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Pentax 645Z vs Zeiss ZX1

Portability
49
Imaging
79
Features
74
Overall
77
Pentax 645Z front
 
Zeiss ZX1 front
Portability
67
Imaging
77
Features
62
Overall
71

Pentax 645Z vs Zeiss ZX1 Key Specs

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
  • Introduced April 2014
  • Previous Model is Pentax 645D
Zeiss ZX1
(Full Review)
  • 37MP - Full frame Sensor
  • 4.34" Fully Articulated Screen
  • ISO 80 - 51200
  • 1/8000s Max Shutter
  • 3840 x 2160 video
  • 35mm (F2-22) lens
  • 800g - 142 x 93 x 46mm
  • Released September 2018
Photography Glossary

Pentax 645Z vs Zeiss ZX1 Overview

Its time to look closer at the Pentax 645Z versus Zeiss ZX1, one being a Pro DSLR and the latter is a Large Sensor Compact by competitors Pentax and Zeiss. There exists a sizeable gap between the sensor resolutions of the 645Z (51MP) and ZX1 (37MP) and the 645Z (Medium format) and ZX1 (Full frame) enjoy different sensor sizes.

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The 645Z was manufactured 5 years before the ZX1 and that is quite a large gap as far as technology is concerned. Each of these cameras offer different body type with the Pentax 645Z being a Large SLR camera and the Zeiss ZX1 being a Large Sensor Compact camera.

Before going in to a step-by-step comparison, below is a brief introduction of how the 645Z matches up against the ZX1 with regard to portability, imaging, features and an overall grade.

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Reasons to pick Pentax 645Z over the Zeiss ZX1

 645Z ZX1 

Reasons to pick Zeiss ZX1 over the Pentax 645Z

 ZX1 645Z 
ReleasedSeptember 2018April 2014More recent by 54 months
Screen typeFully ArticulatedTiltingFully Articulating screen
Screen sizing4.34"3.2"Bigger screen (+1.14")
Screen resolution2765k1037kSharper screen (+1728k dot)
Touch friendly screen Quickly navigate

Common features in the Pentax 645Z and Zeiss ZX1

 645Z ZX1 
Focus manually Very accurate focusing
Selfie screen Lacking selfie screen

Pentax 645Z vs Zeiss ZX1 Physical Comparison

For anyone who is intending to lug around your camera often, you will need to factor in its weight and dimensions. The Pentax 645Z provides physical measurements of 156mm x 117mm x 123mm (6.1" x 4.6" x 4.8") having a weight of 1550 grams (3.42 lbs) and the Zeiss ZX1 has dimensions of 142mm x 93mm x 46mm (5.6" x 3.7" x 1.8") accompanied by a weight of 800 grams (1.76 lbs).

Analyze the Pentax 645Z versus Zeiss ZX1 in the new Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Remember that, the weight of an Interchangeable Lens Camera will vary depending on the lens you choose at that moment. Underneath is the front view size comparison of the 645Z vs the ZX1.

Pentax 645Z vs Zeiss ZX1 size comparison

Factoring in dimensions and weight, the portability rating of the 645Z and ZX1 is 49 and 67 respectively.

Pentax 645Z vs Zeiss ZX1 top view buttons comparison

Pentax 645Z vs Zeiss ZX1 Sensor Comparison

Typically, it is tough to imagine the gap between sensor measurements only by checking specs. The visual underneath should give you a clearer sense of the sensor measurements in the 645Z and ZX1.

All in all, each of the cameras offer different megapixel count and different sensor measurements. The 645Z featuring a bigger sensor is going to make achieving shallower DOF simpler and the Pentax 645Z will resolve extra detail due to its extra 14MP. Higher resolution can also enable you to crop pictures a little more aggressively. The older 645Z is going to be behind in sensor technology.

Pentax 645Z vs Zeiss ZX1 sensor size comparison

Pentax 645Z vs Zeiss ZX1 Screen and ViewFinder

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

Portrait Comparison

Pentax 645Z Portrait photography details
Zeiss ZX1 Portrait photography details
87
you can focus manually
megapixel count excellent (51MP)
big sensor size (Medium format)
offers face detect focus
saves RAW formats
86
manual focus
excellent sensor resolution (37MP)
sensor size is big (Full frame)
offers face detection focusing
delivers RAW files
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Street Comparison

Pentax 645Z Street photography advice
Zeiss ZX1 Street photography advice
63
has a tilting screen
big sensor size (Medium format)
saves RAW formats
environment sealing
good high ISO (204,800)
no image stabilization
heavier than others (1,550g)
70
screen articulates
sensor size is big (Full frame)
delivers RAW files
includes focus via touch
above average ISO range (51,200)
does not have image stabilization
more heavy than competitors in class (800 grams)
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Sports Comparison

Pentax 645Z as a Sports photography camera
Zeiss ZX1 as a Sports photography camera
70
megapixel count excellent (51 megapixels)
big sensor size (Medium format)
offers tracking focus
environment sealing
supports phase detect auto focus
slow frames per second (3.0 fps)
no image stabilization
low battery (650 CIPA)
63
great max shutter speed (1/8,000s)
excellent sensor resolution (37 megapixels)
sensor size is big (Full frame)
offers tracking autofocus
focal length is fixed (35mm)
max fps very slow (3.0 fps)
does not have image stabilization
does not have phase detect AF
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Travel Comparison

