Olympus TG-5 vs Pentax K100D
90 Imaging
37 Features
51 Overall
42
64 Imaging
44 Features
36 Overall
40
Olympus TG-5 vs Pentax K100D Key Specs
(Full Review)
- 12MP - 1/2.3" Sensor
- 3" Fixed Display
- ISO 100 - 12800 (Boost to 12800)
- Sensor-shift Image Stabilization
- 3840 x 2160 video
- 25-100mm (F2.0-4.9) lens
- 250g - 113 x 66 x 32mm
- Released May 2017
- Replaced the Olympus TG-4
- Updated by Olympus TG-6
(Full Review)
- 6MP - APS-C Sensor
- 2.5" Fixed Screen
- ISO 200 - 3200
- Sensor based Image Stabilization
- No Video
- Pentax KAF Mount
- 660g - 129 x 93 x 70mm
- Launched December 2006
- Successor is Pentax K100D S
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On this page, we will be comparing the Olympus TG-5 vs Pentax K100D, former being a Waterproof while the latter is a Entry-Level DSLR by manufacturers Olympus and Pentax. There is a substantial difference among the image resolutions of the TG-5 (12MP) and K100D (6MP) and the TG-5 (1/2.3") and K100D (APS-C) boast different sensor sizing.
Pentax 17 Pre-Orders Outperform Expectations by a LandslideThe TG-5 was announced 10 years later than the K100D and that is a fairly big difference as far as camera tech is concerned. Both of the cameras have different body design with the Olympus TG-5 being a Compact camera and the Pentax K100D being a Compact SLR camera.
Before we go straight to a comprehensive comparison, here is a brief summation of how the TG-5 scores vs the K100D with regard to portability, imaging, features and an overall rating.
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This is a preview of the gallery photos for Olympus Tough TG-5 & Pentax K100D. The whole galleries are provided at Olympus TG-5 Gallery & Pentax K100D Gallery.
Reasons to pick Olympus TG-5 over the Pentax K100D
| TG-5 | K100D | |||
|---|---|---|---|---|
| Launched | May 2017 | December 2006 | Fresher by 128 months | |
| Screen dimensions | 3" | 2.5" | Bigger screen (+0.5") | |
| Screen resolution | 460k | 210k | Clearer screen (+250k dot) |
Reasons to pick Pentax K100D over the Olympus TG-5
| K100D | TG-5 |
|---|
Common features in the Olympus TG-5 and Pentax K100D
| TG-5 | K100D | |||
|---|---|---|---|---|
| Manual focus | Dial exact focus | |||
| Screen type | Fixed | Fixed | Fixed screen | |
| Selfie screen | Neither has selfie screen | |||
| Touch screen | Neither has Touch screen |
Olympus TG-5 vs Pentax K100D Physical Comparison
If you are looking to carry your camera frequently, you have to take into account its weight and proportions. The Olympus TG-5 has exterior dimensions of 113mm x 66mm x 32mm (4.4" x 2.6" x 1.3") with a weight of 250 grams (0.55 lbs) while the Pentax K100D has measurements of 129mm x 93mm x 70mm (5.1" x 3.7" x 2.8") having a weight of 660 grams (1.46 lbs).
Check out the Olympus TG-5 vs Pentax K100D in our completely new Camera & Lens Size Comparison Tool.
Do not forget, the weight of an ILC will change based on the lens you select at the time. Underneath is a front view measurements comparison of the TG-5 vs the K100D.

Using size and weight, the portability grade of the TG-5 and K100D is 90 and 64 respectively.
Olympus TG-5 vs Pentax K100D Sensor Comparison
Generally, it is very difficult to picture the difference in sensor sizing just by viewing technical specs. The photograph underneath may offer you a more clear sense of the sensor dimensions in the TG-5 and K100D.
As you have seen, each of the cameras provide different megapixels and different sensor sizing. The TG-5 using its smaller sensor is going to make achieving shallower depth of field tougher and the Olympus TG-5 will provide you with greater detail with its extra 6MP. Higher resolution will let you crop pictures more aggressively. The more recent TG-5 should have an advantage with regard to sensor innovation.
