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Panasonic G7 vs Pentax K20D

Portability
71
Imaging
54
Features
80
Overall
64
Panasonic Lumix DMC-G7 front
 
Pentax K20D front
Portability
59
Imaging
54
Features
52
Overall
53

Panasonic G7 vs Pentax K20D Key Specs

Panasonic G7
(Full Review)
  • 16MP - Four Thirds Sensor
  • 3" Fully Articulated Display
  • ISO 100 - 25600
  • 3840 x 2160 video
  • Micro Four Thirds Mount
  • 410g - 125 x 86 x 77mm
  • Announced May 2015
  • Succeeded the Panasonic G6
Pentax K20D
(Full Review)
  • 15MP - APS-C Sensor
  • 2.7" Fixed Screen
  • ISO 100 - 3200 (Raise to 6400)
  • Sensor based Image Stabilization
  • No Video
  • Pentax KAF2 Mount
  • 800g - 142 x 101 x 70mm
  • Launched June 2008
  • Replaced the Pentax K10D
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Panasonic G7 vs Pentax K20D Overview

On this page, we will be evaluating the Panasonic G7 versus Pentax K20D, one is a Advanced Mirrorless and the latter is a Advanced DSLR by rivals Panasonic and Pentax. The sensor resolution of the G7 (16MP) and the K20D (15MP) is relatively well matched but the G7 (Four Thirds) and K20D (APS-C) offer totally different sensor sizing.

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The G7 was brought out 6 years after the K20D which is quite a big gap as far as tech is concerned. The two cameras have different body design with the Panasonic G7 being a SLR-style mirrorless camera and the Pentax K20D being a Mid-size SLR camera.

Before going straight to a more detailed comparison, here is a concise summation of how the G7 grades versus the K20D in the way of portability, imaging, features and an overall score.

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Reasons to pick Panasonic G7 over the Pentax K20D

 G7 K20D 
LaunchedMay 2015June 2008More modern by 84 months
Screen typeFully ArticulatedFixed Fully Articulating screen
Screen dimensions3"2.7"Bigger screen (+0.3")
Screen resolution1040k230kSharper screen (+810k dot)
Selfie screen Take selfies
Touch screen Quickly navigate

Reasons to pick Pentax K20D over the Panasonic G7

 K20D G7 

Common features in the Panasonic G7 and Pentax K20D

 G7 K20D 
Focus manually Dial accurate focusing

Panasonic G7 vs Pentax K20D Physical Comparison

For those who are going to carry around your camera frequently, you are going to need to consider its weight and size. The Panasonic G7 features physical measurements of 125mm x 86mm x 77mm (4.9" x 3.4" x 3.0") and a weight of 410 grams (0.90 lbs) while the Pentax K20D has specifications of 142mm x 101mm x 70mm (5.6" x 4.0" x 2.8") accompanied by a weight of 800 grams (1.76 lbs).

Compare the Panasonic G7 versus Pentax K20D in the all new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into consideration, the weight of an Interchangeable Lens Camera will change depending on the lens you are utilizing at that moment. Here is a front view physical size comparison of the G7 against the K20D.

Panasonic G7 vs Pentax K20D size comparison

Taking into account size and weight, the portability grade of the G7 and K20D is 71 and 59 respectively.

Panasonic G7 vs Pentax K20D top view buttons comparison

Panasonic G7 vs Pentax K20D Sensor Comparison

Oftentimes, its difficult to see the gap between sensor sizes only by looking at technical specs. The image here will offer you a better sense of the sensor sizing in the G7 and K20D.

As you can tell, each of the cameras provide different megapixel count and different sensor sizes. The G7 due to its tinier sensor will make achieving shallow DOF harder and the Panasonic G7 will give extra detail having its extra 1 Megapixels. Higher resolution will also help you crop pictures more aggressively. The younger G7 will have an advantage with regard to sensor innovation.

Panasonic G7 vs Pentax K20D sensor size comparison

Panasonic G7 vs Pentax K20D Screen and ViewFinder

Panasonic G7 vs Pentax K20D Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Panasonic G7 Portrait photography factors
Pentax K20D Portrait photography factors
72
you can focus manually
MP count good (16MP)
nice sensor size (Four Thirds)
provides face detection focusing
delivers RAW files
72
has manual focus
megapixel count good (15 megapixels)
decent sensor size (APS-C)
delivers RAW formats
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Street Comparison

Street photography with Panasonic G7
Street photography with Pentax K20D
72
screen can move to multiple angles
nice sensor size (Four Thirds)
delivers RAW files
comes with touch focus
above average ISO range (25,600)
lack of image stabilization
65
has image stabilization (Sensor based)
decent sensor size (APS-C)
delivers RAW formats
weather proof
no articulating screen
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Sports Comparison

