Olympus TG-4 vs Pentax 645Z
The Olympus Tough TG-4 and the Pentax 645Z are two digital cameras that were revealed to the public, respectively, in April 2015 and April 2014. The TG-4 is a fixed lens compact, while the 645Z is a DSLR. The cameras are based on a 1/2.3-inch (TG-4) and a medium format (645Z) sensor. The Olympus has a resolution of 15.9 megapixels, whereas the Pentax provides 51.1 MP.
Below is an overview of the main specs of the two cameras as a starting point for the comparison.
|Olympus TG-4||Pentax 645Z|
|Fixed lens compact camera||Digital single lens reflex|
|25-100mm f/2.0-4.9||Pentax 645 mount lenses|
|15.9 MP, 1/2.3" Sensor||51.1 MP, Medium Format Sensor|
|1080/30p Video||1080/60i Video|
|ISO 100-6400||ISO 100-204800|
|No viewfinder, LCD framing||Optical viewfinder|
|3.0" LCD, 460k dots||3.2" LCD, 1037k dots|
|Fixed screen (not touch-sensitive)||Tilting screen (not touch-sensitive)|
|5 shutter flaps per second||3 shutter flaps per second|
|In-body stabilization||Lens stabilization only|
|Waterproof body (nom)||Weathersealed body|
|380 shots per battery charge||650 shots per battery charge|
|112 x 66 x 31 mm, 247 g||156 x 117 x 123 mm, 1550 g|
Going beyond this snapshot of core features and characteristics, what are the differences between the Olympus Tough TG-4 and the Pentax 645Z? Which one should you buy? Read on to find out how these two cameras compare with respect to their body size, their imaging sensors, their shooting features, their input-output connections, and their reception by expert reviewers.
An illustration of the physical size and weight of the Olympus TG-4 and the Pentax 645Z is provided in the side-by-side display below. The two cameras are presented according to their relative size. Three consecutive perspectives from the front, the top, and the back are available. All size dimensions are rounded to the nearest millimeter.
The TG-4 can be obtained in two different colors (black, red), while the 645Z is only available in black.
If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Pentax 645Z is considerably larger (147 percent) than the Olympus TG-4. In this context, it is worth noting that both cameras are splash and dust-proof and can, hence, be used in inclement weather conditions or harsh environments. More than that, the TG-4 is water-proof up to 15m and can, thus, be used for underwater photography.
The above size and weight comparisons are to some extent incomplete and possibly misleading, as the TG-4 has a lens built in, whereas the 645Z is an interchangeable lens camera that requires a separate lens. Attaching the latter will add extra weight and bulk to the setup.
Concerning battery life, the TG-4 gets 380 shots out of its LI-92B battery, while the 645Z can take 650 images on a single charge of its D-LI90 power pack. The power pack in the TG-4 can be charged via the USB port, so that it is not always necessary to take the battery charger along when travelling.
The adjacent table lists the principal physical characteristics of the two cameras alongside a wider set of alternatives. If you would like to visualize and compare a different camera combination, just use the right or left arrows in the table to switch to the respective camera. Alternatively, you can also navigate to the CAM-parator app and make your selection from the full list of cameras there.
