Olympus TG-850 iHS vs Pentax 645Z
91 Imaging
40 Features
44 Overall
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49 Imaging
80 Features
74 Overall
77
Olympus TG-850 iHS vs Pentax 645Z Key Specs
(Full Review)
- 16MP - 1/2.3" Sensor
- 3" Tilting Display
- ISO 125 - 6400
- Optical Image Stabilization
- 1920 x 1080 video
- 21-105mm (F3.5-5.7) lens
- 218g - 110 x 64 x 28mm
- Launched January 2014
(Full Review)
- 51MP - Medium format Sensor
- 3.2" Tilting Display
- ISO 100 - 204800
- No Anti-Alias Filter
- 1920 x 1080 video
- Pentax 645AF2 Mount
- 1550g - 156 x 117 x 123mm
- Released April 2014
- Superseded the Pentax 645D
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Here is a complete comparison of the Olympus TG-850 iHS vs Pentax 645Z, one being a Waterproof and the other is a Pro DSLR by competitors Olympus and Pentax. There exists a huge gap among the image resolutions of the TG-850 iHS (16MP) and 645Z (51MP) and the TG-850 iHS (1/2.3") and 645Z (Medium format) have different sensor sizing.
Samsung Releases Faster Versions of EVO MicroSD CardsThe TG-850 iHS was revealed 2 months earlier than the 645Z which means that they are both of a similar generation. The two cameras have different body design with the Olympus TG-850 iHS being a Compact camera and the Pentax 645Z being a Large SLR camera.
Before diving right into a more detailed comparison, here is a quick view of how the TG-850 iHS grades vs the 645Z for portability, imaging, features and an overall rating.
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Here is a sample of the gallery pics for Olympus Stylus Tough TG-850 iHS and Pentax 645Z. The full galleries are viewable at Olympus TG-850 iHS Gallery and Pentax 645Z Gallery.
Reasons to pick Olympus TG-850 iHS over the Pentax 645Z
| TG-850 iHS | 645Z |
|---|
Reasons to pick Pentax 645Z over the Olympus TG-850 iHS
| 645Z | TG-850 iHS | |||
|---|---|---|---|---|
| Manually focus |  | Very exact focus | ||
| Display dimensions | 3.2" |  | 3" | Larger display (+0.2") |
| Display resolution | 1037k |  | 460k | Clearer display (+577k dot) |
Common features in the Olympus TG-850 iHS and Pentax 645Z
| TG-850 iHS | 645Z | |||
|---|---|---|---|---|
| Released | January 2014 |  | April 2014 | Same generation |
| Display type | Tilting |  | Tilting | Tilting display |
| Selfie screen |  | Missing selfie screen | ||
| Touch friendly display |  | Missing Touch friendly display |
Olympus TG-850 iHS vs Pentax 645Z Physical Comparison
For those who are aiming to carry your camera frequently, you need to factor in its weight and measurements. The Olympus TG-850 iHS comes with exterior dimensions of 110mm x 64mm x 28mm (4.3" x 2.5" x 1.1") accompanied by a weight of 218 grams (0.48 lbs) whilst the Pentax 645Z has proportions of 156mm x 117mm x 123mm (6.1" x 4.6" x 4.8") having a weight of 1550 grams (3.42 lbs).
Take a look at the Olympus TG-850 iHS vs Pentax 645Z in the new Camera with Lens Size Comparison Tool.
Bear in mind, the weight of an Interchangeable Lens Camera will vary dependant on the lens you are using at that moment. Below is a front view dimension comparison of the TG-850 iHS against the 645Z.
Using dimensions and weight, the portability rating of the TG-850 iHS and 645Z is 91 and 49 respectively.
Olympus TG-850 iHS vs Pentax 645Z Sensor Comparison
Normally, it is tough to visualize the gap in sensor sizing simply by going through a spec sheet. The photograph underneath will give you a clearer sense of the sensor sizes in the TG-850 iHS and 645Z.
Clearly, the 2 cameras provide different megapixels and different sensor sizing. The TG-850 iHS using its smaller sensor is going to make getting shallow DOF more difficult and the Pentax 645Z will produce extra detail because of its extra 35MP. Greater resolution will also help you crop images more aggressively.
