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Fujifilm X-A10 vs Pentax 645Z

The Fujifilm X-A10 and the Pentax 645Z are two digital cameras that were revealed to the public, respectively, in December 2016 and April 2014. The X-A10 is a mirrorless interchangeable lens camera, while the 645Z is a DSLR. The cameras are based on an APS-C (X-A10) and a medium format (645Z) sensor. The Fujifilm has a resolution of 16 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.

Headline Specifications
Fujifilm X-A10
versus
Pentax 645Z
Fujifilm X-A10   Pentax 645Z
Mirrorless system camera Digital single lens reflex
Fujifilm X mount lenses Pentax 645 mount lenses
16 MP – APS-C sensor 51.1 MP – Medium Format sensor
1080/30p Video 1080/60i Video
ISO 200-6,400 (100 - 25,600) ISO 100-204,800
No viewfinder, LCD framing Optical viewfinder
3.0" LCD – 1040k dots 3.2" LCD – 1037k dots
Tilting screen (no touchscreen) Tilting screen (no touchscreen)
6 shutter flaps per second 3 shutter flaps per second
not weather sealedWeathersealed body
410 shots per battery charge650 shots per battery charge
117 x 67 x 40 mm, 331 g 156 x 117 x 123 mm, 1550 g
logo
Check X-A10 offers at
ebay.com
logo
Check 645Z offers at
ebay.com

Going beyond this snapshot of core features and characteristics, what are the differences between the Fujifilm X-A10 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.

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Body comparison

The side-by-side display below illustrates the physical size and weight of the Fujifilm X-A10 and the Pentax 645Z. 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 measures are rounded to the nearest millimeter.

Size Fujifilm X-A10 vs Pentax 645Z
Compare X-A10 versus 645Z top
Comparison X-A10 or 645Z rear

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-A10. Moreover, the 645Z is substantially heavier (368 percent) than the X-A10. It is noteworthy in this context that the 645Z is splash and dust-proof, while the X-A10 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-A10 gets 410 shots out of its Fujifilm NP-W126S battery, while the 645Z can take 650 images on a single charge of its Pentax D-LI90 power pack. The power pack in the X-A10 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. 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.

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Body Specifications
  empty Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price
Street
Price
1.
 
Fujifilm X-A10 117 mm 67 mm 40 mm 331 g 410 n Dec 2016 US$ 399ebay.com
2.
 
Pentax 645Z 156 mm 117 mm 123 mm 1550 g 650 Y Apr 2014 US$ 8 499ebay.com
3.
 
Canon 5DS 152 mm 116 mm 76 mm 930 g 700 Y Feb 2015 US$ 3 699ebay.com
4.
 
Canon 5DS R 152 mm 116 mm 76 mm 930 g 700 Y Feb 2015 US$ 3 699ebay.com
5.
 
Fujifilm X-A1 117 mm 67 mm 39 mm 330 g 350 n Sep 2013 US$ 399ebay.com
6.
 
Fujifilm X-A2 117 mm 67 mm 40 mm 350 g 410 n Jan 2015 US$ 399ebay.com
7.
 
Fujifilm X-A3 117 mm 67 mm 40 mm 339 g 410 n Aug 2016 US$ 399ebay.com
8.
 
Fujifilm X-A5 117 mm 68 mm 40 mm 361 g 450 n Jan 2018 US$ 399ebay.com
9.
 
Fujifilm X-E2 129 mm 75 mm 37 mm 350 g 350 n Oct 2013 US$ 999ebay.com
10.
 
Fujifilm X-E2S 129 mm 75 mm 37 mm 350 g 350 n Jan 2016 US$ 699ebay.com
11.
 
Fujifilm X-E3 121 mm 74 mm 43 mm 337 g 350 n Sep 2017 US$ 899ebay.com
12.
 
Fujifilm X-T10 118 mm 83 mm 41 mm 381 g 350 n May 2015 US$ 799ebay.com
13.
 