|Olympus TG-4»||4.4 in||2.6 in||1.2 in||8.7 oz||380||Y||Apr 2015||379||Olympus TG-4|
|Pentax 645Z«||6.1 in||4.6 in||4.8 in||54.7 oz||650||Y||Apr 2014||8,499||Pentax 645Z|
|Canon 5DS« »||6.0 in||4.6 in||3.0 in||32.8 oz||700||Y||Feb 2015||3,699||Canon 5DS|
|Canon 5DS R« »||6.0 in||4.6 in||3.0 in||32.8 oz||700||Y||Feb 2015||3,699||Canon 5DS R|
|Canon SX700« »||4.4 in||2.6 in||1.4 in||9.5 oz||250||n||Feb 2014||349||Canon SX700|
|Fujifilm XP140« »||4.3 in||2.8 in||1.1 in||7.3 oz||240||Y||Feb 2019||229||Fujifilm XP140|
|Fujifilm XP130« »||4.3 in||2.8 in||1.1 in||7.3 oz||240||n||Jan 2018||229||Fujifilm XP130|
|Fujifilm XP120« »||4.3 in||2.8 in||1.1 in||7.2 oz||210||Y||Jan 2017||229||Fujifilm XP120|
|Hasselblad X1D« »||5.9 in||3.9 in||2.8 in||25.6 oz||..||Y||Jun 2016||8,995||Hasselblad X1D|
|Leica SL« »||5.8 in||4.1 in||1.5 in||29.9 oz||400||Y||Oct 2015||7,450||Leica SL|
|Nikon W300« »||4.4 in||2.6 in||1.1 in||8.1 oz||280||Y||May 2017||389||Nikon W300|
|Olympus TG-6« »||4.4 in||2.6 in||1.3 in||8.9 oz||340||Y||May 2019||449||Olympus TG-6|
|Olympus TG-5« »||4.4 in||2.6 in||1.3 in||8.8 oz||340||Y||May 2017||449||Olympus TG-5|
|Olympus E-M5 II« »||4.9 in||3.3 in||1.8 in||16.5 oz||310||Y||Feb 2015||1,099||Olympus E-M5 II|
|Pentax 645D« »||6.1 in||4.6 in||4.7 in||52.2 oz||800||Y||Mar 2010||9,995||Pentax 645D|
|Sony HX80« »||4.0 in||2.3 in||1.4 in||8.6 oz||390||n||Mar 2016||349||Sony HX80|
|Sony HX90V« »||4.0 in||2.3 in||1.4 in||8.6 oz||360||n||Apr 2015||429||Sony HX90V|
|Note: Measurements and pricing do not include easily detachable parts, such as interchangeable lenses or optional viewfinders.|
Any camera decision will naturally be influenced heavily by the price. The manufacturer’s suggested retail prices give an idea on the placement of the camera in the maker’s lineup and the broader market. The TG-4 was launched at a lower price than the 645Z, despite having a lens built in. Usually, retail prices stay at first close to the launch price, but after several months, discounts become available. Later in the product cycle and, in particular, when the replacement model is about to appear, further discounting and stock clearance sales often push the camera price considerably down. Then, after the new model is out, very good deals can frequently be found on the pre-owned market.
The size of the sensor inside a digital camera is one of the key determinants of image quality. A large sensor will generally have larger individual pixels that offer better low-light sensitivity, provide wider dynamic range, and have richer color-depth than smaller pixels in a sensor of the same technological generation. Further, a large sensor camera will give the photographer additional creative options when using shallow depth-of-field to isolate a subject from its background. On the downside, larger sensors tend to be more expensive and lead to bigger and heavier cameras and lenses.
Of the two cameras under consideration, the Olympus TG-4 features a 1/2.3-inch sensor and the Pentax 645Z a medium format sensor. The sensor area in the 645Z is 5032 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 5.6 and 0.79. Both cameras feature a native aspect ratio (sensor width to sensor height) of 4:3.
With 51.1MP, the 645Z offers a higher resolution than the TG-4 (15.9MP), but the 645Z nevertheless has larger individual pixels (pixel pitch of 5.30μm versus 1.33μm for the TG-4) due to its larger sensor. However, the TG-4 is a somewhat more recent model (by 11 months) than the 645Z, and its sensor might have benefitted from technological advances during this time that enhance the light gathering capacity of its pixel-units. Coming back to sensor resolution, it should be mentioned that the 645Z has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.
The resolution advantage of the Pentax 645Z implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the 645Z for good quality output (200 dots per inch) amounts to 41.3 x 31 inch or 104.9 x 78.6 cm, for very good quality (250 dpi) 33 x 24.8 inch or 83.9 x 62.9 cm, and for excellent quality (300 dpi) 27.5 x 20.6 inch or 69.9 x 52.4 cm. The corresponding values for the Olympus TG-4 are 23 x 17.3 inch or 58.5 x 43.9 cm for good quality, 18.4 x 13.8 inch or 46.8 x 35.1 cm for very good quality, and 15.4 x 11.5 inch or 39 x 29.3 cm for excellent quality prints.
The Olympus Tough TG-4 has a native sensitivity range from ISO 100 to ISO 6400. The corresponding ISO settings for the Pentax 645Z are ISO 100 to ISO 204800 (no boost).
