Olympus TG-870 vs Pentax 645D
91 Imaging
41 Features
46 Overall
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50 Imaging
75 Features
52 Overall
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Olympus TG-870 vs Pentax 645D Key Specs
(Full Review)
- 16MP - 1/2.3" Sensor
- 3" Tilting Display
- ISO 125 - 6400 (Boost to 12800)
- Optical Image Stabilization
- 1920 x 1080 video
- 21-105mm (F3.5-5.7) lens
- 221g - 113 x 64 x 28mm
- Introduced January 2016
- Succeeded the Olympus TG-860
(Full Review)
- 40MP - Medium format Sensor
- 3" Fixed Screen
- ISO 200 - 1600
- No Anti-Alias Filter
- No Video
- Pentax 645AF2 Mount
- 1480g - 156 x 117 x 119mm
- Announced March 2010
- Updated by Pentax 645Z
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On this page, we will be looking at the Olympus TG-870 versus Pentax 645D, former being a Ultracompact while the latter is a Pro DSLR by brands Olympus and Pentax. There exists a large gap among the resolutions of the TG-870 (16MP) and 645D (40MP) and the TG-870 (1/2.3") and 645D (Medium format) provide totally different sensor measurements.
Meta to Introduce 'AI-Generated' Labels for Media starting next monthThe TG-870 was manufactured 5 years later than the 645D and that is a fairly serious difference as far as camera technology is concerned. Each of these cameras have different body design with the Olympus TG-870 being a Ultracompact camera and the Pentax 645D being a Large SLR camera.
Before delving right into a step-by-step comparison, here is a concise summary of how the TG-870 grades against the 645D for portability, imaging, features and an overall grade.
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This is a preview of the gallery images for Olympus Stylus Tough TG-870 & Pentax 645D. The entire galleries are available at Olympus TG-870 Gallery & Pentax 645D Gallery.
Reasons to pick Olympus TG-870 over the Pentax 645D
| TG-870 | 645D | |||
|---|---|---|---|---|
| Announced | January 2016 |  | March 2010 | More recent by 71 months |
| Screen type | Tilting |  | Fixed | Tilting screen |
Reasons to pick Pentax 645D over the Olympus TG-870
| 645D | TG-870 | |||
|---|---|---|---|---|
| Focus manually |  | Dial exact focusing |
Common features in the Olympus TG-870 and Pentax 645D
| TG-870 | 645D | |||
|---|---|---|---|---|
| Screen dimensions | 3" |  | 3" | Equal screen measurements |
| Screen resolution | 921k |  | 921k | Exact same screen resolution |
| Selfie screen |  | Lacking selfie screen | ||
| Touch screen |  | Lacking Touch screen |
Olympus TG-870 vs Pentax 645D Physical Comparison
If you're aiming to lug around your camera, you need to factor in its weight and proportions. The Olympus TG-870 features outer dimensions of 113mm x 64mm x 28mm (4.4" x 2.5" x 1.1") accompanied by a weight of 221 grams (0.49 lbs) and the Pentax 645D has measurements of 156mm x 117mm x 119mm (6.1" x 4.6" x 4.7") along with a weight of 1480 grams (3.26 lbs).
Contrast the Olympus TG-870 versus Pentax 645D in our newest Camera & Lens Size Comparison Tool.
Take into consideration, the weight of an ILC will vary dependant on the lens you are utilising at that moment. Here is a front view over all size comparison of the TG-870 versus the 645D.
Considering dimensions and weight, the portability grade of the TG-870 and 645D is 91 and 50 respectively.
Olympus TG-870 vs Pentax 645D Sensor Comparison
Quite often, it is hard to visualise the contrast in sensor measurements just by researching specifications. The visual here will offer you a much better sense of the sensor sizes in the TG-870 and 645D.
To sum up, the two cameras have different resolutions and different sensor measurements. The TG-870 featuring a smaller sensor will make achieving shallow DOF more challenging and the Pentax 645D will result in greater detail due to its extra 24MP. Higher resolution will make it easier to crop photographs a bit more aggressively. The more modern TG-870 will have an advantage with regard to sensor tech.