Fujifilm X-T20 118 mm 83 mm 41 mm 383 g 350 n Jan 2017 US$ 899ebay.com
14.
 
Fujifilm X70 113 mm 64 mm 44 mm 340 g 330 n Jan 2016 US$ 799ebay.com
15.
 
Hasselblad X1D 150 mm 98 mm 71 mm 725 g .. Y Jun 2016 US$ 8 995ebay.com
16.
 
Leica SL 147 mm 104 mm 39 mm 847 g 400 Y Oct 2015 US$ 7 449ebay.com
17.
 
Pentax 645D 156 mm 117 mm 119 mm 1480 g 800 Y Mar 2010 US$ 9 995ebay.com
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 listed launch prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The X-A10 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.

Sensor comparison

The size of the imaging sensor is a crucial determinant 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 tend to be more expensive and lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Fujifilm X-A10 features an APS-C sensor and the Pentax 645Z a medium format sensor. The sensor area in the 645Z is 290 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-A10 has a native 3:2 aspect ratio, while the one in the 645Z offers a 4:3 aspect.

Fujifilm X-A10 and Pentax 645Z sensor measures

With 51.1MP, the 645Z offers a higher resolution than the X-A10 (16MP), but the 645Z nevertheless has larger individual pixels (pixel pitch of 5.30μm versus 4.80μm for the X-A10) due to its larger sensor. However, the X-A10 is a much more recent model (by 2 years and 7 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 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 Fujifilm X-A10 are 24.5 x 16.3 inches or 62.2 x 41.5 cm for good quality, 19.6 x 13.1 inches or 49.7 x 33.2 cm for very good quality, and 16.3 x 10.9 inches or 41.5 x 27.6 cm for excellent quality prints.

The Fujifilm X-A10 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).

Technology-wise, both cameras are equipped with CMOS (Complementary Metal–Oxide–Semiconductor) sensors. Both cameras use a Bayer filter for capturing RGB colors on a square grid of photosensors. This arrangement is found in most digital cameras.

X-A10 versus 645Z MP

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"). The following table provides an overview of the physical sensor characteristics, as well as the sensor quality measurements for a selection of comparators.

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Sensor Characteristics
  empty Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Fujifilm X-A10 APS-C 16.0 4896 32641080/30p23.913.2169181
2.
 
Pentax 645Z Medium Format 51.1 8256 61921080/60i26.014.74505101
3.
 
Canon 5DS Full Frame 50.3 8688 57921080/30p24.712.4238187
4.
 
Canon 5DS R Full Frame 50.3 8688 57921080/30p24.612.4230886
5.
 
Fujifilm X-A1 APS-C 16.0 4896 32641080/30p23.412.6139076
6.
 
Fujifilm X-A2 APS-C 16.0 4896 32641080/30p23.612.8151579
7.
 
Fujifilm X-A3 APS-C 24.0 6000 40001080/60p23.813.1166381
8.
 
Fujifilm X-A5 APS-C 24.0 6000 40004K/15p24.013.3180082
9.
 
Fujifilm X-E2 APS-C 16.0 4896 32641080/60p23.412.6140077
10.
 
Fujifilm X-E2S APS-C 16.0 4896 32641080/60p23.713.0160880
11.
 
Fujifilm X-E3 APS-C 24.0 6000 40004K/30p23.913.3176482
12.
 
Fujifilm X-T10 APS-C 16.0 4896 32641080/60p23.712.9154679
13.
 
Fujifilm X-T20 APS-C 24.0 6000 40004K/30p23.913.2170481
14.
 
Fujifilm X70 APS-C 16.0 4896 32641080/60p23.713.0160880
15.
 
Hasselblad X1D Medium Format 51.3 8272 62001080/25p26.214.84489102
16.
 
Leica SL Full Frame 24.0 6000 40004K/30p25.013.4182188
17.
 
Pentax 645D Medium Format 39.5 7264 5440none24.612.6126282
Note: DXO values in italics represent estimates based on sensor size and age.

