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Nikon D5 vs Pentax 645D

Portability
50
Imaging
70
Features
84
Overall
75
Nikon D5 front
 
Pentax 645D front
Portability
50
Imaging
75
Features
52
Overall
65

Nikon D5 vs Pentax 645D Key Specs

Nikon D5
(Full Review)
  • 21MP - Full frame Sensor
  • 3.2" Fixed Screen
  • ISO 100 - 102400 (Increase to 3280000)
  • 1/8000s Max Shutter
  • 3840 x 2160 video
  • Nikon F Mount
  • 1415g - 160 x 158.5 x 92mm
  • Released January 2016
  • Earlier Model is Nikon D4s
  • Refreshed by Nikon D6
Pentax 645D
(Full Review)
  • 40MP - Medium format Sensor
  • 3" Fixed Screen
  • ISO 200 - 1600
  • No Anti-Alias Filter
  • No Video
  • Pentax 645AF2 Mount
  • 1480g - 156 x 117 x 119mm
  • Introduced March 2010
  • Successor is Pentax 645Z
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Nikon D5 vs Pentax 645D Overview

Below, we will be comparing the Nikon D5 vs Pentax 645D, both Pro DSLR digital cameras by rivals Nikon and Pentax. There is a substantial difference between the sensor resolutions of the D5 (21MP) and 645D (40MP) and the D5 (Full frame) and 645D (Medium format) enjoy different sensor sizing.

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The D5 was announced 5 years later than the 645D and that is quite a big difference as far as tech is concerned. Both the cameras come with the identical body type (Large SLR).

Before getting through a detailed comparison, below is a quick synopsis of how the D5 scores vs the 645D in terms of portability, imaging, features and an overall grade.

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Reasons to pick Nikon D5 over the Pentax 645D

 D5 645D 
IntroducedJanuary 2016March 2010More recent by 71 months
Screen dimension3.2"3"Bigger screen (+0.2")
Screen resolution2359k921kSharper screen (+1438k dot)
Touch screen Quickly navigate

Reasons to pick Pentax 645D over the Nikon D5

 645D D5 

Common features in the Nikon D5 and Pentax 645D

 D5 645D 
Manual focus Dial precise focus
Screen typeFixed Fixed Fixed screen
Selfie screen Lacking selfie screen

Nikon D5 vs Pentax 645D Physical Comparison

In case you're aiming to lug around your camera regularly, you have to factor its weight and size. The Nikon D5 comes with outside dimensions of 160mm x 158.5mm x 92mm (6.3" x 6.2" x 3.6") and a weight of 1415 grams (3.12 lbs) and 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).

Analyze the Nikon D5 vs Pentax 645D in our completely new Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Always remember, the weight of an ILC will vary dependant on the lens you have chosen during that time. Following is the front view proportions comparison of the D5 against the 645D.

Nikon D5 vs Pentax 645D size comparison

Considering size and weight, the portability grade of the D5 and 645D is 50 and 50 respectively.

Nikon D5 vs Pentax 645D top view buttons comparison

Nikon D5 vs Pentax 645D Sensor Comparison

Generally, it is hard to visualize the difference between sensor measurements only by looking at specifications. The photograph below might give you a much better sense of the sensor sizes in the D5 and 645D.

To sum up, both the cameras posses different resolutions and different sensor measurements. The D5 using its tinier sensor is going to make getting bokeh tougher and the Pentax 645D will give you more detail with its extra 19 Megapixels. Higher resolution will enable you to crop pictures somewhat more aggressively. The newer D5 provides an edge when it comes to sensor innovation.

Nikon D5 vs Pentax 645D sensor size comparison

Nikon D5 vs Pentax 645D Screen and ViewFinder

Nikon D5 vs Pentax 645D Screen and Viewfinder comparison
Photography Glossary

Photography Type Scores

Portrait Comparison

Portrait photography with Nikon D5
Portrait photography with Pentax 645D
82
you can focus manually
megapixel count decent (21 megapixels)
great sensor size (Full frame)
has face detection focusing
saves RAW files
77
has manual focus
megapixel count excellent (40MP)
sensor size is great (Medium format)
saves RAW formats
doesn't have liveview
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Street Comparison

Street photography with Nikon D5
Street photography with Pentax 645D
60
great sensor size (Full frame)
saves RAW files
weather proof
great ISO range (102,400)
screen is fixed
no image stabilization
58
sensor size is great (Medium format)
saves RAW formats
environment sealing
no moving screen
does not have image stabilization
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Sports Comparison

Sports photography with Nikon D5
Sports photography with Pentax 645D
78
max shutter speed is good (1/8,000s)
megapixel count decent (21MP)
great sensor size (Full frame)
has tracking autofocus
weather proof
great battery (3,780 per charge)
has phase detect AF
no image stabilization
62
megapixel count excellent (40MP)
sensor size is great (Medium format)
environment sealing
sensor has phase detect AF
doesn't have liveview
very slow continuous shooting (1.0 frames/s)
does not have image stabilization
terrible battery (800 CIPA)
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Travel Comparison

