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Olympus TG-3 vs Pentax K100D S

Portability
90
Imaging
40
Features
46
Overall
42
Olympus Tough TG-3 front
 
Pentax K100D Super front
Portability
65
Imaging
45
Features
38
Overall
42

Olympus TG-3 vs Pentax K100D S Key Specs

Olympus TG-3
(Full Review)
  • 16MP - 1/2.3" Sensor
  • 3" Fixed Display
  • ISO 100 - 6400
  • Sensor-shift Image Stabilization
  • 1920 x 1080 video
  • 25-100mm (F2.0-4.9) lens
  • 247g - 112 x 66 x 31mm
  • Announced March 2014
  • Replacement is Olympus TG-4
Pentax K100D S
(Full Review)
  • 6MP - APS-C Sensor
  • 2.5" Fixed Display
  • ISO 200 - 3200
  • Sensor based Image Stabilization
  • No Video
  • Pentax KAF2 Mount
  • 646g - 129 x 91 x 71mm
  • Announced June 2007
  • Succeeded the Pentax K100D
  • New Model is Pentax K200D
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Olympus TG-3 vs Pentax K100D S Overview

On this page, we are contrasting the Olympus TG-3 and Pentax K100D S, one being a Waterproof and the other is a Entry-Level DSLR by companies Olympus and Pentax. There exists a significant gap between the resolutions of the TG-3 (16MP) and K100D S (6MP) and the TG-3 (1/2.3") and K100D S (APS-C) boast different sensor size.

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The TG-3 was unveiled 6 years later than the K100D S and that is quite a sizable gap as far as technology is concerned. Both cameras have different body design with the Olympus TG-3 being a Compact camera and the Pentax K100D S being a Compact SLR camera.

Before delving into a comprehensive comparison, here is a quick overview of how the TG-3 scores vs the K100D S in terms of portability, imaging, features and an overall rating.

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Reasons to pick Olympus TG-3 over the Pentax K100D S

 TG-3 K100D S 
AnnouncedMarch 2014June 2007Fresher by 83 months
Display dimensions3"2.5"Larger display (+0.5")
Display resolution460k210kClearer display (+250k dot)

Reasons to pick Pentax K100D S over the Olympus TG-3

 K100D S TG-3 
Manually focus Very exact focus

Common features in the Olympus TG-3 and Pentax K100D S

 TG-3 K100D S 
Display typeFixed Fixed Fixed display
Selfie screen Missing selfie screen
Touch display Missing Touch display

Olympus TG-3 vs Pentax K100D S Physical Comparison

For anyone who is aiming to carry your camera regularly, you're going to have to think about its weight and dimensions. The Olympus TG-3 comes with physical dimensions of 112mm x 66mm x 31mm (4.4" x 2.6" x 1.2") along with a weight of 247 grams (0.54 lbs) whilst the Pentax K100D S has dimensions of 129mm x 91mm x 71mm (5.1" x 3.6" x 2.8") with a weight of 646 grams (1.42 lbs).

Compare the Olympus TG-3 and Pentax K100D S in the latest Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Remember, the weight of an Interchangeable Lens Camera will differ based on the lens you have during that time. The following is a front view overall size comparison of the TG-3 and the K100D S.

Olympus TG-3 vs Pentax K100D S size comparison

Factoring in dimensions and weight, the portability score of the TG-3 and K100D S is 90 and 65 respectively.

Olympus TG-3 vs Pentax K100D S top view buttons comparison

Olympus TG-3 vs Pentax K100D S Sensor Comparison

Sometimes, its hard to picture the contrast between sensor sizing only by going over technical specs. The photograph here will help provide you a far better sense of the sensor sizes in the TG-3 and K100D S.

As you have seen, the 2 cameras provide different megapixels and different sensor sizing. The TG-3 using its tinier sensor is going to make achieving shallower depth of field harder and the Olympus TG-3 will deliver greater detail having an extra 10MP. Greater resolution can also allow you to crop pics more aggressively. The newer TG-3 should have an advantage in sensor innovation.

Olympus TG-3 vs Pentax K100D S sensor size comparison

Olympus TG-3 vs Pentax K100D S Screen and ViewFinder

Olympus TG-3 vs Pentax K100D S Screen and Viewfinder comparison
Photography Glossary

Photography Type Scores

Portrait Comparison

Olympus TG-3 Portrait photography highlights
Pentax K100D S Portrait photography highlights
37
MP count good (16MP)
provides face detection autofocus
manual focus not available
can't use external flash
sensor is very small (1/2.3")
does not have RAW support
51
has manual focus
sensor size is good (APS-C)
delivers RAW formats
does not have liveview
low resolution (6 megapixels)
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Street Comparison

Olympus TG-3 Street photography highlights
Pentax K100D S Street photography highlights
59
image stabilization (Sensor-shift)
environment sealing
screen does not articulate
sensor is very small (1/2.3")
does not have RAW support
heavier than others in class (247 grams)
64
image stabilization (Sensor based)
sensor size is good (APS-C)
delivers RAW formats
no articulating screen
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Sports Comparison

