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Olympus TG-820 iHS vs Pentax K-x

Portability
92
Imaging
36
Features
37
Overall
36
Olympus TG-820 iHS front
 
Pentax K-x front
Portability
69
Imaging
52
Features
47
Overall
50

Olympus TG-820 iHS vs Pentax K-x Key Specs

Olympus TG-820 iHS
(Full Review)
  • 12MP - 1/2.3" Sensor
  • 3" Fixed Display
  • ISO 100 - 6400
  • Sensor-shift Image Stabilization
  • 1920 x 1080 video
  • 28-140mm (F3.9-5.9) lens
  • 206g - 101 x 65 x 26mm
  • Revealed February 2012
Pentax K-x
(Full Review)
  • 12MP - APS-C Sensor
  • 2.7" Fixed Display
  • ISO 100 - 6400 (Expand to 12800)
  • Sensor based Image Stabilization
  • 1/6000s Maximum Shutter
  • 1280 x 720 video
  • Pentax KAF2 Mount
  • 580g - 123 x 92 x 68mm
  • Released December 2009
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Olympus TG-820 iHS vs Pentax K-x Overview

In this article, we are matching up the Olympus TG-820 iHS and Pentax K-x, former being a Waterproof while the other is a Entry-Level DSLR by brands Olympus and Pentax. The resolution of the TG-820 iHS (12MP) and the K-x (12MP) is fairly close but the TG-820 iHS (1/2.3") and K-x (APS-C) enjoy totally different sensor sizes.

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The TG-820 iHS was brought out 2 years later than the K-x and that is a fairly serious difference as far as camera tech is concerned. Both the cameras offer different body type with the Olympus TG-820 iHS being a Compact camera and the Pentax K-x being a Compact SLR camera.

Before going in to a more detailed comparison, below is a brief synopsis of how the TG-820 iHS scores vs the K-x when considering portability, imaging, features and an overall rating.

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Reasons to pick Olympus TG-820 iHS over the Pentax K-x

 TG-820 iHS K-x 
ReleasedFebruary 2012December 2009Fresher by 26 months
Display sizing3"2.7"Larger display (+0.3")
Display resolution1030k230kClearer display (+800k dot)

Reasons to pick Pentax K-x over the Olympus TG-820 iHS

 K-x TG-820 iHS 
Focus manually More precise focusing

Common features in the Olympus TG-820 iHS and Pentax K-x

 TG-820 iHS K-x 
Display typeFixed Fixed Fixed display
Selfie screen Neither features selfie screen
Touch friendly display Neither features Touch friendly display

Olympus TG-820 iHS vs Pentax K-x Physical Comparison

For those who are aiming to carry your camera frequently, you'll have to consider its weight and size. The Olympus TG-820 iHS enjoys physical measurements of 101mm x 65mm x 26mm (4.0" x 2.6" x 1.0") having a weight of 206 grams (0.45 lbs) while the Pentax K-x has specifications of 123mm x 92mm x 68mm (4.8" x 3.6" x 2.7") along with a weight of 580 grams (1.28 lbs).

See the Olympus TG-820 iHS and Pentax K-x in our newest Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Remember that, the weight of an ILC will change based on the lens you have at that moment. Following is the front view overall size comparison of the TG-820 iHS compared to the K-x.

Olympus TG-820 iHS vs Pentax K-x size comparison

Looking at size and weight, the portability grade of the TG-820 iHS and K-x is 92 and 69 respectively.

Olympus TG-820 iHS vs Pentax K-x top view buttons comparison

Olympus TG-820 iHS vs Pentax K-x Sensor Comparison

Often, it is very hard to envision the contrast in sensor sizing merely by looking through specs. The visual below will help offer you a better sense of the sensor measurements in the TG-820 iHS and K-x.

As you can plainly see, both of the cameras offer the same exact resolution but not the same sensor sizing. The TG-820 iHS has got the smaller sensor which should make getting bokeh tougher. The fresher TG-820 iHS will have an advantage when it comes to sensor technology.

Olympus TG-820 iHS vs Pentax K-x sensor size comparison

Olympus TG-820 iHS vs Pentax K-x Screen and ViewFinder

Olympus TG-820 iHS vs Pentax K-x Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Portrait photography with Olympus TG-820 iHS
Portrait photography with Pentax K-x
27
offers face detect focusing
no manual focus
no manual control
external flash not possible
MP count low (12 megapixels)
tiny sensor (1/2.3")
has no RAW files
63
focusing manually
nice sensor size (APS-C)
supports face detect autofocus
exports RAW files
megapixel count low (12 megapixels)
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Street Comparison

Olympus TG-820 iHS Street photography factors
Pentax K-x Street photography factors
61
built in image stabilization (Sensor-shift)
weather proof
no moving screen
tiny sensor (1/2.3")
has no RAW files
67
image stabilization (Sensor based)
nice sensor size (APS-C)
exports RAW files
screen is fixed
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Sports Comparison

Olympus TG-820 iHS as a Sports photography camera
Pentax K-x as a Sports photography camera
34
built in image stabilization (Sensor-shift)
offers tracking focus
weather proof
painfully slow continuous shooting (5.0 frames per second)
no shutter priority mode
MP count low (12MP)
tiny sensor (1/2.3")
low battery life (220 shots)
has no phase detect AF
61
max shutter speed is good (1/6,000s)
image stabilization (Sensor based)
nice sensor size (APS-C)
better than average battery power (1,900 per charge)
comes with phase detect autofocus
slow fps (5.0 frames per second)
megapixel count low (12 megapixels)
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Travel Comparison

