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Pentax 645D vs Samsung NX500

The Pentax 645D and the Samsung NX500 are two digital cameras that were announced, respectively, in March 2010 and February 2015. The 645D is a DSLR, while the NX500 is a mirrorless interchangeable lens camera. The cameras are based on a medium format (645D) and an APS-C (NX500) sensor. The Pentax has a resolution of 39.5 megapixels, whereas the Samsung provides 28 MP.

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

Headline Specifications
Pentax 645D versus Samsung NX500
Pentax 645D Samsung NX500
Digital single lens reflex Mirrorless system camera
Pentax 645 mount lenses Samsung NX mount lenses
39.5 MP, Medium Format Sensor 28 MP, APS-C Sensor
no Video 4K/30p Video
ISO 100-1,600 ISO 100-25,600 (100 - 51,200)
Optical viewfinder No viewfinder, LCD framing
3.0 LCD, 921k dots 3.0 LCD, 1036k dots
Fixed screen (not touch-sensitive) Tilting touchscreen
1.1 shutter flaps per second 9 shutter flaps per second
Weathersealed bodynot weather sealed
800 shots per battery charge370 shots per battery charge
156 x 117 x 119 mm, 1480 g 120 x 64 x 43 mm, 287 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Pentax 645D and the Samsung NX500? 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

The physical size and weight of the Pentax 645D and the Samsung NX500 are illustrated 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 size dimensions are rounded to the nearest millimeter.

Size Pentax 645D vs Samsung NX500
Compare 645D versus NX500 top
Comparison 645D or NX500 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Samsung NX500 is considerably smaller (58 percent) than the Pentax 645D. Moreover, the NX500 is substantially lighter (81 percent) than the 645D. It is worth mentioning in this context that the 645D is splash and dust resistant, while the NX500 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.

The power pack in the NX500 can be charged via the USB port, which can be very convenient when travelling.

The following table provides a synthesis of the main physical specifications of the two cameras and other similar ones. In case you want to display and compare another camera duo, just click on the right or left arrow next to the camera that you would like to inspect. Alternatively, you can also use the CAM-parator to select your camera combination among a larger number of options.

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Body Specifications
  Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life 1
Weather
Sealing
Camera
Launch 2
Launch
Price (USD)
Street
Price
 
Pentax 645D 6.1 in 4.6 in 4.7 in 52.2 oz 800 Y Mar 2010 9,995i
 
Samsung NX500 4.7 in 2.5 in 1.7 in 10.1 oz 370 n Feb 2015 799i
 
Canon 1D X Mark II 6.2 in 6.6 in 3.3 in 54.0 oz 1210 Y Feb 2016 5,999i
 
Canon 1D X 6.2 in 6.6 in 3.3 in 54.7 oz 1120 Y Oct 2011 6,799i
 
Canon 1D Mark IV 6.1 in 6.2 in 3.1 in 43.4 oz 1500 Y Oct 2009 4,999i
 
Leica S Typ 006 6.3 in 4.7 in 3.1 in 44.4 oz .. Y Sep 2012 21,950i
 
Nikon D850 5.7 in 4.9 in 3.1 in 35.5 oz 1840 Y Jul 2017 3,299 i
 
Nikon D5600 4.9 in 3.8 in 2.8 in 16.4 oz 970 n Nov 2016 699 i
 
Nikon D5 6.3 in 6.3 in 3.6 in 49.9 oz 3780 Y Jan 2016 6,499i
 
Nikon D5500 4.9 in 3.8 in 2.8 in 14.8 oz 820 n Jan 2015 899i
 
Nikon D810 5.7 in 4.8 in 3.2 in 34.6 oz 1200 Y Jun 2014 3,299i
 
Nikon D3S 6.3 in 6.2 in 3.5 in 43.7 oz 4200 Y Oct 2009 5,199i
 
Pentax 645Z 6.1 in 4.6 in 4.8 in 54.7 oz 650 Y Apr 2014 8,499 i
 
Ricoh GR II 4.6 in 2.5 in 1.4 in 8.9 oz 320 n Jun 2015 699 i
 
Sony A5100 4.3 in 2.5 in 1.4 in 10.0 oz 400 n Aug 2014 549 i
 
Sony A6000 4.7 in 2.6 in 1.8 in 12.1 oz 360 n Feb 2014 599i
 
Sony A7R 5.0 in 3.7 in 1.9 in 16.4 oz 340 Y Oct 2013 2,299i
Notes: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.
(1) Number of images that can be taken on a full battery charge according to the CIPA-standard; (2) Official announcement.

