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Panasonic GH2 vs Pentax K-x

Portability
70
Imaging
51
Features
65
Overall
56
Panasonic Lumix DMC-GH2 front
 
Pentax K-x front
Portability
69
Imaging
52
Features
47
Overall
50

Panasonic GH2 vs Pentax K-x 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
  • Launched March 2011
  • Superseded the Panasonic GH1
  • Replacement is Panasonic GH3
Pentax K-x
(Full Review)
  • 12MP - APS-C Sensor
  • 2.7" Fixed Screen
  • ISO 100 - 6400 (Push to 12800)
  • Sensor based Image Stabilization
  • 1/6000s Maximum Shutter
  • 1280 x 720 video
  • Pentax KAF2 Mount
  • 580g - 123 x 92 x 68mm
  • Revealed December 2009
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Panasonic GH2 vs Pentax K-x Overview

In this article, we will be matching up the Panasonic GH2 versus Pentax K-x, former is a Advanced Mirrorless while the latter is a Entry-Level DSLR by rivals Panasonic and Pentax. There exists a noticeable gap among the sensor resolutions of the GH2 (16MP) and K-x (12MP) and the GH2 (Four Thirds) and K-x (APS-C) come with totally different sensor sizing.

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The GH2 was brought out 16 months after the K-x which makes the cameras a generation away from one another. Both of these cameras offer different body type with the Panasonic GH2 being a SLR-style mirrorless camera and the Pentax K-x being a Compact SLR camera.

Before delving straight into a complete comparison, below is a simple summation of how the GH2 scores vs the K-x with regards to portability, imaging, features and an overall score.

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Reasons to pick Panasonic GH2 over the Pentax K-x

 GH2 K-x 
RevealedMarch 2011December 2009More modern by 16 months
Screen typeFully ArticulatedFixed Fully Articulating screen
Screen sizing3"2.7"Bigger screen (+0.3")
Screen resolution460k230kClearer screen (+230k dot)
Selfie screen Easy selfies
Touch screen Quickly navigate

Reasons to pick Pentax K-x over the Panasonic GH2

 K-x GH2 

Common features in the Panasonic GH2 and Pentax K-x

 GH2 K-x 
Focus manually More precise focusing

Panasonic GH2 vs Pentax K-x Physical Comparison

When you are going to carry around your camera often, you will need to factor in its weight and volume. The Panasonic GH2 provides outside measurements of 124mm x 90mm x 76mm (4.9" x 3.5" x 3.0") and a weight of 442 grams (0.97 lbs) whilst the Pentax K-x has sizing of 123mm x 92mm x 68mm (4.8" x 3.6" x 2.7") accompanied by a weight of 580 grams (1.28 lbs).

Examine the Panasonic GH2 versus Pentax K-x in our brand new Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into account, the weight of an ILC will change depending on the lens you are using at that time. The following is the front view proportions comparison of the GH2 vs the K-x.

Panasonic GH2 vs Pentax K-x size comparison

Factoring in dimensions and weight, the portability score of the GH2 and K-x is 70 and 69 respectively.

Panasonic GH2 vs Pentax K-x top view buttons comparison

Panasonic GH2 vs Pentax K-x Sensor Comparison

Normally, it's difficult to see the contrast in sensor sizes only by seeing technical specs. The image here might provide you a more clear sense of the sensor measurements in the GH2 and K-x.

As you can tell, the two cameras enjoy different megapixels and different sensor sizes. The GH2 featuring a smaller sensor will make shooting bokeh more challenging and the Panasonic GH2 will show more detail having its extra 4 Megapixels. Higher resolution will also make it easier to crop pictures far more aggressively. The younger GH2 is going to have an advantage with regard to sensor technology.

Panasonic GH2 vs Pentax K-x sensor size comparison

Panasonic GH2 vs Pentax K-x Screen and ViewFinder

Panasonic GH2 vs Pentax K-x Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Panasonic GH2 Portrait photography factors
Pentax K-x Portrait photography factors
70
you can focus manually
sensor resolution is decent (16 megapixels)
good sensor size (Four Thirds)
offers face detect autofocus
delivers RAW formats
63
has manual focus
sensor size is decent (APS-C)
supports face detection focusing
delivers RAW formats
low resolution (12MP)
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Street Comparison

Panasonic GH2 as a Street photography camera
Pentax K-x as a Street photography camera
68
screen can move to multiple angles
good sensor size (Four Thirds)
delivers RAW formats
no image stabilization
67
image stabilization (Sensor based)
sensor size is decent (APS-C)
delivers RAW formats
no moving screen
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Sports Comparison

Sports photography with Panasonic GH2
Sports photography with Pentax K-x
46
sensor resolution is decent (16MP)
good sensor size (Four Thirds)
offers tracking focus
slow frames per second (3.0 frames per second)
no image stabilization
not so great battery life (330 CIPA)
lack of phase detect autofocus
61
max shutter speed is good (1/6,000 seconds)
image stabilization (Sensor based)
sensor size is decent (APS-C)
good battery life (1,900 CIPA)
supports phase detect AF
slow frames per second (5.0 fps)
low resolution (12MP)
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Travel Comparison

