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Pentax K20D vs Pentax WS80

Portability
59
Imaging
53
Features
52
Overall
52
Pentax K20D front
 
Pentax Optio WS80 front
Portability
95
Imaging
33
Features
20
Overall
27

Pentax K20D vs Pentax WS80 Key Specs

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
  • Succeeded the Pentax K10D
Pentax WS80
(Full Review)
  • 10MP - 1/2.3" Sensor
  • 2.7" Fixed Screen
  • ISO 64 - 6400
  • 1280 x 720 video
  • 35-175mm (F3.8-4.7) lens
  • 125g - 92 x 60 x 22mm
  • Introduced August 2009
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Pentax K20D vs Pentax WS80 Overview

Below, we will be matching up the Pentax K20D and Pentax WS80, one being a Advanced DSLR and the latter is a Waterproof and both are offered by Pentax. There exists a significant gap among the image resolutions of the K20D (15MP) and WS80 (10MP) and the K20D (APS-C) and WS80 (1/2.3") possess different sensor sizes.

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The K20D was launched 13 months earlier than the WS80 which makes the cameras a generation apart from one another. Each of the cameras come with different body type with the Pentax K20D being a Mid-size SLR camera and the Pentax WS80 being a Compact camera.

Before getting in to a full comparison, below is a quick summation of how the K20D matches up against the WS80 with respect to portability, imaging, features and an overall grade.

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Reasons to pick Pentax K20D over the Pentax WS80

 K20D WS80 

Reasons to pick Pentax WS80 over the Pentax K20D

 WS80 K20D 
IntroducedAugust 2009June 2008More recent by 13 months

Common features in the Pentax K20D and Pentax WS80

 K20D WS80 
Focus manually Dial precise focusing
Screen typeFixed Fixed Fixed screen
Screen dimension2.7"2.7"Identical screen dimensions
Screen resolution230k230kSame screen resolution
Selfie screen Neither provides selfie screen
Touch friendly screen Lack of Touch friendly screen

Pentax K20D vs Pentax WS80 Physical Comparison

For anyone who is planning to lug around your camera often, you'll have to factor in its weight and measurements. The Pentax K20D provides physical measurements of 142mm x 101mm x 70mm (5.6" x 4.0" x 2.8") having a weight of 800 grams (1.76 lbs) while the Pentax WS80 has proportions of 92mm x 60mm x 22mm (3.6" x 2.4" x 0.9") accompanied by a weight of 125 grams (0.28 lbs).

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Take into consideration, the weight of an Interchangeable Lens Camera will change dependant on the lens you have attached at that time. Underneath is the front view dimension comparison of the K20D and the WS80.

Pentax K20D vs Pentax WS80 size comparison

Taking into account dimensions and weight, the portability grade of the K20D and WS80 is 59 and 95 respectively.

Pentax K20D vs Pentax WS80 top view buttons comparison

Pentax K20D vs Pentax WS80 Sensor Comparison

More often than not, its hard to picture the gap in sensor measurements only by going through specs. The visual below will help offer you a clearer sense of the sensor measurements in the K20D and WS80.

As you can plainly see, both of those cameras posses different megapixels and different sensor measurements. The K20D due to its bigger sensor is going to make achieving shallow DOF less difficult and the Pentax K20D will provide more detail utilizing its extra 5MP. Higher resolution will allow you to crop shots somewhat more aggressively. The older K20D will be behind in sensor tech.

Pentax K20D vs Pentax WS80 sensor size comparison

Pentax K20D vs Pentax WS80 Screen and ViewFinder

Pentax K20D vs Pentax WS80 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax K20D as a Portrait photography camera
Pentax WS80 as a Portrait photography camera
71
you can focus manually
good resolution (15 megapixels)
nice sensor size (APS-C)
saves RAW files
26
you can focus manually
no manual mode
can't use external flash
sensor resolution low (10MP)
sensor is very small (1/2.3")
no RAW files
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Street Comparison

Pentax K20D Street photography advice
Pentax WS80 Street photography advice
65
image stabilization (Sensor based)
nice sensor size (APS-C)
saves RAW files
environment proof
screen is fixed
59
environment proofing
lighter than average in class (125g)
screen does not articulate
no image stabilization
sensor is very small (1/2.3")
no RAW files
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Sports Comparison

Pentax K20D as a Sports photography camera
Pentax WS80 as a Sports photography camera
68
image stabilization (Sensor based)
good resolution (15MP)
nice sensor size (APS-C)
environment proof
comes with phase detect auto focus
low fps (3.0 frames per second)
23
environment proofing
painfully slow continuous shooting (1.0 fps)
no shutter priority mode
no image stabilization
sensor resolution low (10 megapixels)
sensor is very small (1/2.3")
no phase detect auto focus
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Travel Comparison