Many modern cameras are not only capable of taking still images, but also of capturing video footage. Both cameras under consideration have a sensor with sufficiently fast read-out times for moving pictures, but the 645Z provides a faster frame rate than the X-A10. It can shoot movie footage at 1080/60i, while the Fujifilm is limited to 1080/30p.

Feature comparison

Apart from body and sensor, cameras can and do differ across a variety of features. For example, the 645Z has an optical viewfinder, which can be very useful when shooting in bright sunlight. In contrast, the X-A10 relies on live view and the rear LCD for framing. The table below summarizes some of the other core capabilities of the Fujifilm X-A10 and Pentax 645Z in connection with corresponding information for a sample of similar cameras.

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Core Features
  empty Camera
Model
Viewfinder
(Type or
000 dots)
Control
Panel
(yes/no)
LCD
Specifications
(inch/000 dots)
LCD
Attach-
ment
Touch
Screen
(yes/no)
Max
Shutter
Speed *
Max
Shutter
Flaps *
Built-in
Flash
(yes/no)
Built-in
Image
Stab
1.
 
Fujifilm X-A10none n3.0 / 1040 tilting n 1/4000s 6.0/s Y n
2.
 
Pentax 645Zoptical Y3.2 / 1037 tilting n 1/4000s 3.0/s n n
3.
 
Canon 5DSoptical Y3.2 / 1040 fixed n 1/8000s 5.0/s n n
4.
 
Canon 5DS Roptical Y3.2 / 1040 fixed n 1/8000s 5.0/s n n
5.
 
Fujifilm X-A1none n3.0 / 920 tilting n 1/4000s 5.6/s Y n
6.
 
Fujifilm X-A2none n3.0 / 920 tilting n 1/4000s 5.6/s Y n
7.
 
Fujifilm X-A3none n3.0 / 1040 tilting Y 1/4000s 6.0/s Y n
8.
 
Fujifilm X-A5none n3.0 / 1040 tilting Y 1/4000s 6.0/s Y n
9.
 
Fujifilm X-E22360 n3.0 / 1040 fixed n 1/4000s 7.0/s Y n
10.
 
Fujifilm X-E2S2360 n3.0 / 1040 fixed n 1/4000s 7.0/s Y n
11.
 
Fujifilm X-E32360 n3.0 / 1040 fixed Y 1/4000s 8.0/s n n
12.
 
Fujifilm X-T102360 n3.0 / 920 tilting n 1/4000s 8.0/s Y n
13.
 
Fujifilm X-T202360 n3.0 / 1040 tilting Y 1/4000s 8.0/s Y n
14.
 
Fujifilm X70optional n3.0 / 1040 tilting Y 1/4000s 8.0/s Y n
15.
 
Hasselblad X1D2360 n3.0 / 920 fixed Y 1/2000s 2.3/s n n
16.
 
Leica SL4400 Y3.0 / 1040 fixed Y 1/8000s 11.0/s n n
17.
 
Pentax 645Doptical Y3.0 / 921 fixed n 1/4000s 1.1/s n n
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.

One difference between the cameras concerns the presence of an on-board flash. The X-A10 has one, while the 645Z does not. While the built-in flash of the X-A10 is not very powerful, it can at times be useful as a fill-in light.

The X-A10 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-A10 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-A10 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-A10 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-A10 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.

Connectivity comparison

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-A10 and Pentax 645Z and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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Input-Output Connections
  empty Camera
Model
Hotshoe
Port
Internal
Mic / Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Fujifilm X-A10-stereo / mono--micro2.0Y--
2.
 
Pentax 645ZYstereo / monoY-mini3.0---
3.
 
Canon 5DSYmono / monoY-mini3.0---
4.
 
Canon 5DS RYmono / monoY-mini3.0---
5.
 
Fujifilm X-A1Ystereo / mono--mini2.0Y--
6.
 
Fujifilm X-A2Ystereo / mono--mini2.0Y--
7.
 
