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Pentax 645D vs Sony NEX-C3

Portability
50
Imaging
75
Features
52
Overall
65
Pentax 645D front
 
Sony Alpha NEX-C3 front
Portability
91
Imaging
56
Features
57
Overall
56

Pentax 645D vs Sony NEX-C3 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
  • Successor is Pentax 645Z
Sony NEX-C3
(Full Review)
  • 16MP - APS-C Sensor
  • 3" Tilting Display
  • ISO 100 - 12800
  • 1280 x 720 video
  • Sony E Mount
  • 225g - 110 x 60 x 33mm
  • Released August 2011
  • Replaced the Sony NEX-3
  • Updated by Sony NEX-F3
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Pentax 645D vs Sony NEX-C3 Overview

Below, we are matching up the Pentax 645D and Sony NEX-C3, former is a Pro DSLR while the other is a Entry-Level Mirrorless by manufacturers Pentax and Sony. There exists a sizable gap among the sensor resolutions of the 645D (40MP) and NEX-C3 (16MP) and the 645D (Medium format) and NEX-C3 (APS-C) come with totally different sensor dimensions.

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The 645D was announced 17 months before the NEX-C3 making the cameras a generation away from one another. Both of the cameras come with different body type with the Pentax 645D being a Large SLR camera and the Sony NEX-C3 being a Rangefinder-style mirrorless camera.

Before going straight into a step-by-step comparison, below is a short view of how the 645D matches up vs the NEX-C3 with regard to portability, imaging, features and an overall mark.

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Reasons to pick Pentax 645D over the Sony NEX-C3

 645D NEX-C3 
Display resolution921k920kCrisper display (+1k dot)

Reasons to pick Sony NEX-C3 over the Pentax 645D

 NEX-C3 645D 
ReleasedAugust 2011March 2010Newer by 17 months
Display typeTiltingFixed Tilting display

Common features in the Pentax 645D and Sony NEX-C3

 645D NEX-C3 
Manually focus Very exact focus
Display dimension3"3"Identical display sizing
Selfie screen Lacking selfie screen
Touch friendly display Lacking Touch friendly display

Pentax 645D vs Sony NEX-C3 Physical Comparison

If you are aiming to travel with your camera frequently, you're going to have to factor its weight and dimensions. The Pentax 645D provides physical measurements of 156mm x 117mm x 119mm (6.1" x 4.6" x 4.7") accompanied by a weight of 1480 grams (3.26 lbs) and the Sony NEX-C3 has dimensions of 110mm x 60mm x 33mm (4.3" x 2.4" x 1.3") along with a weight of 225 grams (0.50 lbs).

Check out the Pentax 645D and Sony NEX-C3 in our newest Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Keep in mind, the weight of an ILC will change dependant on the lens you are utilizing at that moment. The following is the front view measurement comparison of the 645D compared to the NEX-C3.

Pentax 645D vs Sony NEX-C3 size comparison

Taking into account dimensions and weight, the portability rating of the 645D and NEX-C3 is 50 and 91 respectively.

Pentax 645D vs Sony NEX-C3 top view buttons comparison

Pentax 645D vs Sony NEX-C3 Sensor Comparison

Typically, it is very tough to envision the gap in sensor dimensions simply by researching specs. The image underneath will give you a far better sense of the sensor sizing in the 645D and NEX-C3.

All in all, each of these cameras have got different megapixel count and different sensor dimensions. The 645D with its larger sensor will make shooting bokeh easier and the Pentax 645D will render greater detail with its extra 24MP. Greater resolution can also help you crop images much more aggressively. The more aged 645D will be behind when it comes to sensor tech.

Pentax 645D vs Sony NEX-C3 sensor size comparison

Pentax 645D vs Sony NEX-C3 Screen and ViewFinder

Pentax 645D vs Sony NEX-C3 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Portrait photography with Pentax 645D
Portrait photography with Sony NEX-C3
77
has manual focus
amazing megapixels (40MP)
sensor size is big (Medium format)
delivers RAW files
does not have liveview
73
you can focus manually
megapixel count decent (16MP)
good sensor size (APS-C)
saves RAW formats
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Street Comparison

Street photography with Pentax 645D
Street photography with Sony NEX-C3
58
sensor size is big (Medium format)
delivers RAW files
weather proofing
no articulating screen
lack of image stabilization
79
tilting screen
good sensor size (APS-C)
saves RAW formats
lighter than competitors (225g)
no image stabilization
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Sports Comparison

Pentax 645D Sports photography info
Sony NEX-C3 Sports photography info
62
amazing megapixels (40 megapixels)
sensor size is big (Medium format)
weather proofing
sensor has phase detect autofocus
does not have liveview
very slow continuous shooting (1.0 fps)
lack of image stabilization
terrible battery life (800 CIPA)
53
megapixel count decent (16MP)
good sensor size (APS-C)
better than average battery (400 CIPA)
continuous shooting slow (6.0 fps)
no image stabilization
no phase detect autofocus
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Travel Comparison

