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Panasonic ZS8 vs Pentax K20D

Portability
92
Imaging
37
Features
39
Overall
37
Panasonic Lumix DMC-ZS8 front
 
Pentax K20D front
Portability
59
Imaging
53
Features
52
Overall
52

Panasonic ZS8 vs Pentax K20D Key Specs

Panasonic ZS8
(Full Review)
  • 14MP - 1/2.3" Sensor
  • 3" Fixed Display
  • ISO 100 - 6400
  • Optical Image Stabilization
  • 1280 x 720 video
  • 24-384mm (F3.3-5.9) lens
  • 210g - 105 x 58 x 33mm
  • Introduced July 2011
  • Alternative Name is Lumix DMC-TZ18
  • Earlier Model is Panasonic ZS7
Pentax K20D
(Full Review)
  • 15MP - APS-C Sensor
  • 2.7" Fixed Display
  • ISO 100 - 3200 (Expand to 6400)
  • Sensor based Image Stabilization
  • No Video
  • Pentax KAF2 Mount
  • 800g - 142 x 101 x 70mm
  • Launched June 2008
  • Superseded the Pentax K10D
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Panasonic ZS8 vs Pentax K20D Overview

Below, we are looking at the Panasonic ZS8 versus Pentax K20D, former being a Small Sensor Superzoom while the other is a Advanced DSLR by companies Panasonic and Pentax. The resolution of the ZS8 (14MP) and the K20D (15MP) is very similar but the ZS8 (1/2.3") and K20D (APS-C) use different sensor sizing.

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The ZS8 was launched 3 years later than the K20D and that is quite a significant difference as far as technology is concerned. Each of these cameras come with different body type with the Panasonic ZS8 being a Compact camera and the Pentax K20D being a Mid-size SLR camera.

Before going in to a complete comparison, below is a simple view of how the ZS8 matches up vs the K20D with respect to portability, imaging, features and an overall grade.

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Reasons to pick Panasonic ZS8 over the Pentax K20D

 ZS8 K20D 
LaunchedJuly 2011June 2008More recent by 38 months
Display dimension3"2.7"Larger display (+0.3")

Reasons to pick Pentax K20D over the Panasonic ZS8

 K20D ZS8 
Focus manually More precise focusing

Common features in the Panasonic ZS8 and Pentax K20D

 ZS8 K20D 
Display typeFixed Fixed Fixed display
Display resolution230k230kIdentical display resolution
Selfie screen Lack of selfie screen
Touch friendly display Lack of Touch friendly display

Panasonic ZS8 vs Pentax K20D Physical Comparison

For those who are looking to lug around your camera often, you have to factor in its weight and proportions. The Panasonic ZS8 has physical measurements of 105mm x 58mm x 33mm (4.1" x 2.3" x 1.3") accompanied by a weight of 210 grams (0.46 lbs) whilst the Pentax K20D has measurements of 142mm x 101mm x 70mm (5.6" x 4.0" x 2.8") with a weight of 800 grams (1.76 lbs).

Check out the Panasonic ZS8 versus Pentax K20D in our newest Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Remember that, the weight of an ILC will differ based on the lens you choose at that time. Underneath is the front view dimension comparison of the ZS8 against the K20D.

Panasonic ZS8 vs Pentax K20D size comparison

Using dimensions and weight, the portability rating of the ZS8 and K20D is 92 and 59 respectively.

Panasonic ZS8 vs Pentax K20D top view buttons comparison

Panasonic ZS8 vs Pentax K20D Sensor Comparison

More often than not, it can be hard to visualize the gap between sensor measurements just by going over a spec sheet. The graphic underneath will help offer you a greater sense of the sensor sizing in the ZS8 and K20D.

Clearly, both of these cameras have got different resolutions and different sensor measurements. The ZS8 because of its tinier sensor is going to make shooting shallow depth of field more challenging and the Pentax K20D will offer extra detail utilizing its extra 1 Megapixels. Greater resolution can also make it easier to crop photos much more aggressively. The newer ZS8 provides an advantage when it comes to sensor technology.

Panasonic ZS8 vs Pentax K20D sensor size comparison

Panasonic ZS8 vs Pentax K20D Screen and ViewFinder

Panasonic ZS8 vs Pentax K20D Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Panasonic ZS8 Portrait photography highlights
Pentax K20D Portrait photography highlights
30
megapixel count decent (14MP)
manual focus not available
external flash not possible
sensor size is tiny (1/2.3")
doesn't have RAW files
71
has manual focus
megapixel count good (15MP)
sensor size is good (APS-C)
saves RAW formats
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Street Comparison

Panasonic ZS8 Street photography highlights
Pentax K20D Street photography highlights
61
image stabilization (Optical)
lighter than competition (210 grams)
fixed screen
sensor size is tiny (1/2.3")
doesn't have RAW files
65
built in image stabilization (Sensor based)
sensor size is good (APS-C)
saves RAW formats
weather sealing
no moving screen
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Sports Comparison