Any camera decision will obviously take relative prices into account. The retail prices at the time of the camera’s release place the model in the market relative to other models in the producer’s line-up and the competition. The NX500 was launched at a markedly lower price (by 92 percent) than the 645D, which puts it into a different market segment. Normally, street prices remain initially close to the MSRP, but after a couple of months, the first discounts appear. 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 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 more expensive and lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Pentax 645D features a medium format sensor and the Samsung NX500 an APS-C sensor. The sensor area in the NX500 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 645D has a native 4:3 aspect ratio, while the one in the NX500 offers a 3:2 aspect.

Pentax 645D and Samsung NX500 sensor measures

With 39.5MP, the 645D offers a higher resolution than the NX500 (28MP), but the 645D nevertheless has larger individual pixels (pixel pitch of 6.06μm versus 3.63μm for the NX500) due to its larger sensor. However, the NX500 is a much more recent model (by 4 years and 10 months) than the 645D, 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 645D implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the 645D for good quality output (200 dots per inch) amounts to 36.3 x 27.2 inches or 92.3 x 69.1 cm, for very good quality (250 dpi) 29.1 x 21.8 inches or 73.8 x 55.3 cm, and for excellent quality (300 dpi) 24.2 x 18.1 inches or 61.5 x 46.1 cm. The corresponding values for the Samsung NX500 are 32.4 x 21.6 inches or 82.3 x 54.9 cm for good quality, 25.9 x 17.3 inches or 65.8 x 43.9 cm for very good quality, and 21.6 x 14.4 inches or 54.9 x 36.6 cm for excellent quality prints.

The NX500 has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.

The Pentax 645D has a native sensitivity range from ISO 100 to ISO 1600. The corresponding ISO settings for the Samsung NX500 are ISO 100 to ISO 25600, with the possibility to increase the ISO range to 100-51200.

645D versus NX500 MP

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 consideration, the NX500 has a markedly higher DXO score than the 645D (overall score 5 points higher), which will translate into better image quality. The advantage is based on 0.2 bits higher color depth, 1.3 EV in additional dynamic range, and 0.1 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.

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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
 
Pentax 645D Medium Format 39.5 7264 5440none24.612.6126282
 
Samsung NX500 APS-C 28.0 6480 43204K/30p24.813.9137987
 
Canon 1D X Mark II Full Frame 20.0 5472 36484K/60p24.113.5320788
 
Canon 1D X Full Frame 17.9 5184 34561080/30p23.811.8278682
 
Canon 1D Mark IV APS-H 16.0 4896 32641080/30p22.812.0132074
 
Leica S Typ 006 Medium Format 37.5 7500 5000none23.912.282476
 
Nikon D850 Full Frame 45.4 8256 55044K/30p26.414.82660100
 
Nikon D5600 APS-C 24.0 6000 40001080/60p24.114.0130684
 
Nikon D5 Full Frame 20.7 5588 37124K/30p25.112.3234388
 
Nikon D5500 APS-C 24.0 6000 40001080/60p24.114.0143884
 
Nikon D810 Full Frame 36.2 7360 49121080/60p25.714.8285397
 
Nikon D3S Full Frame 12.1 4256 2832720/24p23.512.0325382
 
Pentax 645Z Medium Format 51.1 8256 61921080/60i26.014.74505101
 
Ricoh GR II APS-C 16.1 4928 32641080/30p23.613.7107880
 
Sony A5100 APS-C 24.0 6000 40001080/60p23.812.7134780
 
Sony A6000 APS-C 24.0 6000 40001080/60p24.113.1134782
 
Sony A7R Full Frame 36.2 7360 49121080/60p25.614.1274695

Many modern cameras cannot only take still pictures, but also record videos. The NX500 indeed provides for movie recording, while the 645D does not. The highest resolution format that the NX500 can use is 4K/30p.