Olympus TG-870 vs Pentax 645D Screen and ViewFinder
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Olympus TG-870 vs Pentax 645D Specifications
| Olympus Stylus Tough TG-870 | Pentax 645D | |
|---|---|---|
| General Information | ||
| Make | Olympus | Pentax |
| Model type | Olympus Stylus Tough TG-870 | Pentax 645D |
| Class | Ultracompact | Pro DSLR |
| Introduced | 2016-01-06 | 2010-03-10 |
| Body design | Ultracompact | Large SLR |
| Sensor Information | ||
| Powered by | TruePic VII | Prime II |
| Sensor type | BSI-CMOS | CCD |
| Sensor size | 1/2.3" | Medium format |
| Sensor measurements | 6.17 x 4.55mm | 44 x 33mm |
| Sensor area | 28.1mm² | 1,452.0mm² |
| Sensor resolution | 16MP | 40MP |
| Anti alias filter | ||
| Aspect ratio | 1:1, 4:3, 3:2 and 16:9 | 4:3 |
| Highest Possible resolution | 4608 x 3456 | 7264 x 5440 |
| Maximum native ISO | 6400 | 1600 |
| Maximum enhanced ISO | 12800 | - |
| Minimum native ISO | 125 | 200 |
| RAW data | ||
| Minimum enhanced ISO | - | 100 |
| Autofocusing | ||
| Manual focusing | ||
| Touch to focus | ||
| Continuous AF | ||
| AF single | ||
| Tracking AF | ||
| Selective AF | ||
| AF center weighted | ||
| AF multi area | ||
| AF live view | ||
| Face detect focusing | ||
| Contract detect focusing | ||
| Phase detect focusing | ||
| Total focus points | - | 11 |
| Lens | ||
| Lens mount type | fixed lens | Pentax 645AF2 |
| Lens zoom range | 21-105mm (5.0x) | - |
| Max aperture | f/3.5-5.7 | - |
| Macro focusing range | 1cm | - |
| Number of lenses | - | 6 |
| Crop factor | 5.8 | 0.8 |
| Screen | ||
| Display type | Tilting | Fixed Type |
| Display diagonal | 3 inch | 3 inch |
| Resolution of display | 921k dot | 921k dot |
| Selfie friendly | ||
| Liveview | ||
| Touch friendly | ||
| Display tech | - | TFT Color LCD with wide-viewing angle and with AR coating |
| Viewfinder Information | ||
| Viewfinder type | None | Optical (pentaprism) |
| Viewfinder coverage | - | 98 percent |
| Viewfinder magnification | - | 0.85x |
| Features | ||
| Min shutter speed | 4 secs | 30 secs |
| Max shutter speed | 1/2000 secs | 1/4000 secs |
| Continuous shutter speed | 7.0 frames/s | 1.0 frames/s |
| Shutter priority | ||
| Aperture priority | ||
| Manual exposure | ||
| Exposure compensation | - | Yes |
| Set WB | ||
| Image stabilization | ||
| Inbuilt flash | ||
| Flash distance | 4.00 m (at ISO 1600) | no built-in flash |
| Flash settings | Auto, redeye reduction, fill flash, off, LED illuminator | Auto, On, Off, Red-eye, Slow Sync, Rear Curtain |
| External flash | ||
| AE bracketing | ||
| White balance bracketing | ||
| Max flash sync | - | 1/125 secs |
| Exposure | ||
| Multisegment exposure | ||
| Average exposure | ||
| Spot exposure | ||
| Partial exposure | ||
| AF area exposure | ||
| Center weighted exposure | ||
| Video features | ||
| Supported video resolutions | 1920 x 1080 (60p), 1280 x 720 (60p), 640 x 480 (60p) | - |
| Maximum video resolution | 1920x1080 | None |
| Video data format | MPEG-4, H.264 | - |
| Microphone 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 | None |
| Physical | ||
| Environment seal | ||
| Water proofing | ||
| Dust proofing | ||
| Shock proofing | ||
| Crush proofing | ||
| Freeze proofing | ||
| Weight | 221g (0.49 lbs) | 1480g (3.26 lbs) |
| Physical dimensions | 113 x 64 x 28mm (4.4" x 2.5" x 1.1") | 156 x 117 x 119mm (6.1" x 4.6" x 4.7") |
| DXO scores | ||
| DXO Overall rating | not tested | 82 |
| DXO Color Depth rating | not tested | 24.6 |
| DXO Dynamic range rating | not tested | 12.6 |
| DXO Low light rating | not tested | 1262 |
| Other | ||
| Battery life | 300 photos | 800 photos |
| Style of battery | Battery Pack | Battery Pack |
| Battery ID | Li-50B | D-LI90 |
| Self timer | Yes (2 or 10 sec, custom) | Yes (2 or 10 sec) |
| Time lapse shooting | ||
| Storage media | SD/SDHC/SDXC, Internal | SD/SDHC |
| Storage slots | One | Dual |
| Retail price | $280 | $4,000 |