Pentax 645Z vs K-1
The Pentax 645Z and the Pentax K-1 are two digital cameras that were officially introduced, respectively, in April 2014 and February 2016. Both are DSLR (Digital Single Lens Reflex) cameras that are based on a medium format (645Z) and a full frame (K-1) sensor. The 645Z has a resolution of 51.1 megapixels, whereas the K-1 provides 36.2 MP.
Below is an overview of the main specs of the two cameras as a starting point for the comparison.
Going beyond this snapshot of core features and characteristics, what are the differences between the Pentax 645Z and the Pentax K-1? 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.
The physical size and weight of the Pentax 645Z and the Pentax K-1 are illustrated in the side-by-side display below. The two cameras are presented according to their relative size. Three consecutive views from the front, the top, and the rear side are shown. All width, height and depth measures are rounded to the nearest millimeter.
The K-1 can be obtained in two different colors (black, silver), 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 K-1 is notably smaller (17 percent) than the Pentax 645Z. Moreover, the K-1 is substantially lighter (35 percent) than the 645Z. 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.
The above size and weight comparisons are to some extent incomplete since they do not consider the interchangeable lenses that both of these cameras require. Hence, you might want to study and compare the specifications of available lenses in order to get the full picture of the size and weight of the two camera systems.
The table below summarizes the key physical specs of the two cameras alongside a broader set of comparators. If you would like to visualize and compare a different camera combination, you can navigate to the CAM-parator app and make your selection from a broad list of cameras there.
|1.||Pentax 645Z||156 mm||117 mm||123 mm||1550 g||650||Y||Apr 2014||8,499|
|2.||Pentax K-1||137 mm||110 mm||86 mm||1010 g||760||Y||Feb 2016||1,799|
|3.||Canon 1D X Mark II||158 mm||168 mm||83 mm||1530 g||1210||Y||Feb 2016||5,999|
|4.||Canon 5D Mark IV||151 mm||116 mm||76 mm||890 g||900||Y||Aug 2016||3,499|
|5.||Canon 5DS||152 mm||116 mm||76 mm||930 g||700||Y||Feb 2015||3,699|
|6.||Canon 5DS R||152 mm||116 mm||76 mm||930 g||700||Y||Feb 2015||3,699|
|7.||Hasselblad X1D||150 mm||98 mm||71 mm||725 g||..||Y||Jun 2016||8,995|
|8.||Leica SL||147 mm||104 mm||39 mm||847 g||400||Y||Oct 2015||7,450|
|9.||Nikon D850||146 mm||124 mm||79 mm||1005 g||1840||Y||Jul 2017||3,299|
|10.||Nikon D5||160 mm||159 mm||92 mm||1415 g||3780||Y||Jan 2016||6,499|
|11.||Nikon D500||147 mm||115 mm||81 mm||860 g||1240||Y||Jan 2016||1,999|
|12.||Nikon D7200||136 mm||107 mm||76 mm||765 g||1110||Y||Mar 2015||1,199|
|13.||Nikon D4S||160 mm||157 mm||91 mm||1350 g||3020||Y||Feb 2014||6,499|
|14.||Olympus E-M1 II||134 mm||91 mm||67 mm||574 g||440||Y||Sep 2016||1,999|
|15.||Pentax K-1 II||137 mm||110 mm||86 mm||1010 g||670||Y||Feb 2018||1,999|
|16.||Pentax 645D||156 mm||117 mm||119 mm||1480 g||800||Y||Mar 2010||9,995|
|17.||Sony A99 II||143 mm||104 mm||76 mm||849 g||490||Y||Sep 2016||3,199|
|Notes: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.|
Any camera decision will obviously take relative prices into account. The retail prices at the time of the camera’s release place the model in the market relative to other models in the producer’s line-up and the competition. The K-1 was launched at a markedly lower price (by 79 percent) than the 645Z, which puts it into a different market segment. 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 imaging sensor is at the core of digital cameras and its size is one of the main determining factors 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. Moreover, a large sensor camera will give the photographer more control over depth-of-field in the image and, thus, the ability to better isolate a subject from the background. On the downside, larger sensors are more costly to manufacture and tend to lead to bigger and heavier cameras and lenses.
