Olympus TG-4 vs Pentax 645Z
90 Imaging
41 Features
51 Overall
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49 Imaging
81 Features
74 Overall
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Olympus TG-4 vs Pentax 645Z 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
- Announced April 2015
- Earlier Model is Olympus TG-3
- Updated by Olympus TG-5
(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
- Launched April 2014
- Earlier Model is Pentax 645D
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On this page, we are matching up the Olympus TG-4 vs Pentax 645Z, former being a Waterproof while the other is a Pro DSLR by manufacturers Olympus and Pentax. There exists a noticeable gap between the sensor resolutions of the TG-4 (16MP) and 645Z (51MP) and the TG-4 (1/2.3") and 645Z (Medium format) boast totally different sensor sizes.
Photography GlossaryThe TG-4 was brought out 13 months later than the 645Z making them a generation apart from one another. Both of these cameras have different body design with the Olympus TG-4 being a Compact camera and the Pentax 645Z being a Large SLR camera.
Before going straight to a in-depth comparison, here is a brief overview of how the TG-4 scores against the 645Z in regards to portability, imaging, features and an overall grade.
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Following is a sample of the gallery pics for Olympus Tough TG-4 & Pentax 645Z. The entire galleries are viewable at Olympus TG-4 Gallery & Pentax 645Z Gallery.
Reasons to pick Olympus TG-4 over the Pentax 645Z
| TG-4 | 645Z | |||
|---|---|---|---|---|
| Launched | April 2015 |  | April 2014 | More recent by 13 months |
Reasons to pick Pentax 645Z over the Olympus TG-4
| 645Z | TG-4 | |||
|---|---|---|---|---|
| Display type | Tilting |  | Fixed | Tilting display |
| Display dimensions | 3.2" |  | 3" | Larger display (+0.2") |
| Display resolution | 1037k |  | 460k | Crisper display (+577k dot) |
Common features in the Olympus TG-4 and Pentax 645Z
| TG-4 | 645Z | |||
|---|---|---|---|---|
| Focus manually |  | Very precise focusing | ||
| Selfie screen |  | Lack of selfie screen | ||
| Touch display |  | Lack of Touch display |
Olympus TG-4 vs Pentax 645Z Physical Comparison
In case you're aiming to lug around your camera often, you'll have to factor its weight and volume. The Olympus TG-4 offers exterior dimensions of 112mm x 66mm x 31mm (4.4" x 2.6" x 1.2") with a weight of 247 grams (0.54 lbs) whilst the Pentax 645Z has sizing of 156mm x 117mm x 123mm (6.1" x 4.6" x 4.8") having a weight of 1550 grams (3.42 lbs).
Analyze the Olympus TG-4 vs Pentax 645Z in our brand new Camera plus Lens Size Comparison Tool.
Keep in mind, the weight of an ILC will change based on the lens you are utilising at that time. Underneath is a front view scale comparison of the TG-4 against the 645Z.
Considering dimensions and weight, the portability rating of the TG-4 and 645Z is 90 and 49 respectively.
Olympus TG-4 vs Pentax 645Z Sensor Comparison
Normally, it can be tough to see the difference between sensor measurements merely by going over technical specs. The photograph underneath should give you a more clear sense of the sensor dimensions in the TG-4 and 645Z.
As you have seen, both the cameras have different resolutions and different sensor measurements. The TG-4 due to its tinier sensor will make achieving shallower depth of field more difficult and the Pentax 645Z will offer you more detail having its extra 35 Megapixels. Greater resolution will also enable you to crop images a bit more aggressively. The more modern TG-4 will have an advantage with regard to sensor innovation.
