Pentax 645Z vs Sony A99 II
The Pentax 645Z and the Sony Alpha ALT-A99 II are two professional cameras that were announced, respectively, in April 2014 and September 2016. Both are DSLR (Digital Single Lens Reflex) cameras that are based on a medium format (645Z) and a full frame (A99 II) sensor. The Pentax has a resolution of 51.1 megapixels, whereas the Sony provides 42.2 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 Sony Alpha ALT-A99 II? 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 side-by-side display below illustrates the physical size and weight of the Pentax 645Z and the Sony A99 II. The two cameras are presented according to their relative size. Three successive views from the front, the top, and the rear are shown. All size dimensions are rounded to the nearest millimeter.
If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony A99 II is notably smaller (19 percent) than the Pentax 645Z. Moreover, the A99 II is substantially lighter (45 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. In case you want to display and compare another camera duo, you can use the CAM-parator app to select your camera combination among a large number of options.
|1.||Pentax 645Z||156 mm||117 mm||123 mm||1550 g||650||Y||Apr 2014||8,499|
|2.||Sony A99 II||143 mm||104 mm||76 mm||849 g||490||Y||Sep 2016||3,199|
|3.||Canon 1D X Mark II||158 mm||168 mm||83 mm||1530 g||1210||Y||Feb 2016||5,999|
|4.||Canon 5DS||152 mm||116 mm||76 mm||930 g||700||Y||Feb 2015||3,699|
|5.||Canon 5DS R||152 mm||116 mm||76 mm||930 g||700||Y||Feb 2015||3,699|
|6.||Hasselblad X1D||150 mm||98 mm||71 mm||725 g||..||Y||Jun 2016||8,995|
|7.||Leica SL||147 mm||104 mm||39 mm||847 g||400||Y||Oct 2015||7,450|
|8.||Nikon D850||146 mm||124 mm||79 mm||1005 g||1840||Y||Jul 2017||3,299|
|9.||Nikon D5||160 mm||159 mm||92 mm||1415 g||3780||Y||Jan 2016||6,499|
|10.||Nikon D7200||136 mm||107 mm||76 mm||765 g||1110||Y||Mar 2015||1,199|
|11.||Nikon D4S||160 mm||157 mm||91 mm||1350 g||3020||Y||Feb 2014||6,499|
|12.||Pentax 645D||156 mm||117 mm||119 mm||1480 g||800||Y||Mar 2010||9,995|
|13.||Sony A7R II||127 mm||96 mm||60 mm||625 g||290||Y||Jun 2015||3,199|
|14.||Sony A7S II||127 mm||96 mm||60 mm||627 g||370||Y||Sep 2015||2,999|
|15.||Sony A99||147 mm||111 mm||78 mm||812 g||500||Y||Sep 2012||2,799|
|Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.|
The price is, of course, an important factor in any camera decision. 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 A99 II was launched at a markedly lower price (by 62 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.
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. Furthermore, a large sensor camera will give the photographer more possibilities to use shallow depth-of-field in order to isolate a subject from the background. On the downside, larger sensors tend to be associated with larger, more expensive camera bodies and lenses.
Of the two cameras under consideration, the Pentax 645Z features a medium format sensor and the Sony A99 II a full frame sensor. The sensor area in the A99 II 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 A99 II offers a 3:2 aspect.
With 51.1MP, the 645Z offers a higher resolution than the A99 II (42.2MP), but the 645Z nevertheless has larger individual pixels (pixel pitch of 5.30μm versus 4.52μm for the A99 II) due to its larger sensor. However, the A99 II is a much more recent model (by 2 years and 5 months) than the 645Z, and its sensor will have benefitted from technological advances during this time that further 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 Sony A99 II are 39.8 x 26.5 inches or 101 x 67.4 cm for good quality, 31.8 x 21.2 inches or 80.8 x 53.9 cm for very good quality, and 26.5 x 17.7 inches or 67.3 x 44.9 cm for excellent quality prints.