Fujifilm X-A3Ystereo / mono--micro2.0Y--
8.
 
Fujifilm X-A5Ystereo / monoY-micro2.0Y-Y
9.
 
Fujifilm X-E2Ystereo / monoY-micro2.0Y--
10.
 
Fujifilm X-E2SYstereo / monoY-micro2.0Y--
11.
 
Fujifilm X-E3Ystereo / monoY-micro2.0Y-Y
12.
 
Fujifilm X-T10Ystereo / monoY-micro2.0Y--
13.
 
Fujifilm X-T20Ystereo / monoY-micro2.0Y--
14.
 
Fujifilm X70Ystereo / monoY-micro2.0Y--
15.
 
Hasselblad X1DYstereo / monoYYmini3.0Y--
16.
 
Leica SLYstereo / monoYYfull3.0Y--
17.
 
Pentax 645DYstereo / ----2.0---

It is notable that the X-A10 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-A10) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

Both the X-A10 and the 645Z have been discontinued, but can regularly be found used on ebay. The X-A10 was replaced by the Fujifilm X-A5, while the 645Z does not have a direct successor. Further information on the features and operation of the X-A10 and 645Z can be found, respectively, in the Fujifilm X-A10 Manual (free pdf) or the online Pentax 645Z Manual.

Review summary

So what conclusions can be drawn? Is the Fujifilm X-A10 better than the Pentax 645Z or vice versa? A synthesis of the relative strong points of each of the models is listed below.

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Reasons to prefer the Fujifilm X-A10:

  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • 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 1219g or 79 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 7 months of technical progress since the 645Z launch.

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Advantages of the Pentax 645Z:

  • More detail: Has more megapixels (51.1 vs 16MP), which boosts linear resolution by 75%.
  • 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.
  • 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.
  • 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 around for much 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 (18 : 12 points). However, the relevance of individual strengths will vary across photographers, so that you might want to apply your own weighing scheme to the summary points when reflecting and deciding on a new camera. A professional sports photographer will view the differences between cameras in a way that diverges from the perspective of a street photog, and a person interested in family portraits has distinct needs from a landscape shooter. Hence, the decision which camera is best and worth buying is often a very personal one.

X-A10 12:18 645Z

How about other alternatives? Do the specifications of the Fujifilm X-A10 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 specs-based evaluation of cameras can be instructive in revealing their potential as photographic tools, it says little about, for example, the shooting experience and imaging performance of the X-A10 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.

Expert reviews

This is why hands-on reviews by experts are important. The following table reports the overall ratings of the cameras as published by some of the major 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.

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Expert Camera Reviews
  empty  Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price
Street
Price
1.
 
Fujifilm X-A10........4/54/5 Dec 2016 US$ 399ebay.com
2.
 
Pentax 645Z5/5..3.5/5..4.5/55/5 Apr 2014 US$ 8 499ebay.com
3.
 
Canon 5DS..+..83/1004.5/54.5/5 Feb 2015 US$ 3 699ebay.com
4.
 
Canon 5DS R5/5+..83/1005/54.5/5 Feb 2015 US$ 3 699ebay.com
5.
 
Fujifilm X-A1........4.5/54.5/5 Sep 2013 US$ 399ebay.com
6.
 
Fujifilm X-A24/5......4.5/54.5/5 Jan 2015 US$ 399ebay.com
7.
 
Fujifilm X-A3......74/1004.5/54/5 Aug 2016 US$ 399ebay.com
8.
 
Fujifilm X-A5..+4.1/5..4/53.5/5 Jan 2018 US$ 399ebay.com
9.
 
Fujifilm X-E24/5....80/1004.5/55/5 Oct 2013 US$ 999ebay.com
10.
 
Fujifilm X-E2S4.5/5....77/1004.5/54.5/5 Jan 2016 US$ 699ebay.com
11.
 
Fujifilm X-E34.5/5+4.5/584/1004.5/54.5/5 Sep 2017 US$ 899ebay.com
12.
 
