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Pentax 645Z vs Sony QX100

Portability
49
Imaging
80
Features
74
Overall
77
Pentax 645Z front
 
Sony Cyber-shot DSC-QX100 front
Portability
92
Imaging
51
Features
44
Overall
48

Pentax 645Z vs Sony QX100 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
  • Succeeded the Pentax 645D
Sony QX100
(Full Review)
  • 20MP - 1" Sensor
  • " Fixed Screen
  • ISO 160 - 6400
  • Optical Image Stabilization
  • 1920 x 1080 video
  • 28-100mm (F1.8-4.9) lens
  • 179g - 63 x 63 x 56mm
  • Released September 2013
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Pentax 645Z vs Sony QX100 Overview

Lets look much closer at the Pentax 645Z versus Sony QX100, one being a Pro DSLR and the latter is a Lens-style by manufacturers Pentax and Sony. There is a sizeable difference between the sensor resolutions of the 645Z (51MP) and QX100 (20MP) and the 645Z (Medium format) and QX100 (1") possess different sensor size.

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The 645Z was launched 8 months later than the QX100 and they are both of a similar generation. Both the cameras come with different body type with the Pentax 645Z being a Large SLR camera and the Sony QX100 being a Lens-style camera.

Before diving through a full comparison, below is a quick view of how the 645Z grades versus the QX100 with respect to portability, imaging, features and an overall rating.

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Reasons to pick Pentax 645Z over the Sony QX100

 645Z QX100 
ReleasedApril 2014September 2013Fresher by 8 months
Screen typeTiltingFixed Tilting screen
Screen dimension3.2""Bigger screen (+3.2")
Screen resolution1037k0kSharper screen (+1037k dot)

Reasons to pick Sony QX100 over the Pentax 645Z

 QX100 645Z 
Touch friendly screen Quickly navigate

Common features in the Pentax 645Z and Sony QX100

 645Z QX100 
Manual focus More precise focusing
Selfie screen Neither contains selfie screen

Pentax 645Z vs Sony QX100 Physical Comparison

If you're planning to carry your camera regularly, you're going to have to factor its weight and volume. The Pentax 645Z has got outer dimensions of 156mm x 117mm x 123mm (6.1" x 4.6" x 4.8") with a weight of 1550 grams (3.42 lbs) whilst the Sony QX100 has sizing of 63mm x 63mm x 56mm (2.5" x 2.5" x 2.2") and a weight of 179 grams (0.39 lbs).

Examine the Pentax 645Z versus Sony QX100 in the all new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Bear in mind, the weight of an Interchangeable Lens Camera will differ dependant on the lens you select during that time. Following is the front view dimension comparison of the 645Z against the QX100.

Pentax 645Z vs Sony QX100 size comparison

Taking into account size and weight, the portability grade of the 645Z and QX100 is 49 and 92 respectively.

Pentax 645Z vs Sony QX100 top view buttons comparison

Pentax 645Z vs Sony QX100 Sensor Comparison

Usually, it is very hard to imagine the contrast between sensor sizing simply by checking specs. The visual underneath will offer you a more clear sense of the sensor sizes in the 645Z and QX100.

All in all, each of the cameras have got different megapixels and different sensor sizing. The 645Z because of its bigger sensor is going to make getting shallower DOF less difficult and the Pentax 645Z will give you greater detail utilizing its extra 31MP. Higher resolution can also make it easier to crop shots much more aggressively. The more recent 645Z provides an advantage with regard to sensor technology.

Pentax 645Z vs Sony QX100 sensor size comparison

Pentax 645Z vs Sony QX100 Screen and ViewFinder

Pentax 645Z vs Sony QX100 Screen and Viewfinder comparison
Photography Glossary

Photography Type Scores

Portrait Comparison

Pentax 645Z Portrait photography features
Sony QX100 Portrait photography features
88
focusing manually
megapixel count high (51 megapixels)
sensor size is large (Medium format)
includes face detection focus
delivers RAW files
53
focusing manually
decent sensor resolution (20MP)
good sensor size (1")
includes face detection focus
manual exposure not available
external flash not possible
has no RAW format
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Street Comparison

Pentax 645Z Street photography info
Sony QX100 Street photography info
63
tilting screen
sensor size is large (Medium format)
delivers RAW files
environment sealing
great ISO range (204,800)
does not have image stabilization
more heavy than average (1,550g)
71
has image stabilization (Optical)
good sensor size (1")
boasts touch focus
no articulating screen
has no RAW format
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Sports Comparison

Pentax 645Z as a Sports photography camera
Sony QX100 as a Sports photography camera
71
megapixel count high (51MP)
sensor size is large (Medium format)
includes tracking autofocus
environment sealing
comes with phase detect auto focus
continuous shooting slow (3.0 frames per second)
does not have image stabilization
terrible battery life (650 per charge)
55
has image stabilization (Optical)
decent sensor resolution (20MP)
good sensor size (1")
not so great battery (200 shots)
has no phase detect auto focus
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Travel Comparison