Feature comparison

Apart from body and sensor, cameras can and do differ across a variety of features. For example, the 645D has an optical viewfinder, which can be very useful when shooting in bright sunlight. In contrast, the NX500 relies on live view and the rear LCD for framing. The adjacent table lists some of the other core features of the Pentax 645D and Samsung NX500 along with similar information for a selection of comparators.

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Core Features
  Camera
Model
Viewfinder
(Type or
000 dots)
Control
Panel
(yes/no)
LCD
Size
(inch)
LCD
Resolution
(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
 
Pentax 645Doptical Y 3.0 921 fixed n 1/4000s 1.1 n n
 
Samsung NX500none n 3.0 1036 tilting Y 1/6000s 9.0 Y n
 
Canon 1D X Mark IIoptical Y 3.2 1620 fixed Y 1/8000s 16.0 n n
 
Canon 1D Xoptical Y 3.2 1040 fixed n 1/8000s 14.0 n n
 
Canon 1D Mark IVoptical Y 3.0 920 fixed n 1/8000s 10.0 n n
 
Leica S Typ 006optical Y 3.0 922 fixed n 1/4000s 1.5 n n
 
Nikon D850optical Y 3.2 2359 tilting Y 1/8000s 9.0 n n
 
Nikon D5600optical n 3.2 1037 swivel Y 1/4000s 5.0 Y n
 
Nikon D5optical Y 3.2 2359 fixed Y 1/8000s 14.0 n n
 
Nikon D5500optical n 3.2 1037 swivel Y 1/4000s 5.0 Y n
 
Nikon D810optical Y 3.2 1229 fixed n 1/8000s 5.0 Y n
 
Nikon D3Soptical Y 3.0 921 fixed n 1/8000s 11.0 n n
 
Pentax 645Zoptical Y 3.2 1037 tilting n 1/4000s 3.0 n n
 
Ricoh GR IIoptional n 3.0 1230 fixed n 1/4000s 4.0 Y n
 
Sony A5100none n 3.0 922 tilting Y 1/4000s 6.0 Y n
 
Sony A60001440 n 3.0 922 tilting n 1/4000s 11.0 Y n
 
Sony A7R2400 n 3.0 1230 tilting n 1/8000s 4.0 n n

One feature that is present on the 645D, but is missing on the NX500 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 NX500 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 645D does not have a selfie-screen.

The Pentax 645D and the Samsung NX500 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 645D and the NX500 write their files to SDXC cards. The 645D features dual card slots, which can be very useful in case a memory card fails. In contrast, the NX500 only has one slot. The NX500 supports UHS-I cards (Ultra High Speed data transfer of up to 104 MB/s), while the 645D 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 645D and Samsung NX500 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
Microphone
Internal
Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
 
Pentax 645DYstereo----2.0---
 
Samsung NX500Ystereomono--micro2.0YYY
 
Canon 1D X Mark IIYmonomonoYYmini3.0---
 
Canon 1D XYmono-Y-mini2.0---
 
Canon 1D Mark IVYstereo-Y-mini2.0---
 
Leica S Typ 006Y----mini2.0---
 
Nikon D850YstereomonoYYmini3.0YYY
 
Nikon D5600YstereomonoY-mini2.0YYY
 
Nikon D5YstereomonoYYmini3.0---
 
Nikon D5500YstereomonoY-mini2.0Y--
 
Nikon D810YstereomonoYYmini3.0Y--
 
Nikon D3SYstereo---mini2.0---
 
Pentax 645ZYstereomonoY-mini3.0---
 
Ricoh GR IIYstereomono--micro2.0YY-
 
Sony A5100-stereomono--micro2.0YY-
 
Sony A6000Ystereomono--micro2.0YY-
 
Sony A7RYstereomonoYYmicro2.0YY-

It is notable that the NX500 offers wifi support, which can be a very convenient means to transfer image data to an off-camera location. In contrast, the 645D does not provide wifi capability.

