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Nikon D2Xs vs Pentax 645Z

Portability
51
Imaging
50
Features
40
Overall
46
Nikon D2Xs front
 
Pentax 645Z front
Portability
49
Imaging
80
Features
74
Overall
77

Nikon D2Xs vs Pentax 645Z Key Specs

Nikon D2Xs
(Full Review)
  • 12MP - APS-C Sensor
  • 2.5" Fixed Screen
  • ISO 100 - 800 (Increase to 3200)
  • 1/8000s Max Shutter
  • No Video
  • Nikon F Mount
  • 1200g - 158 x 150 x 86mm
  • Released June 2006
  • Succeeded the Nikon D2X
  • New Model is Nikon D3X
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
  • Replaced the Pentax 645D
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Nikon D2Xs vs Pentax 645Z Overview

Below, we are analyzing the Nikon D2Xs vs Pentax 645Z, both Pro DSLR cameras by rivals Nikon and Pentax. There exists a noticeable gap among the resolutions of the D2Xs (12MP) and 645Z (51MP) and the D2Xs (APS-C) and 645Z (Medium format) come with totally different sensor sizes.

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The D2Xs was introduced 8 years before the 645Z which is a fairly sizable difference as far as camera technology is concerned. Both of these cameras come with the identical body type (Large SLR).

Before diving in to a comprehensive comparison, below is a short introduction of how the D2Xs matches up vs the 645Z in regards to portability, imaging, features and an overall score.

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Reasons to pick Nikon D2Xs over the Pentax 645Z

 D2Xs 645Z 

Reasons to pick Pentax 645Z over the Nikon D2Xs

 645Z D2Xs 
AnnouncedApril 2014June 2006More modern by 95 months
Display typeTiltingFixed Tilting display
Display dimension3.2"2.5"Larger display (+0.7")
Display resolution1037k235kSharper display (+802k dot)

Common features in the Nikon D2Xs and Pentax 645Z

 D2Xs 645Z 
Focus manually Very accurate focus
Selfie screen Neither offers selfie screen
Touch friendly display Absent Touch friendly display

Nikon D2Xs vs Pentax 645Z Physical Comparison

For those who are going to carry around your camera, you should take into account its weight and proportions. The Nikon D2Xs offers external measurements of 158mm x 150mm x 86mm (6.2" x 5.9" x 3.4") along with a weight of 1200 grams (2.65 lbs) whilst the Pentax 645Z has measurements of 156mm x 117mm x 123mm (6.1" x 4.6" x 4.8") along with a weight of 1550 grams (3.42 lbs).

See the Nikon D2Xs vs Pentax 645Z in our newest Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Keep in mind, the weight of an ILC will vary based on the lens you are using at that time. Following is the front view overall size comparison of the D2Xs vs the 645Z.

Nikon D2Xs vs Pentax 645Z size comparison

Taking into account dimensions and weight, the portability rating of the D2Xs and 645Z is 51 and 49 respectively.

Nikon D2Xs vs Pentax 645Z top view buttons comparison

Nikon D2Xs vs Pentax 645Z Sensor Comparison

More often than not, it can be difficult to envision the difference in sensor sizes simply by seeing specs. The picture underneath will provide you a clearer sense of the sensor measurements in the D2Xs and 645Z.

As you can plainly see, each of these cameras have got different resolutions and different sensor sizes. The D2Xs using its smaller sensor will make achieving shallow depth of field more difficult and the Pentax 645Z will provide more detail using its extra 39MP. Greater resolution can also make it easier to crop pics much more aggressively. The more aged D2Xs will be disadvantaged when it comes to sensor innovation.

Nikon D2Xs vs Pentax 645Z sensor size comparison

Nikon D2Xs vs Pentax 645Z Screen and ViewFinder

Nikon D2Xs vs Pentax 645Z Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Nikon D2Xs as a Portrait photography camera
Pentax 645Z as a Portrait photography camera
54
manual focus
sensor size is nice (APS-C)
exports RAW formats
no liveview
low megapixels (12 megapixels)
88
you can focus manually
fantastic sensor resolution (51 megapixels)
sensor size is big (Medium format)
features face detect focus
supports RAW formats
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Street Comparison

Nikon D2Xs Street photography information
Pentax 645Z Street photography information
50
sensor size is nice (APS-C)
exports RAW formats
weather proof
screen is fixed
lack of image stabilization
maximum ISO low (800)
63
screen tilts up and down
sensor size is big (Medium format)
supports RAW formats
environment sealing
very good ISO range (204,800)
no image stabilization
more heavy than competition in class (1,550g)
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Sports Comparison

Nikon D2Xs Sports photography features
Pentax 645Z Sports photography features
53
max shutter speed is good (1/8,000s)
sensor size is nice (APS-C)
weather proof
comes with phase detect auto focus
no liveview
lack of image stabilization
low megapixels (12 megapixels)
71
fantastic sensor resolution (51 megapixels)
sensor size is big (Medium format)
features tracking focus
environment sealing
supports phase detect auto focus
painfully slow continuous shooting (3.0 frames/s)
no image stabilization
low battery pack (650 CIPA)
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Travel Comparison