Panasonic GH2 Travel photography info
Pentax K-x Travel photography info
62
sensor resolution is decent (16MP)
has built in flash
screen is selfie friendly
no Timelapse mode
not so great battery life (330 CIPA)
54
good battery life (1,900 per charge)
flash built-in
doesn't have Timelapse recording
low resolution (12MP)
does not contain selfie friendly display
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Landscape Comparison

Panasonic GH2 Landscape photography information
Pentax K-x Landscape photography information
60
you can focus manually
swap lenses (Micro Four Thirds mount)
pretty good screen size (3")
sensor resolution is decent (16 megapixels)
good sensor size (Four Thirds)
delivers RAW formats
no image stabilization
not so great battery life (330 CIPA)
no Timelapse mode
61
has manual focus
switch lenses (Pentax KAF2 mount)
image stabilization (Sensor based)
sensor size is decent (APS-C)
delivers RAW formats
good battery life (1,900 shots)
small screen (2.7 inches)
low resolution (12 megapixels)
doesn't have Timelapse recording
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Vlogging Comparison

Vlogging with Panasonic GH2
Vlogging with Pentax K-x
71
screen is selfie friendly
touch screen
offers face detect autofocus
high quality video (1920 x 1080 pxls)
includes microphone jack
no image stabilization
27
image stabilization (Sensor based)
supports face detection focusing
does not contain selfie friendly display
low video resolution (1280 x 720 pxls)
doesn't have external microphone jack
Photography Glossary

Panasonic GH2 vs Pentax K-x Specifications

Detailed spec comparison table for Panasonic GH2 and Pentax K-x
 Panasonic Lumix DMC-GH2Pentax K-x
General Information
Company Panasonic Pentax
Model type Panasonic Lumix DMC-GH2 Pentax K-x
Category Advanced Mirrorless Entry-Level DSLR
Launched 2011-03-23 2009-12-23
Body design SLR-style mirrorless Compact SLR
Sensor Information
Powered by Venus Engine FHD Prime
Sensor type CMOS CMOS
Sensor size Four Thirds APS-C
Sensor measurements 17.3 x 13mm 23.6 x 15.8mm
Sensor surface area 224.9mm² 372.9mm²
Sensor resolution 16 megapixel 12 megapixel
Anti alias filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 3:2
Peak resolution 4608 x 3456 4288 x 2848
Highest native ISO 12800 6400
Highest enhanced ISO - 12800
Minimum native ISO 160 100
RAW files
Autofocusing
Manual focusing
Touch focus
Continuous autofocus
Autofocus single
Autofocus tracking
Selective autofocus
Center weighted autofocus
Autofocus multi area
Autofocus live view
Face detect focus
Contract detect focus
Phase detect focus
Total focus points 23 11
Lens
Lens support Micro Four Thirds Pentax KAF2
Number of lenses 107 151
Crop factor 2.1 1.5
Screen
Display type Fully Articulated Fixed Type
Display diagonal 3 inches 2.7 inches
Resolution of display 460 thousand dot 230 thousand dot
Selfie friendly
Liveview
Touch operation
Display tech TFT Color LCD with wide-viewing angle TFT LCD monitor
Viewfinder Information
Viewfinder Electronic Optical (pentamirror)
Viewfinder coverage 100% 96%
Viewfinder magnification 0.71x 0.57x
Features
Minimum shutter speed 60 seconds 30 seconds
Fastest shutter speed 1/4000 seconds 1/6000 seconds
Continuous shutter speed 3.0fps 5.0fps
Shutter priority
Aperture priority
Manual exposure
Exposure compensation Yes Yes
Change white balance
Image stabilization
Built-in flash
Flash distance 15.60 m 16.00 m
Flash settings Auto, On, Off, Red-Eye, Slow Sync Auto, On, Off, Red-Eye, Slow Sync, Rear curtain, Wireless
External flash
AE bracketing
WB bracketing
Fastest flash sync 1/160 seconds 1/180 seconds
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Supported 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) 1280 x 720 (24 fps), 640 x 416 (24 fps)
Highest video resolution 1920x1080 1280x720
Video format AVCHD, Motion JPEG Motion JPEG
Microphone input
Headphone input
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 seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 442 gr (0.97 lb) 580 gr (1.28 lb)
Dimensions 124 x 90 x 76mm (4.9" x 3.5" x 3.0") 123 x 92 x 68mm (4.8" x 3.6" x 2.7")
DXO scores
DXO Overall rating 60 72
DXO Color Depth rating 21.2 22.8
DXO Dynamic range rating 11.3 12.5
DXO Low light rating 655 811
Other
Battery life 330 pictures 1900 pictures
Form of battery Battery Pack Battery Pack
Battery ID - 4 x AA
Self timer Yes (2 or 10 sec) Yes (2 or 12 sec)
Time lapse shooting
Storage media SD/SDHC/SDXC SD/SDHC card
Storage slots One One
Retail pricing $1,000 $600