Studio photographers will appreciate that the Pentax 645D (unlike the NX500) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

Both the 645D and the NX500 have been discontinued, but can regularly be found used on eBay. The 645D was replaced by the Pentax 645Z, while the NX500 does not have a direct successor. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Pentax and Samsung websites.

Review summary

So what conclusions can be drawn? Is there a clear favorite between the Pentax 645D and the Samsung NX500? Which camera is better? Below is a summary of the relative strengths of each of the two contestants.

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Arguments in favor of the Pentax 645D:

  • More detail: Offers more megapixels (39.5 vs 28MP) with a 17% higher linear resolution.
  • 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.
  • Longer lasting: Can take more shots (800 versus 370) on a single battery charge.
  • Better sealing: Is weather sealed to enable shooting in dusty or wet environments.
  • 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 available for much longer (launched in March 2010).

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Advantages of the Samsung NX500:

  • Better image quality: Scores markedly higher (5 points) in the DXO overall evaluation.
  • More dynamic range: Captures a broader range of light and dark details (1.3 EV of extra DR).
  • Broader imaging potential: Can capture not only stills but also 4K/30p video.
  • Better live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
  • More detailed LCD: Has a higher resolution rear screen (1036k vs 921k dots).
  • More flexible LCD: Has a tilting screen for odd-angle shots in landscape orientation.
  • Fewer buttons to press: Has a touchscreen to facilitate handling and shooting adjustments.
  • More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
  • Faster shutter: Has higher mechanical shutter speed (1/6000s vs 1/4000s) to freeze action.
  • Faster burst: Shoots at higher frequency (9 vs 1.1 flaps/sec) to capture the decisive moment.
  • More compact: Is smaller (120x64mm vs 156x117mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 1193g or 81 percent) and is thus easier to take along.
  • Easier travel charging: Can be conveniently charged via its USB port.
  • 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.
  • 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.
  • Faster buffer clearing: Has an SD card interface that supports the UHS-I standard.
  • More affordable: Was introduced into a lower priced category (92 percent cheaper at launch).
  • More modern: Reflects 4 years and 10 months of technical progress since the 645D launch.

If the number of relative strengths (bullet points above) is taken as a guide, the NX500 is the clear winner of the contest (20 : 8 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.

645D 08:20 NX500

How about other alternatives? Do the specifications of the Pentax 645D and the Samsung NX500 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 the spec-sheets of cameras can offer a general idea of their imaging potential, it says little about, for example, the shooting experience and imaging performance of the 645D and the NX500 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 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.

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Review Scores
  Camera
Model
camera
  labs  
dp
review  
ephoto
  zine  
imaging
resource
photography
  blog  
Camera
Launch
Launch
Price (USD)
Street
Price
 
Pentax 645D......4.5/5.. Mar 2010 9,995i
 
Samsung NX500..81/1005/54.5/54.5/5 Feb 2015 799i
 
Canon 1D X Mark II..89/1004.5/55/54.5/5 Feb 2016 5,999i
 
Canon 1D X....4.5/54.5/54.5/5 Oct 2011 6,799i
 
Canon 1D Mark IV..89/100..5/5.. Oct 2009 4,999i
 
Leica S Typ 006.......... Sep 2012 21,950i
 
Nikon D850+ +89/1004.5/55/55/5 Jul 2017 3,299 i
 
Nikon D5600..79/1004.5/54.5/54/5 Nov 2016 699 i
 
Nikon D5..89/1004.5/55/55/5 Jan 2016 6,499i
 
Nikon D5500+79/1004.5/55/54.5/5 Jan 2015 899i
 
Nikon D810..86/1005/54.5/54.5/5 Jun 2014 3,299i
 
Nikon D3S..89/1004.5/55/55/5 Oct 2009 5,199i
 
Pentax 645Z....4.5/55/55/5 Apr 2014 8,499 i
 
Ricoh GR II....4.5/54.5/54.5/5 Jun 2015 699 i
 
Sony A5100+..4.5/54.5/55/5 Aug 2014 549 i
 
Sony A6000+80/1004.5/55/55/5 Feb 2014 599i
 
Sony A7R+ +82/1004.5/55/55/5 Oct 2013 2,299i
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

Care should be taken when interpreting the review scores above, though. The ratings are only valid when referring to cameras in the same category and of the same age. 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, kindly note that some of the listed sites have over time developped their review approaches and their reporting style.

