV, H.264, Linear PCM 1920 x 1080 @ 30p / 28 Mbps, MOV, H.264, Linear PCM 1920 x 1080 @ 25p / 28 Mbps, MOV, H.264, Linear PCM 1920 x 1080 @ 24p / 28 Mbps, MOV, H.264, Linear PCM -
Maximum video resolution 3840x2160 None
Video file format MPEG-4, H.264 -
Mic port
Headphone port
Connectivity
Wireless Built-In None
Bluetooth
NFC
HDMI
USB Yes USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environment sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 705 gr (1.55 lbs) 1480 gr (3.26 lbs)
Dimensions 134 x 101 x 70mm (5.3" x 4.0" x 2.8") 156 x 117 x 119mm (6.1" x 4.6" x 4.7")
DXO scores
DXO All around rating not tested 82
DXO Color Depth rating not tested 24.6
DXO Dynamic range rating not tested 12.6
DXO Low light rating not tested 1262
Other
Battery life 410 photos 800 photos
Type of battery Battery Pack Battery Pack
Battery ID - D-LI90
Self timer Yes (2, 5, 10 or 20 secs) Yes (2 or 10 sec)
Time lapse feature
Type of storage CFexpress Type B / XQD SD/SDHC
Card slots 2 2
Retail pricing $1,997 $4,000