Of the two cameras under consideration, the Pentax 645Z features a medium format sensor and the Pentax K-1 a full frame sensor. The sensor area in the K-1 is 40 percent smaller. As a result of these sensor size differences, the cameras have a format factor of, respectively, 0.79 and 1.0. The sensor in the 645Z has a native 4:3 aspect ratio, while the one in the K-1 offers a 3:2 aspect.
Technology-wise, the K-1 uses a more advanced image processing engine (PRIME IV) than the 645Z (PRIME III), with benefits for noise reduction, color accuracy, and processing speed.
With 51.1MP, the 645Z offers a higher resolution than the K-1 (36.2MP), but the 645Z nevertheless has larger individual pixels (pixel pitch of 5.30μm versus 4.88μm for the K-1) due to its larger sensor. However, the K-1 is a somewhat more recent model (by 1 year and 10 months) than the 645Z, and its sensor might have benefitted from technological advances during this time that enhance the light gathering capacity of its pixels. Coming back to sensor resolution, it should be mentioned that neither of the two cameras has an anti-alias filter installed, so they are able to capture all the detail the 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 inches or 104.9 x 78.6 cm, for very good quality (250 dpi) 33 x 24.8 inches or 83.9 x 62.9 cm, and for excellent quality (300 dpi) 27.5 x 20.6 inches or 69.9 x 52.4 cm. The corresponding values for the Pentax K-1 are 36.8 x 24.6 inches or 93.5 x 62.4 cm for good quality, 29.4 x 19.6 inches or 74.8 x 49.9 cm for very good quality, and 24.5 x 16.4 inches or 62.3 x 41.6 cm for excellent quality prints.
Unlike the 645Z, the K-1 has the capacity to capture high quality composite images by combining multiple shots after shifting its sensor by miniscule distances. This multi-shot, pixel-shift mode is most suitable for photography of stationary objects (landscapes, studio scenes).
The Pentax 645Z has a native sensitivity range from ISO 100 to ISO 204800. The Pentax K-1 offers exactly the same ISO settings.
Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. This service determines an overall sensor rating, as well as sub-scores for low-light sensitivity ("DXO Sports"), dynamic range ("DXO Landscape"), and color depth ("DXO Portrait"). Of the two cameras under review, the 645Z has a notably higher overall DXO score than the K-1 (overall score 5 points higher), which gives it an advantage in terms of imaging quality. This advantage is based on 0.6 bits higher color depth, 0.1 EV in additional dynamic range, and 0.5 stops in additional low light sensitivity. The following table provides an overview of the physical sensor characteristics, as well as the sensor quality measurements for a selection of comparators.
|1.||Pentax 645Z||Medium Format||51.1||8256||6192||1080/60i||26.0||14.7||4505||101|
|2.||Pentax K-1||Full Frame||36.2||7360||4912||1080/60i||25.4||14.6||3280||96|
|3.||Canon 1D X Mark II||Full Frame||20.0||5472||3648||4K/60p||24.1||13.5||3207||88|
|4.||Canon 5D Mark IV||Full Frame||30.1||6720||4480||4K/30p||24.8||13.6||2995||91|
|5.||Canon 5DS||Full Frame||50.3||8688||5792||1080/30p||24.7||12.4||2381||87|
|6.||Canon 5DS R||Full Frame||50.3||8688||5792||1080/30p||24.6||12.4||2308||86|
|7.||Hasselblad X1D||Medium Format||51.3||8272||6200||1080/25p||26.2||14.8||4489||102|
|8.||Leica SL||Full Frame||24.0||6000||4000||4K/30p||25.0||13.4||1821||88|
|9.||Nikon D850||Full Frame||45.4||8256||5504||4K/30p||26.4||14.8||2660||100|
|10.||Nikon D5||Full Frame||20.7||5588||3712||4K/30p||25.1||12.3||2343||88|
|13.||Nikon D4S||Full Frame||16.2||4928||3280||1080/60p||24.4||13.3||3074||89|
|14.||Olympus E-M1 II||Four Thirds||20.2||5184||3888||4K/30p||23.7||12.8||1312||80|
|15.||Pentax K-1 II||Full Frame||36.2||7360||4912||1080/60i||..||..||..||..|
|16.||Pentax 645D||Medium Format||39.5||7264||5440||none||24.6||12.6||1262||82|
|17.||Sony A99 II||Full Frame||42.2||7952||5304||4K/30p||25.4||13.4||2317||92|
Many modern cameras are not only capable of taking still images, but can also record movies. The two cameras under consideration both have sensors whose read-out speed is fast enough to capture moving pictures, and both provide the same movie specifications (1080/60i).