Panasonic ZS8 Sports photography details
Pentax K20D Sports photography details
47
excellent zoom range (24-384mm 16.0 x zoom)
image stabilization (Optical)
megapixel count decent (14 megapixels)
includes tracking autofocus
max fps very slow (2.0 frames per second)
sensor size is tiny (1/2.3")
doesn't have phase detect autofocus
68
built in image stabilization (Sensor based)
megapixel count good (15 megapixels)
sensor size is good (APS-C)
weather sealing
comes with phase detect auto focus
max fps low (3.0 frames/s)
Photography Glossary

Travel Comparison

Travel photography with Panasonic ZS8
Travel photography with Pentax K20D
69
lighter than competition (210 grams)
megapixel count decent (14 megapixels)
has built in flash
reasonably wide (24mm)
very long reach (384mm)
doesn't have Time Lapse mode
screen is not selfie friendly
somewhat slow maximum aperture (f3.3)
64
weather sealing
megapixel count good (15MP)
built-in flash
doesn't offer selfie friendly display
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Landscape Comparison

Panasonic ZS8 Landscape photography features
Pentax K20D Landscape photography features
44
reasonably wide (24mm)
screen size is good (3 inch)
image stabilization (Optical)
megapixel count decent (14MP)
manual focus not available
lens is fixed (fixed lens mount)
somewhat slow maximum aperture (f3.3)
sensor size is tiny (1/2.3")
doesn't have RAW files
doesn't have Time Lapse mode
70
has manual focus
switch lenses (Pentax KAF2 mount)
built in image stabilization (Sensor based)
megapixel count good (15MP)
sensor size is good (APS-C)
saves RAW formats
weather sealing
screen is somewhat small (2.7 inches)
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Vlogging Comparison

Panasonic ZS8 Vlogging details
Pentax K20D Vlogging details
30
reasonably wide (24mm)
image stabilization (Optical)
lighter than competition (210g)
somewhat slow maximum aperture (f3.3)
screen is not selfie friendly
low video resolution (1280 x 720 pxls)
doesn't have external mic jack
9
can't record video
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Panasonic ZS8 vs Pentax K20D Specifications

Detailed spec comparison table for Panasonic ZS8 and Pentax K20D
 Panasonic Lumix DMC-ZS8Pentax K20D
General Information
Brand Name Panasonic Pentax
Model type Panasonic Lumix DMC-ZS8 Pentax K20D
Also Known as Lumix DMC-TZ18 -
Class Small Sensor Superzoom Advanced DSLR
Introduced 2011-07-19 2008-06-25
Physical type Compact Mid-size SLR
Sensor Information
Processor Venus Engine FHD -
Sensor type CCD CMOS
Sensor size 1/2.3" APS-C
Sensor measurements 6.08 x 4.56mm 23.4 x 15.6mm
Sensor area 27.7mm² 365.0mm²
Sensor resolution 14MP 15MP
Anti alias filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 3:2
Full resolution 4320 x 3240 4672 x 3104
Max native ISO 6400 3200
Max boosted ISO - 6400
Lowest native ISO 100 100
RAW format
Autofocusing
Manual focusing
AF touch
AF continuous
Single AF
Tracking AF
Selective AF
AF center weighted
Multi area AF
AF live view
Face detect AF
Contract detect AF
Phase detect AF
Total focus points 11 11
Lens
Lens mount type fixed lens Pentax KAF2
Lens zoom range 24-384mm (16.0x) -
Maximum aperture f/3.3-5.9 -
Macro focusing distance 3cm -
Available lenses - 151
Crop factor 5.9 1.5
Screen
Type of display Fixed Type Fixed Type
Display sizing 3" 2.7"
Resolution of display 230 thousand dots 230 thousand dots
Selfie friendly
Liveview
Touch operation
Display tech TFT LCD -
Viewfinder Information
Viewfinder type None Optical (pentaprism)
Viewfinder coverage - 95%
Viewfinder magnification - 0.64x
Features
Slowest shutter speed 60 seconds 30 seconds
Maximum shutter speed 1/4000 seconds 1/4000 seconds
Continuous shooting rate 2.0 frames per second 3.0 frames per second
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Custom WB
Image stabilization
Inbuilt flash
Flash distance 5.00 m 13.00 m (at ISO 100)
Flash options Auto, On, Off, Red-eye, Slow Syncro Auto, Red-Eye, Slow, Red-Eye Slow, Rear curtain, wireless
Hot shoe
AE bracketing
WB bracketing
Maximum flash synchronize - 1/180 seconds
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Supported video resolutions 1280 x 720 (30 fps), 640 x 480 (30 fps), 320 x 240 (30 fps) -
Max video resolution 1280x720 None
Video format MPEG-4 -
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 proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 210 grams (0.46 lb) 800 grams (1.76 lb)
Dimensions 105 x 58 x 33mm (4.1" x 2.3" x 1.3") 142 x 101 x 70mm (5.6" x 4.0" x 2.8")
DXO scores
DXO All around 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 340 photos -
Style of battery Battery Pack -
Battery ID - D-LI50
Self timer Yes (2 or 10 sec) Yes (2 or 10 sec)
Time lapse feature
Storage type SD/SDHC/SDXC, Internal SD/MMC/SDHC card
Card slots 1 1
Cost at launch $275 $700