Olympus TG-3 vs Pentax K-r
90 Imaging
40 Features
46 Overall
42
67 Imaging
52 Features
52 Overall
52
Olympus TG-3 vs Pentax K-r Key Specs
(Full Review)
- 16MP - 1/2.3" Sensor
- 3" Fixed Screen
- ISO 100 - 6400
- Sensor-shift Image Stabilization
- 1920 x 1080 video
- 25-100mm (F2.0-4.9) lens
- 247g - 112 x 66 x 31mm
- Launched March 2014
- Refreshed by Olympus TG-4
(Full Review)
- 12MP - APS-C Sensor
- 3" Fixed Screen
- ISO 200 - 12800 (Boost to 25600)
- Sensor based Image Stabilization
- 1/6000s Maximum Shutter
- 1280 x 720 video
- Pentax KAF2 Mount
- 598g - 125 x 97 x 68mm
- Announced March 2011
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On this page, we will be contrasting the Olympus TG-3 vs Pentax K-r, former being a Waterproof while the latter is a Entry-Level DSLR by competitors Olympus and Pentax. There exists a considerable gap between the image resolutions of the TG-3 (16MP) and K-r (12MP) and the TG-3 (1/2.3") and K-r (APS-C) offer totally different sensor measurements.
Samsung Releases Faster Versions of EVO MicroSD CardsThe TG-3 was manufactured 3 years later than the K-r and that is quite a large difference as far as technology is concerned. Both the cameras have different body design with the Olympus TG-3 being a Compact camera and the Pentax K-r being a Compact SLR camera.
Before delving right into a in-depth comparison, here is a brief summary of how the TG-3 matches up vs the K-r with regard to portability, imaging, features and an overall grade.
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Below is a preview of the gallery photos for Olympus Tough TG-3 & Pentax K-r. The entire galleries are viewable at Olympus TG-3 Gallery & Pentax K-r Gallery.
Reasons to pick Olympus TG-3 over the Pentax K-r
| TG-3 | K-r | |||
|---|---|---|---|---|
| Announced | March 2014 | March 2011 | More recent by 38 months |
Reasons to pick Pentax K-r over the Olympus TG-3
| K-r | TG-3 | |||
|---|---|---|---|---|
| Manually focus | More precise focusing | |||
| Screen resolution | 921k | 460k | Clearer screen (+461k dot) |
Common features in the Olympus TG-3 and Pentax K-r
| TG-3 | K-r | |||
|---|---|---|---|---|
| Screen type | Fixed | Fixed | Fixed screen | |
| Screen dimensions | 3" | 3" | Equal screen measurements | |
| Selfie screen | Neither provides selfie screen | |||
| Touch friendly screen | Lacking Touch friendly screen |
Olympus TG-3 vs Pentax K-r Physical Comparison
For anybody who is planning to lug around your camera regularly, you need to factor its weight and volume. The Olympus TG-3 provides physical measurements of 112mm x 66mm x 31mm (4.4" x 2.6" x 1.2") having a weight of 247 grams (0.54 lbs) whilst the Pentax K-r has sizing of 125mm x 97mm x 68mm (4.9" x 3.8" x 2.7") and a weight of 598 grams (1.32 lbs).
Examine the Olympus TG-3 vs Pentax K-r in our brand new Camera plus Lens Size Comparison Tool.
Remember, the weight of an ILC will vary based on the lens you have chosen at that moment. Here is a front view size comparison of the TG-3 versus the K-r.

Using dimensions and weight, the portability rating of the TG-3 and K-r is 90 and 67 respectively.
Olympus TG-3 vs Pentax K-r Sensor Comparison
Sometimes, it can be tough to envision the contrast between sensor measurements just by reviewing a spec sheet. The visual below will offer you a more clear sense of the sensor measurements in the TG-3 and K-r.
As you can see, the 2 cameras have different resolutions and different sensor measurements. The TG-3 because of its tinier sensor will make achieving shallower depth of field more difficult and the Olympus TG-3 will offer you extra detail due to its extra 4 Megapixels. Higher resolution will also enable you to crop pictures a bit more aggressively. The fresher TG-3 will have an edge when it comes to sensor technology.
