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Olympus TG-830 iHS vs Pentax K20D

Portability
91
Imaging
39
Features
40
Overall
39
Olympus TG-830 iHS front
 
Pentax K20D front
Portability
59
Imaging
53
Features
52
Overall
52

Olympus TG-830 iHS vs Pentax K20D Key Specs

Olympus TG-830 iHS
(Full Review)
  • 16MP - 1/2.3" Sensor
  • 3" Fixed Screen
  • ISO 100 - 6400
  • Sensor-shift Image Stabilization
  • 1920 x 1080 video
  • 28-140mm (F3.9-5.9) lens
  • 214g - 109 x 67 x 28mm
  • Introduced January 2013
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
  • Replaced the Pentax K10D
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Olympus TG-830 iHS vs Pentax K20D Overview

Let's look much closer at the Olympus TG-830 iHS vs Pentax K20D, one being a Waterproof and the other is a Advanced DSLR by companies Olympus and Pentax. The image resolution of the TG-830 iHS (16MP) and the K20D (15MP) is very close but the TG-830 iHS (1/2.3") and K20D (APS-C) use different sensor sizing.

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The TG-830 iHS was brought out 4 years later than the K20D and that is a fairly large gap as far as camera tech is concerned. The two cameras offer different body type with the Olympus TG-830 iHS being a Compact camera and the Pentax K20D being a Mid-size SLR camera.

Before diving straight into a complete comparison, below is a short summation of how the TG-830 iHS matches up vs the K20D with regard to portability, imaging, features and an overall grade.

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Reasons to pick Olympus TG-830 iHS over the Pentax K20D

 TG-830 iHS K20D 
LaunchedJanuary 2013June 2008More recent by 56 months
Display sizing3"2.7"Larger display (+0.3")
Display resolution460k230kSharper display (+230k dot)

Reasons to pick Pentax K20D over the Olympus TG-830 iHS

 K20D TG-830 iHS 
Focus manually More precise focusing

Common features in the Olympus TG-830 iHS and Pentax K20D

 TG-830 iHS K20D 
Display typeFixed Fixed Fixed display
Selfie screen Neither provides selfie screen
Touch display Neither provides Touch display

Olympus TG-830 iHS vs Pentax K20D Physical Comparison

When you are going to lug around your camera often, you'll have to factor its weight and size. The Olympus TG-830 iHS provides outer measurements of 109mm x 67mm x 28mm (4.3" x 2.6" x 1.1") with a weight of 214 grams (0.47 lbs) and 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).

Take a look at the Olympus TG-830 iHS vs Pentax K20D in the new Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into account, the weight of an Interchangeable Lens Camera will change dependant on the lens you are utilising at the time. Below is the front view sizing comparison of the TG-830 iHS vs the K20D.

Olympus TG-830 iHS vs Pentax K20D size comparison

Using size and weight, the portability score of the TG-830 iHS and K20D is 91 and 59 respectively.

Olympus TG-830 iHS vs Pentax K20D top view buttons comparison

Olympus TG-830 iHS vs Pentax K20D Sensor Comparison

In many cases, it's difficult to imagine the contrast in sensor measurements merely by viewing specifications. The photograph underneath may give you a greater sense of the sensor sizing in the TG-830 iHS and K20D.

Plainly, the 2 cameras enjoy different megapixel count and different sensor measurements. The TG-830 iHS featuring a smaller sensor is going to make achieving shallow DOF more difficult and the Olympus TG-830 iHS will provide you with extra detail having its extra 1 Megapixels. Greater resolution will let you crop photos far more aggressively. The newer TG-830 iHS should have an edge in sensor innovation.

Olympus TG-830 iHS vs Pentax K20D sensor size comparison

Olympus TG-830 iHS vs Pentax K20D Screen and ViewFinder

Olympus TG-830 iHS vs Pentax K20D Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Olympus TG-830 iHS Portrait photography details
Pentax K20D Portrait photography details
34
good MP (16 megapixels)
supports face detection autofocus
no manual focus
lack of manual mode
can't use external flash
sensor is small (1/2.3")
has no RAW format
71
you can focus manually
decent sensor resolution (15MP)
nice sensor size (APS-C)
delivers RAW files
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Street Comparison

Olympus TG-830 iHS Street photography details
Pentax K20D Street photography details
61
has image stabilization (Sensor-shift)
environment sealing
fixed screen
sensor is small (1/2.3")
has no RAW format
65
image stabilization (Sensor based)
nice sensor size (APS-C)
delivers RAW files
environment proof
no articulating screen
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Sports Comparison

Olympus TG-830 iHS Sports photography info
Pentax K20D Sports photography info
48
has image stabilization (Sensor-shift)
good MP (16MP)
supports tracking autofocus
environment sealing
lack of shutter priority mode
sensor is small (1/2.3")
has no phase detect autofocus
68
image stabilization (Sensor based)
decent sensor resolution (15MP)
nice sensor size (APS-C)
environment proof
supports phase detect auto focus
continuous shooting slow (3.0 fps)
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Travel Comparison