Olympus TG-4 vs Pentax 645Z Screen and ViewFinder
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Olympus TG-4 vs Pentax 645Z Specifications
| Olympus Tough TG-4 | Pentax 645Z | |
|---|---|---|
| General Information | ||
| Brand Name | Olympus | Pentax |
| Model type | Olympus Tough TG-4 | Pentax 645Z |
| Category | Waterproof | Pro DSLR |
| Announced | 2015-04-13 | 2014-04-15 |
| Body design | Compact | Large SLR |
| Sensor Information | ||
| Processor Chip | 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 | 1:1, 4:3, 3:2 and 16:9 | 4:3 |
| Highest Possible resolution | 4608 x 3456 | 8256 x 6192 |
| Maximum native ISO | 6400 | 204800 |
| Lowest native ISO | 100 | 100 |
| RAW format | ||
| Autofocusing | ||
| Manual focusing | ||
| Autofocus touch | ||
| Autofocus continuous | ||
| Autofocus single | ||
| Autofocus tracking | ||
| Autofocus selectice | ||
| Center weighted autofocus | ||
| Multi area autofocus | ||
| Live view autofocus | ||
| Face detection autofocus | ||
| Contract detection autofocus | ||
| Phase detection autofocus | ||
| Total focus points | 25 | 27 |
| Lens | ||
| Lens mount type | fixed lens | Pentax 645AF2 |
| Lens zoom range | 25-100mm (4.0x) | - |
| Highest aperture | f/2.0-4.9 | - |
| Macro focusing range | 1cm | - |
| Total lenses | - | 6 |
| Crop factor | 5.8 | 0.8 |
| Screen | ||
| Range of screen | Fixed Type | Tilting |
| Screen sizing | 3 inches | 3.2 inches |
| Resolution of screen | 460 thousand dot | 1,037 thousand dot |
| Selfie friendly | ||
| Liveview | ||
| Touch function | ||
| Viewfinder Information | ||
| Viewfinder type | None | Optical (pentaprism) |
| Viewfinder coverage | - | 98% |
| Viewfinder magnification | - | 0.85x |
| Features | ||
| Min shutter speed | 4s | 30s |
| Max shutter speed | 1/2000s | 1/4000s |
| Continuous shutter speed | 5.0 frames/s | 3.0 frames/s |
| Shutter priority | ||
| Aperture priority | ||
| Manual exposure | ||
| Exposure compensation | - | Yes |
| Custom white balance | ||
| Image stabilization | ||
| Integrated flash | ||
| Flash distance | 7.90 m (at ISO 1600) | no built-in flash |
| Flash settings | Auto, redeye reduction, fill-in, off, LED | 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 |
| Hot shoe | ||
| AEB | ||
| WB bracketing | ||
| Max flash sync | - | 1/125s |
| Exposure | ||
| Multisegment exposure | ||
| Average exposure | ||
| Spot exposure | ||
| Partial exposure | ||
| AF area exposure | ||
| Center weighted exposure | ||
| Video features | ||
| Supported video resolutions | 1920 x 1080 (30p), 1280 x 720 (30p), 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 | Built-In | None |
| Bluetooth | ||
| NFC | ||
| HDMI | ||
| USB | USB 2.0 (480 Mbit/sec) | USB 3.0 (5 GBit/sec) |
| GPS | BuiltIn | Optional |
| Physical | ||
| Environment seal | ||
| Water proofing | ||
| Dust proofing | ||
| Shock proofing | ||
| Crush proofing | ||
| Freeze proofing | ||
| Weight | 247 grams (0.54 pounds) | 1550 grams (3.42 pounds) |
| Physical dimensions | 112 x 66 x 31mm (4.4" x 2.6" x 1.2") | 156 x 117 x 123mm (6.1" x 4.6" x 4.8") |
| DXO scores | ||
| DXO Overall 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 | 380 pictures | 650 pictures |
| Battery format | Battery Pack | Battery Pack |
| Battery ID | LI-92B | D-LI90 |
| Self timer | Yes (2 or 12 sec, custom) | Yes (2 or 10 secs) |
| Time lapse feature | ||
| Storage media | SD, SDHC, SDXC, Internal Memory | Dual SD/SDHC/SDXC slots |
| Storage slots | 1 | Two |
| Launch price | $379 | $5,024 |