Pentax 645Z Travel photography information
Sony QX100 Travel photography information
51
environment sealing
megapixel count high (51 megapixels)
terrible battery life (650 shots)
more heavy than average (1,550g)
does not posses selfie friendly display
69
boasts touch focus
decent sensor resolution (20MP)
pretty wide (28mm)
fast max aperture (f1.8)
lack of Time Lapse function
not so great battery (200 CIPA)
doesn't offer selfie friendly screen
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Landscape Comparison

Pentax 645Z as a Landscape photography camera
Sony QX100 as a Landscape photography camera
78
focusing manually
interchangeable lenses (Pentax 645AF2 mount)
good sized screen (3.2 inch)
megapixel count high (51MP)
sensor size is large (Medium format)
doesnt have anti aliasing filter
great ISO range (204,800)
delivers RAW files
environment sealing
2 card slots
does not have image stabilization
terrible battery life (650 CIPA)
54
focusing manually
pretty wide (28mm)
fast max aperture (f1.8)
has image stabilization (Optical)
decent sensor resolution (20MP)
good sensor size (1")
fixed lens (fixed lens mount)
small screen ( inches)
manual exposure not available
has no RAW format
not so great battery (200 per charge)
lack of Time Lapse function
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Vlogging Comparison

Pentax 645Z Vlogging information
Sony QX100 Vlogging information
27
includes face detection focus
high video quality (1920 x 1080 resolution)
does have external microphone support
does not posses selfie friendly display
does not have image stabilization
more heavy than average (1,550g)
38
pretty wide (28mm)
fast max aperture (f1.8)
has touchscreen
has image stabilization (Optical)
includes face detection focus
high res video (1920 x 1080 pixels)
doesn't offer selfie friendly screen
lack of external mic socket
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Pentax 645Z vs Sony QX100 Specifications

Detailed spec comparison table for Pentax 645Z and Sony QX100
 Pentax 645ZSony Cyber-shot DSC-QX100
General Information
Brand Pentax Sony
Model type Pentax 645Z Sony Cyber-shot DSC-QX100
Class Pro DSLR Lens-style
Introduced 2014-04-15 2013-09-05
Physical type Large SLR Lens-style
Sensor Information
Chip PRIME III -
Sensor type CMOS BSI-CMOS
Sensor size Medium format 1"
Sensor dimensions 44 x 33mm 13.2 x 8.8mm
Sensor surface area 1,452.0mm² 116.2mm²
Sensor resolution 51 megapixel 20 megapixel
Anti alias filter
Aspect ratio 4:3 1:1, 4:3, 3:2 and 16:9
Full resolution 8256 x 6192 5472 x 3648
Max native ISO 204800 6400
Min native ISO 100 160
RAW format
Autofocusing
Focus manually
AF touch
Continuous AF
AF single
AF tracking
AF selectice
Center weighted AF
AF multi area
Live view AF
Face detection AF
Contract detection AF
Phase detection AF
Total focus points 27 -
Cross type focus points - -
Lens
Lens mount type Pentax 645AF2 fixed lens
Lens zoom range - 28-100mm (3.6x)
Maximum aperture - f/1.8-4.9
Macro focusing distance - 5cm
Amount of lenses 6 -
Focal length multiplier 0.8 2.7
Screen
Type of screen Tilting Fixed Type
Screen diagonal 3.2 inches -
Screen resolution 1,037k dots 0k dots
Selfie friendly
Liveview
Touch screen
Screen technology - Depends on connected smartphone
Viewfinder Information
Viewfinder Optical (pentaprism) None
Viewfinder coverage 98 percent -
Viewfinder magnification 0.85x -
Features
Slowest shutter speed 30 seconds 4 seconds
Maximum shutter speed 1/4000 seconds 1/2000 seconds
Continuous shooting rate 3.0 frames/s -
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes -
Set WB
Image stabilization
Inbuilt flash
Flash distance 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 None
Hot shoe
Auto exposure bracketing
White balance bracketing
Maximum flash synchronize 1/125 seconds -
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Video resolutions 1920 x 1080 (60i, 50i, 30p, 25p, 24p), 1280 x 720 (60p, 50p, 30p, 25p,24p) 1920 x 1080 (30 fps)
Max video resolution 1920x1080 1920x1080
Video format MPEG-4, H.264 MPEG-4
Mic 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
Environmental sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 1550 grams (3.42 lbs) 179 grams (0.39 lbs)
Dimensions 156 x 117 x 123mm (6.1" x 4.6" x 4.8") 63 x 63 x 56mm (2.5" x 2.5" x 2.2")
DXO scores
DXO All around rating 101 not tested
DXO Color Depth rating 26.0 not tested
DXO Dynamic range rating 14.7 not tested
DXO Low light rating 4505 not tested
Other
Battery life 650 photographs 200 photographs
Type of battery Battery Pack Battery Pack
Battery ID D-LI90 NP-BN,
Self timer Yes (2 or 10 secs) Yes (2, 10 secs)
Time lapse feature
Type of storage Dual SD/SDHC/SDXC slots microSD, microSDHC, microSDXC, Memory Stick Micro
Card slots 2 One
Launch cost $5,024 $268