The A99 II has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.
The Pentax 645Z has a native sensitivity range from ISO 100 to ISO 204800. The corresponding ISO settings for the Sony Alpha ALT-A99 II are ISO 100 to ISO 25600, with the possibility to increase the ISO range to 50-25600.
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. Of the two cameras under review, the 645Z has a notably higher overall DXO score than the A99 II (overall score 9 points higher), which gives it an advantage in terms of imaging quality. This advantage is based on 0.6 bits higher color depth, 1.3 EV in additional dynamic range, and 1 stops in additional low light sensitivity. The adjacent table reports on the physical sensor characteristics and the outcomes of the DXO sensor quality tests for a sample of comparator-cameras.
|1.||Pentax 645Z||Medium Format||51.1||8256||6192||1080/60i||26.0||14.7||4505||101|
|2.||Sony A99 II||Full Frame||42.2||7952||5304||4K/30p||25.4||13.4||2317||92|
|3.||Canon 1D X Mark II||Full Frame||20.0||5472||3648||4K/60p||24.1||13.5||3207||88|
|4.||Canon 5DS||Full Frame||50.3||8688||5792||1080/30p||24.7||12.4||2381||87|
|5.||Canon 5DS R||Full Frame||50.3||8688||5792||1080/30p||24.6||12.4||2308||86|
|6.||Hasselblad X1D||Medium Format||51.3||8272||6200||1080/25p||26.2||14.8||4489||102|
|7.||Leica SL||Full Frame||24.0||6000||4000||4K/30p||25.0||13.4||1821||88|
|8.||Nikon D850||Full Frame||45.4||8256||5504||4K/30p||26.4||14.8||2660||100|
|9.||Nikon D5||Full Frame||20.7||5588||3712||4K/30p||25.1||12.3||2343||88|
|11.||Nikon D4S||Full Frame||16.2||4928||3280||1080/60p||24.4||13.3||3074||89|
|12.||Pentax 645D||Medium Format||39.5||7264||5440||none||24.6||12.6||1262||82|
|13.||Sony A7R II||Full Frame||42.2||7952||5304||4K/30p||26.0||13.9||3434||98|
|14.||Sony A7S II||Full Frame||12.0||4240||2832||4K/30p||23.6||13.3||2993||85|
|15.||Sony A99||Full Frame||24.0||6000||4000||1080/60p||25.0||14.0||1555||89|
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 A99 II provides a better video resolution than the 645Z. It can shoot movie footage at 4K/30p, while the Pentax is limited to 1080/60i.
Apart from body and sensor, cameras can and do differ across a range of features. For example, the A99 II has an electronic viewfinder (2400k dots), while the 645Z has an optical one. Both systems have their advantages, with the electronic viewfinder making it possible to project supplementary shooting information into the framing view, whereas the optical viewfinder offers lag-free viewing and a very clear framing image. The viewfinders of both cameras offer the same magnification (0.78x), but the one in the A99 II has a wider field of view (100%) than the finder in the 645Z (98%), so that a larger proportion of the captured image is visible. The table below summarizes some of the other core capabilities of the Pentax 645Z and Sony A99 II 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/s||n||n|
|2.||Sony A99 II||2400||Y||3.0 / 1229||full-flex||n||1/8000s||12.0/s||n||Y|
|3.||Canon 1D X Mark II||optical||Y||3.2 / 1620||fixed||Y||1/8000s||16.0/s||n||n|
|4.||Canon 5DS||optical||Y||3.2 / 1040||fixed||n||1/8000s||5.0/s||n||n|
|5.||Canon 5DS R||optical||Y||3.2 / 1040||fixed||n||1/8000s||5.0/s||n||n|
|6.||Hasselblad X1D||2360||n||3.0 / 920||fixed||Y||1/2000s||2.3/s||n||n|
