Fujifilm X-A3 vs Pentax 645Z
The Fujifilm X-A3 and the Pentax 645Z are two digital cameras that were announced, respectively, in August 2016 and April 2014. The X-A3 is a mirrorless interchangeable lens camera, while the 645Z is a DSLR. The cameras are based on an APS-C (X-A3) and a medium format (645Z) sensor. The Fujifilm has a resolution of 24 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.
|Fujifilm X-A3||Pentax 645Z|
|Mirrorless system camera||Digital single lens reflex|
|Fujifilm X mount lenses||Pentax 645 mount lenses|
|24 MP, APS-C Sensor||51.1 MP, Medium Format Sensor|
|1080/60p Video||1080/60i Video|
|ISO 200-6400 (100-25600)||ISO 100-204800|
|No viewfinder, LCD framing||Optical viewfinder|
|3.0" LCD, 1040k dots||3.2" LCD, 1037k dots|
|Tilting touchscreen||Tilting screen (not touch-sensitive)|
|6 shutter flaps per second||3 shutter flaps per second|
|Not weather sealed||Weathersealed body|
|410 shots per battery charge||650 shots per battery charge|
|117 x 67 x 40 mm, 339 g||156 x 117 x 123 mm, 1550 g|
Going beyond this snapshot of core features and characteristics, what are the differences between the Fujifilm X-A3 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 Fujifilm X-A3 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 width, height and depth dimensions are rounded to the nearest millimeter.
The X-A3 can be obtained in three different colors (silver, brown, pink), 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 (133 percent) than the Fujifilm X-A3. Moreover, the 645Z is substantially heavier (357 percent) than the X-A3. It is noteworthy in this context that the 645Z is splash and dust-proof, while the X-A3 does not feature any corresponding weather-sealing.
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.
Concerning battery life, the X-A3 gets 410 shots out of its NP-W126S battery, while the 645Z can take 650 images on a single charge of its D-LI90 power pack. The power pack in the X-A3 can be charged via the USB port, so that it is not always necessary to take the battery charger along when travelling.
The following table provides a synthesis of the main physical specifications of the two cameras and other similar ones. If you want to switch the focus of the display and review another camera pair, just select a new right or left comparator from among the camera models in the table. Alternatively, you can also move across to the CAM-parator tool and choose from the broad selection of possible camera comparisons there.
|Fujifilm X-A3»||4.6 in||2.6 in||1.6 in||12.0 oz||410||n||Aug 2016||399||Fujifilm X-A3|
|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|
|Fujifilm X-T200« »||4.8 in||3.3 in||2.2 in||13.1 oz||270||n||Jan 2020||699||Fujifilm X-T200|
|Fujifilm X-T30« »||4.6 in||3.3 in||1.9 in||13.5 oz||380||n||Feb 2019||899||Fujifilm X-T30|
|Fujifilm X-A7« »||4.7 in||2.7 in||1.6 in||11.3 oz||440||n||Sep 2019||499||Fujifilm X-A7|
|Fujifilm X-A5« »||4.6 in||2.7 in||1.6 in||12.7 oz||450||n||Jan 2018||399||Fujifilm X-A5|
|Fujifilm X-E3« »||4.8 in||2.9 in||1.7 in||11.9 oz||350||n||Sep 2017||899||Fujifilm X-E3|
|Fujifilm X-T20« »||4.6 in||3.3 in||1.6 in||13.5 oz||350||n||Jan 2017||899||Fujifilm X-T20|
|Fujifilm X-A10« »||4.6 in||2.6 in||1.6 in||11.7 oz||410||n||Dec 2016||399||Fujifilm X-A10|
|Fujifilm X-A2« »||4.6 in||2.6 in||1.6 in||12.3 oz||410||n||Jan 2015||399||Fujifilm X-A2|
|Fujifilm X-T10« »||4.6 in||3.3 in||1.6 in||13.4 oz||350||n||May 2015||799||Fujifilm X-T10|
|Fujifilm X-A1« »||4.6 in||2.6 in||1.5 in||11.6 oz||350||n||Sep 2013||399||Fujifilm X-A1|
|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|
|Pentax 645D« »||6.1 in||4.6 in||4.7 in||52.2 oz||800||Y||Mar 2010||9,995||Pentax 645D|
|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 X-A3 was launched at a markedly lower price (by 95 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 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 are more costly to manufacture and tend to lead to bigger and heavier cameras and lenses.
Of the two cameras under consideration, the Fujifilm X-A3 features an APS-C sensor and the Pentax 645Z a medium format sensor. The sensor area in the 645Z is 289 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.5 and 0.79. The sensor in the X-A3 has a native 3:2 aspect ratio, while the one in the 645Z offers a 4:3 aspect.
