Olympus TG-3 vs Pentax K100D S
90 Imaging
40 Features
46 Overall
42


65 Imaging
45 Features
38 Overall
42
Olympus TG-3 vs Pentax K100D S Key Specs
(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
(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

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.

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.

Olympus TG-3 vs Pentax K100D S Gallery
Below is a sample of the gallery pictures for Olympus Tough TG-3 and Pentax K100D Super. The full galleries are available at Olympus TG-3 Gallery and Pentax K100D S Gallery.
Reasons to pick Olympus TG-3 over the Pentax K100D S
TG-3 | K100D S | |||
---|---|---|---|---|
Announced | March 2014 | ![]() | June 2007 | Fresher by 83 months |
Display dimensions | 3" | ![]() | 2.5" | Larger display (+0.5") |
Display resolution | 460k | ![]() | 210k | Clearer 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 type | Fixed | ![]() | 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.
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.

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 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 Screen and ViewFinder


Photography Type Scores
Portrait Comparison

Street Comparison

Sports Comparison

Travel Comparison

Landscape Comparison

Vlogging Comparison

Olympus TG-3 vs Pentax K100D S Specifications
Olympus Tough TG-3 | Pentax 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 |