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Olympus TG-860 vs Pentax K20D

Portability
91
Imaging
41
Features
42
Overall
41
Olympus Stylus Tough TG-860 front
 
Pentax K20D front
Portability
59
Imaging
54
Features
52
Overall
53

Olympus TG-860 vs Pentax K20D Key Specs

Olympus TG-860
(Full Review)
  • 16MP - 1/2.3" Sensor
  • 3" Tilting Display
  • ISO 125 - 6400
  • Optical Image Stabilization
  • 1920 x 1080 video
  • 21-105mm (F3.5-5.7) lens
  • 224g - 110 x 64 x 28mm
  • Released February 2015
  • Newer Model is Olympus TG-870
Pentax K20D
(Full Review)
  • 15MP - APS-C Sensor
  • 2.7" Fixed Display
  • ISO 100 - 3200 (Push to 6400)
  • Sensor based Image Stabilization
  • No Video
  • Pentax KAF2 Mount
  • 800g - 142 x 101 x 70mm
  • Announced June 2008
  • Superseded the Pentax K10D
Photography Glossary

Olympus TG-860 vs Pentax K20D Overview

Below, we are evaluating the Olympus TG-860 and Pentax K20D, former is a Waterproof while the other is a Advanced DSLR by brands Olympus and Pentax. The image resolution of the TG-860 (16MP) and the K20D (15MP) is fairly comparable but the TG-860 (1/2.3") and K20D (APS-C) enjoy totally different sensor dimensions.

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The TG-860 was announced 6 years after the K20D which is a fairly serious difference as far as camera tech is concerned. Both of these cameras come with different body type with the Olympus TG-860 being a Ultracompact camera and the Pentax K20D being a Mid-size SLR camera.

Before diving through a more detailed comparison, below is a concise introduction of how the TG-860 scores versus the K20D in terms of portability, imaging, features and an overall mark.

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Reasons to pick Olympus TG-860 over the Pentax K20D

 TG-860 K20D 
AnnouncedFebruary 2015June 2008Newer by 81 months
Display typeTiltingFixed Tilting display
Display dimension3"2.7"Larger display (+0.3")
Display resolution460k230kClearer display (+230k dot)

Reasons to pick Pentax K20D over the Olympus TG-860

 K20D TG-860 
Manual focus More exact focus

Common features in the Olympus TG-860 and Pentax K20D

 TG-860 K20D 
Selfie screen Lack of selfie screen
Touch friendly display Lack of Touch friendly display

Olympus TG-860 vs Pentax K20D Physical Comparison

When you are intending to travel with your camera, you'll have to factor in its weight and measurements. The Olympus TG-860 provides outside measurements of 110mm x 64mm x 28mm (4.3" x 2.5" x 1.1") with a weight of 224 grams (0.49 lbs) whilst the Pentax K20D has proportions of 142mm x 101mm x 70mm (5.6" x 4.0" x 2.8") accompanied by a weight of 800 grams (1.76 lbs).

See the Olympus TG-860 and Pentax K20D in our brand new Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into account, the weight of an ILC will differ based on the lens you are using at that time. Below is the front view measurement comparison of the TG-860 compared to the K20D.

Olympus TG-860 vs Pentax K20D size comparison

Taking into consideration size and weight, the portability grade of the TG-860 and K20D is 91 and 59 respectively.

Olympus TG-860 vs Pentax K20D top view buttons comparison

Olympus TG-860 vs Pentax K20D Sensor Comparison

Oftentimes, it is very hard to visualise the difference in sensor dimensions simply by checking out specs. The picture here may offer you a much better sense of the sensor sizing in the TG-860 and K20D.

As you can plainly see, the two cameras have got different megapixels and different sensor dimensions. The TG-860 using its smaller sensor will make shooting bokeh harder and the Olympus TG-860 will show extra detail with its extra 1MP. Greater resolution will also let you crop photos much more aggressively. The fresher TG-860 will have an advantage when it comes to sensor innovation.

Olympus TG-860 vs Pentax K20D sensor size comparison

Olympus TG-860 vs Pentax K20D Screen and ViewFinder

Olympus TG-860 vs Pentax K20D Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Olympus TG-860 as a Portrait photography camera
Pentax K20D as a Portrait photography camera
36
MP count decent (16 megapixels)
comes with face detect focus
lack of manual focus
no manual mode
external flash not possible
small sensor size (1/2.3")
doesn't have RAW support
72
focusing manually
good resolution (15MP)
sensor size is decent (APS-C)
supports RAW files
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Street Comparison

Olympus TG-860 Street photography info
Pentax K20D Street photography info
69
screen tilts
built in image stabilization (Optical)
weather proofing
small sensor size (1/2.3")
doesn't have RAW support
65
has image stabilization (Sensor based)
sensor size is decent (APS-C)
supports RAW files
weather proofing
screen does not articulate
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Sports Comparison

