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Pentax 645Z vs Sony NEX-F3

The Pentax 645Z and the Sony Alpha NEX-F3 are two digital cameras that were revealed to the public, respectively, in April 2014 and May 2012. The 645Z is a DSLR, while the NEX-F3 is a mirrorless interchangeable lens camera. The cameras are based on a medium format (645Z) and an APS-C (NEX-F3) sensor. The Pentax has a resolution of 51.1 megapixels, whereas the Sony provides 16 MP.

Below is an overview of the main specs of the two cameras as a starting point for the comparison.

Headline Specifications
Pentax 645Z
versus
Sony NEX-F3
Pentax 645Z   Sony NEX-F3
Digital single lens reflex Mirrorless system camera
Pentax 645 mount lenses Sony E mount lenses
51.1 MP, Medium Format Sensor 16 MP, APS-C Sensor
1080/60i Video 1080/60i Video
ISO 100-204,800 ISO 100-16,000
Optical viewfinder Viewfinder optional
3.2 LCD, 1037k dots 3.0 LCD, 920k dots
Tilting screen (no touchscreen) Tilting screen (not touch-sensitive)
3 shutter flaps per second 5.5 shutter flaps per second
Weathersealed bodynot weather sealed
650 shots per battery charge470 shots per battery charge
156 x 117 x 123 mm, 1550 g 117 x 67 x 42 mm, 314 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Pentax 645Z and the Sony Alpha NEX-F3? 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.

Body comparison

An illustration of the physical size and weight of the Pentax 645Z and the Sony NEX-F3 is provided in the side-by-side display below. The two cameras are presented according to their relative size. Three successive views from the front, the top, and the rear are shown. All width, height and depth measures are rounded to the nearest millimeter.

The NEX-F3 can be obtained in three different colors (black, silver, white), while the 645Z is only available in black.

Size Pentax 645Z vs Sony NEX-F3
Compare 645Z versus NEX-F3 top
Comparison 645Z or NEX-F3 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony NEX-F3 is considerably smaller (57 percent) than the Pentax 645Z. Moreover, the NEX-F3 is substantially lighter (80 percent) than the 645Z. It is worth mentioning in this context that the 645Z is splash and dust resistant, while the NEX-F3 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 645Z gets 650 shots out of its D-LI90 battery, while the NEX-F3 can take 470 images on a single charge of its NP-FW50 power pack.

The following table provides a synthesis of the main physical specifications of the two cameras and other similar ones. 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.

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Body Specifications
    Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Pentax 645Z 156 mm 117 mm 123 mm 1550 g 650 Y Apr 2014 8,499 i
2.
 
Sony NEX-F3 117 mm 67 mm 42 mm 314 g 470 n May 2012 599i
3.
 
Canon 1D X Mark II 158 mm 168 mm 83 mm 1530 g 1210 Y Feb 2016 5,999i
4.
 
Canon 5DS 152 mm 116 mm 76 mm 930 g 700 Y Feb 2015 3,699 i
5.
 
Canon 5DS R 152 mm 116 mm 76 mm 930 g 700 Y Feb 2015 3,699 i
6.
 
Hasselblad X1D 150 mm 98 mm 71 mm 725 g .. Y Jun 2016 8,995i
7.
 
Leica SL 147 mm 104 mm 39 mm 847 g 400 Y Oct 2015 7,450i
8.
 
Nikon D850 146 mm 124 mm 79 mm 1005 g 1840 Y Jul 2017 3,299 i
9.
 
Nikon D5 160 mm 159 mm 92 mm 1415 g 3780 Y Jan 2016 6,499i
10.
 
Nikon D7200 136 mm 107 mm 76 mm 765 g 1110 Y Mar 2015 1,199i
11.
 
Nikon D4S 160 mm 157 mm 91 mm 1350 g 3020 Y Feb 2014 6,499i
12.
 
Pentax 645D 156 mm 117 mm 119 mm 1480 g 800 Y Mar 2010 9,995i
13.
 
Sony NEX-3N 110 mm 62 mm 35 mm 269 g 480 n Feb 2013 499i
14.
 
Sony NEX-5R 111 mm 59 mm 39 mm 276 g 330 n Aug 2012 749i
15.
 