Olympus TG-820 iHS Travel photography info
Pentax K-x Travel photography info
59
weather proof
built-in flash
pretty wide (28mm)
doesn't have Time Lapse recording
low battery life (220 CIPA)
MP count low (12 megapixels)
does not posses selfie friendly screen
sluggish maximum aperture (f3.9)
54
better than average battery power (1,900 per charge)
flash built-in
doesn't have Timelapse recording
megapixel count low (12MP)
display isn't selfie friendly
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Landscape Comparison

Landscape photography with Olympus TG-820 iHS
Landscape photography with Pentax K-x
38
pretty wide (28mm)
screen is a decent size (3 inch)
built in image stabilization (Sensor-shift)
weather proof
no manual focus
fixed lens (fixed lens mount)
sluggish maximum aperture (f3.9)
no manual control
MP count low (12MP)
tiny sensor (1/2.3")
has no RAW files
low battery life (220 shots)
doesn't have Time Lapse recording
61
focusing manually
switch lenses (Pentax KAF2 mount)
image stabilization (Sensor based)
nice sensor size (APS-C)
exports RAW files
better than average battery power (1,900 per charge)
small screen (2.7 inch)
megapixel count low (12MP)
doesn't have Timelapse recording
Photography Glossary

Vlogging Comparison

Olympus TG-820 iHS Vlogging factors
Pentax K-x Vlogging factors
33
pretty wide (28mm)
built in image stabilization (Sensor-shift)
offers face detect focusing
high res video (1920 x 1080 pxls)
sluggish maximum aperture (f3.9)
does not posses selfie friendly screen
doesn't have mic socket
27
image stabilization (Sensor based)
supports face detect autofocus
display isn't selfie friendly
video res low (1280 x 720 pixels)
doesn't have microphone jack
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Olympus TG-820 iHS vs Pentax K-x Specifications

Detailed spec comparison table for Olympus TG-820 iHS and Pentax K-x
 Olympus TG-820 iHSPentax K-x
General Information
Brand Name Olympus Pentax
Model Olympus TG-820 iHS Pentax K-x
Class Waterproof Entry-Level DSLR
Revealed 2012-02-08 2009-12-23
Body design Compact Compact SLR
Sensor Information
Processor TruePic VI Prime
Sensor type CMOS CMOS
Sensor size 1/2.3" APS-C
Sensor measurements 6.17 x 4.55mm 23.6 x 15.8mm
Sensor surface area 28.1mm² 372.9mm²
Sensor resolution 12MP 12MP
Anti aliasing filter
Aspect ratio - 3:2
Maximum resolution 3968 x 2976 4288 x 2848
Maximum native ISO 6400 6400
Maximum boosted ISO - 12800
Min native ISO 100 100
RAW files
Autofocusing
Focus manually
Touch focus
Autofocus continuous
Single autofocus
Autofocus tracking
Selective autofocus
Autofocus center weighted
Multi area autofocus
Autofocus live view
Face detect focus
Contract detect focus
Phase detect focus
Number of focus points - 11
Lens
Lens mount fixed lens Pentax KAF2
Lens focal range 28-140mm (5.0x) -
Maximal aperture f/3.9-5.9 -
Macro focus distance 1cm -
Available lenses - 151
Crop factor 5.8 1.5
Screen
Range of display Fixed Type Fixed Type
Display diagonal 3 inches 2.7 inches
Resolution of display 1,030k dot 230k dot
Selfie friendly
Liveview
Touch capability
Display tech HyperCrystal III TFT Color LCD TFT LCD monitor
Viewfinder Information
Viewfinder None Optical (pentamirror)
Viewfinder coverage - 96 percent
Viewfinder magnification - 0.57x
Features
Lowest shutter speed 4 secs 30 secs
Highest shutter speed 1/2000 secs 1/6000 secs
Continuous shooting speed 5.0 frames per second 5.0 frames per second
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation - Yes
Set white balance
Image stabilization
Inbuilt flash
Flash range 3.50 m 16.00 m
Flash modes Auto, On, Off, Red-Eye, Fill-in Auto, On, Off, Red-Eye, Slow Sync, Rear curtain, Wireless
External flash
AE bracketing
WB bracketing
Highest flash sync - 1/180 secs
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Video resolutions 1920 x 1080 (30 fps)1280 x 720 (30 fps), 640 x 480 (30 fps), 320 x 180 (30fps) 1280 x 720 (24 fps), 640 x 416 (24 fps)
Maximum video resolution 1920x1080 1280x720
Video data format MPEG-4, H.264 Motion JPEG
Microphone input
Headphone input
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 seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 206g (0.45 lb) 580g (1.28 lb)
Dimensions 101 x 65 x 26mm (4.0" x 2.6" x 1.0") 123 x 92 x 68mm (4.8" x 3.6" x 2.7")
DXO scores
DXO All around score not tested 72
DXO Color Depth score not tested 22.8
DXO Dynamic range score not tested 12.5
DXO Low light score not tested 811
Other
Battery life 220 photographs 1900 photographs
Battery format Battery Pack Battery Pack
Battery model LI-50B 4 x AA
Self timer Yes (2 or 12 sec, pet auto shutter) Yes (2 or 12 sec)
Time lapse shooting
Type of storage SD/SDHC/SDXC SD/SDHC card
Storage slots One One
Retail pricing $500 $600