Travel photography with Pentax 645Z
Travel photography with Zeiss ZX1
51
environment sealing
megapixel count excellent (51 megapixels)
low battery (650 per charge)
heavier than others (1,550 grams)
screen is not selfie friendly
65
has bluetooth
includes focus via touch
excellent sensor resolution (37MP)
fast maximum aperture (f2)
doesn't have Timelapse function
more heavy than competitors in class (800g)
does not have a selfie friendly screen
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Landscape Comparison

Pentax 645Z as a Landscape photography camera
Zeiss ZX1 as a Landscape photography camera
78
you can focus manually
change lenses (Pentax 645AF2 mount)
screen is a decent size (3.2 inches)
megapixel count excellent (51MP)
big sensor size (Medium format)
does not have low pass filter
good high ISO (204,800)
saves RAW formats
environment sealing
has dual storage slots
no image stabilization
low battery (650 CIPA)
69
manual focus
fast maximum aperture (f2)
lovely big screen (4.34")
excellent sensor resolution (37 megapixels)
sensor size is big (Full frame)
above average ISO range (51,200)
delivers RAW files
fixed lens (fixed lens mount)
focal length is fixed (35mm)
does not have image stabilization
doesn't have Timelapse function
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Vlogging Comparison

Pentax 645Z Vlogging features
Zeiss ZX1 Vlogging features
27
offers face detect focus
video resolution high (1920 x 1080 resolution)
comes with mic jack
screen is not selfie friendly
no image stabilization
heavier than others (1,550g)
31
fast maximum aperture (f2)
screen is touchscreen
offers face detection focusing
high res video (3840 x 2160 pxls)
does not have a selfie friendly screen
does not have image stabilization
doesn't have external microphone socket
more heavy than competitors in class (800g)
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Pentax 645Z vs Zeiss ZX1 Specifications

Detailed spec comparison table for Pentax 645Z and Zeiss ZX1
 Pentax 645ZZeiss ZX1
General Information
Make Pentax Zeiss
Model Pentax 645Z Zeiss ZX1
Type Pro DSLR Large Sensor Compact
Introduced 2014-04-15 2018-09-27
Physical type Large SLR Large Sensor Compact
Sensor Information
Powered by PRIME III -
Sensor type CMOS CMOS
Sensor size Medium format Full frame
Sensor measurements 44 x 33mm 36 x 24mm
Sensor surface area 1,452.0mm² 864.0mm²
Sensor resolution 51MP 37MP
Anti aliasing filter
Aspect ratio 4:3 3:2
Highest Possible resolution 8256 x 6192 7488 x 4992
Maximum native ISO 204800 51200
Min native ISO 100 80
RAW support
Autofocusing
Focus manually
Autofocus touch
Autofocus continuous
Autofocus single
Tracking autofocus
Selective autofocus
Center weighted autofocus
Multi area autofocus
Autofocus live view
Face detection autofocus
Contract detection autofocus
Phase detection autofocus
Number of focus points 27 255
Lens
Lens mount Pentax 645AF2 fixed lens
Lens focal range - 35mm (1x)
Maximum aperture - f/2-22
Number of lenses 6 -
Crop factor 0.8 1
Screen
Type of screen Tilting Fully Articulated
Screen sizing 3.2 inches 4.34 inches
Screen resolution 1,037k dots 2,765k dots
Selfie friendly
Liveview
Touch operation
Viewfinder Information
Viewfinder type Optical (pentaprism) Electronic
Viewfinder resolution - 6,221k dots
Viewfinder coverage 98 percent 100 percent
Viewfinder magnification 0.85x -
Features
Minimum shutter speed 30 seconds 30 seconds
Fastest shutter speed 1/4000 seconds 1/8000 seconds
Continuous shutter rate 3.0 frames per second 3.0 frames per second
Shutter priority
Aperture priority
Manual mode
Exposure compensation Yes Yes
Change white balance
Image stabilization
Built-in flash
Flash range no built-in flash no built-in flash
Flash options 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 no built-in flash
Hot shoe
AE bracketing
WB bracketing
Fastest flash synchronize 1/125 seconds -
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) 3840 x 2160 @ 30p, MOV, H.264, Linear PCM
Maximum video resolution 1920x1080 3840x2160
Video data format MPEG-4, H.264 MPEG-4, H.264
Microphone port
Headphone port
Connectivity
Wireless None Built-In
Bluetooth
NFC
HDMI
USB USB 3.0 (5 GBit/sec) USB 3.1 Gen 1 (5 GBit/sec)
GPS Optional None
Physical
Environment sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 1550 gr (3.42 lb) 800 gr (1.76 lb)
Dimensions 156 x 117 x 123mm (6.1" x 4.6" x 4.8") 142 x 93 x 46mm (5.6" x 3.7" x 1.8")
DXO scores
DXO Overall score 101 not tested
DXO Color Depth score 26.0 not tested
DXO Dynamic range score 14.7 not tested
DXO Low light score 4505 not tested
Other
Battery life 650 pictures -
Form of battery Battery Pack -
Battery model D-LI90 -
Self timer Yes (2 or 10 secs) Yes
Time lapse feature
Storage type Dual SD/SDHC/SDXC slots 512GB internal
Card slots Dual 1
Cost at release $5,024 -