|7.||Leica SL||4400||Y||3.0 / 1040||fixed||Y||1/8000s||11.0/s||n||n|
|8.||Nikon D850||optical||Y||3.2 / 2359||tilting||Y||1/8000s||9.0/s||n||n|
|9.||Nikon D5||optical||Y||3.2 / 2359||fixed||Y||1/8000s||14.0/s||n||n|
|10.||Nikon D7200||optical||Y||3.2 / 1229||fixed||n||1/8000s||6.0/s||Y||n|
|11.||Nikon D4S||optical||Y||3.2 / 921||fixed||n||1/8000s||11.0/s||n||n|
|12.||Pentax 645D||optical||Y||3.0 / 921||fixed||n||1/4000s||1.1/s||n||n|
|13.||Sony A7R II||2400||n||3.0 / 1229||tilting||n||1/8000s||5.0/s||n||Y|
|14.||Sony A7S II||2400||n||3.0 / 1229||tilting||n||1/8000s||5.0/s||n||Y|
|15.||Sony A99||2359||Y||3.0 / 1229||full-flex||n||1/8000s||6.0/s||n||Y|
|Notes: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.|
One feature that differentiates the A99 II and the 645Z is in-body image stabilization (IBIS). The A99 II 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 A99 II has an articulated screen that can be turned to be front-facing. This characteristic will be appreciated by vloggers and photographers who are interested in taking selfies. In contrast, the 645Z does not have a selfie-screen.
The Pentax 645Z has 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.
The 645Z writes its imaging data to SDXC cards, while the A99 II uses SDXC or Memory Stick PRO Duo 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 Sony Alpha ALT-A99 II 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.||Sony A99 II||Y||stereo / mono||Y||Y||micro||2.0||Y||Y||Y|
|3.||Canon 1D X Mark II||Y||mono / mono||Y||Y||mini||3.0||-||-||-|
|4.||Canon 5DS||Y||mono / mono||Y||-||mini||3.0||-||-||-|
|5.||Canon 5DS R||Y||mono / mono||Y||-||mini||3.0||-||-||-|
|6.||Hasselblad X1D||Y||stereo / mono||Y||Y||mini||3.0||Y||-||-|
|7.||Leica SL||Y||stereo / mono||Y||Y||full||3.0||Y||-||-|
|8.||Nikon D850||Y||stereo / mono||Y||Y||mini||3.0||Y||Y||Y|
|9.||Nikon D5||Y||stereo / mono||Y||Y||mini||3.0||-||-||-|
|10.||Nikon D7200||Y||stereo / mono||Y||Y||mini||2.0||Y||Y||-|
|11.||Nikon D4S||Y||mono / mono||Y||Y||mini||2.0||-||-||-|
|12.||Pentax 645D||Y||stereo / -||-||-||-||2.0||-||-||-|
|13.||Sony A7R II||Y||stereo / mono||Y||Y||micro||2.0||Y||Y||-|
|14.||Sony A7S II||Y||stereo / mono||Y||Y||micro||2.0||Y||Y||-|
|15.||Sony A99||Y||stereo / mono||Y||Y||mini||2.0||-||-||-|
It is notable that the A99 II 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.
Both the 645Z and the A99 II are recent models that are part of the current product line-up. The 645Z replaced the earlier Pentax 645D, while the A99 II does not have a direct predecessor. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Pentax and Sony websites.
So how do things add up? Is there a clear favorite between the Pentax 645Z and the Sony A99 II? Which camera is better? Below is a summary of the relative strengths of each of the two contestants.
Reasons to prefer the Pentax 645Z:
- More detail: Offers more megapixels (51.1 vs 42.2MP) with a 8% higher linear resolution.
- Better image quality: Scores markedly higher (9 points) in the DXO overall assessment.
- More dynamic range: Captures a larger spectrum of light and dark details (1.3 EV of extra DR).
- Better low-light sensitivity: Requires less light for good images (1 stops ISO advantage).
- Brighter framing: Features an optical viewfinder for clear, lag-free composition.