Sony NEX-5N 111 mm 59 mm 38 mm 269 g 460 n Aug 2011 699i
16.
 
Sony NEX-3 117 mm 62 mm 33 mm 297 g 330 n May 2010 599i
17.
 
Sony NEX-5 111 mm 59 mm 38 mm 287 g 330 n May 2010 699i
Notes: 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 NEX-F3 was launched at a markedly lower price (by 93 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.

Sensor comparison

The size of the imaging sensor is a crucial determinant of image quality. All other things equal, a large sensor will have larger individual pixel-units that offer better low-light sensitivity, wider dynamic range, and 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 more expensive and lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Pentax 645Z features a medium format sensor and the Sony NEX-F3 an APS-C sensor. The sensor area in the NEX-F3 is 75 percent smaller. As a result of these sensor size differences, the cameras have a format factor of, respectively, 0.79 and 1.5. The sensor in the 645Z has a native 4:3 aspect ratio, while the one in the NEX-F3 offers a 3:2 aspect.

Technology-wise, both cameras are equipped with CMOS (Complementary Metal–Oxide–Semiconductor) sensors.

Pentax 645Z and Sony NEX-F3 sensor measures

With 51.1MP, the 645Z offers a higher resolution than the NEX-F3 (16MP), but the 645Z nevertheless has larger individual pixels (pixel pitch of 5.30μm versus 4.78μm for the NEX-F3) due to its larger sensor. Moreover, the 645Z is a somewhat more recent model (by 1 year and 10 months) than the NEX-F3, and its sensor might 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 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 Sony NEX-F3 are 24.6 x 16.3 inches or 62.4 x 41.5 cm for good quality, 19.6 x 13.1 inches or 49.9 x 33.2 cm for very good quality, and 16.4 x 10.9 inches or 41.6 x 27.6 cm for excellent quality prints.

The Pentax 645Z has a native sensitivity range from ISO 100 to ISO 204800. The corresponding ISO settings for the Sony Alpha NEX-F3 are ISO 100 to ISO 16000 (no boost).

645Z versus NEX-F3 MP

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"). Of the two cameras under review, the 645Z provides substantially higher image quality than the NEX-F3, with an overall score that is 28 points higher. This advantage is based on 3.3 bits higher color depth, 2.4 EV in additional dynamic range, and 2 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.

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Sensor Characteristics
    Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Pentax 645Z Medium Format 51.1 8256 61921080/60i26.014.74505101
2.
 
Sony NEX-F3 APS-C 16.0 4912 32641080/60i22.712.3111473
3.
 
Canon 1D X Mark II Full Frame 20.0 5472 36484K/60p24.113.5320788
4.
 
Canon 5DS Full Frame 50.3 8688 57921080/30p24.712.4238187
5.
 
Canon 5DS R Full Frame 50.3 8688 57921080/30p24.612.4230886
6.
 
Hasselblad X1D Medium Format 51.3 8272 62001080/25p26.214.84489102
7.
 
Leica SL Full Frame 24.0 6000 40004K/30p25.013.4182188
8.
 
Nikon D850 Full Frame 45.4 8256 55044K/30p26.414.82660100
9.
 
Nikon D5 Full Frame 20.7 5588 37124K/30p25.112.3234388
10.
 
Nikon D7200 APS-C 24.0 6000 40001080/60p24.514.6133387
11.
 
Nikon D4S Full Frame 16.2 4928 32801080/60p24.413.3307489
12.
 
Pentax 645D Medium Format 39.5 7264 5440none24.612.6126282
13.
 
Sony NEX-3N APS-C 16.0 4912 32641080/60i22.812.5106774
14.
 
Sony NEX-5R APS-C 16.0 4912 32641080/60i23.713.191078
15.
 
Sony NEX-5N APS-C 16.0 4912 32641080/60i23.612.7107977
16.
 
Sony NEX-3 APS-C 14.0 4592 3056720/30p22.112.083068
17.
 
Sony NEX-5 APS-C 14.0 4592 30561080/60i22.212.279669

Many modern cameras cannot only take still pictures, but also record videos. Both cameras under consideration have a sensor with sufficiently fast read-out times for moving pictures, and both provide the same movie specifications (1080/60i).