Olympus TG-5 vs Pentax K100D Screen and ViewFinder
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Olympus TG-5 vs Pentax K100D Specifications
| Olympus Tough TG-5 | Pentax K100D | |
|---|---|---|
| General Information | ||
| Company | Olympus | Pentax |
| Model type | Olympus Tough TG-5 | Pentax K100D |
| Type | Waterproof | Entry-Level DSLR |
| Released | 2017-05-17 | 2006-12-03 |
| Physical type | Compact | Compact SLR |
| Sensor Information | ||
| Chip | TruePic VIII | - |
| Sensor type | BSI-CMOS | CCD |
| Sensor size | 1/2.3" | APS-C |
| Sensor dimensions | 6.17 x 4.55mm | 23.5 x 15.7mm |
| Sensor surface area | 28.1mm² | 369.0mm² |
| Sensor resolution | 12 megapixel | 6 megapixel |
| Anti alias filter | ||
| Aspect ratio | 1:1, 4:3, 3:2 and 16:9 | 3:2 |
| Highest Possible resolution | 4000 x 3000 | 3008 x 2008 |
| Maximum native ISO | 12800 | 3200 |
| Maximum enhanced ISO | 12800 | - |
| Lowest native ISO | 100 | 200 |
| RAW pictures | ||
| Lowest enhanced ISO | 100 | - |
| Autofocusing | ||
| Focus manually | ||
| Touch focus | ||
| Continuous AF | ||
| AF single | ||
| Tracking AF | ||
| AF selectice | ||
| AF center weighted | ||
| AF multi area | ||
| Live view AF | ||
| Face detect AF | ||
| Contract detect AF | ||
| Phase detect AF | ||
| Total focus points | 25 | 11 |
| Lens | ||
| Lens support | fixed lens | Pentax KAF |
| Lens zoom range | 25-100mm (4.0x) | - |
| Highest aperture | f/2.0-4.9 | - |
| Macro focusing distance | 1cm | - |
| Amount of lenses | - | 151 |
| Crop factor | 5.8 | 1.5 |
| Screen | ||
| Display type | Fixed Type | Fixed Type |
| Display diagonal | 3 inch | 2.5 inch |
| Resolution of display | 460 thousand dots | 210 thousand dots |
| Selfie friendly | ||
| Liveview | ||
| Touch functionality | ||
| Viewfinder Information | ||
| Viewfinder | None | Optical (pentamirror) |
| Viewfinder coverage | - | 96% |
| Viewfinder magnification | - | 0.57x |
| Features | ||
| Min shutter speed | 4s | 30s |
| Max shutter speed | 1/2000s | 1/4000s |
| Continuous shutter rate | 20.0 frames/s | 3.0 frames/s |
| Shutter priority | ||
| Aperture priority | ||
| Manually set exposure | ||
| Exposure compensation | - | Yes |
| Set WB | ||
| Image stabilization | ||
| Inbuilt flash | ||
| Flash options | Auto, redeye reduction, slow sync, redeye slow sync, fill, manual, off | Auto, On, Off, Red-eye reduction |
| External flash | ||
| AEB | ||
| White balance bracketing | ||
| Max flash synchronize | - | 1/180s |
| Exposure | ||
| Multisegment exposure | ||
| Average exposure | ||
| Spot exposure | ||
| Partial exposure | ||
| AF area exposure | ||
| Center weighted exposure | ||
| Video features | ||
| Video resolutions | 3840 x 2160 @ 30p / 102 Mbps, MOV, H.264, Linear PCM | - |
| Maximum video resolution | 3840x2160 | None |
| Video file format | MPEG-4, H.264 | - |
| Mic port | ||
| Headphone port | ||
| Connectivity | ||
| Wireless | Built-In | None |
| Bluetooth | ||
| NFC | ||
| HDMI | ||
| USB | USB 2.0 (480 Mbit/sec) | USB 2.0 (480 Mbit/sec) |
| GPS | Built-in | None |
| Physical | ||
| Environment sealing | ||
| Water proofing | ||
| Dust proofing | ||
| Shock proofing | ||
| Crush proofing | ||
| Freeze proofing | ||
| Weight | 250 grams (0.55 lbs) | 660 grams (1.46 lbs) |
| Physical dimensions | 113 x 66 x 32mm (4.4" x 2.6" x 1.3") | 129 x 93 x 70mm (5.1" x 3.7" 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 | 340 pictures | - |
| Battery type | Battery Pack | - |
| Battery ID | LI-92B | 4 x AA |
| Self timer | Yes (2 or 12 secs, custom) | Yes (2 or 12 sec) |
| Time lapse feature | ||
| Type of storage | SD/SDHC/SDXC card (UHS-I compatible) | SD/MMC card |
| Card slots | 1 | 1 |
| Pricing at release | $449 | $0 |