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Pentax 645Z vs Sony QX1

Portability
49
Imaging
80
Features
74
Overall
77
Pentax 645Z front
 
Sony Alpha QX1 front
Portability
90
Imaging
63
Features
48
Overall
57

Pentax 645Z vs Sony QX1 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
  • Announced April 2014
  • Replaced the Pentax 645D
Sony QX1
(Full Review)
  • 20MP - APS-C Sensor
  • " Fixed Display
  • ISO 100 - 16000
  • 1920 x 1080 video
  • Sony E Mount
  • 216g - 74 x 70 x 53mm
  • Introduced September 2014
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Pentax 645Z vs Sony QX1 Overview

Lets look a little more in depth at the Pentax 645Z and Sony QX1, former being a Pro DSLR while the other is a Lens-style by rivals Pentax and Sony. There is a considerable difference among the sensor resolutions of the 645Z (51MP) and QX1 (20MP) and the 645Z (Medium format) and QX1 (APS-C) possess different sensor sizes.

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The 645Z was launched 4 months prior to the QX1 which means that they are both of a similar age. Each of these cameras come with different body type with the Pentax 645Z being a Large SLR camera and the Sony QX1 being a Lens-style camera.

Before going straight into a step-by-step comparison, below is a short summary of how the 645Z matches up vs the QX1 with regard to portability, imaging, features and an overall rating.

Photography Glossary
	
	

Reasons to pick Pentax 645Z over the Sony QX1

 645Z QX1 
Display typeTiltingFixed Tilting display
Display dimension3.2""Larger display (+3.2")
Display resolution1037k0kSharper display (+1037k dot)

Reasons to pick Sony QX1 over the Pentax 645Z

 QX1 645Z 
Touch friendly display Easily navigate

Common features in the Pentax 645Z and Sony QX1

 645Z QX1 
IntroducedApril 2014September 2014Same age
Manual focus More accurate focusing
Selfie screen Neither contains selfie screen

Pentax 645Z vs Sony QX1 Physical Comparison

If you're aiming to carry your camera, you are going to need to take into account its weight and proportions. The Pentax 645Z has got outer measurements of 156mm x 117mm x 123mm (6.1" x 4.6" x 4.8") accompanied by a weight of 1550 grams (3.42 lbs) whilst the Sony QX1 has measurements of 74mm x 70mm x 53mm (2.9" x 2.8" x 2.1") with a weight of 216 grams (0.48 lbs).

Check out the Pentax 645Z and Sony QX1 in our completely new Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into account, the weight of an ILC will differ dependant on the lens you are working with at the time. The following is the front view sizing comparison of the 645Z and the QX1.

Pentax 645Z vs Sony QX1 size comparison

Considering size and weight, the portability rating of the 645Z and QX1 is 49 and 90 respectively.

Pentax 645Z vs Sony QX1 top view buttons comparison

Pentax 645Z vs Sony QX1 Sensor Comparison

In many cases, its tough to imagine the difference in sensor sizing merely by viewing specs. The graphic below will offer you a clearer sense of the sensor measurements in the 645Z and QX1.

As you can plainly see, both the cameras have got different resolutions and different sensor sizing. The 645Z due to its larger sensor is going to make getting shallow depth of field easier and the Pentax 645Z will provide you with greater detail utilizing its extra 31MP. Greater resolution will also let you crop pics much more aggressively.

Pentax 645Z vs Sony QX1 sensor size comparison

Pentax 645Z vs Sony QX1 Screen and ViewFinder

Pentax 645Z vs Sony QX1 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax 645Z Portrait photography info
Sony QX1 Portrait photography info
88
has manual focus
MP count excellent (51MP)
large sensor size (Medium format)
comes with face detection focusing
delivers RAW files
66
has manual focus
decent megapixels (20 megapixels)
sensor size is good (APS-C)
offers face detect autofocus
exports RAW files
no manual exposure
cannot use external flash
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Street Comparison

Pentax 645Z as a Street photography camera
Sony QX1 as a Street photography camera
63
screen tilts up and down
large sensor size (Medium format)
delivers RAW files
environment proofing
great ISO range (204,800)
lack of image stabilization
heavier than average (1,550g)
69
sensor size is good (APS-C)
exports RAW files
provides touch focus
no articulating screen
lack of image stabilization
more heavy than competition (216g)
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Sports Comparison

Pentax 645Z as a Sports photography camera
Sony QX1 as a Sports photography camera
71
MP count excellent (51 megapixels)
large sensor size (Medium format)
comes with tracking autofocus
environment proofing
supports phase detect AF
continuous shooting slow (3.0 frames/s)
lack of image stabilization
low battery life (650 per charge)
56
decent megapixels (20MP)
sensor size is good (APS-C)
better than average battery power (440 per charge)
painfully slow continuous shooting (4.0 frames per second)
lack of image stabilization
doesn't have phase detect autofocus
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Travel Comparison