For many cameras, data on sensor performance has been reported by DXO Mark. This service assesses and scores the color depth ("DXO Portrait"), dynamic range ("DXO Landscape"), and low-light sensitivity ("DXO Sports") of camera sensors, and also publishes an overall camera score. The adjacent table reports on the physical sensor characteristics and the outcomes of the DXO sensor quality tests for a sample of comparator-cameras.
|Olympus TG-4||1/2.3||15.9||4608||3456||1080/30p||..||..||..||..||Olympus TG-4|
|Pentax 645Z||Medium Format||51.1||8256||6192||1080/60i||26.0||14.7||4505||101||Pentax 645Z|
|Canon 5DS||Full Frame||50.3||8688||5792||1080/30p||24.7||12.4||2381||87||Canon 5DS|
|Canon 5DS R||Full Frame||50.3||8688||5792||1080/30p||24.6||12.4||2308||86||Canon 5DS R|
|Canon SX700||1/2.3||15.9||4608||3456||1080/60p||..||..||..||..||Canon SX700|
|Fujifilm XP140||1/2.3||15.9||4608||3456||4K/15p||..||..||..||..||Fujifilm XP140|
|Fujifilm XP130||1/2.3||15.9||4608||3456||1080/60p||..||..||..||..||Fujifilm XP130|
|Fujifilm XP120||1/2.3||15.9||4608||3456||1080/60p||..||..||..||..||Fujifilm XP120|
|Hasselblad X1D||Medium Format||51.3||8272||6200||1080/25p||26.2||14.8||4489||102||Hasselblad X1D|
|Leica SL||Full Frame||24.0||6000||4000||4K/30p||25.0||13.4||1821||88||Leica SL|
|Nikon W300||1/2.3||15.9||4608||3456||4K/30p||..||..||..||..||Nikon W300|
|Olympus TG-6||1/2.3||12.0||4000||3000||4K/30p||..||..||..||..||Olympus TG-6|
|Olympus TG-5||1/2.3||12.0||4000||3000||4K/30p||..||..||..||..||Olympus TG-5|
|Olympus E-M5 II||Four Thirds||15.9||4608||3456||1080/60p||23.0||12.5||842||73||Olympus E-M5 II|
|Pentax 645D||Medium Format||39.5||7264||5440||none||24.6||12.6||1262||82||Pentax 645D|
|Sony HX80||1/2.3||18.0||4896||3672||1080/60p||..||..||..||..||Sony HX80|
|Sony HX90V||1/2.3||18.0||4896||3672||1080/60p||..||..||..||..||Sony HX90V|
Many modern cameras are not only capable of taking still images, but also of capturing video footage. The two cameras under consideration both have sensors whose read-out speed is fast enough to capture moving pictures, but the 645Z provides a faster frame rate than the TG-4. It can shoot movie footage at 1080/60i, while the Olympus is limited to 1080/30p.
Apart from body and sensor, cameras can and do differ across a range of features. For example, the 645Z has an optical viewfinder, which can be very useful when shooting in bright sunlight. In contrast, the TG-4 relies on live view and the rear LCD for framing. The adjacent table lists some of the other core features of the Olympus TG-4 and Pentax 645Z along with similar information for a selection of comparators.
|Olympus TG-4||none||n||3.0||460||fixed||n||1/2000s||5.0||Y||Y||Olympus TG-4|
|Pentax 645Z||optical||Y||3.2||1037||tilting||n||1/4000s||3.0||n||n||Pentax 645Z|
|Canon 5DS||optical||Y||3.2||1040||fixed||n||1/8000s||5.0||n||n||Canon 5DS|
|Canon 5DS R||optical||Y||3.2||1040||fixed||n||1/8000s||5.0||n||n||Canon 5DS R|
|Canon SX700||none||n||3.0||922||fixed||n||1/3200s||8.5||Y||Y||Canon SX700|
|Fujifilm XP140||none||n||3.0||920||fixed||n||1/2000s||10.0||Y||Y||Fujifilm XP140|
|Fujifilm XP130||none||n||3.0||920||fixed||n||1/2000s||10.0||Y||Y||Fujifilm XP130|
|Fujifilm XP120||none||n||3.0||920||fixed||n||1/2000s||10.0||Y||Y||Fujifilm XP120|
|Hasselblad X1D||2360||n||3.0||920||fixed||Y||1/2000s||2.3||n||n||Hasselblad X1D|
|Leica SL||4400||Y||3.0||1040||fixed||Y||1/8000s||11.0||n||n||Leica SL|
|Nikon W300||none||n||3.0||921||fixed||n||1/4000s||7.0||Y||Y||Nikon W300|
|Olympus TG-6||none||n||3.0||1040||fixed||n||1/2000s||20.0||Y||Y||Olympus TG-6|
|Olympus TG-5||none||n||3.0||460||fixed||n||1/2000s||20.0||Y||Y||Olympus TG-5|
|Olympus E-M5 II||2360||n||3.0||1037||swivel||Y||1/8000s||10.0||n||Y||Olympus E-M5 II|
|Pentax 645D||optical||Y||3.0||921||fixed||n||1/4000s||1.1||n||n||Pentax 645D|
|Sony HX80||638||n||3.0||922||tilting||n||1/2000s||10.0||Y||Y||Sony HX80|
|Sony HX90V||638||n||3.0||921||tilting||n||1/2000s||10.0||Y||Y||Sony HX90V|
One difference between the cameras concerns the presence of an on-board flash. The TG-4 has one, while the 645Z does not. While the built-in flash of the TG-4 is not very powerful, it can at times be useful as a fill-in light.
