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Pentax 645D vs Zeiss ZX1

Portability
50
Imaging
75
Features
52
Overall
65
Pentax 645D front
 
Zeiss ZX1 front
Portability
67
Imaging
77
Features
62
Overall
71

Pentax 645D vs Zeiss ZX1 Key Specs

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
  • Later Model is Pentax 645Z
Zeiss ZX1
(Full Review)
  • 37MP - Full frame Sensor
  • 4.34" Fully Articulated Display
  • ISO 80 - 51200
  • 1/8000s Max Shutter
  • 3840 x 2160 video
  • 35mm (F2-22) lens
  • 800g - 142 x 93 x 46mm
  • Announced September 2018
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Pentax 645D vs Zeiss ZX1 Overview

The following is a in-depth comparison of the Pentax 645D versus Zeiss ZX1, one is a Pro DSLR and the other is a Large Sensor Compact by rivals Pentax and Zeiss. The sensor resolution of the 645D (40MP) and the ZX1 (37MP) is fairly similar but the 645D (Medium format) and ZX1 (Full frame) provide totally different sensor sizes.

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The 645D was launched 9 years earlier than the ZX1 which is quite a serious gap as far as tech is concerned. Each of the cameras feature different body design with the Pentax 645D being a Large SLR camera and the Zeiss ZX1 being a Large Sensor Compact camera.

Before we go into a detailed comparison, here is a short summary of how the 645D matches up against the ZX1 in the way of portability, imaging, features and an overall mark.

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Reasons to pick Pentax 645D over the Zeiss ZX1

 645D ZX1 

Reasons to pick Zeiss ZX1 over the Pentax 645D

 ZX1 645D 
AnnouncedSeptember 2018March 2010Newer by 104 months
Display typeFully ArticulatedFixed Fully Articulating display
Display size4.34"3"Larger display (+1.34")
Display resolution2765k921kClearer display (+1844k dot)
Touch display Easily navigate

Common features in the Pentax 645D and Zeiss ZX1

 645D ZX1 
Manually focus Very accurate focusing
Selfie screen Neither offers selfie screen

Pentax 645D vs Zeiss ZX1 Physical Comparison

For anyone who is aiming to travel with your camera, you need to take into account its weight and dimensions. The Pentax 645D offers exterior dimensions of 156mm x 117mm x 119mm (6.1" x 4.6" x 4.7") and a weight of 1480 grams (3.26 lbs) whilst the Zeiss ZX1 has dimensions of 142mm x 93mm x 46mm (5.6" x 3.7" x 1.8") with a weight of 800 grams (1.76 lbs).

Compare the Pentax 645D versus Zeiss ZX1 in the new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Keep in mind, the weight of an Interchangeable Lens Camera will differ dependant on the lens you select at that moment. Following is a front view sizing comparison of the 645D versus the ZX1.

Pentax 645D vs Zeiss ZX1 size comparison

Looking at size and weight, the portability grade of the 645D and ZX1 is 50 and 67 respectively.

Pentax 645D vs Zeiss ZX1 top view buttons comparison

Pentax 645D vs Zeiss ZX1 Sensor Comparison

Usually, it can be tough to visualise the contrast between sensor dimensions merely by reviewing technical specs. The image here might give you a stronger sense of the sensor dimensions in the 645D and ZX1.

As you can tell, both cameras feature different resolutions and different sensor dimensions. The 645D featuring a larger sensor will make shooting shallow depth of field less difficult and the Pentax 645D will deliver greater detail utilizing its extra 3 Megapixels. Greater resolution can also make it easier to crop pics way more aggressively. The more aged 645D is going to be disadvantaged in sensor innovation.

Pentax 645D vs Zeiss ZX1 sensor size comparison

Pentax 645D vs Zeiss ZX1 Screen and ViewFinder

Pentax 645D vs Zeiss ZX1 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax 645D as a Portrait photography camera
Zeiss ZX1 as a Portrait photography camera
77
manual focus
MP count great (40MP)
big sensor size (Medium format)
saves RAW formats
does not have liveview
86
you can focus manually
excellent MP (37 megapixels)
sensor size is large (Full frame)
comes with face detect focus
supports RAW formats
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Street Comparison

Pentax 645D Street photography information
Zeiss ZX1 Street photography information
58
big sensor size (Medium format)
saves RAW formats
weather proof
no moving screen
lack of image stabilization
70
screen articulates fully
sensor size is large (Full frame)
supports RAW formats
boasts focus by touch
good ISO range (51,200)
no image stabilization
more heavy than competitors in class (800g)
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Sports Comparison

Pentax 645D Sports photography advice
Zeiss ZX1 Sports photography advice
62
MP count great (40MP)
big sensor size (Medium format)
weather proof
comes with phase detect autofocus
does not have liveview
low fps (1.0 frames per second)
lack of image stabilization
terrible battery (800 shots)
63
high shutter speed (1/8,000s)
excellent MP (37 megapixels)
sensor size is large (Full frame)
comes with tracking focus
fixed focal length (35mm)
low frames per second (3.0 frames per second)
no image stabilization
no phase detect auto focus
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Travel Comparison