Pentax 645D:
Check Ebay offers
Samsung NX500:
Check Ebay offers

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. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting.

~

    Specifications: Pentax 645D vs Samsung NX500

    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 645D Samsung NX500
    Camera Type Digital single lens reflex Mirrorless system camera
    Camera Lens Pentax 645 mount lenses Samsung NX mount lenses
    Launch Date March 2010 February 2015
    Launch Price USD 9,995 USD 799
    Sensor Specs Pentax 645D Samsung NX500
    Sensor Technology CCD BSI-CMOS
    Sensor Format Medium Format Sensor APS-C Sensor
    Sensor Size 44.0 x 33.0 mm 23.5 x 15.7 mm
    Sensor Area 1452 mm2 368.95 mm2
    Sensor Diagonal 55 mm 28.3 mm
    Crop Factor 0.79x 1.5x
    Sensor Resolution 39.5 Megapixels 28 Megapixels
    Image Resolution 7264 x 5440 pixels 6480 x 4320 pixels
    Pixel Pitch 6.06 μm 3.63 μm
    Pixel Density 2.72 MP/cm2 7.59 MP/cm2
    Moiré control no AA filter no AA filter
    Movie Capability no Video 4K/30p Video
    ISO Setting 100 - 1,600 ISO 100 - 25,600 ISO
    ISO Boost no Enhancement 100 - 51,200 ISO
    Image Processor PRIME II DRIMe Vs
    DXO Sensor Quality (score) 82 87
    DXO Color Depth (bits) 24.6 24.8
    DXO Dynamic Range (EV) 12.6 13.9
    DXO Low Light (ISO) 1262 1379
    Screen Specs Pentax 645D Samsung NX500
    Viewfinder Type Optical viewfinder no viewfinder
    Viewfinder Field of View 98%
    Viewfinder Magnification 0.78x
    Top-Level Screen Control Panel no Top Display
    LCD Framing Live View
    Rear LCD Size 3.0inch 3.0inch
    LCD Resolution 921k dots 1036k dots
    LCD Attachment Fixed screen Tilting screen
    Touch Input no Touchscreen Touchscreen
    Shooting Specs Pentax 645D Samsung NX500
    Focus System Phase-detect AF On-Sensor Phase-detect
    Manual Focusing Aidno Peaking FeatureFocus Peaking
    Max Shutter Speed (mechanical) 1/4000s 1/6000s
    Continuous Shooting 1.1 shutter flaps/s 9 shutter flaps/s
    Time-Lapse PhotographyIntervalometer built-inIntervalometer built-in
    Fill Flash no On-Board Flash Build-in Flash
    Storage Medium SDXC cards SDXC cards
    Second Storage Option Dual card slots Single card slot
    UHS card support no UHS-I
    Connectivity Specs Pentax 645D Samsung NX500
    External Flash Hotshoe Hotshoe
    Studio Flash PC Sync socket no PC Sync
    USB Connector USB 2.0 USB 2.0
    HDMI Port no HDMI micro HDMI
    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 645D Samsung NX500
    Environmental SealingWeathersealed bodynot weather sealed
    Battery Type D-LI90 BP1130
    Battery Life (CIPA)800 shots per charge370 shots per charge
    In-Camera Charging no USB charging USB charging
    Body Dimensions 156 x 117 x 119 mm
    (6.1 x 4.6 x 4.7 in)
    120 x 64 x 43 mm
    (4.7 x 2.5 x 1.7 in)
    Camera Weight 1480 g (52.2 oz) 287 g (10.1 oz)

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