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Panasonic GH2 vs Pentax 645D

Portability
70
Imaging
51
Features
65
Overall
56
Panasonic Lumix DMC-GH2 front
 
Pentax 645D front
Portability
50
Imaging
76
Features
52
Overall
66

Panasonic GH2 vs Pentax 645D Key Specs

Panasonic GH2
(Full Review)
  • 16MP - Four Thirds Sensor
  • 3" Fully Articulated Display
  • ISO 160 - 12800
  • 1920 x 1080 video
  • Micro Four Thirds Mount
  • 442g - 124 x 90 x 76mm
  • Introduced March 2011
  • Replaced the Panasonic GH1
  • Refreshed by Panasonic GH3
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
  • Introduced March 2010
  • Updated by Pentax 645Z
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Panasonic GH2 vs Pentax 645D Overview

Below, we are contrasting the Panasonic GH2 versus Pentax 645D, former being a Advanced Mirrorless while the other is a Pro DSLR by manufacturers Panasonic and Pentax. There is a noticeable difference among the sensor resolutions of the GH2 (16MP) and 645D (40MP) and the GH2 (Four Thirds) and 645D (Medium format) enjoy different sensor measurements.

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The GH2 was announced 13 months later than the 645D making the cameras a generation apart from each other. The two cameras come with different body type with the Panasonic GH2 being a SLR-style mirrorless camera and the Pentax 645D being a Large SLR camera.

Before delving straight into a in-depth comparison, below is a quick summation of how the GH2 scores versus the 645D in the way of portability, imaging, features and an overall grade.

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Reasons to pick Panasonic GH2 over the Pentax 645D

 GH2 645D 
IntroducedMarch 2011March 2010More recent by 13 months
Display typeFully ArticulatedFixed Fully Articulating display
Selfie screen Easy selfies
Touch display Easily navigate

Reasons to pick Pentax 645D over the Panasonic GH2

 645D GH2 
Display resolution921k460kClearer display (+461k dot)

Common features in the Panasonic GH2 and Pentax 645D

 GH2 645D 
Focus manually More accurate focus
Display dimension3"3"Identical display measurements

Panasonic GH2 vs Pentax 645D Physical Comparison

If you're looking to lug around your camera regularly, you will need to think about its weight and dimensions. The Panasonic GH2 enjoys outside measurements of 124mm x 90mm x 76mm (4.9" x 3.5" x 3.0") with a weight of 442 grams (0.97 lbs) while the Pentax 645D has dimensions of 156mm x 117mm x 119mm (6.1" x 4.6" x 4.7") and a weight of 1480 grams (3.26 lbs).

Look at the Panasonic GH2 versus Pentax 645D in our newest Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Remember that, the weight of an ILC will change based on the lens you are utilising at the time. The following is the front view dimensions comparison of the GH2 vs the 645D.

Panasonic GH2 vs Pentax 645D size comparison

Factoring in size and weight, the portability score of the GH2 and 645D is 70 and 50 respectively.

Panasonic GH2 vs Pentax 645D top view buttons comparison

Panasonic GH2 vs Pentax 645D Sensor Comparison

In many cases, its hard to visualize the contrast in sensor measurements just by researching specifications. The visual here will provide you a stronger sense of the sensor sizing in the GH2 and 645D.

Plainly, both of these cameras posses different megapixel count and different sensor measurements. The GH2 with its smaller sensor is going to make getting shallow DOF more difficult and the Pentax 645D will result in greater detail with its extra 24MP. Greater resolution will also allow you to crop pics somewhat more aggressively. The fresher GH2 provides a benefit with regard to sensor innovation.

Panasonic GH2 vs Pentax 645D sensor size comparison

Panasonic GH2 vs Pentax 645D Screen and ViewFinder

Panasonic GH2 vs Pentax 645D Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Panasonic GH2 as a Portrait photography camera
Pentax 645D as a Portrait photography camera
70
has manual focus
decent sensor resolution (16 megapixels)
sensor size is good (Four Thirds)
provides face detect focus
saves RAW files
77
focusing manually
great megapixels (40 megapixels)
great sensor size (Medium format)
exports RAW files
no liveview
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Street Comparison

Street photography with Panasonic GH2
Street photography with Pentax 645D
68
fully articulated screen
sensor size is good (Four Thirds)
saves RAW files
lack of image stabilization
58
great sensor size (Medium format)
exports RAW files
weather proofing
no moving screen
does not have image stabilization
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Sports Comparison

Panasonic GH2 Sports photography highlights
Pentax 645D Sports photography highlights
46
decent sensor resolution (16MP)
sensor size is good (Four Thirds)
provides tracking focus
painfully slow continuous shooting (3.0 frames/s)
lack of image stabilization
low battery (330 CIPA)
lack of phase detect auto focus
63
great megapixels (40MP)
great sensor size (Medium format)
weather proofing
sensor has phase detect auto focus
no liveview
continuous shooting slow (1.0 fps)
does not have image stabilization
not so great battery power (800 CIPA)
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Travel Comparison