Pentax K20D Travel photography information
Pentax WS80 Travel photography information
64
environment proof
good resolution (15MP)
flash built-in
display isn't selfie friendly
61
lighter than average in class (125g)
environment proofing
flash built-in
sensor resolution low (10 megapixels)
display is not selfie friendly
wide angle not the best (35mm)
sluggish max aperture (f3.8)
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Landscape Comparison

Pentax K20D Landscape photography advice
Pentax WS80 Landscape photography advice
70
you can focus manually
interchangeable lenses (Pentax KAF2 mount)
image stabilization (Sensor based)
good resolution (15MP)
nice sensor size (APS-C)
saves RAW files
environment proof
small screen (2.7 inches)
31
you can focus manually
environment proofing
fixed lens (fixed lens mount)
wide angle not the best (35mm)
sluggish max aperture (f3.8)
screen is small (2.7")
no manual mode
no image stabilization
sensor resolution low (10MP)
sensor is very small (1/2.3")
no RAW files
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Vlogging Comparison

Pentax K20D Vlogging info
Pentax WS80 Vlogging info
9
no video recording
25
lighter than average in class (125 grams)
wide angle not the best (35mm)
sluggish max aperture (f3.8)
display is not selfie friendly
no image stabilization
video quality not great (1280 x 720 pxls)
doesn't have external microphone socket
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Pentax K20D vs Pentax WS80 Specifications

Detailed spec comparison table for Pentax K20D and Pentax WS80
 Pentax K20DPentax Optio WS80
General Information
Manufacturer Pentax Pentax
Model type Pentax K20D Pentax Optio WS80
Category Advanced DSLR Waterproof
Launched 2008-06-25 2009-08-05
Physical type Mid-size SLR Compact
Sensor Information
Powered by - Prime
Sensor type CMOS CCD
Sensor size APS-C 1/2.3"
Sensor measurements 23.4 x 15.6mm 6.17 x 4.55mm
Sensor area 365.0mm² 28.1mm²
Sensor resolution 15MP 10MP
Anti alias filter
Aspect ratio 3:2 4:3 and 16:9
Highest resolution 4672 x 3104 3648 x 2736
Highest native ISO 3200 6400
Highest boosted ISO 6400 -
Minimum native ISO 100 64
RAW support
Autofocusing
Manual focusing
Autofocus touch
Autofocus continuous
Single autofocus
Tracking autofocus
Selective autofocus
Center weighted autofocus
Multi area autofocus
Autofocus live view
Face detect focus
Contract detect focus
Phase detect focus
Total focus points 11 9
Lens
Lens support Pentax KAF2 fixed lens
Lens zoom range - 35-175mm (5.0x)
Highest aperture - f/3.8-4.7
Number of lenses 151 -
Focal length multiplier 1.5 5.8
Screen
Type of display Fixed Type Fixed Type
Display size 2.7 inch 2.7 inch
Display resolution 230 thousand dots 230 thousand dots
Selfie friendly
Liveview
Touch display
Viewfinder Information
Viewfinder type Optical (pentaprism) None
Viewfinder coverage 95% -
Viewfinder magnification 0.64x -
Features
Slowest shutter speed 30 secs 4 secs
Maximum shutter speed 1/4000 secs 1/1500 secs
Continuous shooting rate 3.0 frames per sec 1.0 frames per sec
Shutter priority
Aperture priority
Manual mode
Exposure compensation Yes -
Set white balance
Image stabilization
Built-in flash
Flash distance 13.00 m (at ISO 100) 3.40 m
Flash settings Auto, Red-Eye, Slow, Red-Eye Slow, Rear curtain, wireless Auto, On, Off, Red-eye, Soft
Hot shoe
Auto exposure bracketing
White balance bracketing
Maximum flash synchronize 1/180 secs -
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Supported video resolutions - 1280 x 720 (30 fps), 848 x 480 (30 fps), 640 x 480 (30 fps), 320 x 240 (30, 15 fps)
Highest video resolution None 1280x720
Video data format - 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
Environmental sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 800g (1.76 lbs) 125g (0.28 lbs)
Dimensions 142 x 101 x 70mm (5.6" x 4.0" x 2.8") 92 x 60 x 22mm (3.6" x 2.4" x 0.9")
DXO scores
DXO All around rating 65 not tested
DXO Color Depth rating 22.9 not tested
DXO Dynamic range rating 11.1 not tested
DXO Low light rating 639 not tested
Other
Battery ID D-LI50 D-LI68
Self timer Yes (2 or 10 sec) Yes (2 or 10 sec)
Time lapse recording
Storage type SD/MMC/SDHC card SD/SDHC card, Internal
Card slots Single Single
Retail price $700 $220