The Olympus TG-4 and the Pentax 645Z both have an intervalometer built-in. This enables the photographer to capture time lapse sequences, such as flower blooming, a sunset or moon rise, without purchasing an external camera trigger and related software.
Concerning the storage of imaging data, both the TG-4 and the 645Z write their files to SDXC cards. The 645Z features dual card slots, which can be very useful in case a memory card fails. In contrast, the TG-4 only has one slot. Both cameras can use UHS-I cards, which provide for Ultra High Speed data transfer of up to 104 MB/s.
For some imaging applications, the extent to which a camera can communicate with its environment can be an important aspect in the camera decision process. The table below provides an overview of the connectivity of the Olympus Tough TG-4 and Pentax 645Z and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.
|Olympus TG-4||-||stereo||mono||-||-||micro||2.0||Y||-||-||Olympus TG-4|
|Pentax 645Z||Y||stereo||mono||Y||-||mini||3.0||-||-||-||Pentax 645Z|
|Canon 5DS||Y||mono||mono||Y||-||mini||3.0||-||-||-||Canon 5DS|
|Canon 5DS R||Y||mono||mono||Y||-||mini||3.0||-||-||-||Canon 5DS R|
|Canon SX700||-||stereo||mono||-||-||micro||2.0||Y||Y||-||Canon SX700|
|Fujifilm XP140||-||mono||mono||-||-||micro||2.0||Y||-||Y||Fujifilm XP140|
|Fujifilm XP130||-||mono||mono||-||-||micro||2.0||Y||-||Y||Fujifilm XP130|
|Fujifilm XP120||-||mono||mono||-||-||micro||2.0||Y||-||-||Fujifilm XP120|
|Hasselblad X1D||Y||stereo||mono||Y||Y||mini||3.0||Y||-||-||Hasselblad X1D|
|Leica SL||Y||stereo||mono||Y||Y||full||3.0||Y||-||-||Leica SL|
|Nikon W300||-||stereo||mono||-||-||micro||2.0||Y||-||Y||Nikon W300|
|Olympus TG-6||-||stereo||mono||-||-||micro||2.0||Y||-||-||Olympus TG-6|
|Olympus TG-5||-||stereo||mono||-||-||micro||2.0||Y||-||-||Olympus TG-5|
|Olympus E-M5 II||Y||stereo||mono||Y||-||micro||2.0||Y||-||-||Olympus E-M5 II|
|Pentax 645D||Y||stereo||none||-||-||none||2.0||-||-||-||Pentax 645D|
|Sony HX80||-||stereo||mono||-||-||micro||2.0||Y||Y||-||Sony HX80|
|Sony HX90V||-||stereo||mono||-||-||micro||2.0||Y||Y||-||Sony HX90V|
It is notable that the TG-4 offers wifi support, while the 645Z does not. Wifi can be a very convenient means to transfer image data to an off-camera location.
Studio photographers will appreciate that the Pentax 645Z (unlike the TG-4) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.
Travel and landscape photographers will find it useful that the TG-4 has an internal geolocalization sensor and can record GPS coordinates in its EXIF data.
The 645Z is a recent model that features in the current product line-up of Pentax. In contrast, the TG-4 has been discontinued (but it can be found pre-owned on eBay). As a replacement in the same line of cameras, the TG-4 was succeeded by the Olympus TG-5. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Olympus and Pentax websites.
So how do things add up? Which of the two cameras – the Olympus TG-4 or the Pentax 645Z – has the upper hand? Is one clearly better than the other? The listing below highlights the relative strengths of the two models.
Advantages of the Olympus Tough TG-4:
- Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
- Faster burst: Shoots at higher frequency (5 vs 3 flaps/sec) to capture the decisive moment.
- Ready to shoot: Comes with a built-in lens, while the 645Z requires a separate lens.
