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Pentax 645D vs Sony QX10

Portability
50
Imaging
75
Features
52
Overall
65
Pentax 645D front
 
Sony Cyber-shot DSC-QX10 front
Portability
96
Imaging
42
Features
34
Overall
38

Pentax 645D vs Sony QX10 Key Specs

Pentax 645D
(Full Review)
  • 40MP - Medium format Sensor
  • 3" Fixed Display
  • ISO 200 - 1600
  • No Anti-Alias Filter
  • No Video
  • Pentax 645AF2 Mount
  • 1480g - 156 x 117 x 119mm
  • Announced March 2010
  • Updated by Pentax 645Z
Sony QX10
(Full Review)
  • 18MP - 1/2.3" Sensor
  • " Fixed Screen
  • ISO 100 - 3200
  • Optical Image Stabilization
  • 1440 x 1080 video
  • 25-250mm (F3.3-5.9) lens
  • 105g - 62 x 62 x 33mm
  • Released September 2013
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Pentax 645D vs Sony QX10 Overview

On this page, we will be analyzing the Pentax 645D vs Sony QX10, one is a Pro DSLR and the latter is a Lens-style by companies Pentax and Sony. There is a huge difference between the resolutions of the 645D (40MP) and QX10 (18MP) and the 645D (Medium format) and QX10 (1/2.3") provide different sensor sizes.

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The 645D was announced 4 years prior to the QX10 which is quite a significant gap as far as tech is concerned. The two cameras have different body design with the Pentax 645D being a Large SLR camera and the Sony QX10 being a Lens-style camera.

Before going into a full comparison, here is a simple synopsis of how the 645D grades versus the QX10 with regard to portability, imaging, features and an overall score.

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Reasons to pick Pentax 645D over the Sony QX10

 645D QX10 
Manual focus Dial precise focus
Screen dimensions3""Bigger screen (+3")
Screen resolution921k0kCrisper screen (+921k dot)

Reasons to pick Sony QX10 over the Pentax 645D

 QX10 645D 
ReleasedSeptember 2013March 2010More modern by 42 months
Touch friendly screen Quickly navigate

Common features in the Pentax 645D and Sony QX10

 645D QX10 
Screen typeFixed Fixed Fixed screen
Selfie screen Absent selfie screen

Pentax 645D vs Sony QX10 Physical Comparison

If you are intending to carry around your camera, you need to take into account its weight and measurements. The Pentax 645D offers outside measurements of 156mm x 117mm x 119mm (6.1" x 4.6" x 4.7") along with a weight of 1480 grams (3.26 lbs) while the Sony QX10 has proportions of 62mm x 62mm x 33mm (2.4" x 2.4" x 1.3") and a weight of 105 grams (0.23 lbs).

Look at the Pentax 645D vs Sony QX10 in the latest Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into account, the weight of an Interchangeable Lens Camera will differ depending on the lens you are employing at that moment. Following is a front view physical size comparison of the 645D against the QX10.

Pentax 645D vs Sony QX10 size comparison

Considering size and weight, the portability grade of the 645D and QX10 is 50 and 96 respectively.

Pentax 645D vs Sony QX10 top view buttons comparison

Pentax 645D vs Sony QX10 Sensor Comparison

Usually, it is very hard to visualize the contrast between sensor sizes merely by going over a spec sheet. The image underneath will offer you a stronger sense of the sensor sizing in the 645D and QX10.

As you can see, both of the cameras have different resolutions and different sensor sizes. The 645D using its bigger sensor is going to make achieving shallower DOF simpler and the Pentax 645D will offer more detail with its extra 22 Megapixels. Higher resolution can also help you crop pictures a bit more aggressively. The more aged 645D is going to be behind with regard to sensor technology.

Pentax 645D vs Sony QX10 sensor size comparison

Pentax 645D vs Sony QX10 Screen and ViewFinder

Pentax 645D vs Sony QX10 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Portrait photography with Pentax 645D
Portrait photography with Sony QX10
77
has manual focus
amazing megapixels (40 megapixels)
sensor size is great (Medium format)
saves RAW formats
no liveview
36
megapixel count good (18 megapixels)
provides face detect focusing
no manual focus
no manual mode
external flash not possible
very small sensor size (1/2.3")
no RAW format
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Street Comparison

Street photography with Pentax 645D
Street photography with Sony QX10
58
sensor size is great (Medium format)
saves RAW formats
weather sealing
fixed screen
does not have image stabilization
68
image stabilization (Optical)
offers touch focus
lighter than others in class (105g)
screen is fixed
very small sensor size (1/2.3")
no RAW format
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Sports Comparison

Pentax 645D as a Sports photography camera
Sony QX10 as a Sports photography camera
62
amazing megapixels (40 megapixels)
sensor size is great (Medium format)
weather sealing
sensor has phase detect auto focus
no liveview
continuous shooting slow (1.0 fps)
does not have image stabilization
low battery (800 CIPA)
37
image stabilization (Optical)
megapixel count good (18 megapixels)
lack of shutter priority mode
very small sensor size (1/2.3")
terrible battery (220 per charge)
no phase detect AF
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Travel Comparison