Apart from body and sensor, cameras can and do differ across a variety of features. The 645Z and the K-1 are similar in the sense that both have an optical viewfinder. The latter is useful for getting a clear image for framing even in brightly lit environments. The viewfinder in the K-1 offers a wider field of view (100%) than the one in the 645Z (98%), so that a larger proportion of the captured image is visible in the finder. On the other hand, the viewfinder of the 645Z has a higher magnification (0.78x vs 0.70x), so that the size of the image transmitted appears closer to the size seen with the naked human eye. The table below summarizes some of the other core capabilities of the Pentax 645Z and Pentax K-1 in connection with corresponding information for a sample of similar cameras.
|1.||Pentax 645Z||optical||Y||3.2 / 1037||tilting||n||1/4000s||3.0||n||n|
|2.||Pentax K-1||optical||Y||3.2 / 1037||full-flex||n||1/8000s||4.4||n||Y|
|3.||Canon 1D X Mark II||optical||Y||3.2 / 1620||fixed||Y||1/8000s||16.0||n||n|
|4.||Canon 5D Mark IV||optical||Y||3.2 / 1620||fixed||Y||1/8000s||7.0||n||n|
|5.||Canon 5DS||optical||Y||3.2 / 1040||fixed||n||1/8000s||5.0||n||n|
|6.||Canon 5DS R||optical||Y||3.2 / 1040||fixed||n||1/8000s||5.0||n||n|
|7.||Hasselblad X1D||2360||n||3.0 / 920||fixed||Y||1/2000s||2.3||n||n|
|8.||Leica SL||4400||Y||3.0 / 1040||fixed||Y||1/8000s||11.0||n||n|
|9.||Nikon D850||optical||Y||3.2 / 2359||tilting||Y||1/8000s||9.0||n||n|
|10.||Nikon D5||optical||Y||3.2 / 2359||fixed||Y||1/8000s||14.0||n||n|
|11.||Nikon D500||optical||Y||3.2 / 2359||tilting||Y||1/8000s||10.0||n||n|
|12.||Nikon D7200||optical||Y||3.2 / 1229||fixed||n||1/8000s||6.0||Y||n|
|13.||Nikon D4S||optical||Y||3.2 / 921||fixed||n||1/8000s||11.0||n||n|
|14.||Olympus E-M1 II||2360||n||3.0 / 1037||swivel||Y||1/8000s||18.0||n||Y|
|15.||Pentax K-1 II||optical||Y||3.2 / 1037||full-flex||n||1/8000s||4.4||n||Y|
|16.||Pentax 645D||optical||Y||3.0 / 921||fixed||n||1/4000s||1.1||n||n|
|17.||Sony A99 II||2400||Y||3.0 / 1229||full-flex||n||1/8000s||12.0||n||Y|
One feature that differentiates the K-1 and the 645Z is in-body image stabilization (IBIS). The K-1 reduces the risk of handshake-induced blur with all attached lenses, while the 645Z offers no blur reduction with lenses that themselves do not provide optical image stabilization.