- More compact: Is smaller (112x66mm vs 156x117mm) and thus needs less room in the bag.
- Less heavy: Is lighter even though it comes with a built-in lens (unlike the 645Z).
- Easier travel charging: Can be conveniently charged via its USB port.
- Sharper images: Has hand-shake reducing image stabilization built-in.
- Water-proof: Is rugged and sealed and can thus be used for underwater photography (up to 15m).
- Easier fill-in: Is equipped with a small onboard flash to brighten deep shadow areas.
- Easier geotagging: Features an internal GPS sensor to log localization data.
- Easier file upload: Has wifi built in for automatic backup or image transfer to the web.
- More affordable: Was introduced at a lower price, despite coming with a built-in lens.
- More modern: Is somewhat more recent (announced 11 months after the 645Z).
Arguments in favor of the Pentax 645Z:
- More detail: Has more megapixels (51.1 vs 15.9MP), which boosts linear resolution by 79%.
- Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
- Better image quality: Features bigger pixels on a larger sensor for higher quality imaging.
- Richer colors: The pixel size advantage translates into images with better, more accurate colors.
- More dynamic range: Larger pixels capture a wider spectrum of light and dark details.
- Better low-light sensitivity: Larger pixels means good image quality even under poor lighting.
- Better video: Provides higher movie framerates (1080/60i versus 1080/30p).
- Better sound: Can connect to an external microphone for higher quality sound recording.
- Easier framing: Has an optical viewfinder for image composition and settings control.
- Easier setting verification: Features a control panel on top to check shooting parameters.
- Larger screen: Has a bigger rear LCD (3.2" vs 3.0") for image review and settings control.
- More detailed LCD: Has a higher resolution rear screen (1037k vs 460k dots).
- More flexible LCD: Has a tilting screen for odd-angle shots in landscape orientation.
- Faster shutter: Has higher mechanical shutter speed (1/4000s vs 1/2000s) to freeze action.
- More flexible: Makes it possible to change lenses and thus to use specialty optics.
- Longer lasting: Gets more shots (650 versus 380) out of a single battery charge.
- Better lighting: Features a hotshoe and can thus hold and trigger an external flash gun.
- Faster data transfer: Supports a more advanced USB protocol (3.0 vs 2.0).
- Better studio light control: Has a PC Sync socket to connect to professional strobe lights.
- Greater peace of mind: Features a second card slot as a backup in case of memory card failure.
- More heavily discounted: Has been on the market for longer (launched in April 2014).
If the count of relative strengths (bullet points above) is taken as a measure, the 645Z is the clear winner of the contest (21 : 12 points). However, the relative importance of the various individual camera aspects will vary according to personal preferences and needs, so that you might like to apply corresponding weights to the particular features before making a decision on a new camera. A professional wildlife photographer will view the differences between cameras in a way that diverges from the perspective of a family photog, and a person interested in architecture has distinct needs from a sports shooter. Hence, the decision which camera is best and worth buying is often a very personal one.
How about other alternatives? Do the specifications of the Olympus TG-4 and the Pentax 645Z place the cameras among the top in their class? Find out in the latest Best Travel-Zoom Camera and Best DSLR Camera listings whether the two cameras rank among the cream of the crop.
In any case, while the comparison of technical specifications can provide a useful overview of the capabilities of different cameras, it remains incomplete and does no justice, for example, to the way the TG-4 or the 645Z perform in practice. User reviews that are available, for instance, at amazon can sometimes shed light on these issues, but such feedback is all too often partial, inconsistent, and inaccurate.
This is why expert reviews are important. The adjacent summary-table relays the overall verdicts of several of the most popular camera review sites (cameralabs, dpreview, ephotozine, imaging-resource, and photographyblog). As can be seen, the professional reviewers agree in many cases on the quality of different cameras, but sometimes their assessments diverge, reinforcing the earlier point that a camera decision is often a very personal choice.
The above review scores should be interpreted with care, though. The ratings are only valid when referring to cameras in the same category and of the same age. Hence, a score should always be seen in the context of the camera's market launch date and its price, and rating-comparisons among cameras that span long time periods or concern very differently equipped models make little sense. It should also be noted that some of the review sites have over time altered the way they render their verdicts.
Other camera comparisons
Did this review help to inform your camera decision process? If you would like to see a different side-by-side camera review, just make a corresponding selection in the search boxes below. As an alternative, you can also directly jump to any one of the listed comparisons that were previously generated by the CAM-parator tool.
