Olympus TG-810 vs Pentax K-7
92 Imaging
37 Features
37 Overall
37
60 Imaging
54 Features
69 Overall
60
Olympus TG-810 vs Pentax K-7 Key Specs
(Full Review)
- 14MP - 1/2.3" Sensor
- 3" Fixed Display
- ISO 80 - 1600
- Sensor-shift Image Stabilization
- 1280 x 720 video
- 28-140mm (F3.9-5.9) lens
- 215g - 100 x 65 x 26mm
- Introduced August 2011
(Full Review)
- 15MP - APS-C Sensor
- 3" Fixed Screen
- ISO 100 - 2000 (Raise to 6400)
- Sensor based Image Stabilization
- 1/8000s Max Shutter
- 1280 x 720 video
- Pentax KAF2 Mount
- 750g - 131 x 97 x 73mm
- Released October 2009
- Renewed by Pentax K-5
Photography Glossary Olympus TG-810 vs Pentax K-7 Overview
Below, we will be comparing the Olympus TG-810 and Pentax K-7, one is a Waterproof and the latter is a Advanced DSLR by manufacturers Olympus and Pentax. The sensor resolution of the TG-810 (14MP) and the K-7 (15MP) is relatively comparable but the TG-810 (1/2.3") and K-7 (APS-C) possess different sensor measurements.
Meta to Introduce 'AI-Generated' Labels for Media starting next monthThe TG-810 was manufactured 23 months after the K-7 which makes the cameras a generation away from one another. Both cameras come with different body type with the Olympus TG-810 being a Compact camera and the Pentax K-7 being a Mid-size SLR camera.
Before we go through a thorough comparison, below is a simple summary of how the TG-810 matches up versus the K-7 in the way of portability, imaging, features and an overall score.
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The following is a preview of the gallery photos for Olympus TG-810 and Pentax K-7. The entire galleries are available at Olympus TG-810 Gallery and Pentax K-7 Gallery.
Reasons to pick Olympus TG-810 over the Pentax K-7
| TG-810 | K-7 | |||
|---|---|---|---|---|
| Released | August 2011 | October 2009 | More modern by 23 months |
Reasons to pick Pentax K-7 over the Olympus TG-810
| K-7 | TG-810 | |||
|---|---|---|---|---|
| Manual focus | More exact focusing | |||
| Screen resolution | 921k | 920k | Sharper screen (+1k dot) |
Common features in the Olympus TG-810 and Pentax K-7
| TG-810 | K-7 | |||
|---|---|---|---|---|
| Screen type | Fixed | Fixed | Fixed screen | |
| Screen dimension | 3" | 3" | Identical screen measurements | |
| Selfie screen | Neither contains selfie screen | |||
| Touch screen | Neither contains Touch screen |
Olympus TG-810 vs Pentax K-7 Physical Comparison
If you are going to carry around your camera regularly, you have to think about its weight and proportions. The Olympus TG-810 has got exterior dimensions of 100mm x 65mm x 26mm (3.9" x 2.6" x 1.0") with a weight of 215 grams (0.47 lbs) and the Pentax K-7 has measurements of 131mm x 97mm x 73mm (5.2" x 3.8" x 2.9") along with a weight of 750 grams (1.65 lbs).
Examine the Olympus TG-810 and Pentax K-7 in the all new Camera and Lens Size Comparison Tool.
Do not forget, the weight of an Interchangeable Lens Camera will vary depending on the lens you are using at the time. Underneath is the front view measurement comparison of the TG-810 and the K-7.

Factoring in dimensions and weight, the portability score of the TG-810 and K-7 is 92 and 60 respectively.
Olympus TG-810 vs Pentax K-7 Sensor Comparison
More often than not, it is tough to visualize the difference in sensor sizes purely by going through specifications. The picture underneath might offer you a clearer sense of the sensor sizes in the TG-810 and K-7.
Plainly, both of these cameras posses different megapixels and different sensor sizes. The TG-810 due to its smaller sensor is going to make getting shallower DOF harder and the Pentax K-7 will show greater detail due to its extra 1MP. Higher resolution will help you crop pictures somewhat more aggressively. The fresher TG-810 provides an edge when it comes to sensor tech.
