Olympus TG-310 vs Pentax K20D
94 Imaging
37 Features
33 Overall
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59 Imaging
53 Features
52 Overall
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Olympus TG-310 vs Pentax K20D Key Specs
(Full Review)
- 14MP - 1/2.3" Sensor
- 2.7" Fixed Screen
- ISO 80 - 1600
- Sensor-shift Image Stabilization
- 1280 x 720 video
- 28-102mm (F3.9-5.9) lens
- 155g - 96 x 63 x 23mm
- Announced January 2011
(Full Review)
- 15MP - APS-C Sensor
- 2.7" Fixed Display
- ISO 100 - 3200 (Bump to 6400)
- Sensor based Image Stabilization
- No Video
- Pentax KAF2 Mount
- 800g - 142 x 101 x 70mm
- Launched June 2008
- Previous Model is Pentax K10D
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In this write-up, we are contrasting the Olympus TG-310 versus Pentax K20D, one is a Waterproof and the other is a Advanced DSLR by rivals Olympus and Pentax. The sensor resolution of the TG-310 (14MP) and the K20D (15MP) is fairly well matched but the TG-310 (1/2.3") and K20D (APS-C) enjoy different sensor size.
Japan-exclusive Leica Leitz Phone 3 features big sensor and new modesThe TG-310 was manufactured 2 years after the K20D which is quite a significant gap as far as tech is concerned. The two cameras offer different body type with the Olympus TG-310 being a Compact camera and the Pentax K20D being a Mid-size SLR camera.
Before getting in to a thorough comparison, below is a simple highlight of how the TG-310 scores against the K20D in relation to portability, imaging, features and an overall mark.
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Below is a sample of the gallery pictures for Olympus TG-310 and Pentax K20D. The entire galleries are viewable at Olympus TG-310 Gallery and Pentax K20D Gallery.
Reasons to pick Olympus TG-310 over the Pentax K20D
| TG-310 | K20D | |||
|---|---|---|---|---|
| Launched | January 2011 |  | June 2008 | Newer by 31 months |
Reasons to pick Pentax K20D over the Olympus TG-310
| K20D | TG-310 | |||
|---|---|---|---|---|
| Manually focus |  | Very exact focusing |
Common features in the Olympus TG-310 and Pentax K20D
| TG-310 | K20D | |||
|---|---|---|---|---|
| Display type | Fixed |  | Fixed | Fixed display |
| Display sizing | 2.7" |  | 2.7" | Equivalent display size |
| Display resolution | 230k |  | 230k | Exact same display resolution |
| Selfie screen |  | Neither contains selfie screen | ||
| Touch display |  | Neither contains Touch display |
Olympus TG-310 vs Pentax K20D Physical Comparison
In case you're going to travel with your camera frequently, you need to take into account its weight and proportions. The Olympus TG-310 has got exterior dimensions of 96mm x 63mm x 23mm (3.8" x 2.5" x 0.9") accompanied by a weight of 155 grams (0.34 lbs) whilst the Pentax K20D has measurements of 142mm x 101mm x 70mm (5.6" x 4.0" x 2.8") accompanied by a weight of 800 grams (1.76 lbs).
Compare the Olympus TG-310 versus Pentax K20D in the new Camera and Lens Size Comparison Tool.
Keep in mind, the weight of an Interchangeable Lens Camera will differ based on the lens you have at that time. Following is the front view measurements comparison of the TG-310 compared to the K20D.
Factoring in size and weight, the portability grade of the TG-310 and K20D is 94 and 59 respectively.
Olympus TG-310 vs Pentax K20D Sensor Comparison
Often, it is difficult to visualize the gap between sensor dimensions only by checking technical specs. The picture underneath will help offer you a far better sense of the sensor sizes in the TG-310 and K20D.
As you can tell, each of the cameras enjoy different megapixel count and different sensor dimensions. The TG-310 featuring a tinier sensor is going to make shooting bokeh harder and the Pentax K20D will resolve more detail due to its extra 1 Megapixels. Greater resolution will allow you to crop photos far more aggressively. The younger TG-310 should have an edge with regard to sensor innovation.