Technology-wise, both cameras are equipped with CMOS (Complementary Metal–Oxide–Semiconductor) sensors.
With 51.1MP, the 645Z offers a higher resolution than the X-A3 (24MP), but the 645Z nevertheless has larger individual pixels (pixel pitch of 5.30μm versus 3.92μm for the X-A3) due to its larger sensor. However, the X-A3 is a much more recent model (by 2 years and 4 months) than the 645Z, and its sensor will 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 Fujifilm X-A3 are 30 x 20 inch or 76.2 x 50.8 cm for good quality, 24 x 16 inch or 61 x 40.6 cm for very good quality, and 20 x 13.3 inch or 50.8 x 33.9 cm for excellent quality prints.
The Fujifilm X-A3 has a native sensitivity range from ISO 200 to ISO 6400, which can be extended to ISO 100-25600. The corresponding ISO settings for the Pentax 645Z are ISO 100 to ISO 204800 (no boost).
Consistent information on actual sensor performance is available from DXO Mark for many cameras. This service is based on lab testing and assigns an overall score to each camera sensor, as well as ratings for dynamic range ("DXO Landscape"), color depth ("DXO Portrait"), and low-light sensitivity ("DXO Sports"). The following table provides an overview of the physical sensor characteristics, as well as the sensor quality measurements for a selection of comparators.
|Fujifilm X-A3||APS-C||24.0||6000||4000||1080/60p||..||..||..||..||Fujifilm X-A3|
|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|
|Fujifilm X-T200||APS-C||24.0||6000||4000||4K/30p||..||..||..||..||Fujifilm X-T200|
|Fujifilm X-T30||APS-C||26.0||6240||4160||4K/30p||..||..||..||..||Fujifilm X-T30|
|Fujifilm X-A7||APS-C||24.0||6000||4000||4K/30p||..||..||..||..||Fujifilm X-A7|
|Fujifilm X-A5||APS-C||24.0||6000||4000||4K/15p||..||..||..||..||Fujifilm X-A5|
|Fujifilm X-E3||APS-C||24.0||6000||4000||4K/30p||..||..||..||..||Fujifilm X-E3|
|Fujifilm X-T20||APS-C||24.0||6000||4000||4K/30p||..||..||..||..||Fujifilm X-T20|
|Fujifilm X-A10||APS-C||16.0||4896||3264||1080/30p||..||..||..||..||Fujifilm X-A10|
|Fujifilm X-A2||APS-C||16.0||4896||3264||1080/30p||..||..||..||..||Fujifilm X-A2|
|Fujifilm X-T10||APS-C||16.0||4896||3264||1080/60p||..||..||..||..||Fujifilm X-T10|
|Fujifilm X-A1||APS-C||16.0||4896||3264||1080/30p||..||..||..||..||Fujifilm X-A1|
|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|
|Pentax 645D||Medium Format||39.5||7264||5440||none||24.6||12.6||1262||82||Pentax 645D|
Many modern cameras are not only capable of taking still images, but can also record movies. Both cameras under consideration are equipped with sensors that have a sufficiently high read-out speed for moving images, but the X-A3 provides a higher frame rate than the 645Z. It can shoot video footage at 1080/60p, while the Pentax is limited to 1080/60i.
Beyond 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 X-A3 relies on live view and the rear LCD for framing. The following table reports on some other key feature differences and similarities of the Fujifilm X-A3, the Pentax 645Z, and comparable cameras.
|Fujifilm X-A3||none||n||3.0||1040||tilting||Y||1/4000s||6.0||Y||n||Fujifilm X-A3|
|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|
|Fujifilm X-T200||2360||n||3.5||2780||swivel||Y||1/4000s||8.0||Y||n||Fujifilm X-T200|
|Fujifilm X-T30||2360||n||3.0||1040||tilting||Y||1/4000s||8.0||Y||n||Fujifilm X-T30|
|Fujifilm X-A7||none||n||3.5||2760||swivel||Y||1/4000s||6.0||Y||n||Fujifilm X-A7|
|Fujifilm X-A5||none||n||3.0||1040||tilting||Y||1/4000s||6.0||Y||n||Fujifilm X-A5|
|Fujifilm X-E3||2360||n||3.0||1040||fixed||Y||1/4000s||8.0||n||n||Fujifilm X-E3|
|Fujifilm X-T20||2360||n||3.0||1040||tilting||Y||1/4000s||8.0||Y||n||Fujifilm X-T20|
|Fujifilm X-A10||none||n||3.0||1040||tilting||n||1/4000s||6.0||Y||n||Fujifilm X-A10|
|Fujifilm X-A2||none||n||3.0||920||tilting||n||1/4000s||5.6||Y||n||Fujifilm X-A2|
|Fujifilm X-T10||2360||n||3.0||920||tilting||n||1/4000s||8.0||Y||n||Fujifilm X-T10|
|Fujifilm X-A1||none||n||3.0||920||tilting||n||1/4000s||5.6||Y||n||Fujifilm X-A1|
|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|
|Pentax 645D||optical||Y||3.0||921||fixed||n||1/4000s||1.1||n||n||Pentax 645D|
One difference between the cameras concerns the presence of an on-board flash. The X-A3 has one, while the 645Z does not. While the built-in flash of the X-A3 is not very powerful, it can at times be useful as a fill-in light.The X-A3 has an articulated LCD that can be turned to be front-facing. This characteristic will be appreciated by vloggers and photographers who are interested in snapping selfies. In contrast, the 645Z does not have a selfie-screen.