Panasonic GH2 Travel photography advice
Pentax 645D Travel photography advice
62
decent sensor resolution (16MP)
has built in flash
display is selfie friendly
missing Timelapse recording
low battery (330 per charge)
55
weather proofing
great megapixels (40 megapixels)
not so great battery power (800 shots)
doesn't posses selfie friendly display
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Landscape Comparison

Panasonic GH2 Landscape photography factors
Pentax 645D Landscape photography factors
60
has manual focus
change lenses (Micro Four Thirds mount)
pretty good screen size (3 inches)
decent sensor resolution (16 megapixels)
sensor size is good (Four Thirds)
saves RAW files
lack of image stabilization
low battery (330 shots)
missing Timelapse recording
72
focusing manually
interchangeable lenses (Pentax 645AF2 mount)
pretty good screen size (3")
great megapixels (40MP)
great sensor size (Medium format)
no anti-alias filter
exports RAW files
weather proofing
two card slots
no liveview
does not have image stabilization
not so great battery power (800 CIPA)
Photography Glossary

Vlogging Comparison

Panasonic GH2 Vlogging features
Pentax 645D Vlogging features
71
display is selfie friendly
touchscreen
provides face detect focus
video res high (1920 x 1080 resolution)
has microphone port
lack of image stabilization
9
can't shoot video
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Panasonic GH2 vs Pentax 645D Specifications

Detailed spec comparison table for Panasonic GH2 and Pentax 645D
 Panasonic Lumix DMC-GH2Pentax 645D
General Information
Company Panasonic Pentax
Model Panasonic Lumix DMC-GH2 Pentax 645D
Type Advanced Mirrorless Pro DSLR
Introduced 2011-03-23 2010-03-10
Physical type SLR-style mirrorless Large SLR
Sensor Information
Processor Chip Venus Engine FHD Prime II
Sensor type CMOS CCD
Sensor size Four Thirds Medium format
Sensor measurements 17.3 x 13mm 44 x 33mm
Sensor surface area 224.9mm² 1,452.0mm²
Sensor resolution 16 megapixels 40 megapixels
Anti aliasing filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 4:3
Maximum resolution 4608 x 3456 7264 x 5440
Maximum native ISO 12800 1600
Min native ISO 160 200
RAW format
Min boosted ISO - 100
Autofocusing
Focus manually
Autofocus touch
Autofocus continuous
Single autofocus
Autofocus tracking
Selective autofocus
Autofocus center weighted
Multi area autofocus
Autofocus live view
Face detect autofocus
Contract detect autofocus
Phase detect autofocus
Number of focus points 23 11
Lens
Lens mount Micro Four Thirds Pentax 645AF2
Total lenses 107 6
Crop factor 2.1 0.8
Screen
Display type Fully Articulated Fixed Type
Display diagonal 3 inches 3 inches
Resolution of display 460k dots 921k dots
Selfie friendly
Liveview
Touch operation
Display tech TFT Color LCD with wide-viewing angle TFT Color LCD with wide-viewing angle and with AR coating
Viewfinder Information
Viewfinder type Electronic Optical (pentaprism)
Viewfinder coverage 100 percent 98 percent
Viewfinder magnification 0.71x 0.85x
Features
Lowest shutter speed 60 seconds 30 seconds
Highest shutter speed 1/4000 seconds 1/4000 seconds
Continuous shooting rate 3.0 frames/s 1.0 frames/s
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Change white balance
Image stabilization
Integrated flash
Flash range 15.60 m no built-in flash
Flash modes Auto, On, Off, Red-Eye, Slow Sync Auto, On, Off, Red-eye, Slow Sync, Rear Curtain
Hot shoe
AEB
WB bracketing
Highest flash synchronize 1/160 seconds 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 (24, 30, 60fps) 1280 x 720 (60, 30 fps), 848 x 480 (30 fps), 640 x 480 (30fps), 320 x 240 (30fps) -
Maximum video resolution 1920x1080 None
Video file format AVCHD, Motion JPEG -
Microphone port
Headphone port
Connectivity
Wireless None None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environment sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 442g (0.97 pounds) 1480g (3.26 pounds)
Dimensions 124 x 90 x 76mm (4.9" x 3.5" x 3.0") 156 x 117 x 119mm (6.1" x 4.6" x 4.7")
DXO scores
DXO All around score 60 82
DXO Color Depth score 21.2 24.6
DXO Dynamic range score 11.3 12.6
DXO Low light score 655 1262
Other
Battery life 330 pictures 800 pictures
Type of battery Battery Pack Battery Pack
Battery model - D-LI90
Self timer Yes (2 or 10 sec) Yes (2 or 10 sec)
Time lapse feature
Type of storage SD/SDHC/SDXC SD/SDHC
Card slots 1 2
Price at launch $1,000 $4,000