Olympus TG-310 vs Pentax K20D Screen and ViewFinder
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Olympus TG-310 vs Pentax K20D Specifications
| Olympus TG-310 | Pentax K20D | |
|---|---|---|
| General Information | ||
| Make | Olympus | Pentax |
| Model type | Olympus TG-310 | Pentax K20D |
| Type | Waterproof | Advanced DSLR |
| Announced | 2011-01-06 | 2008-06-25 |
| Body design | Compact | Mid-size SLR |
| Sensor Information | ||
| Chip | TruePic III+ | - |
| Sensor type | CCD | CMOS |
| Sensor size | 1/2.3" | APS-C |
| Sensor measurements | 6.17 x 4.55mm | 23.4 x 15.6mm |
| Sensor area | 28.1mm² | 365.0mm² |
| Sensor resolution | 14MP | 15MP |
| Anti alias filter | ||
| Aspect ratio | - | 3:2 |
| Highest Possible resolution | 4288 x 3216 | 4672 x 3104 |
| Maximum native ISO | 1600 | 3200 |
| Maximum enhanced ISO | - | 6400 |
| Lowest native ISO | 80 | 100 |
| RAW pictures | ||
| Autofocusing | ||
| Focus manually | ||
| Touch to focus | ||
| Continuous AF | ||
| AF single | ||
| Tracking AF | ||
| Selective AF | ||
| Center weighted AF | ||
| AF multi area | ||
| AF live view | ||
| Face detection focusing | ||
| Contract detection focusing | ||
| Phase detection focusing | ||
| Total focus points | - | 11 |
| Cross type focus points | - | - |
| Lens | ||
| Lens mount type | fixed lens | Pentax KAF2 |
| Lens zoom range | 28-102mm (3.6x) | - |
| Largest aperture | f/3.9-5.9 | - |
| Macro focusing range | 3cm | - |
| Amount of lenses | - | 151 |
| Crop factor | 5.8 | 1.5 |
| Screen | ||
| Screen type | Fixed Type | Fixed Type |
| Screen size | 2.7 inch | 2.7 inch |
| Resolution of screen | 230 thousand dot | 230 thousand dot |
| Selfie friendly | ||
| Liveview | ||
| Touch function | ||
| Screen tech | TFT Color LCD | - |
| Viewfinder Information | ||
| Viewfinder type | None | Optical (pentaprism) |
| Viewfinder coverage | - | 95% |
| Viewfinder magnification | - | 0.64x |
| Features | ||
| Min shutter speed | 4 seconds | 30 seconds |
| Max shutter speed | 1/2000 seconds | 1/4000 seconds |
| Continuous shutter speed | 1.0 frames/s | 3.0 frames/s |
| Shutter priority | ||
| Aperture priority | ||
| Expose Manually | ||
| Exposure compensation | - | Yes |
| Custom WB | ||
| Image stabilization | ||
| Integrated flash | ||
| Flash distance | 4.20 m | 13.00 m (at ISO 100) |
| Flash settings | Auto, On, Off, Red-Eye, Fill-in | Auto, Red-Eye, Slow, Red-Eye Slow, Rear curtain, wireless |
| External flash | ||
| Auto exposure bracketing | ||
| White balance bracketing | ||
| Max flash sync | - | 1/180 seconds |
| Exposure | ||
| Multisegment | ||
| Average | ||
| Spot | ||
| Partial | ||
| AF area | ||
| Center weighted | ||
| Video features | ||
| Video resolutions | 1280 x 720 (30 fps), 640 x 480 (30 fps), 320 x 180 (30fps) | - |
| Maximum video resolution | 1280x720 | None |
| Video file format | Motion JPEG | - |
| Microphone input | ||
| Headphone input | ||
| Connectivity | ||
| Wireless | Eye-Fi Connected | None |
| Bluetooth | ||
| NFC | ||
| HDMI | ||
| USB | USB 2.0 (480 Mbit/sec) | USB 2.0 (480 Mbit/sec) |
| GPS | None | None |
| Physical | ||
| Environment seal | ||
| Water proofing | ||
| Dust proofing | ||
| Shock proofing | ||
| Crush proofing | ||
| Freeze proofing | ||
| Weight | 155g (0.34 lbs) | 800g (1.76 lbs) |
| Dimensions | 96 x 63 x 23mm (3.8" x 2.5" x 0.9") | 142 x 101 x 70mm (5.6" x 4.0" x 2.8") |
| DXO scores | ||
| DXO Overall rating | not tested | 65 |
| DXO Color Depth rating | not tested | 22.9 |
| DXO Dynamic range rating | not tested | 11.1 |
| DXO Low light rating | not tested | 639 |
| Other | ||
| Battery life | 150 shots | - |
| Type of battery | Battery Pack | - |
| Battery ID | LI-42B | D-LI50 |
| Self timer | Yes (2 or 12 sec) | Yes (2 or 10 sec) |
| Time lapse shooting | ||
| Type of storage | SD/SDHC/SDXC | SD/MMC/SDHC card |
| Storage slots | 1 | 1 |
| Pricing at release | $0 | $700 |