Nikon D5 Travel photography advice
Pentax 645D Travel photography advice
64
great battery (3,780 shots)
weather proof
megapixel count decent (21MP)
screen isn't selfie friendly
55
environment sealing
megapixel count excellent (40MP)
terrible battery (800 shots)
screen is not selfie friendly
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Landscape Comparison

Nikon D5 Landscape photography factors
Pentax 645D Landscape photography factors
78
you can focus manually
swap lenses (Nikon F mount)
screen is a decent size (3.2")
megapixel count decent (21MP)
great sensor size (Full frame)
great ISO range (102,400)
saves RAW files
weather proof
great battery (3,780 shots)
2 card slots
no image stabilization
72
has manual focus
change lenses (Pentax 645AF2 mount)
screen size is good (3 inch)
megapixel count excellent (40 megapixels)
sensor size is great (Medium format)
no anti aliasing filter
saves RAW formats
environment sealing
has double storage slots
doesn't have liveview
does not have image stabilization
terrible battery (800 per charge)
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Vlogging Comparison

Nikon D5 Vlogging advice
Pentax 645D Vlogging advice
30
touch screen
has face detection focusing
high res video (3840 x 2160 pixels)
has external microphone support
screen isn't selfie friendly
no image stabilization
9
can't shoot video
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Nikon D5 vs Pentax 645D Specifications

Detailed spec comparison table for Nikon D5 and Pentax 645D
 Nikon D5Pentax 645D
General Information
Brand Name Nikon Pentax
Model type Nikon D5 Pentax 645D
Category Pro DSLR Pro DSLR
Released 2016-01-05 2010-03-10
Body design Large SLR Large SLR
Sensor Information
Powered by Expeed 5 Prime II
Sensor type CMOS CCD
Sensor size Full frame Medium format
Sensor measurements 35.8 x 23.9mm 44 x 33mm
Sensor surface area 855.6mm² 1,452.0mm²
Sensor resolution 21 megapixel 40 megapixel
Anti alias filter
Aspect ratio 1:1, 5:4, 4:3 and 3:2 4:3
Maximum resolution 5588 x 3712 7264 x 5440
Maximum native ISO 102400 1600
Maximum boosted ISO 3280000 -
Minimum native ISO 100 200
RAW photos
Minimum boosted ISO - 100
Autofocusing
Focus manually
AF touch
AF continuous
AF single
AF tracking
AF selectice
AF center weighted
Multi area AF
Live view AF
Face detection focusing
Contract detection focusing
Phase detection focusing
Total focus points 153 11
Cross type focus points 99 -
Lens
Lens mount type Nikon F Pentax 645AF2
Number of lenses 309 6
Focal length multiplier 1 0.8
Screen
Screen type Fixed Type Fixed Type
Screen sizing 3.2 inches 3 inches
Resolution of screen 2,359 thousand dot 921 thousand dot
Selfie friendly
Liveview
Touch function
Screen tech - TFT Color LCD with wide-viewing angle and with AR coating
Viewfinder Information
Viewfinder type Optical (pentaprism) Optical (pentaprism)
Viewfinder coverage 100% 98%
Viewfinder magnification 0.72x 0.85x
Features
Slowest shutter speed 30 secs 30 secs
Maximum shutter speed 1/8000 secs 1/4000 secs
Continuous shooting speed 14.0 frames/s 1.0 frames/s
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 modes Auto, On, Off, Red-eye, Slow sync, Rear curtain Auto, On, Off, Red-eye, Slow Sync, Rear Curtain
Hot shoe
AE bracketing
WB bracketing
Maximum flash sync - 1/125 secs
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Video resolutions 4K (UHD) 30p/25p/24p, 1080/60p/50p/30p/25p/24p, 720/60p/50p -
Maximum video resolution 3840x2160 None
Video format MPEG-4, H.264 -
Microphone jack
Headphone jack
Connectivity
Wireless Optional None
Bluetooth
NFC
HDMI
USB USB 3.0 (5 GBit/sec) USB 2.0 (480 Mbit/sec)
GPS Optional None
Physical
Environmental seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 1415g (3.12 pounds) 1480g (3.26 pounds)
Dimensions 160 x 158.5 x 92mm (6.3" x 6.2" x 3.6") 156 x 117 x 119mm (6.1" x 4.6" x 4.7")
DXO scores
DXO All around rating 88 82
DXO Color Depth rating 25.1 24.6
DXO Dynamic range rating 12.3 12.6
DXO Low light rating 2434 1262
Other
Battery life 3780 shots 800 shots
Type of battery Battery Pack Battery Pack
Battery ID EN-EL18a D-LI90
Self timer Yes (2, 5, 10 or 20 sec) Yes (2 or 10 sec)
Time lapse shooting
Type of storage Dual CompactFlash or dual XQD SD/SDHC
Storage slots 2 2
Cost at launch $6,500 $4,000