Pentax 645D as a Travel photography camera
Zeiss ZX1 as a Travel photography camera
55
weather proof
MP count great (40 megapixels)
terrible battery (800 shots)
screen is not selfie friendly
65
has bluetooth
boasts focus by touch
excellent MP (37MP)
good max aperture (f2)
does not have Timelapse mode
more heavy than competitors in class (800 grams)
screen is not selfie friendly
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Landscape Comparison

Pentax 645D as a Landscape photography camera
Zeiss ZX1 as a Landscape photography camera
72
manual focus
swap lenses (Pentax 645AF2 mount)
nice screen size (3 inches)
MP count great (40MP)
big sensor size (Medium format)
doesnt have anti aliasing filter
saves RAW formats
weather proof
2 card slots
does not have liveview
lack of image stabilization
terrible battery (800 CIPA)
69
you can focus manually
good max aperture (f2)
screen larger than average (4.34")
excellent MP (37MP)
sensor size is large (Full frame)
good ISO range (51,200)
supports RAW formats
can't change lenses (fixed lens mount)
fixed focal length (35mm)
no image stabilization
does not have Timelapse mode
Photography Glossary

Vlogging Comparison

Pentax 645D Vlogging information
Zeiss ZX1 Vlogging information
9
lack of video recording
31
good max aperture (f2)
touch screen
comes with face detect focus
high res video (3840 x 2160 pixels)
screen is not selfie friendly
no image stabilization
does not have microphone jack
more heavy than competitors in class (800 grams)
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Pentax 645D vs Zeiss ZX1 Specifications

Detailed spec comparison table for Pentax 645D and Zeiss ZX1
 Pentax 645DZeiss ZX1
General Information
Company Pentax Zeiss
Model type Pentax 645D Zeiss ZX1
Category Pro DSLR Large Sensor Compact
Introduced 2010-03-10 2018-09-27
Body design Large SLR Large Sensor Compact
Sensor Information
Processor Prime II -
Sensor type CCD CMOS
Sensor size Medium format Full frame
Sensor measurements 44 x 33mm 36 x 24mm
Sensor area 1,452.0mm² 864.0mm²
Sensor resolution 40 megapixel 37 megapixel
Anti alias filter
Aspect ratio 4:3 3:2
Max resolution 7264 x 5440 7488 x 4992
Max native ISO 1600 51200
Min native ISO 200 80
RAW images
Min enhanced ISO 100 -
Autofocusing
Manual focusing
Touch to focus
Continuous autofocus
Single autofocus
Tracking autofocus
Autofocus selectice
Autofocus center weighted
Autofocus multi area
Live view autofocus
Face detection autofocus
Contract detection autofocus
Phase detection autofocus
Total focus points 11 255
Lens
Lens mount type Pentax 645AF2 fixed lens
Lens zoom range - 35mm (1x)
Highest aperture - f/2-22
Available lenses 6 -
Crop factor 0.8 1
Screen
Range of screen Fixed Type Fully Articulated
Screen sizing 3" 4.34"
Resolution of screen 921 thousand dot 2,765 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) Electronic
Viewfinder resolution - 6,221 thousand dot
Viewfinder coverage 98% 100%
Viewfinder magnification 0.85x -
Features
Min shutter speed 30s 30s
Max shutter speed 1/4000s 1/8000s
Continuous shutter speed 1.0fps 3.0fps
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Change white balance
Image stabilization
Inbuilt flash
Flash distance no built-in flash no built-in flash
Flash options Auto, On, Off, Red-eye, Slow Sync, Rear Curtain no built-in flash
External flash
Auto exposure bracketing
WB bracketing
Max flash sync 1/125s -
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Supported video resolutions - 3840 x 2160 @ 30p, MOV, H.264, Linear PCM
Max video resolution None 3840x2160
Video file format - MPEG-4, H.264
Microphone input
Headphone input
Connectivity
Wireless None Built-In
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 3.1 Gen 1 (5 GBit/sec)
GPS None None
Physical
Environment seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 1480g (3.26 lbs) 800g (1.76 lbs)
Physical dimensions 156 x 117 x 119mm (6.1" x 4.6" x 4.7") 142 x 93 x 46mm (5.6" x 3.7" x 1.8")
DXO scores
DXO Overall rating 82 not tested
DXO Color Depth rating 24.6 not tested
DXO Dynamic range rating 12.6 not tested
DXO Low light rating 1262 not tested
Other
Battery life 800 shots -
Battery format Battery Pack -
Battery ID D-LI90 -
Self timer Yes (2 or 10 sec) Yes
Time lapse feature
Storage media SD/SDHC 512GB internal
Storage slots Dual Single
Price at release $4,000 -