The reported shutter speed information refers to the use of the mechanical shutter. Yet, some cameras only have an electronic shutter, while others have an electronic shutter in addition to a mechanical one. In fact, the X-A3 is one of those camera that have an additional electronic shutter, which makes completely silent shooting possible. However, this mode is less suitable for photographing moving objects (risk of rolling shutter) or shooting under artificial light sources (risk of flickering).
The Fujifilm X-A3 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 X-A3 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 X-A3 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 Fujifilm X-A3 and Pentax 645Z and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.
|Fujifilm X-A3||Y||stereo||mono||-||-||micro||2.0||Y||-||-||Fujifilm X-A3|
|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|
|Fujifilm X-T200||Y||stereo||mono||Y||Y||micro||3.1||Y||-||Y||Fujifilm X-T200|
|Fujifilm X-T30||Y||stereo||mono||Y||-||micro||3.1||Y||-||Y||Fujifilm X-T30|
|Fujifilm X-A7||Y||stereo||mono||Y||-||mini||2.0||Y||-||Y||Fujifilm X-A7|
|Fujifilm X-A5||Y||stereo||mono||Y||-||mini||2.0||Y||-||Y||Fujifilm X-A5|
|Fujifilm X-E3||Y||stereo||mono||Y||-||micro||2.0||Y||-||Y||Fujifilm X-E3|
|Fujifilm X-T20||Y||stereo||mono||Y||-||micro||2.0||Y||-||-||Fujifilm X-T20|
|Fujifilm X-A10||-||stereo||mono||-||-||mini||2.0||Y||-||-||Fujifilm X-A10|
|Fujifilm X-A2||Y||stereo||mono||-||-||mini||2.0||Y||-||-||Fujifilm X-A2|
|Fujifilm X-T10||Y||stereo||mono||Y||-||micro||2.0||Y||-||-||Fujifilm X-T10|
|Fujifilm X-A1||Y||stereo||mono||-||-||mini||2.0||Y||-||-||Fujifilm X-A1|
|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|
|Pentax 645D||Y||stereo||none||-||-||none||2.0||-||-||-||Pentax 645D|
It is notable that the X-A3 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 X-A3) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.
The 645Z is a recent model that features in the current product line-up of Pentax. In contrast, the X-A3 has been discontinued (but it can be found pre-owned on eBay). As a replacement in the same line of cameras, the X-A3 was succeeded by the Fujifilm X-A5. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Fujifilm and Pentax websites.
So what conclusions can be drawn? Which of the two cameras – the Fujifilm X-A3 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.
Reasons to prefer the Fujifilm X-A3:
- Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
- Better video: Provides higher movie framerates (1080/60p versus 1080/60i).
- Fewer buttons to press: Is equipped with a touch-sensitive rear screen to facilitate handling.
- More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
- Faster burst: Shoots at higher frequency (6 vs 3 flaps/sec) to capture the decisive moment.
- Less disturbing: Has an electronic shutter option for completely silent shooting.
- More compact: Is smaller (117x67mm vs 156x117mm) and thus needs less room in the bag.
- Less heavy: Is lighter (by 1211g or 78 percent) and hence easier to carry around.
- Easier travel charging: Can be conveniently charged via its USB port.
- More legacy lens friendly: Can take a broad range of non-native lenses via adapters.
- Easier fill-in: Is equipped with a small onboard flash to brighten deep shadow areas.
- 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 (95 percent cheaper at launch).
- More modern: Reflects 2 years and 4 months of technical progress since the 645Z launch.
Arguments in favor of the Pentax 645Z:
- More detail: Has more megapixels (51.1 vs 24MP), which boosts linear resolution by 43%.