Olympus TG-810 vs Pentax K-7 Screen and ViewFinder
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Olympus TG-810 vs Pentax K-7 Specifications
| Olympus TG-810 | Pentax K-7 | |
|---|---|---|
| General Information | ||
| Company | Olympus | Pentax |
| Model type | Olympus TG-810 | Pentax K-7 |
| Type | Waterproof | Advanced DSLR |
| Introduced | 2011-08-16 | 2009-10-02 |
| Body design | Compact | Mid-size SLR |
| Sensor Information | ||
| Powered by | TruePic III+ | Prime II |
| Sensor type | CCD | CMOS |
| Sensor size | 1/2.3" | APS-C |
| Sensor dimensions | 6.17 x 4.55mm | 23.4 x 15.6mm |
| Sensor area | 28.1mm² | 365.0mm² |
| Sensor resolution | 14 megapixels | 15 megapixels |
| Anti alias filter | ||
| Aspect ratio | 4:3 and 16:9 | 3:2 |
| Peak resolution | 4288 x 3216 | 4672 x 3104 |
| Highest native ISO | 1600 | 2000 |
| Highest enhanced ISO | - | 6400 |
| Min native ISO | 80 | 100 |
| RAW images | ||
| Autofocusing | ||
| Focus manually | ||
| AF touch | ||
| AF continuous | ||
| AF single | ||
| AF tracking | ||
| Selective AF | ||
| Center weighted AF | ||
| Multi area AF | ||
| AF live view | ||
| Face detect focusing | ||
| Contract detect focusing | ||
| Phase detect focusing | ||
| Total focus points | - | 11 |
| Cross type focus points | - | - |
| Lens | ||
| Lens mount type | fixed lens | Pentax KAF2 |
| Lens zoom range | 28-140mm (5.0x) | - |
| Largest aperture | f/3.9-5.9 | - |
| Macro focusing range | 3cm | - |
| Number of lenses | - | 151 |
| Focal length multiplier | 5.8 | 1.5 |
| Screen | ||
| Display type | Fixed Type | Fixed Type |
| Display diagonal | 3" | 3" |
| Display resolution | 920 thousand dot | 921 thousand dot |
| Selfie friendly | ||
| Liveview | ||
| Touch operation | ||
| Display technology | TFT Hypercrystal III Color LCD | TFT color LCD with AR coating |
| Viewfinder Information | ||
| Viewfinder | None | Optical (pentaprism) |
| Viewfinder coverage | - | 100% |
| Viewfinder magnification | - | 0.61x |
| Features | ||
| Minimum shutter speed | 4 secs | 30 secs |
| Fastest shutter speed | 1/2000 secs | 1/8000 secs |
| Continuous shutter speed | 1.0 frames per second | 5.0 frames per second |
| Shutter priority | ||
| Aperture priority | ||
| Expose Manually | ||
| Exposure compensation | - | Yes |
| Custom WB | ||
| Image stabilization | ||
| Inbuilt flash | ||
| Flash distance | 4.20 m | 13.00 m |
| Flash options | Auto, On, Off, Red-Eye, Fill-in | Auto, On, Off, Red-eye, Slow Sync, Rear Curtain, Wireless |
| Hot shoe | ||
| Auto exposure bracketing | ||
| WB bracketing | ||
| Fastest flash sync | - | 1/180 secs |
| Exposure | ||
| Multisegment exposure | ||
| Average exposure | ||
| Spot exposure | ||
| Partial exposure | ||
| AF area exposure | ||
| Center weighted exposure | ||
| Video features | ||
| Video resolutions | 1280 x 720 (30 fps), 640 x 480 (30 fps), 320 x 180 (30fps) | 1280 x 720 (30 fps), 1536 x 1024 (30 fps), 640 x 480 (30 fps), 320 x 240 (30 fps) |
| Highest video resolution | 1280x720 | 1280x720 |
| Video data format | MPEG-4, H.264 | Motion JPEG |
| Mic jack | ||
| Headphone jack | ||
| Connectivity | ||
| Wireless | Eye-Fi Connected | None |
| Bluetooth | ||
| NFC | ||
| HDMI | ||
| USB | USB 2.0 (480 Mbit/sec) | USB 2.0 (480 Mbit/sec) |
| GPS | BuiltIn | None |
| Physical | ||
| Environmental seal | ||
| Water proofing | ||
| Dust proofing | ||
| Shock proofing | ||
| Crush proofing | ||
| Freeze proofing | ||
| Weight | 215g (0.47 lbs) | 750g (1.65 lbs) |
| Dimensions | 100 x 65 x 26mm (3.9" x 2.6" x 1.0") | 131 x 97 x 73mm (5.2" x 3.8" x 2.9") |
| DXO scores | ||
| DXO Overall rating | not tested | 61 |
| DXO Color Depth rating | not tested | 22.6 |
| DXO Dynamic range rating | not tested | 10.6 |
| DXO Low light rating | not tested | 536 |
| Other | ||
| Battery life | 220 images | 980 images |
| Style of battery | Battery Pack | Battery Pack |
| Battery ID | LI-50B | D-LI90 |
| Self timer | Yes (2 or 12 sec) | Yes (2 or 10 sec) |
| Time lapse recording | ||
| Type of storage | SD/SDHC/SDXC | SD/SDHC/MMC |
| Storage slots | 1 | 1 |
| Retail price | $428 | $599 |