Olympus TG-3 vs Pentax K-r Screen and ViewFinder
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Olympus TG-3 vs Pentax K-r Specifications
| Olympus Tough TG-3 | Pentax K-r | |
|---|---|---|
| General Information | ||
| Brand Name | Olympus | Pentax |
| Model | Olympus Tough TG-3 | Pentax K-r |
| Class | Waterproof | Entry-Level DSLR |
| Launched | 2014-03-31 | 2011-03-11 |
| Body design | Compact | Compact SLR |
| Sensor Information | ||
| Chip | TruePic VII | Prime II |
| Sensor type | BSI-CMOS | CMOS |
| Sensor size | 1/2.3" | APS-C |
| Sensor dimensions | 6.17 x 4.55mm | 23.6 x 15.8mm |
| Sensor surface area | 28.1mm² | 372.9mm² |
| Sensor resolution | 16MP | 12MP |
| Anti aliasing filter | ||
| Aspect ratio | 3:2 | 3:2 |
| Max resolution | 4608 x 3456 | 4288 x 2848 |
| Max native ISO | 6400 | 12800 |
| Max enhanced ISO | - | 25600 |
| Min native ISO | 100 | 200 |
| RAW format | ||
| Min enhanced ISO | - | 100 |
| Autofocusing | ||
| Focus manually | ||
| Autofocus touch | ||
| Autofocus continuous | ||
| Autofocus single | ||
| Autofocus tracking | ||
| Autofocus selectice | ||
| Center weighted autofocus | ||
| Multi area autofocus | ||
| Live view autofocus | ||
| Face detection focus | ||
| Contract detection focus | ||
| Phase detection focus | ||
| Number of focus points | - | 11 |
| Cross focus points | - | 9 |
| Lens | ||
| Lens mounting type | fixed lens | Pentax KAF2 |
| Lens focal range | 25-100mm (4.0x) | - |
| Largest aperture | f/2.0-4.9 | - |
| Macro focus range | 1cm | - |
| Amount of lenses | - | 151 |
| Focal length multiplier | 5.8 | 1.5 |
| Screen | ||
| Screen type | Fixed Type | Fixed Type |
| Screen diagonal | 3 inches | 3 inches |
| Resolution of screen | 460k dot | 921k dot |
| Selfie friendly | ||
| Liveview | ||
| Touch function | ||
| Screen technology | TFT-LCD | TFT LCD monitor |
| Viewfinder Information | ||
| Viewfinder | None | Optical (pentamirror) |
| Viewfinder coverage | - | 96 percent |
| Viewfinder magnification | - | 0.57x |
| Features | ||
| Min shutter speed | 4s | 30s |
| Max shutter speed | 1/2000s | 1/6000s |
| Continuous shutter speed | 5.0 frames per second | 6.0 frames per second |
| Shutter priority | ||
| Aperture priority | ||
| Manual exposure | ||
| Exposure compensation | Yes | Yes |
| Set white balance | ||
| Image stabilization | ||
| Inbuilt flash | ||
| Flash range | - | 12.00 m (at ISO 100) |
| Flash options | Auto, redeye reduction, fill-in, off, LED | Auto, Red-eye Reduction, Slow-speed Sync, Trailing Curtain Sync, High-Speed Sync and Wireless Sync |
| Hot shoe | ||
| Auto exposure bracketing | ||
| White balance bracketing | ||
| Max flash sync | - | 1/180s |
| Exposure | ||
| Multisegment metering | ||
| Average metering | ||
| Spot metering | ||
| Partial metering | ||
| AF area metering | ||
| Center weighted metering | ||
| Video features | ||
| Video resolutions | 1920 x 1080 (30p), 1280 x 720 (30p), 640 x 480 (30 fps) | 1280 x 720 (25 fps), 640 x 480 (25 fps) |
| Max video resolution | 1920x1080 | 1280x720 |
| Video file format | H.264, Motion JPEG | Motion JPEG |
| Mic input | ||
| Headphone input | ||
| Connectivity | ||
| Wireless | Built-In | None |
| Bluetooth | ||
| NFC | ||
| HDMI | ||
| USB | USB 2.0 (480 Mbit/sec) | USB 2.0 (480 Mbit/sec) |
| GPS | BuiltIn | Optional |
| Physical | ||
| Environmental seal | ||
| Water proof | ||
| Dust proof | ||
| Shock proof | ||
| Crush proof | ||
| Freeze proof | ||
| Weight | 247g (0.54 pounds) | 598g (1.32 pounds) |
| Physical dimensions | 112 x 66 x 31mm (4.4" x 2.6" x 1.2") | 125 x 97 x 68mm (4.9" x 3.8" x 2.7") |
| DXO scores | ||
| DXO Overall score | not tested | 72 |
| DXO Color Depth score | not tested | 22.9 |
| DXO Dynamic range score | not tested | 12.4 |
| DXO Low light score | not tested | 755 |
| Other | ||
| Battery life | 330 pictures | 470 pictures |
| Battery format | Battery Pack | Battery Pack |
| Battery model | LI-92B | D-LI109,4 x AA |
| Self timer | Yes (2 or 12 sec, custom) | Yes (2 or 12 sec) |
| Time lapse recording | ||
| Type of storage | SD, SDHC, SDXC, Internal Memory | SD/SDHC |
| Storage slots | One | One |
| Launch cost | $350 | $1,100 |