Travel photography with Pentax 645Z
Travel photography with Sony QX1
51
environment proofing
MP count excellent (51 megapixels)
low battery life (650 shots)
heavier than average (1,550g)
display isn't selfie friendly
71
better than average battery power (440 per charge)
provides touch focus
decent megapixels (20MP)
built-in flash
lack of Timelapse function
more heavy than competition (216g)
screen isn't selfie friendly
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Landscape Comparison

Pentax 645Z Landscape photography factors
Sony QX1 Landscape photography factors
78
has manual focus
switch lenses (Pentax 645AF2 mount)
pretty good screen size (3.2 inches)
MP count excellent (51MP)
large sensor size (Medium format)
does not have anti-alias filter
great ISO range (204,800)
delivers RAW files
environment proofing
2 card slots
lack of image stabilization
low battery life (650 per charge)
64
has manual focus
change lenses (Sony E mount)
decent megapixels (20MP)
sensor size is good (APS-C)
exports RAW files
better than average battery power (440 shots)
small screen ( inch)
no manual exposure
lack of image stabilization
lack of Timelapse function
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Vlogging Comparison

Vlogging with Pentax 645Z
Vlogging with Sony QX1
27
comes with face detection focusing
video res high (1920 x 1080 pixels)
comes with external mic support
display isn't selfie friendly
lack of image stabilization
heavier than average (1,550 grams)
32
built-in touchscreen
offers face detect autofocus
high res video (1920 x 1080 resolution)
screen isn't selfie friendly
lack of image stabilization
lack of microphone socket
more heavy than competition (216g)
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Pentax 645Z vs Sony QX1 Specifications

Detailed spec comparison table for Pentax 645Z and Sony QX1
 Pentax 645ZSony Alpha QX1
General Information
Brand Pentax Sony
Model Pentax 645Z Sony Alpha QX1
Type Pro DSLR Lens-style
Announced 2014-04-15 2014-09-03
Physical type Large SLR Lens-style
Sensor Information
Processor Chip PRIME III Bionz X
Sensor type CMOS CMOS
Sensor size Medium format APS-C
Sensor measurements 44 x 33mm 23.2 x 15.4mm
Sensor surface area 1,452.0mm² 357.3mm²
Sensor resolution 51 megapixel 20 megapixel
Anti aliasing filter
Aspect ratio 4:3 4:3 and 3:2
Maximum resolution 8256 x 6192 5456 x 3632
Maximum native ISO 204800 16000
Minimum native ISO 100 100
RAW images
Autofocusing
Focus manually
Touch focus
Continuous AF
Single AF
Tracking AF
AF selectice
AF center weighted
AF multi area
Live view AF
Face detection focusing
Contract detection focusing
Phase detection focusing
Number of focus points 27 25
Lens
Lens mount Pentax 645AF2 Sony E
Total lenses 6 -
Crop factor 0.8 1.6
Screen
Type of screen Tilting Fixed Type
Screen size 3.2" -
Screen resolution 1,037k dots 0k dots
Selfie friendly
Liveview
Touch friendly
Viewfinder Information
Viewfinder Optical (pentaprism) None
Viewfinder coverage 98 percent -
Viewfinder magnification 0.85x -
Features
Lowest shutter speed 30 secs 30 secs
Highest shutter speed 1/4000 secs 1/4000 secs
Continuous shooting rate 3.0 frames/s 4.0 frames/s
Shutter priority
Aperture priority
Manual mode
Exposure compensation Yes -
Change WB
Image stabilization
Integrated flash
Flash range no built-in flash 4.00 m (at ISO 100)
Flash modes 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 Off, auto, fill, slow sync, rear sync
Hot shoe
AEB
White balance bracketing
Highest flash synchronize 1/125 secs -
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Supported video resolutions 1920 x 1080 (60i, 50i, 30p, 25p, 24p), 1280 x 720 (60p, 50p, 30p, 25p,24p) 1920 x 1080 (30p)
Maximum video resolution 1920x1080 1920x1080
Video data format MPEG-4, H.264 MPEG-4
Microphone port
Headphone port
Connectivity
Wireless None Built-In
Bluetooth
NFC
HDMI
USB USB 3.0 (5 GBit/sec) USB 2.0 (480 Mbit/sec)
GPS Optional None
Physical
Environment sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 1550g (3.42 lb) 216g (0.48 lb)
Dimensions 156 x 117 x 123mm (6.1" x 4.6" x 4.8") 74 x 70 x 53mm (2.9" x 2.8" x 2.1")
DXO scores
DXO All around 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 photographs 440 photographs
Form of battery Battery Pack Battery Pack
Battery model D-LI90 NP-FW50
Self timer Yes (2 or 10 secs) Yes (2, 10 secs)
Time lapse shooting
Storage type Dual SD/SDHC/SDXC slots microSD, microSDHC, microSDXC, Memory Stick Micro
Card slots Two 1
Pricing at launch $5,024 $500