Feature comparison

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 NEX-F3 relies on live view and the rear LCD for framing. That said, the NEX-F3 can be equipped with an optional viewfinder – the FDA-EV1S. The table below summarizes some of the other core capabilities of the Pentax 645Z and Sony NEX-F3 in connection with corresponding information for a sample of similar cameras.

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Core Features
    Camera
Model
Viewfinder
(Type or
000 dots)
Control
Panel
(yes/no)
LCD
Specifications
(inch/000 dots)
LCD
Attach-
ment
Touch
Screen
(yes/no)
Mech
Shutter
Speed
Shutter
Flaps
(1/sec)
Built-in
Flash
(yes/no)
Built-in
Image
Stab
1.
 
Pentax 645Zoptical Y3.2 / 1037 tilting n 1/4000s 3.0 n n
2.
 
Sony NEX-F3optional n3.0 / 920 tilting n 1/4000s 5.5 Y n
3.
 
Canon 1D X Mark IIoptical Y3.2 / 1620 fixed Y 1/8000s 16.0 n n
4.
 
Canon 5DSoptical Y3.2 / 1040 fixed n 1/8000s 5.0 n n
5.
 
Canon 5DS Roptical Y3.2 / 1040 fixed n 1/8000s 5.0 n n
6.
 
Hasselblad X1D2360 n3.0 / 920 fixed Y 1/2000s 2.3 n n
7.
 
Leica SL4400 Y3.0 / 1040 fixed Y 1/8000s 11.0 n n
8.
 
Nikon D850optical Y3.2 / 2359 tilting Y 1/8000s 9.0 n n
9.
 
Nikon D5optical Y3.2 / 2359 fixed Y 1/8000s 14.0 n n
10.
 
Nikon D7200optical Y3.2 / 1229 fixed n 1/8000s 6.0 Y n
11.
 
Nikon D4Soptical Y3.2 / 921 fixed n 1/8000s 11.0 n n
12.
 
Pentax 645Doptical Y3.0 / 921 fixed n 1/4000s 1.1 n n
13.
 
Sony NEX-3Noptional n3.0 / 460 tilting n 1/4000s 4.0 Y n
14.
 
Sony NEX-5Roptional n3.0 / 920 tilting Y 1/4000s 10.0 n n
15.
 
Sony NEX-5Noptional n3.0 / 920 tilting Y 1/4000s 10.0 n n
16.
 
Sony NEX-3optional n3.0 / 920 tilting n 1/4000s 7.0 n n
17.
 
Sony NEX-5optional n3.0 / 920 tilting n 1/4000s 7.0 n n

One feature that is present on the 645Z, but is missing on the NEX-F3 is a top-level LCD. While being, of course, smaller than the rear screen, the control panel conveys some of the essential shooting information and can be convenient for quick and easy settings verification.

The NEX-F3 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 NEX-F3 uses SDXC or Memory Stick PRO Duo cards. The 645Z features dual card slots, which can be very useful in case a memory card fails. In contrast, the NEX-F3 only has one slot. The 645Z supports UHS-I cards (Ultra High Speed data transfer of up to 104 MB/s), while the NEX-F3 cannot take advantage of Ultra High Speed SD cards.

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 Pentax 645Z and Sony Alpha NEX-F3 and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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Input-Output Connections
    Camera
Model
Hotshoe
Port
Internal
Mic / Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Pentax 645ZYstereo / monoY-mini3.0---
2.
 
Sony NEX-F3Ystereo / mono--mini2.0---
3.
 
Canon 1D X Mark IIYmono / monoYYmini3.0---
4.
 
Canon 5DSYmono / monoY-mini3.0---
5.
 
Canon 5DS RYmono / monoY-mini3.0---
6.
 
Hasselblad X1DYstereo / monoYYmini3.0Y--
7.
 
Leica SLYstereo / monoYYfull3.0Y--
8.
 
Nikon D850Ystereo / monoYYmini3.0YYY
9.
 
Nikon D5Ystereo / monoYYmini3.0---
10.
 
Nikon D7200Ystereo / monoYYmini2.0YY-
11.
 
Nikon D4SYmono / monoYYmini2.0---
12.
 
Pentax 645DYstereo / ----2.0---
13.
 
Sony NEX-3N-stereo / mono--micro2.0---
14.
 
Sony NEX-5RYstereo / mono--mini2.0Y--
15.
 