Olympus TG-850 iHS vs Pentax 645Z Screen and ViewFinder
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Olympus TG-850 iHS vs Pentax 645Z Specifications
| Olympus Stylus Tough TG-850 iHS | Pentax 645Z | |
|---|---|---|
| General Information | ||
| Brand | Olympus | Pentax |
| Model type | Olympus Stylus Tough TG-850 iHS | Pentax 645Z |
| Class | Waterproof | Pro DSLR |
| Launched | 2014-01-29 | 2014-04-15 |
| Body design | Compact | Large SLR |
| Sensor Information | ||
| Powered by | TruePic VII | PRIME III |
| Sensor type | BSI-CMOS | CMOS |
| Sensor size | 1/2.3" | Medium format |
| Sensor dimensions | 6.17 x 4.55mm | 44 x 33mm |
| Sensor area | 28.1mm² | 1,452.0mm² |
| Sensor resolution | 16 megapixels | 51 megapixels |
| Anti alias filter | ||
| Aspect ratio | - | 4:3 |
| Maximum resolution | 4616 x 3464 | 8256 x 6192 |
| Maximum native ISO | 6400 | 204800 |
| Lowest native ISO | 125 | 100 |
| RAW pictures | ||
| Autofocusing | ||
| Focus manually | ||
| Touch to focus | ||
| Autofocus continuous | ||
| Autofocus single | ||
| Tracking autofocus | ||
| Autofocus selectice | ||
| Center weighted autofocus | ||
| Multi area autofocus | ||
| Live view autofocus | ||
| Face detect autofocus | ||
| Contract detect autofocus | ||
| Phase detect autofocus | ||
| Total focus points | - | 27 |
| Cross type focus points | - | - |
| Lens | ||
| Lens mount type | fixed lens | Pentax 645AF2 |
| Lens zoom range | 21-105mm (5.0x) | - |
| Largest aperture | f/3.5-5.7 | - |
| Number of lenses | - | 6 |
| Crop factor | 5.8 | 0.8 |
| Screen | ||
| Display type | Tilting | Tilting |
| Display size | 3 inches | 3.2 inches |
| Display resolution | 460 thousand dot | 1,037 thousand dot |
| Selfie friendly | ||
| Liveview | ||
| Touch friendly | ||
| Display technology | TFT LCD | - |
| Viewfinder Information | ||
| Viewfinder type | None | Optical (pentaprism) |
| Viewfinder coverage | - | 98% |
| Viewfinder magnification | - | 0.85x |
| Features | ||
| Lowest shutter speed | 1/2s | 30s |
| Highest shutter speed | 1/2000s | 1/4000s |
| Continuous shooting speed | 7.0fps | 3.0fps |
| Shutter priority | ||
| Aperture priority | ||
| Manually set exposure | ||
| Exposure compensation | - | Yes |
| Set white balance | ||
| Image stabilization | ||
| Inbuilt flash | ||
| Flash distance | - | no built-in flash |
| Flash options | - | Flash On, Flash On+Red-eye Reduction, Slow-speed Sync, Slow-speed Sync+Red-eye, P-TTL, Trailing Curtain Sync, contrast-control-sync, high-speed sync, wireless sync |
| External flash | ||
| AEB | ||
| White balance bracketing | ||
| Highest flash sync | - | 1/125s |
| Exposure | ||
| Multisegment | ||
| Average | ||
| Spot | ||
| Partial | ||
| AF area | ||
| Center weighted | ||
| Video features | ||
| Video resolutions | 1920 x 1080 (60p, 30p), 1280 x 720 (60p), 640 x 480 (30 fps) | 1920 x 1080 (60i, 50i, 30p, 25p, 24p), 1280 x 720 (60p, 50p, 30p, 25p,24p) |
| Maximum video resolution | 1920x1080 | 1920x1080 |
| Video file format | H.264, Motion JPEG | MPEG-4, H.264 |
| Mic input | ||
| Headphone input | ||
| Connectivity | ||
| Wireless | Yes | None |
| Bluetooth | ||
| NFC | ||
| HDMI | ||
| USB | USB 2.0 (480 Mbit/sec) | USB 3.0 (5 GBit/sec) |
| GPS | None | Optional |
| Physical | ||
| Environment seal | ||
| Water proofing | ||
| Dust proofing | ||
| Shock proofing | ||
| Crush proofing | ||
| Freeze proofing | ||
| Weight | 218 grams (0.48 lbs) | 1550 grams (3.42 lbs) |
| Physical dimensions | 110 x 64 x 28mm (4.3" x 2.5" x 1.1") | 156 x 117 x 123mm (6.1" x 4.6" x 4.8") |
| DXO scores | ||
| DXO All around rating | not tested | 101 |
| DXO Color Depth rating | not tested | 26.0 |
| DXO Dynamic range rating | not tested | 14.7 |
| DXO Low light rating | not tested | 4505 |
| Other | ||
| Battery life | 330 photos | 650 photos |
| Battery format | Battery Pack | Battery Pack |
| Battery ID | LI-50B | D-LI90 |
| Self timer | Yes (2 sec, 12 sec, Custom Self-Timer (1-30 sec start timer, 1-10 pictures, 1-3 sec interval)) | Yes (2 or 10 secs) |
| Time lapse shooting | ||
| Type of storage | SD, SDHC, SDXC, Internal Memory | Dual SD/SDHC/SDXC slots |
| Storage slots | Single | Dual |
| Retail pricing | $250 | $5,024 |