Panasonic G7 as a Sports photography camera
Pentax K20D as a Sports photography camera
55
quiet mode (1/16,000 seconds)
MP count good (16 megapixels)
nice sensor size (Four Thirds)
provides tracking autofocus
lack of image stabilization
not so great battery life (350 per charge)
no phase detect AF
68
has image stabilization (Sensor based)
megapixel count good (15MP)
decent sensor size (APS-C)
weather proof
supports phase detect autofocus
very slow continuous shooting (3.0 fps)
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Travel Comparison

Panasonic G7 Travel photography highlights
Pentax K20D Travel photography highlights
71
comes with touch focus
MP count good (16MP)
has built in flash
selfie friendly display
not so great battery life (350 shots)
64
weather proof
megapixel count good (15MP)
has built in flash
does not posses selfie friendly display
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Landscape Comparison

Panasonic G7 as a Landscape photography camera
Pentax K20D as a Landscape photography camera
67
you can focus manually
interchangeable lenses (Micro Four Thirds mount)
pretty good screen size (3 inch)
MP count good (16MP)
nice sensor size (Four Thirds)
above average ISO range (25,600)
delivers RAW files
lack of image stabilization
not so great battery life (350 CIPA)
71
has manual focus
interchangeable lenses (Pentax KAF2 mount)
has image stabilization (Sensor based)
megapixel count good (15MP)
decent sensor size (APS-C)
delivers RAW formats
weather proof
tiny screen (2.7 inch)
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Vlogging Comparison

Panasonic G7 Vlogging details
Pentax K20D Vlogging details
72
selfie friendly display
touchscreen enabled
provides face detection focusing
high quality video (3840 x 2160 resolution)
does have external microphone socket
lack of image stabilization
9
no video shooting
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Panasonic G7 vs Pentax K20D Specifications

Detailed spec comparison table for Panasonic G7 and Pentax K20D
 Panasonic Lumix DMC-G7Pentax K20D
General Information
Brand Panasonic Pentax
Model type Panasonic Lumix DMC-G7 Pentax K20D
Type Advanced Mirrorless Advanced DSLR
Announced 2015-05-19 2008-06-25
Physical type SLR-style mirrorless Mid-size SLR
Sensor Information
Sensor type CMOS CMOS
Sensor size Four Thirds APS-C
Sensor measurements 17.3 x 13mm 23.4 x 15.6mm
Sensor surface area 224.9mm² 365.0mm²
Sensor resolution 16MP 15MP
Anti alias filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 3:2
Highest Possible resolution 4592 x 3448 4672 x 3104
Maximum native ISO 25600 3200
Maximum enhanced ISO - 6400
Min native ISO 100 100
RAW format
Autofocusing
Focus manually
Touch focus
Continuous AF
AF single
Tracking AF
AF selectice
Center weighted AF
AF multi area
Live view AF
Face detect focusing
Contract detect focusing
Phase detect focusing
Total focus points 49 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 sizing 3" 2.7"
Display resolution 1,040 thousand dots 230 thousand dots
Selfie friendly
Liveview
Touch screen
Viewfinder Information
Viewfinder Electronic Optical (pentaprism)
Viewfinder resolution 2,360 thousand dots -
Viewfinder coverage 100% 95%
Viewfinder magnification 0.7x 0.64x
Features
Minimum shutter speed 60 secs 30 secs
Fastest shutter speed 1/4000 secs 1/4000 secs
Fastest quiet shutter speed 1/16000 secs -
Continuous shutter rate 7.0 frames per sec 3.0 frames per sec
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Change WB
Image stabilization
Built-in flash
Flash distance 9.30 m 13.00 m (at ISO 100)
Flash settings Auto, On, Off, Red-Eye, Slow Sync Auto, Red-Eye, Slow, Red-Eye Slow, Rear curtain, wireless
External flash
AE bracketing
White balance bracketing
Fastest flash synchronize - 1/180 secs
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Video resolutions 3840 x 2160 (30, 25, 24, 20fps) 1920 x 1080 (60, 50, 30, 25fps) 1280 x 720 (60, 50, 30, 25fps), 640 x 480 (30, 25fps -
Maximum video resolution 3840x2160 None
Video data format MPEG-4, AVCHD -
Microphone support
Headphone support
Connectivity
Wireless Built-In None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environment sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 410 grams (0.90 lbs) 800 grams (1.76 lbs)
Physical dimensions 125 x 86 x 77mm (4.9" x 3.4" x 3.0") 142 x 101 x 70mm (5.6" x 4.0" x 2.8")
DXO scores
DXO Overall rating not tested 65
DXO Color Depth rating not tested 22.9
DXO Dynamic range rating not tested 11.1
DXO Low light rating not tested 639
Other
Battery life 350 shots -
Battery style Battery Pack -
Battery ID - D-LI50
Self timer Yes (2 or 10 sec, 10 sec (3 images)) Yes (2 or 10 sec)
Time lapse recording
Type of storage SD/SDHC/SDXC SD/MMC/SDHC card
Card slots 1 1
Price at release $800 $700