- 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 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.
- Longer lasting: Gets more shots (650 versus 410) out of a single battery charge.
- Better sealing: Is splash and dust sealed for shooting in inclement weather conditions.
- 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 around for much longer (launched in April 2014).
If the count of individual advantages (bullet points above) is taken as a guide, the 645Z emerges as the winner of the match-up (16 : 13 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 Fujifilm X-A3 and the Pentax 645Z place the cameras among the top in their class? Find out in the latest Best Mirrorless Interchangeable Lens 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 says little about, for example, the shooting experience and imaging performance of the X-A3 and the 645Z in practical situations. User reviews, such as those found at amazon, can sometimes inform about these issues, but such feedback is often incomplete, inconsistent, and biased.
This is where reviews by experts come in. The following table reports the overall ratings of the cameras as published by some of the major 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 review scores listed above should be treated with care, though. The ratings were established in reference to similarly priced cameras that were available in the market at the time of the review. A score, therefore, has to be seen in close connection to the price and market introduction time of the camera, and comparing ratings of very distinct cameras or ones that are far apart in terms of their release date have little meaning. 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 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 1D Mark II N vs Fujifilm X-A3
- Canon G9 X Mark II vs Fujifilm X-A3
- Canon T4i vs Pentax 645Z
- Fujifilm X-A3 vs Sony A6300
- Fujifilm X-A3 vs Sony A7
- Fujifilm X-A3 vs Sony RX100 VII
- Nikon P7800 vs Pentax 645Z
- Olympus E-M1X vs Pentax 645Z
- Panasonic G9 vs Pentax 645Z
- Panasonic GX9 vs Pentax 645Z
- Panasonic LX100 vs Pentax 645Z
- Pentax 645Z vs Sony A3000
Specifications: Fujifilm X-A3 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||Fujifilm X-A3||Pentax 645Z|
|Camera Type||Mirrorless system camera||Digital single lens reflex|
|Camera Lens||Fujifilm X mount lenses||Pentax 645 mount lenses|
|Launch Date||August 2016||April 2014|
|Launch Price||USD 399||USD 8499|
|Sensor Specs||Fujifilm X-A3||Pentax 645Z|
|Sensor Format||APS-C Sensor||Medium Format Sensor|
|Sensor Size||23.5 x 15.7 mm||43.8 x 32.8 mm|
|Sensor Area||368.95 mm2||1436.64 mm2|
|Sensor Diagonal||28.3 mm||54.7 mm|
|Sensor Resolution||24 Megapixels||51.1 Megapixels|
|Image Resolution||6000 x 4000 pixels||8256 x 6192 pixels|
|Pixel Pitch||3.92 μm||5.30 μm|
|Pixel Density||6.50 MP/cm2||3.56 MP/cm2|
|Moiré control||Anti-Alias filter||no AA filter|
|Movie Capability||1080/60p Video||1080/60i Video|
|ISO Setting||200-6400 ISO||100-204800 ISO|
|ISO Boost||100-25600 ISO||no Enhancement|
|DXO Sensor Quality (score)||..||101|
|DXO Color Depth (bits)||..||26.0|
|DXO Dynamic Range (EV)||..||14.7|
|DXO Low Light (ISO)||..||4505|
|Screen Specs||Fujifilm X-A3||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||1040k dots||1037k dots|
|LCD Attachment||Tilting screen||Tilting screen|
|Touch Input||Touchscreen||no Touchscreen|
|Shooting Specs||Fujifilm X-A3||Pentax 645Z|
|Focus System||Contrast-detect AF||Phase-detect AF|
|Manual Focusing Aid||Focus Peaking||Focus Peaking|
|Max Shutter Speed (mechanical)||1/4000/s||1/4000/s|
|Continuous Shooting||6 shutter flaps/s||3 shutter flaps/s|
|Electronic Shutter||up to 1/32000s||no E-Shutter|
|Time-Lapse Photography||Intervalometer built-in||Intervalometer built-in|
|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||Fujifilm X-A3||Pentax 645Z|
|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|
|Body Specs||Fujifilm X-A3||Pentax 645Z|
|Environmental Sealing||Not weather sealed||Weathersealed body|
|Battery Life (CIPA)||410 shots per charge||650 shots per charge|
|In-Camera Charging||USB charging||no USB charging|
117 x 67 x 40 mm
(4.6 x 2.6 x 1.6 in)
156 x 117 x 123 mm
(6.1 x 4.6 x 4.8 in)
|Camera Weight||339 g (12.0 oz)||1550 g (54.7 oz)|
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