The Pentax 645Z and the Pentax K-1 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 645Z and the K-1 write their files to SDXC cards. Both cameras feature dual card slots, which can be very useful in case a memory card fails. 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 Pentax 645Z and Pentax K-1 and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.
Mic / Speaker
|1.||Pentax 645Z||Y||stereo / mono||Y||-||mini||3.0||-||-||-|
|2.||Pentax K-1||Y||stereo / mono||Y||Y||micro||2.0||Y||-||-|
|3.||Canon 1D X Mark II||Y||mono / mono||Y||Y||mini||3.0||-||-||-|
|4.||Canon 5D Mark IV||Y||mono / mono||Y||Y||mini||3.0||Y||Y||-|
|5.||Canon 5DS||Y||mono / mono||Y||-||mini||3.0||-||-||-|
|6.||Canon 5DS R||Y||mono / mono||Y||-||mini||3.0||-||-||-|
|7.||Hasselblad X1D||Y||stereo / mono||Y||Y||mini||3.0||Y||-||-|
|8.||Leica SL||Y||stereo / mono||Y||Y||full||3.0||Y||-||-|
|9.||Nikon D850||Y||stereo / mono||Y||Y||mini||3.0||Y||Y||Y|
|10.||Nikon D5||Y||stereo / mono||Y||Y||mini||3.0||-||-||-|
|11.||Nikon D500||Y||stereo / mono||Y||Y||mini||3.0||Y||Y||Y|
|12.||Nikon D7200||Y||stereo / mono||Y||Y||mini||2.0||Y||Y||-|
|13.||Nikon D4S||Y||mono / mono||Y||Y||mini||2.0||-||-||-|
|14.||Olympus E-M1 II||Y||stereo / mono||Y||Y||micro||3.0||Y||-||-|
|15.||Pentax K-1 II||Y||stereo / mono||Y||Y||micro||2.0||Y||-||-|
|16.||Pentax 645D||Y||stereo / -||-||-||-||2.0||-||-||-|
|17.||Sony A99 II||Y||stereo / mono||Y||Y||micro||2.0||Y||Y||Y|
It is notable that the K-1 offers wifi support, which can be a very convenient means to transfer image data to an off-camera location. In contrast, the 645Z does not provide wifi capability.
Both cameras feature a PC Sync terminal to control professional strobe lights, which will be appreciated by studio photographers.
Travel and landscape photographers will find it useful that the K-1 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 K-1 has been discontinued (but can be found pre-owned on eBay). As a replacement in the same line of cameras, the K-1 was succeeded by the Pentax K-1 II. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Pentax website.
So what is the bottom line? Is there a clear favorite between the Pentax 645Z and the Pentax K-1? Which camera is better? The listing below highlights the relative strengths of the two models.
Advantages of the Pentax 645Z:
- More detail: Offers more megapixels (51.1 vs 36.2MP) with a 17% higher linear resolution.
- Better image quality: Scores markedly higher (5 points) in the DXO overall assessment.
- Better low-light sensitivity: Requires less light for good images (0.5 stops ISO advantage).
- Larger viewfinder image: Features a viewfinder with a higher magnification (0.78x vs 0.70x).
- Faster data transfer: Supports a more advanced USB protocol (3.0 vs 2.0).
- More heavily discounted: Has been on the market for longer (launched in April 2014).
Reasons to prefer the Pentax K-1:
- High quality composites: Can combine several shots after pixel-shifting its sensor.
- Better jpgs: Has a more modern image processing engine (PRIME IV vs PRIME III).
- Better sound control: Has a headphone port that enables audio monitoring while recording.
- More complete view: Has a viewfinder with a larger field of view (100% vs 98%).
- More flexible LCD: Has a full-flex screen for odd-angle shots in portrait or landscape orientation.
- Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
- Faster burst: Shoots at higher frequency (4.4 vs 3 flaps/sec) to capture the decisive moment.
- More compact: Is smaller (137x110mm vs 156x117mm) and will fit more readily into a bag.
- Less heavy: Has a lower weight (by 540g or 35 percent) and is thus easier to take along.