Sony NEX-5NYstereo / mono--mini2.0---
16.
 
Sony NEX-3Ystereo / mono--mini2.0---
17.
 
Sony NEX-5Ystereo / mono--mini2.0---

It is notable that the 645Z has a microphone port, which is missing on the NEX-F3. Such an external microphone input can help to substantially improve the quality of audio recordings when a good external microphone is used.

Studio photographers will appreciate that the Pentax 645Z (unlike the NEX-F3) 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 NEX-F3 has been discontinued (but can be found pre-owned on eBay). There has not been a direct replacement model for the NEX-F3 from Sony. 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.

Review summary

So how do things add up? Is there a clear favorite between the Pentax 645Z and the Sony NEX-F3? Which camera is better? The listing below highlights the relative strengths of the two models.

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Reasons to prefer the Pentax 645Z:

  • More detail: Offers more megapixels (51.1 vs 16MP) with a 75% higher linear resolution.
  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • Better image quality: Scores substantially higher (28 points) in the DXO overall assessment.
  • Richer colors: Generates images with noticeably better colors (3.3 bits more color depth).
  • More dynamic range: Captures a larger spectrum of light and dark details (2.4 EV of extra DR).
  • Better low-light sensitivity: Requires less light for good images (2 stops ISO advantage).
  • 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 an LCD display on top to control shooting parameters.
  • Larger screen: Has a bigger rear LCD (3.2" vs 3.0") for image review and settings control.
  • More detailed LCD: Has a higher resolution rear screen (1037k vs 920k dots).
  • Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
  • Longer lasting: Can take more shots (650 versus 470) on a single battery charge.
  • Better sealing: Is weather sealed to enable shooting in dusty or wet environments.
  • 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.
  • Faster buffer clearing: Has an SD card interface that supports the UHS-I standard.
  • More modern: Is somewhat more recent (announced 1 year and 10 months after the NEX-F3).

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Advantages of the Sony Alpha NEX-F3:

  • 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 (5.5 vs 3 flaps/sec) to capture the decisive moment.
  • More compact: Is smaller (117x67mm vs 156x117mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 1236g or 80 percent) and is thus easier to take along.
  • More legacy lens friendly: Can use many non-native lenses via adapters.
  • Easier fill-in: Has a small integrated flash to brighten shadows of backlit subjects.
  • More affordable: Was introduced into a lower priced category (93 percent cheaper at launch).
  • More heavily discounted: Has been on the market for longer (launched in May 2012).

If the number of relative strengths (bullet points above) is taken as a guide, the 645Z is the clear winner of the match-up (19 : 9 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.

645Z 19:09 NEX-F3

How about other alternatives? Do the specifications of the Pentax 645Z and the Sony NEX-F3 place the cameras among the top in their class? Find out in the latest Best DSLR Camera and Best Mirrorless Interchangeable Lens Camera listings whether the two cameras rank among the cream of the crop.

In any case, while the comparison of technical specifications can provide a useful overview of the capabilities of different cameras, it remains partial and cannot reveal, for example, the shooting experience and imaging performance when actually working with the 645Z or the NEX-F3. 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.

Expert reviews

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.

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Expert Camera Reviews
     Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Pentax 645Z5/5......4.5/55/5 Apr 2014 8,499 i
2.
 
Sony NEX-F34/5....74/1004.5/54.5/5 May 2012 599i
3.
 
Canon 1D X Mark II....4.5/589/1004.5/54.5/5 Feb 2016 5,999i
4.
 
Canon 5DS..+..83/1004.5/54.5/5 Feb 2015 3,699 i
5.
 
Canon 5DS R5/5+..83/1005/54.5/5 Feb 2015 3,699 i
6.
 
Hasselblad X1D..o..81/100..4/5 Jun 2016 8,995i
7.
 
Leica SL4/5..4/584/1004.5/54/5 Oct 2015 7,450i
8.
 
Nikon D8504.5/5+ +5/589/1004.5/55/5 Jul 2017 3,299 i
9.
 
Nikon D5....4/589/1004.5/55/5 Jan 2016 6,499i
10.
 
Nikon D72004/5+ +..84/1004.5/54.5/5 Mar 2015 1,199i
11.
 
Nikon D4S5/5......4.5/54.5/5 Feb 2014 6,499i
12.
 