- Canon 1300D vs Olympus TG-4
- Canon 250D vs Pentax 645Z
- Canon G5 X Mark II vs Olympus TG-4
- Fujifilm X-H1 vs Olympus TG-4
- Leica X-U Typ 113 vs Olympus TG-4
- Olympus E-PL1 vs Pentax 645Z
- Olympus E-PL6 vs Pentax 645Z
- Olympus TG-4 vs Sony A77 II
- Panasonic FZ1000 II vs Pentax 645Z
- Panasonic GX1 vs Pentax 645Z
- Pentax 645Z vs Sony A58
- Pentax 645Z vs Sony RX100 III
Specifications: Olympus TG-4 vs Pentax 645Z
Below is a side-by-side comparison of the specs of the two cameras to facilitate a quick review of their differences and common features.
|Camera Model||Olympus TG-4||Pentax 645Z|
|Camera Type||Fixed lens compact camera||Digital single lens reflex|
|Camera Lens||25-100mm f/2.0-4.9||Pentax 645 mount lenses|
|Launch Date||April 2015||April 2014|
|Launch Price||USD 379||USD 8499|
|Sensor Specs||Olympus TG-4||Pentax 645Z|
|Sensor Format||1/2.3" Sensor||Medium Format Sensor|
|Sensor Size||6.17 x 4.55 mm||43.8 x 32.8 mm|
|Sensor Area||28.0735 mm2||1436.64 mm2|
|Sensor Diagonal||7.7 mm||54.7 mm|
|Sensor Resolution||15.9 Megapixels||51.1 Megapixels|
|Image Resolution||4608 x 3456 pixels||8256 x 6192 pixels|
|Pixel Pitch||1.33 μm||5.30 μm|
|Pixel Density||56.73 MP/cm2||3.56 MP/cm2|
|Moiré control||Anti-Alias filter||no AA filter|
|Movie Capability||1080/30p Video||1080/60i Video|
|ISO Setting||100-6400 ISO||100-204800 ISO|
|Image Processor||TruePic VII||PRIME III|
|DXO Sensor Quality (score)||..||101|
|DXO Color Depth (bits)||..||26.0|
|DXO Dynamic Range (EV)||..||14.7|
|DXO Low Light (ISO)||..||4505|
|Screen Specs||Olympus TG-4||Pentax 645Z|
|Viewfinder Type||No viewfinder||Optical viewfinder|
|Viewfinder Field of View||98%|
|Top-Level Screen||no Top Display||Control Panel|
|LCD Framing||Live View||Live View|
|Rear LCD Size||3.0 inch||3.2 inch|
|LCD Resolution||460k dots||1037k dots|
|LCD Attachment||Fixed screen||Tilting screen|
|Shooting Specs||Olympus TG-4||Pentax 645Z|
|Focus System||Contrast-detect AF||Phase-detect AF|
|Manual Focusing Aid||No Peaking Feature||Focus Peaking|
|Max Shutter Speed (mechanical)||1/2000/s||1/4000/s|
|Continuous Shooting||5 shutter flaps/s||3 shutter flaps/s|
|Time-Lapse Photography||Intervalometer built-in||Intervalometer built-in|
|Image Stabilization||In-body stabilization||Lens stabilization only|
|Fill Flash||Build-in Flash||no On-Board Flash|
|Storage Medium||SDXC cards||SDXC cards|
|Second Storage Option||Single card slot||Dual card slots|
|UHS card support||UHS-I||UHS-I|
|Connectivity Specs||Olympus TG-4||Pentax 645Z|
|External Flash||no Hotshoe||Hotshoe|
|Studio Flash||no PC Sync||PC Sync socket|
|USB Connector||USB 2.0||USB 3.0|
|HDMI Port||micro HDMI||mini HDMI|
|Microphone Port||no MIC socket||External MIC port|
|Wifi Support||Wifi built-in||no Wifi|
|Geotagging||GPS built-in||no internal GPS|
|Body Specs||Olympus TG-4||Pentax 645Z|
|Environmental Sealing||Waterproof body (15m)||Weathersealed body|
|Battery Life (CIPA)||380 shots per charge||650 shots per charge|
|In-Camera Charging||USB charging||no USB charging|
112 x 66 x 31 mm
(4.4 x 2.6 x 1.2 in)
156 x 117 x 123 mm
(6.1 x 4.6 x 4.8 in)
|Camera Weight||247 g (8.7 oz)||1550 g (54.7 oz)|
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