- Longer lasting: Gets more shots (760 versus 650) out of a single battery charge.
- Sharper images: Has stabilization technology built-in to reduce the impact of hand-shake.
- 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 into a lower priced category (79 percent cheaper at launch).
- More modern: Was introduced somewhat (1 year and 10 months) more recently.
If the count of individual advantages (bullet points above) is taken as a guide, the K-1 is the clear winner of the contest (15 : 6 points). However, the pertinence of the various camera strengths will differ across photographers, so that you might want to weigh individual camera traits according to their importance for your own imaging needs before making a camera decision. 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 Pentax 645Z and the Pentax K-1 place the cameras among the top in their class? Find out in the latest Best DSLR Camera listing whether the two cameras rank among the cream of the crop.
In any case, while the comparison of the spec-sheets of cameras can offer a general idea of their imaging potential, it remains incomplete and does no justice, for example, to the way the 645Z or the K-1 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 hands-on reviews by experts are important. The adjacent summary-table relays the overall verdicts of several of the most popular camera review sites (amateurphotographer [AP], cameralabs [CL], digitalcameraworld [DCW], dpreview [DPR], ephotozine [EPZ], photographyblog [PB]). 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.
|1.||Pentax 645Z||5/5||..||..||..||4.5/5||5/5||Apr 2014||8,499|
|2.||Pentax K-1||5/5||..||..||84/100||5/5||5/5||Feb 2016||1,799|
|3.||Canon 1D X Mark II||..||..||4.5/5||89/100||4.5/5||4.5/5||Feb 2016||5,999|
|4.||Canon 5D Mark IV||4.5/5||+ +||4/5||87/100||4.5/5||4.5/5||Aug 2016||3,499|
|5.||Canon 5DS||..||+||..||83/100||4.5/5||4.5/5||Feb 2015||3,699|
|6.||Canon 5DS R||5/5||+||..||83/100||5/5||4.5/5||Feb 2015||3,699|
|7.||Hasselblad X1D||..||o||..||81/100||..||4/5||Jun 2016||8,995|
|8.||Leica SL||4/5||..||4/5||84/100||4.5/5||4/5||Oct 2015||7,450|
|9.||Nikon D850||4.5/5||+ +||5/5||89/100||4.5/5||5/5||Jul 2017||3,299|
|10.||Nikon D5||..||..||4/5||89/100||4.5/5||5/5||Jan 2016||6,499|
|11.||Nikon D500||5/5||+ +||4.7/5||91/100||4.5/5||5/5||Jan 2016||1,999|
|12.||Nikon D7200||4/5||+ +||..||84/100||4.5/5||4.5/5||Mar 2015||1,199|
|13.||Nikon D4S||5/5||..||..||..||4.5/5||4.5/5||Feb 2014||6,499|
|14.||Olympus E-M1 II||5/5||+ +||5/5||85/100||4.5/5||4.5/5||Sep 2016||1,999|
|15.||Pentax K-1 II||..||..||4.5/5||79/100||4.5/5||4.5/5||Feb 2018||1,999|
|16.||Pentax 645D||5/5||..||..||..||..||..||Mar 2010||9,995|
|17.||Sony A99 II||..||..||4.5/5||85/100||4.5/5||4.5/5||Sep 2016||3,199|
|Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.|
Care should be taken when interpreting the review scores above, though. The ratings were established in reference to similarly priced cameras that were available in the market at the time of the review. Hence, a score should always be seen in the context of the camera's market launch date and its price, and comparisons of ratings among very different cameras or across long time periods have little meaning. 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? In case you are interested in seeing how other cameras pair up, just make a corresponding selection in the search boxes below. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting.