Olympus TG-830 iHS as a Travel photography camera
Pentax K20D as a Travel photography camera
67
environment sealing
good MP (16 megapixels)
flash built-in
relatively wide (28mm)
missing Timelapse function
doesn't offer selfie friendly display
somewhat slow maximum aperture (f3.9)
64
environment proof
decent sensor resolution (15MP)
flash built-in
screen isn't selfie friendly
Photography Glossary

Landscape Comparison

Olympus TG-830 iHS as a Landscape photography camera
Pentax K20D as a Landscape photography camera
45
relatively wide (28mm)
screen size is good (3 inch)
has image stabilization (Sensor-shift)
good MP (16MP)
environment sealing
no manual focus
can't change lens (fixed lens mount)
somewhat slow maximum aperture (f3.9)
lack of manual mode
sensor is small (1/2.3")
has no RAW format
missing Timelapse function
70
you can focus manually
swap lenses (Pentax KAF2 mount)
image stabilization (Sensor based)
decent sensor resolution (15MP)
nice sensor size (APS-C)
delivers RAW files
environment proof
screen is somewhat small (2.7 inch)
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Vlogging Comparison

Olympus TG-830 iHS as a Vlogging camera
Pentax K20D as a Vlogging camera
33
relatively wide (28mm)
has image stabilization (Sensor-shift)
supports face detection autofocus
high res video (1920 x 1080 resolution)
somewhat slow maximum aperture (f3.9)
doesn't offer selfie friendly display
missing external microphone support
9
no video
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Olympus TG-830 iHS vs Pentax K20D Specifications

Detailed spec comparison table for Olympus TG-830 iHS and Pentax K20D
 Olympus TG-830 iHSPentax K20D
General Information
Brand Name Olympus Pentax
Model Olympus TG-830 iHS Pentax K20D
Type Waterproof Advanced DSLR
Introduced 2013-01-08 2008-06-25
Physical type Compact Mid-size SLR
Sensor Information
Sensor type CMOS CMOS
Sensor size 1/2.3" APS-C
Sensor dimensions 6.17 x 4.55mm 23.4 x 15.6mm
Sensor area 28.1mm² 365.0mm²
Sensor resolution 16MP 15MP
Anti aliasing filter
Aspect ratio 4:3 and 16:9 3:2
Max resolution 4608 x 3456 4672 x 3104
Max native ISO 6400 3200
Max enhanced ISO - 6400
Minimum native ISO 100 100
RAW pictures
Autofocusing
Manual focus
Touch to focus
Continuous AF
Single AF
AF tracking
Selective AF
Center weighted AF
AF multi area
AF live view
Face detection focusing
Contract detection focusing
Phase detection focusing
Number of focus points - 11
Cross focus points - -
Lens
Lens mount fixed lens Pentax KAF2
Lens focal range 28-140mm (5.0x) -
Maximum aperture f/3.9-5.9 -
Macro focus distance 1cm -
Available lenses - 151
Focal length multiplier 5.8 1.5
Screen
Screen type Fixed Type Fixed Type
Screen size 3 inch 2.7 inch
Resolution of screen 460 thousand dots 230 thousand dots
Selfie friendly
Liveview
Touch display
Viewfinder Information
Viewfinder type None Optical (pentaprism)
Viewfinder coverage - 95%
Viewfinder magnification - 0.64x
Features
Minimum shutter speed 4s 30s
Fastest shutter speed 1/2000s 1/4000s
Continuous shutter rate - 3.0fps
Shutter priority
Aperture priority
Manual mode
Exposure compensation - Yes
Custom WB
Image stabilization
Inbuilt flash
Flash range - 13.00 m (at ISO 100)
Flash settings Auto, On, Off, Red-Eye, Fill-in Auto, Red-Eye, Slow, Red-Eye Slow, Rear curtain, wireless
External flash
AEB
White balance bracketing
Fastest flash synchronize - 1/180s
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Supported video resolutions 1920 x 1080 (60 fps), 1280 x 720 (30 fps), 640 x 480 (30 fps), 320 x 180 (30fps) -
Max video resolution 1920x1080 None
Video file format H.264 -
Mic port
Headphone port
Connectivity
Wireless None None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS BuiltIn None
Physical
Environmental sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 214g (0.47 lb) 800g (1.76 lb)
Dimensions 109 x 67 x 28mm (4.3" x 2.6" 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 photographs -
Battery type Battery Pack -
Battery model LI-50B D-LI50
Self timer Yes (2 or 12 sec, pet auto shutter) Yes (2 or 10 sec)
Time lapse recording
Storage type SD/SDHC/SDXC SD/MMC/SDHC card
Card slots One One
Launch pricing $0 $700