Fujifilm X-T104.5/5+ +..80/1005/55/5 May 2015 US$ 799ebay.com
13.
 
Fujifilm X-T205/5+ +5/582/1005/54.5/5 Jan 2017 US$ 899ebay.com
14.
 
Fujifilm X704.5/5....76/1004.5/54.5/5 Jan 2016 US$ 799ebay.com
15.
 
Hasselblad X1D..o..81/100..4/5 Jun 2016 US$ 8 995ebay.com
16.
 
Leica SL4/5..4/584/1004.5/54/5 Oct 2015 US$ 7 449ebay.com
17.
 
Pentax 645D5/5.......... Mar 2010 US$ 9 995ebay.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

Care should be taken when interpreting the review scores above, though. The assessments were made in relation to similar cameras of the same technological generation. A score, therefore, has to be seen in close connection to the price and market introduction time of the camera, and rating-comparisons among cameras that span long time periods or concern very differently equipped models make little sense. Also, kindly note that some of the listed sites have over time developped their review approaches and their reporting style.

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Check X-A10 offers at
ebay.com
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Check 645Z offers at
ebay.com

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. There is also a set of direct links to comparison reviews that other users of the CAM-parator app explored.

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    Specifications: Fujifilm X-A10 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 Specifications
    Camera Model Fujifilm X-A10 Pentax 645Z
    Camera Type Mirrorless system camera Digital single lens reflex
    Camera Lens Fujifilm X mount lenses Pentax 645 mount lenses
    Launch Date December 2016 April 2014
    Launch Price USD 399 USD 8,499
    Sensor Specs Fujifilm X-A10 Pentax 645Z
    Sensor Technology CMOS CMOS
    Sensor Format APS-C Sensor Medium Format Sensor
    Sensor Size 23.6 x 15.6 mm 43.8 x 32.8 mm
    Sensor Area 368.16 mm2 1436.64 mm2
    Sensor Diagonal 28.3 mm 54.7 mm
    Crop Factor 1.5x 0.79x
    Sensor Resolution 16 Megapixels 51.1 Megapixels
    Image Resolution 4896 x 3264 pixels 8256 x 6192 pixels
    Pixel Pitch 4.80 μm 5.30 μm
    Pixel Density 4.34 MP/cm2 3.56 MP/cm2
    Moiré control Anti-Alias filter no AA filter
    Movie Capability 1080/30p Video 1080/60i Video
    ISO Setting 200 - 6,400 ISO 100 - 204,800 ISO
    ISO Boost 100 - 25,600 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-A10 Pentax 645Z
    Viewfinder Type no viewfinder Optical viewfinder
    Viewfinder Field of View 98%
    Viewfinder Magnification 0.78x
    Top-Level Screen no Top Display Control Panel
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.2inch
    LCD Resolution 1040k dots 1037k dots
    LCD Attachment Tilting screen Tilting screen
    Shooting Specs Fujifilm X-A10 Pentax 645Z
    Focus System Contrast-detect AF Phase-detect AF
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/4000s 1/4000s
    Continuous Shooting 6 shutter flaps/s 3 shutter flaps/s
    Electronic Shutterup to 1/32000sno E-Shutter
    Time-Lapse PhotographyIntervalometer built-inIntervalometer built-in
    Fill Flash Built-in Flash no On-Board Flash
    Storage Medium SDXC cards SDXC cards
    Single or Dual Card Slots Single card slot Dual card slots
    UHS card support UHS-I UHS-I
    Connectivity Specs Fujifilm X-A10 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
    Body Specs Fujifilm X-A10 Pentax 645Z
    Environmental Sealingnot weather sealedWeathersealed body
    Battery Type Fujifilm NP-W126S Pentax D-LI90
    Battery Life (CIPA)410 shots per charge650 shots per charge
    In-Camera Charging USB charging no USB charging
    Body Dimensions 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 331 g (11.7 oz) 1550 g (54.7 oz)
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