- Larger screen: Has a bigger rear LCD (3.2" vs 3.0") for image review and settings control.
- Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
- Longer lasting: Can take more shots (650 versus 490) on a single battery charge.
- Faster data transfer: Supports a more advanced USB protocol (3.0 vs 2.0).
- More heavily discounted: Has been available for much longer (launched in April 2014).
Advantages of the Sony Alpha ALT-A99 II:
- Better video: Provides higher definition movie capture (4K/30p vs 1080/60i).
- Better live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
- Better sound control: Has a headphone port that enables audio monitoring while recording.
- More framing info: Has an electronic viewfinder that displays shooting data.
- More complete view: Has a viewfinder with a larger field of view (100% vs 98%).
- More detailed LCD: Has a higher resolution rear screen (1229k vs 1037k dots).
- More flexible LCD: Has a full-flex screen for odd-angle shots in portrait or landscape orientation.
- More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
- Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
- Faster burst: Shoots at higher frequency (12 vs 3 flaps/sec) to capture the decisive moment.
- More compact: Is smaller (143x104mm vs 156x117mm) and will fit more readily into a bag.
- Less heavy: Has a lower weight (by 701g or 45 percent) and is thus easier to take along.
- Sharper images: Has stabilization technology built-in to reduce the impact of hand-shake.
- Easier file upload: Has wifi built in for automatic backup or image transfer to the web.
- Easier device pairing: Supports NFC for fast wireless image transfer over short distances.
- Easier wireless transfer: Supports Bluetooth for image sharing without cables.
- More affordable: Was introduced into a lower priced category (62 percent cheaper at launch).
- More modern: Reflects 2 years and 5 months of technical progress since the 645Z launch.
If the count of relative strengths (bullet points above) is taken as a measure, the A99 II is the clear winner of the contest (19 : 10 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 wedding photographer will view the differences between cameras in a way that diverges from the perspective of a travel photog, and a person interested in cityscapes has distinct needs from a macro 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 Sony A99 II 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 specs-based evaluation of cameras can be instructive in revealing their potential as photographic tools, it remains partial and cannot reveal, for example, the shooting experience and imaging performance when actually working with the 645Z or the A99 II. At times, user reviews, such as those published at amazon, address these issues in a useful manner, but such feedback is on many occasions incomplete, inconsistent, and unreliable.
This is where reviews by experts come in. 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.||Sony A99 II||..||..||4.5/5||85/100||4.5/5||4.5/5||Sep 2016||3,199|
|3.||Canon 1D X Mark II||..||..||4.5/5||89/100||4.5/5||4.5/5||Feb 2016||5,999|
|4.||Canon 5DS||..||+||..||83/100||4.5/5||4.5/5||Feb 2015||3,699|
|5.||Canon 5DS R||5/5||+||..||83/100||5/5||4.5/5||Feb 2015||3,699|
|6.||Hasselblad X1D||..||o||..||81/100||..||4/5||Jun 2016||8,995|
|7.||Leica SL||4/5||..||4/5||84/100||4.5/5||4/5||Oct 2015||7,450|
|8.||Nikon D850||4.5/5||+ +||5/5||89/100||4.5/5||5/5||Jul 2017||3,299|
|9.||Nikon D5||..||..||4/5||89/100||4.5/5||5/5||Jan 2016||6,499|
|10.||Nikon D7200||4/5||+ +||..||84/100||4.5/5||4.5/5||Mar 2015||1,199|
|11.||Nikon D4S||5/5||..||..||..||4.5/5||4.5/5||Feb 2014||6,499|
|12.||Pentax 645D||5/5||..||..||..||..||..||Mar 2010||9,995|
|13.||Sony A7R II||5/5||+ +||5/5||90/100||5/5||5/5||Jun 2015||3,199|
|14.||Sony A7S II||5/5||+||..||..||4.5/5||5/5||Sep 2015||2,999|
|15.||Sony A99||5/5||..||..||84/100||4.5/5||4.5/5||Sep 2012||2,799|
|Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.|
The review scores listed above should be treated with care, though. The assessments were made in relation to similar cameras of the same technological generation. 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. Also, please note that some of the review sites have changed their methodology and reporting over time.