Nikon D2Xs as a Travel photography camera
Pentax 645Z as a Travel photography camera
43
weather proof
low megapixels (12 megapixels)
display is not selfie friendly
51
environment sealing
fantastic sensor resolution (51 megapixels)
low battery pack (650 shots)
more heavy than competition in class (1,550g)
does not feature selfie friendly screen
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Landscape Comparison

Nikon D2Xs as a Landscape photography camera
Pentax 645Z as a Landscape photography camera
50
manual focus
interchangeable lenses (Nikon F mount)
sensor size is nice (APS-C)
exports RAW formats
weather proof
tiny screen (2.5 inches)
no liveview
lack of image stabilization
low megapixels (12 megapixels)
maximum ISO low (800)
78
you can focus manually
change lenses (Pentax 645AF2 mount)
nice screen size (3.2")
fantastic sensor resolution (51MP)
sensor size is big (Medium format)
does not have anti-alias filter
very good ISO range (204,800)
supports RAW formats
environment sealing
has double storage slots
no image stabilization
low battery pack (650 CIPA)
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Vlogging Comparison

Nikon D2Xs Vlogging features
Pentax 645Z Vlogging features
9
can't record video
27
features face detect focus
video res high (1920 x 1080 pxls)
comes with microphone port
does not feature selfie friendly screen
no image stabilization
more heavy than competition in class (1,550g)
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Nikon D2Xs vs Pentax 645Z Specifications

Detailed spec comparison table for Nikon D2Xs and Pentax 645Z
 Nikon D2XsPentax 645Z
General Information
Make Nikon Pentax
Model type Nikon D2Xs Pentax 645Z
Class Pro DSLR Pro DSLR
Released 2006-06-01 2014-04-15
Body design Large SLR Large SLR
Sensor Information
Processor - PRIME III
Sensor type CMOS CMOS
Sensor size APS-C Medium format
Sensor measurements 23.7 x 15.7mm 44 x 33mm
Sensor area 372.1mm² 1,452.0mm²
Sensor resolution 12 megapixels 51 megapixels
Anti alias filter
Aspect ratio 3:2 4:3
Max resolution 4288 x 2848 8256 x 6192
Max native ISO 800 204800
Max enhanced ISO 3200 -
Minimum native ISO 100 100
RAW pictures
Autofocusing
Manual focusing
Touch to focus
Continuous autofocus
Single autofocus
Autofocus tracking
Selective autofocus
Center weighted autofocus
Autofocus multi area
Autofocus live view
Face detection focus
Contract detection focus
Phase detection focus
Total focus points - 27
Lens
Lens mount type Nikon F Pentax 645AF2
Available lenses 309 6
Focal length multiplier 1.5 0.8
Screen
Range of screen Fixed Type Tilting
Screen diagonal 2.5 inch 3.2 inch
Screen resolution 235k dot 1,037k dot
Selfie friendly
Liveview
Touch screen
Viewfinder Information
Viewfinder type Optical (pentaprism) Optical (pentaprism)
Viewfinder coverage 100 percent 98 percent
Viewfinder magnification 0.57x 0.85x
Features
Min shutter speed 30s 30s
Max shutter speed 1/8000s 1/4000s
Continuous shutter speed 8.0fps 3.0fps
Shutter priority
Aperture priority
Manual exposure
Exposure compensation Yes Yes
Custom white balance
Image stabilization
Integrated flash
Flash distance no built-in flash no built-in flash
Flash settings Front curtain, Rear curtain, Red-Eye, Slow, Red-Eye Slow 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
External flash
AE bracketing
White balance bracketing
Max flash sync 1/250s 1/125s
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Supported video resolutions - 1920 x 1080 (60i, 50i, 30p, 25p, 24p), 1280 x 720 (60p, 50p, 30p, 25p,24p)
Max video resolution None 1920x1080
Video data format - MPEG-4, H.264
Microphone jack
Headphone jack
Connectivity
Wireless None None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 3.0 (5 GBit/sec)
GPS None Optional
Physical
Environmental seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 1200g (2.65 pounds) 1550g (3.42 pounds)
Dimensions 158 x 150 x 86mm (6.2" x 5.9" x 3.4") 156 x 117 x 123mm (6.1" x 4.6" x 4.8")
DXO scores
DXO Overall rating 59 101
DXO Color Depth rating 22.2 26.0
DXO Dynamic range rating 10.9 14.7
DXO Low light rating 489 4505
Other
Battery life - 650 photos
Battery form - Battery Pack
Battery ID - D-LI90
Self timer Yes (2 to 20 sec) Yes (2 or 10 secs)
Time lapse recording
Storage media Compact Flash (Type I or II) Dual SD/SDHC/SDXC slots
Storage slots Single 2
Launch cost $3,999 $5,024