Pentax 645D as a Travel photography camera
Sony QX10 as a Travel photography camera
55
weather sealing
amazing megapixels (40 megapixels)
low battery (800 per charge)
display is not selfie friendly
69
lighter than others in class (105 grams)
offers touch focus
megapixel count good (18 megapixels)
quite wide (25mm)
long zoom (250mm)
missing Time Lapse mode
terrible battery (220 shots)
display isn't selfie friendly
somewhat slow max aperture (f3.3)
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Landscape Comparison

Pentax 645D as a Landscape photography camera
Sony QX10 as a Landscape photography camera
72
has manual focus
interchangeable lenses (Pentax 645AF2 mount)
screen size is good (3 inch)
amazing megapixels (40 megapixels)
sensor size is great (Medium format)
doesnt have anti aliasing filter
saves RAW formats
weather sealing
has dual storage slots
no liveview
does not have image stabilization
low battery (800 CIPA)
38
quite wide (25mm)
image stabilization (Optical)
megapixel count good (18MP)
no manual focus
fixed lens (fixed lens mount)
somewhat slow max aperture (f3.3)
tiny screen ( inches)
no manual mode
very small sensor size (1/2.3")
no RAW format
terrible battery (220 shots)
missing Time Lapse mode
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Vlogging Comparison

Pentax 645D Vlogging information
Sony QX10 Vlogging information
9
no video recording
34
quite wide (25mm)
built-in touchscreen
image stabilization (Optical)
provides face detect focusing
lighter than others in class (105g)
somewhat slow max aperture (f3.3)
display isn't selfie friendly
low quality video (1440 x 1080 pxls)
missing mic port
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Pentax 645D vs Sony QX10 Specifications

Detailed spec comparison table for Pentax 645D and Sony QX10
 Pentax 645DSony Cyber-shot DSC-QX10
General Information
Manufacturer Pentax Sony
Model Pentax 645D Sony Cyber-shot DSC-QX10
Class Pro DSLR Lens-style
Announced 2010-03-10 2013-09-04
Body design Large SLR Lens-style
Sensor Information
Processor Chip Prime II -
Sensor type CCD BSI-CMOS
Sensor size Medium format 1/2.3"
Sensor dimensions 44 x 33mm 6.17 x 4.55mm
Sensor surface area 1,452.0mm² 28.1mm²
Sensor resolution 40MP 18MP
Anti aliasing filter
Aspect ratio 4:3 4:3 and 16:9
Full resolution 7264 x 5440 4896 x 3672
Max native ISO 1600 3200
Lowest native ISO 200 100
RAW images
Lowest boosted ISO 100 -
Autofocusing
Focus manually
Autofocus touch
Continuous autofocus
Autofocus single
Tracking autofocus
Autofocus selectice
Autofocus center weighted
Autofocus multi area
Live view autofocus
Face detect autofocus
Contract detect autofocus
Phase detect autofocus
Number of focus points 11 -
Cross focus points - -
Lens
Lens mount Pentax 645AF2 fixed lens
Lens focal range - 25-250mm (10.0x)
Largest aperture - f/3.3-5.9
Macro focus range - 5cm
Total lenses 6 -
Focal length multiplier 0.8 5.8
Screen
Display type Fixed Type Fixed Type
Display size 3 inches -
Display resolution 921 thousand dot 0 thousand dot
Selfie friendly
Liveview
Touch capability
Display technology TFT Color LCD with wide-viewing angle and with AR coating Depends on connected smartphone
Viewfinder Information
Viewfinder type Optical (pentaprism) None
Viewfinder coverage 98% -
Viewfinder magnification 0.85x -
Features
Slowest shutter speed 30 seconds 4 seconds
Maximum shutter speed 1/4000 seconds 1/1600 seconds
Continuous shooting speed 1.0 frames/s -
Shutter priority
Aperture priority
Manual exposure
Exposure compensation Yes -
Set white balance
Image stabilization
Built-in flash
Flash range no built-in flash no built-in flash
Flash settings Auto, On, Off, Red-eye, Slow Sync, Rear Curtain None
Hot shoe
AE bracketing
WB bracketing
Maximum flash sync 1/125 seconds -
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Supported video resolutions - 1440 x 1080 (30 fps)
Max video resolution None 1440x1080
Video data format - MPEG-4
Mic jack
Headphone jack
Connectivity
Wireless None Built-In
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environmental seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 1480g (3.26 pounds) 105g (0.23 pounds)
Physical dimensions 156 x 117 x 119mm (6.1" x 4.6" x 4.7") 62 x 62 x 33mm (2.4" x 2.4" x 1.3")
DXO scores
DXO All around score 82 not tested
DXO Color Depth score 24.6 not tested
DXO Dynamic range score 12.6 not tested
DXO Low light score 1262 not tested
Other
Battery life 800 photographs 220 photographs
Form of battery Battery Pack Battery Pack
Battery model D-LI90 NP-BN,
Self timer Yes (2 or 10 sec) Yes (2, 10 secs)
Time lapse feature
Storage media SD/SDHC microSD, microSDHC, microSDXC, Memory Stick Micro
Storage slots Dual Single
Pricing at launch $4,000 $250