Pentax 645D5/5.......... Mar 2010 9,995i
13.
 
Sony NEX-3N3/5......4.5/54.5/5 Feb 2013 499i
14.
 
Sony NEX-5R........4.5/54.5/5 Aug 2012 749i
15.
 
Sony NEX-5N3/5+ +..79/1004.5/54.5/5 Aug 2011 699i
16.
 
Sony NEX-3......70/1004.5/54/5 May 2010 599i
17.
 
Sony NEX-53/5+ +..71/1004.5/54/5 May 2010 699i
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

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. 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, kindly note that some of the listed sites have over time developped their review approaches and their reporting style.

Pentax 645Z:
Check Amazon price
Sony NEX-F3:
Check Ebay offers

Other camera comparisons

Did this review help to inform your camera decision process? In case you would like to check on the differences and similarities of other camera models, just use the search menu below. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting.

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    Specifications: Pentax 645Z vs Sony NEX-F3

    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 Pentax 645Z Sony NEX-F3
    Camera Type Digital single lens reflex Mirrorless system camera
    Camera Lens Pentax 645 mount lenses Sony E mount lenses
    Launch Date April 2014 May 2012
    Launch Price USD 8,499 USD 599
    Sensor Specs Pentax 645Z Sony NEX-F3
    Sensor Technology CMOS CMOS
    Sensor Format Medium Format Sensor APS-C Sensor
    Sensor Size 43.8 x 32.8 mm 23.4 x 15.6 mm
    Sensor Area 1436.64 mm2 365.04 mm2
    Sensor Diagonal 54.7 mm 28.1 mm
    Crop Factor 0.79x 1.5x
    Sensor Resolution 51.1 Megapixels 16 Megapixels
    Image Resolution 8256 x 6192 pixels 4912 x 3264 pixels
    Pixel Pitch 5.30 μm 4.78 μm
    Pixel Density 3.56 MP/cm2 4.39 MP/cm2
    Moiré control no AA filter Anti-Alias filter
    Movie Capability 1080/60i Video 1080/60i Video
    ISO Setting 100 - 204,800 ISO 100 - 16,000 ISO
    Image Processor PRIME III BIONZ
    DXO Sensor Quality (score) 101 73
    DXO Color Depth (bits) 26.0 22.7
    DXO Dynamic Range (EV) 14.7 12.3
    DXO Low Light (ISO) 4505 1114
    Screen Specs Pentax 645Z Sony NEX-F3
    Viewfinder Type Optical viewfinder Viewfinder optional
    Viewfinder Field of View 98%
    Viewfinder Magnification 0.78x
    Top-Level Screen Control Panel no Top Display
    LCD Framing Live View Live View
    Rear LCD Size 3.2inch 3.0inch
    LCD Resolution 1037k dots 920k dots
    LCD Attachment Tilting screen Tilting screen
    Shooting Specs Pentax 645Z Sony NEX-F3
    Focus System Phase-detect AF Contrast-detect AF
    Manual Focusing AidFocus Peakingno Peaking Feature
    Continuous Shooting 3 shutter flaps/s 5.5 shutter flaps/s
    Time-Lapse PhotographyIntervalometer built-inno Intervalometer
    Fill Flash no On-Board Flash Built-in Flash
    Storage Medium SDXC cards MS or SDXC cards
    Second Storage Option Dual card slots Single card slot
    UHS card support UHS-I no
    Connectivity Specs Pentax 645Z Sony NEX-F3
    External Flash Hotshoe Hotshoe
    Studio Flash PC Sync socket no PC Sync
    USB Connector USB 3.0 USB 2.0
    HDMI Port mini HDMI mini HDMI
    Microphone Port External MIC port no MIC socket
    Wifi Support no Wifi no Wifi
    Body Specs Pentax 645Z Sony NEX-F3
    Environmental SealingWeathersealed bodynot weather sealed
    Battery Type D-LI90 NP-FW50
    Battery Life (CIPA)650 shots per charge470 shots per charge
    Body Dimensions 156 x 117 x 123 mm
    (6.1 x 4.6 x 4.8 in)
    117 x 67 x 42 mm
    (4.6 x 2.6 x 1.7 in)
    Camera Weight 1550 g (54.7 oz) 314 g (11.1 oz)

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