Pentax 645D Travel photography highlights
Sony NEX-C3 Travel photography highlights
55
weather proofing
amazing megapixels (40 megapixels)
terrible battery life (800 per charge)
display isn't selfie friendly
71
better than average battery (400 shots)
lighter than competitors (225 grams)
megapixel count decent (16MP)
lack of Time Lapse recording
doesn't feature selfie friendly screen
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Landscape Comparison

Pentax 645D Landscape photography features
Sony NEX-C3 Landscape photography features
72
has manual focus
interchangeable lenses (Pentax 645AF2 mount)
screen size is good (3")
amazing megapixels (40MP)
sensor size is big (Medium format)
does not have anti aliasing filter
delivers RAW files
weather proofing
two card slots
does not have liveview
lack of image stabilization
terrible battery life (800 per charge)
70
you can focus manually
change lenses (Sony E mount)
screen size is good (3 inches)
megapixel count decent (16MP)
good sensor size (APS-C)
saves RAW formats
better than average battery (400 per charge)
no image stabilization
lack of Time Lapse recording
Photography Glossary

Vlogging Comparison

Pentax 645D Vlogging factors
Sony NEX-C3 Vlogging factors
9
can't record video
27
lighter than competitors (225 grams)
doesn't feature selfie friendly screen
no image stabilization
low video resolution (1280 x 720 pxls)
lack of mic jack
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Pentax 645D vs Sony NEX-C3 Specifications

Detailed spec comparison table for Pentax 645D and Sony NEX-C3
 Pentax 645DSony Alpha NEX-C3
General Information
Manufacturer Pentax Sony
Model type Pentax 645D Sony Alpha NEX-C3
Category Pro DSLR Entry-Level Mirrorless
Introduced 2010-03-10 2011-08-22
Body design Large SLR Rangefinder-style mirrorless
Sensor Information
Processor Chip Prime II Bionz
Sensor type CCD CMOS
Sensor size Medium format APS-C
Sensor dimensions 44 x 33mm 23.4 x 15.6mm
Sensor surface area 1,452.0mm² 365.0mm²
Sensor resolution 40MP 16MP
Anti alias filter
Aspect ratio 4:3 3:2 and 16:9
Highest resolution 7264 x 5440 4912 x 3264
Highest native ISO 1600 12800
Minimum native ISO 200 100
RAW data
Minimum boosted ISO 100 -
Autofocusing
Focus manually
Autofocus touch
Continuous autofocus
Single autofocus
Autofocus tracking
Selective autofocus
Center weighted autofocus
Autofocus multi area
Autofocus live view
Face detection autofocus
Contract detection autofocus
Phase detection autofocus
Total focus points 11 25
Lens
Lens mount type Pentax 645AF2 Sony E
Total lenses 6 121
Focal length multiplier 0.8 1.5
Screen
Screen type Fixed Type Tilting
Screen diagonal 3" 3"
Screen resolution 921k dot 920k dot
Selfie friendly
Liveview
Touch capability
Screen technology TFT Color LCD with wide-viewing angle and with AR coating TFT Xtra Fine LCD
Viewfinder Information
Viewfinder Optical (pentaprism) None
Viewfinder coverage 98 percent -
Viewfinder magnification 0.85x -
Features
Slowest shutter speed 30 seconds 30 seconds
Maximum shutter speed 1/4000 seconds 1/4000 seconds
Continuous shooting speed 1.0 frames/s 6.0 frames/s
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Set white balance
Image stabilization
Inbuilt flash
Flash distance no built-in flash no built-in flash
Flash modes Auto, On, Off, Red-eye, Slow Sync, Rear Curtain Auto, On, Off, Red-Eye, Slow Sync, Rear Curtain, Fill-in
External flash
AEB
WB bracketing
Maximum flash sync 1/125 seconds 1/160 seconds
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Video resolutions - 1280 x 720 (30 fps), 640 x 480 (30 fps)
Highest video resolution None 1280x720
Video file format - MPEG-4
Mic input
Headphone input
Connectivity
Wireless None Eye-Fi Connected
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environmental seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 1480 grams (3.26 pounds) 225 grams (0.50 pounds)
Dimensions 156 x 117 x 119mm (6.1" x 4.6" x 4.7") 110 x 60 x 33mm (4.3" x 2.4" x 1.3")
DXO scores
DXO All around rating 82 73
DXO Color Depth rating 24.6 22.7
DXO Dynamic range rating 12.6 12.2
DXO Low light rating 1262 1083
Other
Battery life 800 images 400 images
Battery format Battery Pack Battery Pack
Battery ID D-LI90 NPFW50
Self timer Yes (2 or 10 sec) Yes (2 or 10 sec, 10 sec 3 or 5 images)
Time lapse shooting
Type of storage SD/SDHC SD/ SDHC/SDXC, Memory Stick Pro Duo/ Pro-HG Duo
Storage slots Dual Single
Cost at launch $4,000 $343