Olympus TG-3 Sports photography details
Pentax K100D S Sports photography details
47
image stabilization (Sensor-shift)
MP count good (16MP)
provides tracking autofocus
environment sealing
great battery power (330 per charge)
slow continuous shooting (5.0 frames/s)
lack of shutter priority mode
sensor is very small (1/2.3")
does not have phase detect autofocus
47
image stabilization (Sensor based)
sensor size is good (APS-C)
comes with phase detect AF
does not have liveview
continuous shooting slow (3.0 frames per second)
low resolution (6 megapixels)
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Travel Comparison

Olympus TG-3 Travel photography information
Pentax K100D S Travel photography information
74
great battery power (330 shots)
environment sealing
MP count good (16MP)
has built in flash
quite wide (25mm)
fast max aperture (f2.0)
heavier than others in class (247g)
display is not selfie friendly
45
has built in flash
doesn't have Timelapse recording
low resolution (6MP)
does not have a selfie friendly display
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Landscape Comparison

Olympus TG-3 Landscape photography advice
Pentax K100D S Landscape photography advice
56
quite wide (25mm)
fast max aperture (f2.0)
pretty good screen size (3 inches)
image stabilization (Sensor-shift)
MP count good (16 megapixels)
environment sealing
great battery power (330 shots)
manual focus not available
fixed lens (fixed lens mount)
sensor is very small (1/2.3")
does not have RAW support
52
has manual focus
switch lenses (Pentax KAF2 mount)
image stabilization (Sensor based)
sensor size is good (APS-C)
delivers RAW formats
tiny screen (2.5")
does not have liveview
low resolution (6MP)
doesn't have Timelapse recording
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Vlogging Comparison

Vlogging with Olympus TG-3
Vlogging with Pentax K100D S
34
quite wide (25mm)
fast max aperture (f2.0)
image stabilization (Sensor-shift)
provides face detection autofocus
video resolution high (1920 x 1080 resolution)
display is not selfie friendly
does not have external mic socket
heavier than others in class (247g)
9
can't record video
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Olympus TG-3 vs Pentax K100D S Specifications

Detailed spec comparison table for Olympus TG-3 and Pentax K100D S
 Olympus Tough TG-3Pentax K100D Super
General Information
Brand Olympus Pentax
Model type Olympus Tough TG-3 Pentax K100D Super
Type Waterproof Entry-Level DSLR
Announced 2014-03-31 2007-06-28
Physical type Compact Compact SLR
Sensor Information
Powered by TruePic VII -
Sensor type BSI-CMOS CCD
Sensor size 1/2.3" APS-C
Sensor measurements 6.17 x 4.55mm 23.5 x 15.7mm
Sensor surface area 28.1mm² 369.0mm²
Sensor resolution 16MP 6MP
Anti alias filter
Aspect ratio 3:2 3:2
Highest Possible resolution 4608 x 3456 3008 x 2008
Maximum native ISO 6400 3200
Minimum native ISO 100 200
RAW pictures
Autofocusing
Focus manually
AF touch
AF continuous
AF single
Tracking AF
AF selectice
Center weighted AF
Multi area AF
Live view AF
Face detect AF
Contract detect AF
Phase detect AF
Total focus points - 11
Lens
Lens mount type fixed lens Pentax KAF2
Lens zoom range 25-100mm (4.0x) -
Maximal aperture f/2.0-4.9 -
Macro focusing distance 1cm -
Number of lenses - 151
Crop factor 5.8 1.5
Screen
Display type Fixed Type Fixed Type
Display diagonal 3" 2.5"
Display resolution 460k dots 210k dots
Selfie friendly
Liveview
Touch capability
Display tech TFT-LCD -
Viewfinder Information
Viewfinder type None Optical (pentamirror)
Viewfinder coverage - 96 percent
Viewfinder magnification - 0.57x
Features
Minimum shutter speed 4 secs 30 secs
Fastest shutter speed 1/2000 secs 1/4000 secs
Continuous shutter rate 5.0 frames per second 3.0 frames per second
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Custom WB
Image stabilization
Integrated flash
Flash settings Auto, redeye reduction, fill-in, off, LED Auto, On, Off, Red-eye reduction
Hot shoe
AE bracketing
WB bracketing
Fastest flash synchronize - 1/180 secs
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Video resolutions 1920 x 1080 (30p), 1280 x 720 (30p), 640 x 480 (30 fps) -
Maximum video resolution 1920x1080 None
Video data format H.264, Motion JPEG -
Microphone support
Headphone support
Connectivity
Wireless Built-In None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS BuiltIn None
Physical
Environment sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 247 gr (0.54 lbs) 646 gr (1.42 lbs)
Physical dimensions 112 x 66 x 31mm (4.4" x 2.6" x 1.2") 129 x 91 x 71mm (5.1" x 3.6" x 2.8")
DXO scores
DXO Overall rating not tested not tested
DXO Color Depth rating not tested not tested
DXO Dynamic range rating not tested not tested
DXO Low light rating not tested not tested
Other
Battery life 330 images -
Type of battery Battery Pack -
Battery ID LI-92B 4 x AA
Self timer Yes (2 or 12 sec, custom) Yes (2 or 12 sec)
Time lapse shooting
Type of storage SD, SDHC, SDXC, Internal Memory SD/SDHC card
Card slots One One
Price at release $350 $520