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 use the search menu below. There is also a set of direct links to comparison reviews that other users of the CAM-parator app explored.
- Canon G1 X Mark II vs Pentax 645Z
- Canon R3 vs Sony A99 II
- Fujifilm X-E2 vs Pentax 645Z
- Fujifilm XP140 vs Sony A99 II
- Leica V-LUX 1 vs Sony A99 II
- Panasonic FT7 vs Pentax 645Z
- Panasonic FZ80 vs Pentax 645Z
- Panasonic G80 vs Pentax 645Z
- Panasonic G80 vs Sony A99 II
- Panasonic GH4 vs Pentax 645Z
- Panasonic LX100 II vs Sony A99 II
- Sony A99 II vs Sony NEX-5R
Specifications: Pentax 645Z vs Sony A99 II
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||Sony A99 II|
|Camera Type||Digital single lens reflex||Digital single lens reflex|
|Camera Lens||Pentax 645 mount lenses||Sony A mount lenses|
|Launch Date||April 2014||September 2016|
|Launch Price||USD 8,499||USD 3,199|
|Sensor Specs||Pentax 645Z||Sony A99 II|
|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||42.2 Megapixels|
|Image Resolution||8256 x 6192 pixels||7952 x 5304 pixels|
|Pixel Pitch||5.30 μm||4.52 μm|
|Pixel Density||3.56 MP/cm2||4.90 MP/cm2|
|Moiré control||no AA filter||no AA filter|
|Movie Capability||1080/60i Video||4K/30p Video|
|ISO Setting||100 - 204,800 ISO||100 - 25,600 ISO|
|ISO Boost||no Enhancement||50 - 25,600 ISO|
|Image Processor||PRIME III||BIONZ X|
|DXO Sensor Quality (score)||101||92|
|DXO Color Depth (bits)||26.0||25.4|
|DXO Dynamic Range (EV)||14.7||13.4|
|DXO Low Light (ISO)||4505||2317|
|Screen Specs||Pentax 645Z||Sony A99 II|
|Viewfinder Type||Optical viewfinder||Electronic viewfinder|
|Viewfinder Field of View||98%||100%|
|Viewfinder Resolution||2400k dots|
|Top-Level Screen||Control Panel||Control Panel|
|LCD Framing||Live View||Live View|
|Rear LCD Size||3.2inch||3.0inch|
|LCD Resolution||1037k dots||1229k dots|
|LCD Attachment||Tilting screen||Fully flexible screen|
|Shooting Specs||Pentax 645Z||Sony A99 II|
|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||12 shutter flaps/s|
|Shutter Life Expectancy||100 000 actuations||300 000 actuations|
|Time-Lapse Photography||Intervalometer built-in||no Intervalometer|
|Image Stabilization||Lens stabilization only||In-body stabilization|
|Fill Flash||no On-Board Flash||no On-Board Flash|
|Storage Medium||SDXC cards||MS or SDXC cards|
|Second Storage Option||Dual card slots||Dual card slots|
|UHS card support||UHS-I||UHS-I|
|Connectivity Specs||Pentax 645Z||Sony A99 II|
|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|
|Near-Field Communication||no NFC||NFC built-in|
|Bluetooth Support||no Bluetooth||Bluetooth built-in|
|Body Specs||Pentax 645Z||Sony A99 II|
|Environmental Sealing||Weathersealed body||Weathersealed body|
|Battery Life (CIPA)||650 shots per charge||490 shots per charge|
156 x 117 x 123 mm
(6.1 x 4.6 x 4.8 in)
143 x 104 x 76 mm
(5.6 x 4.1 x 3.0 in)
|Camera Weight||1550 g (54.7 oz)||849 g (29.9 oz)|
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