Olympus TG-860 Sports photography factors
Pentax K20D Sports photography factors
49
built in image stabilization (Optical)
MP count decent (16MP)
comes with tracking focus
weather proofing
no shutter priority
small sensor size (1/2.3")
doesn't have phase detect auto focus
68
has image stabilization (Sensor based)
good resolution (15 megapixels)
sensor size is decent (APS-C)
weather proofing
sensor has phase detect autofocus
painfully slow continuous shooting (3.0 frames per second)
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Travel Comparison

Olympus TG-860 as a Travel photography camera
Pentax K20D as a Travel photography camera
71
weather proofing
MP count decent (16MP)
built-in flash
rather wide (21mm)
does not have selfie friendly screen
slow maximum aperture (f3.5)
64
weather proofing
good resolution (15 megapixels)
has built in flash
display isn't selfie friendly
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Landscape Comparison

Landscape photography with Olympus TG-860
Landscape photography with Pentax K20D
48
rather wide (21mm)
screen size is decent (3 inch)
built in image stabilization (Optical)
MP count decent (16 megapixels)
weather proofing
lack of manual focus
fixed lens (fixed lens mount)
slow maximum aperture (f3.5)
no manual mode
small sensor size (1/2.3")
doesn't have RAW support
71
focusing manually
switch lenses (Pentax KAF2 mount)
has image stabilization (Sensor based)
good resolution (15 megapixels)
sensor size is decent (APS-C)
supports RAW files
weather proofing
small screen (2.7 inch)
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Vlogging Comparison

Olympus TG-860 Vlogging advice
Pentax K20D Vlogging advice
33
rather wide (21mm)
built in image stabilization (Optical)
comes with face detect focus
high res video (1920 x 1080 pixels)
slow maximum aperture (f3.5)
does not have selfie friendly screen
does not have microphone port
9
no video shooting
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Olympus TG-860 vs Pentax K20D Specifications

Detailed spec comparison table for Olympus TG-860 and Pentax K20D
 Olympus Stylus Tough TG-860Pentax K20D
General Information
Brand Olympus Pentax
Model Olympus Stylus Tough TG-860 Pentax K20D
Type Waterproof Advanced DSLR
Released 2015-02-06 2008-06-25
Body design Ultracompact Mid-size SLR
Sensor Information
Chip TruePic VII -
Sensor type CMOS CMOS
Sensor size 1/2.3" APS-C
Sensor dimensions 6.17 x 4.55mm 23.4 x 15.6mm
Sensor surface area 28.1mm² 365.0mm²
Sensor resolution 16MP 15MP
Anti aliasing filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 3:2
Highest Possible resolution 4608 x 3456 4672 x 3104
Maximum native ISO 6400 3200
Maximum enhanced ISO - 6400
Minimum native ISO 125 100
RAW photos
Autofocusing
Focus manually
Touch focus
Continuous autofocus
Single autofocus
Autofocus tracking
Selective autofocus
Autofocus center weighted
Autofocus multi area
Autofocus live view
Face detect autofocus
Contract detect autofocus
Phase detect autofocus
Number of focus points - 11
Lens
Lens mounting type fixed lens Pentax KAF2
Lens focal range 21-105mm (5.0x) -
Highest aperture f/3.5-5.7 -
Macro focus range 1cm -
Amount of lenses - 151
Crop factor 5.8 1.5
Screen
Range of display Tilting Fixed Type
Display size 3" 2.7"
Resolution of display 460 thousand dot 230 thousand dot
Selfie friendly
Liveview
Touch functionality
Viewfinder Information
Viewfinder None Optical (pentaprism)
Viewfinder coverage - 95%
Viewfinder magnification - 0.64x
Features
Min shutter speed 4 secs 30 secs
Max shutter speed 1/2000 secs 1/4000 secs
Continuous shutter speed 7.0fps 3.0fps
Shutter priority
Aperture priority
Expose Manually
Exposure compensation - Yes
Change white balance
Image stabilization
Inbuilt flash
Flash range 4.00 m (at ISO 1600) 13.00 m (at ISO 100)
Flash settings Auto, redeye reduction, fill flash, off, LED illuminator Auto, Red-Eye, Slow, Red-Eye Slow, Rear curtain, wireless
External flash
AEB
WB bracketing
Max flash sync - 1/180 secs
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Supported video resolutions 1920 x 1080 (60p), 1280 x 720 (60p), 640 x 480 (60p) -
Maximum video resolution 1920x1080 None
Video format H.264 -
Mic input
Headphone input
Connectivity
Wireless Built-In None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS Yes None
Physical
Environment seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 224 grams (0.49 lb) 800 grams (1.76 lb)
Dimensions 110 x 64 x 28mm (4.3" x 2.5" x 1.1") 142 x 101 x 70mm (5.6" x 4.0" x 2.8")
DXO scores
DXO Overall score not tested 65
DXO Color Depth score not tested 22.9
DXO Dynamic range score not tested 11.1
DXO Low light score not tested 639
Other
Battery life 300 pictures -
Battery format Battery Pack -
Battery model Li-50B D-LI50
Self timer Yes (2 or 10 sec, custom) Yes (2 or 10 sec)
Time lapse feature
Storage media SD/SDHC/SDXC, Internal SD/MMC/SDHC card
Storage slots 1 1
Retail pricing $279 $700