- Canon 350D vs Pentax 645Z
- Canon M5 vs Pentax 645Z
- Fujifilm X-A10 vs Pentax 645Z
- Leica S2 vs Pentax K-1
- Leica V-LUX 4 vs Pentax K-1
- Leica X-U Typ 113 vs Pentax K-1
- Nikon A1000 vs Pentax 645Z
- Nikon D3 vs Pentax 645Z
- Olympus E-400 vs Pentax 645Z
- Olympus E-M5 II vs Pentax K-1
- Olympus PEN-F vs Pentax K-1
- Pentax K-1 vs Sony RX100 V
Specifications: Pentax 645Z vs Pentax K-1
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||Pentax 645Z||Pentax K-1|
|Camera Type||Digital single lens reflex||Digital single lens reflex|
|Camera Lens||Pentax 645 mount lenses||Pentax K mount lenses|
|Launch Date||April 2014||February 2016|
|Launch Price||USD 8,499||USD 1,799|
|Sensor Specs||Pentax 645Z||Pentax K-1|
|Sensor Format||Medium Format Sensor||Full Frame Sensor|
|Sensor Size||43.8 x 32.8 mm||35.9 x 24.0 mm|
|Sensor Area||1436.64 mm2||861.6 mm2|
|Sensor Diagonal||54.7 mm||43.2 mm|
|Sensor Resolution||51.1 Megapixels||36.2 Megapixels|
|Image Resolution||8256 x 6192 pixels||7360 x 4912 pixels|
|Pixel Pitch||5.30 μm||4.88 μm|
|Pixel Density||3.56 MP/cm2||4.20 MP/cm2|
|Moiré control||no AA filter||no AA filter|
|Movie Capability||1080/60i Video||1080/60i Video|
|ISO Setting||100 - 204,800 ISO||100 - 204,800 ISO|
|Image Processor||PRIME III||PRIME IV|
|DXO Sensor Quality (score)||101||96|
|DXO Color Depth (bits)||26.0||25.4|
|DXO Dynamic Range (EV)||14.7||14.6|
|DXO Low Light (ISO)||4505||3280|
|Screen Specs||Pentax 645Z||Pentax K-1|
|Viewfinder Type||Optical viewfinder||Optical viewfinder|
|Viewfinder Field of View||98%||100%|
|Top-Level Screen||Control Panel||Control Panel|
|LCD Framing||Live View||Live View|
|Rear LCD Size||3.2inch||3.2inch|
|LCD Resolution||1037k dots||1037k dots|
|LCD Attachment||Tilting screen||Fully flexible screen|
|Shooting Specs||Pentax 645Z||Pentax K-1|
|Focus System||Phase-detect AF||Phase-detect AF|
|Manual Focusing Aid||Focus Peaking||Focus Peaking|
|Max Shutter Speed (mechanical)||1/4000s||1/8000s|
|Continuous Shooting||3 shutter flaps/s||4.4 shutter flaps/s|
|Shutter Life Expectancy||100 000 actuations||300 000 actuations|
|Time-Lapse Photography||Intervalometer built-in||Intervalometer built-in|
|Image Stabilization||Lens stabilization only||In-body stabilization|
|Fill Flash||no On-Board Flash||no On-Board Flash|
|Storage Medium||SDXC cards||SDXC cards|
|Second Storage Option||Dual card slots||Dual card slots|
|UHS card support||UHS-I||UHS-I|
|Connectivity Specs||Pentax 645Z||Pentax K-1|
|Studio Flash||PC Sync socket||PC Sync socket|
|USB Connector||USB 3.0||USB 2.0|
|HDMI Port||mini HDMI||micro HDMI|
|Microphone Port||External MIC port||External MIC port|
|Headphone Socket||no Headphone port||Headphone port|
|Wifi Support||no Wifi||Wifi built-in|
|Geotagging||no internal GPS||GPS built-in|
|Body Specs||Pentax 645Z||Pentax K-1|
|Environmental Sealing||Weathersealed body||Weathersealed body|
|Battery Life (CIPA)||650 shots per charge||760 shots per charge|
156 x 117 x 123 mm
(6.1 x 4.6 x 4.8 in)
137 x 110 x 86 mm
(5.4 x 4.3 x 3.4 in)
|Camera Weight||1550 g (54.7 oz)||1010 g (35.6 oz)|
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