Canon 5DS R vs Pentax 645D
The Canon EOS 5DS R and the Pentax 645D are two professional cameras that were announced, respectively, in February 2015 and March 2010. Both are DSLR (Digital Single Lens Reflex) cameras that are based on a full frame (5DS R) and a medium format (645D) sensor. The Canon has a resolution of 50.3 megapixels, whereas the Pentax provides 39.5 MP.
Below is an overview of the main specs of the two cameras as a starting point for the comparison.
|Canon 5DS R||Pentax 645D|
|Digital single lens reflex||Digital single lens reflex|
|Canon EF mount lenses||Pentax 645 mount lenses|
|50.3 MP, Full Frame Sensor||39.5 MP, Medium Format Sensor|
|1080/30p Video||no Video|
|ISO 100-6400 (50-12800)||ISO 100-1600|
|Optical viewfinder||Optical viewfinder|
|3.2" LCD, 1040k dots||3.0" LCD, 921k dots|
|Fixed screen (not touch-sensitive)||Fixed screen (not touch-sensitive)|
|5 shutter flaps per second||1.1 shutter flaps per second|
|Weathersealed body||Weathersealed body|
|700 shots per battery charge||800 shots per battery charge|
|152 x 116 x 76 mm, 930 g||156 x 117 x 119 mm, 1480 g|
Going beyond this snapshot of core features and characteristics, what are the differences between the Canon EOS 5DS R and the Pentax 645D? 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: Canon 5DS R vs Pentax 645D
The side-by-side display below illustrates the physical size and weight of the Canon 5DS R and the Pentax 645D. 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 dimensions are rounded to the nearest millimeter.
If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Pentax 645D is somewhat larger (4 percent) than the Canon 5DS R. Moreover, the 645D is substantially heavier (59 percent) than the 5DS R. In this context, it is worth noting that both cameras are splash and dust-proof and can, hence, be used in inclement weather conditions or harsh environments.
The above size and weight comparisons are to some extent incomplete since they do not consider the interchangeable lenses that both of these cameras require. Hence, you might want to study and compare the specifications of available lenses in order to get the full picture of the size and weight of the two camera systems.
The table below summarizes the key physical specs of the two cameras alongside a broader set of comparators. 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.
|Canon 5DS R»||152 mm||116 mm||76 mm||930 g||700||Y||Feb 2015||3,699||Canon 5DS R|
|Pentax 645D«||156 mm||117 mm||119 mm||1480 g||800||Y||Mar 2010||9,995||-||Pentax 645D|
|Canon 6D Mark II« »||144 mm||111 mm||75 mm||765 g||1200||Y||Jun 2017||1,999||Canon 6D Mark II|
|Canon 1D X Mark II« »||158 mm||168 mm||83 mm||1530 g||1210||Y||Feb 2016||5,999||Canon 1D X Mark II|
|Canon 5D Mark IV« »||151 mm||116 mm||76 mm||890 g||900||Y||Aug 2016||3,499||Canon 5D Mark IV|
|Canon 5DS« »||152 mm||116 mm||76 mm||930 g||700||Y||Feb 2015||3,699||Canon 5DS|
|Canon 5D Mark III« »||152 mm||116 mm||76 mm||950 g||950||Y||Mar 2012||3,499||-||Canon 5D Mark III|
|Canon 1D X« »||158 mm||168 mm||83 mm||1551 g||1120||Y||Oct 2011||6,799||-||Canon 1D X|
|Canon 1D Mark IV« »||156 mm||157 mm||80 mm||1230 g||1500||Y||Oct 2009||4,999||-||Canon 1D Mark IV|
|Canon 5D Mark II« »||152 mm||114 mm||75 mm||850 g||850||Y||Sep 2008||3,499||-||Canon 5D Mark II|
|Canon 5D« »||152 mm||113 mm||75 mm||895 g||400||Y||Aug 2005||3,299||-||Canon 5D|
|Leica S Typ 006« »||160 mm||120 mm||80 mm||1260 g||..||Y||Sep 2012||21,950||-||Leica S Typ 006|
|Nikon D850« »||146 mm||124 mm||79 mm||1005 g||1840||Y||Jul 2017||3,299||Nikon D850|
|Nikon D810« »||146 mm||123 mm||82 mm||980 g||1200||Y||Jun 2014||3,299||-||Nikon D810|
|Nikon D3S« »||160 mm||157 mm||88 mm||1240 g||4200||Y||Oct 2009||5,199||-||Nikon D3S|
|Pentax 645Z« »||156 mm||117 mm||123 mm||1550 g||650||Y||Apr 2014||8,499||Pentax 645Z|
|Sony A99 II« »||143 mm||104 mm||76 mm||849 g||490||Y||Sep 2016||3,199||Sony A99 II|
|Note: Measurements and pricing do not include easily detachable parts, such as interchangeable lenses or optional viewfinders.|
The price is, of course, an important factor in any camera decision. The manufacturer’s suggested retail prices give an idea on the placement of the camera in the maker’s lineup and the broader market. The 5DS R was launched at a markedly lower price (by 63 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: Canon 5DS R vs Pentax 645D
The imaging sensor is at the core of digital cameras and its size is one of the main determining factors 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 Canon 5DS R features a full frame sensor and the Pentax 645D a medium format sensor. The sensor area in the 645D is 68 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.0 and 0.79. The sensor in the 5DS R has a native 3:2 aspect ratio, while the one in the 645D offers a 4:3 aspect.
Despite having a smaller sensor, the Canon 5DS R offers a higher resolution of 50.3 megapixels, compared with 39.5 MP of the Pentax 645D. This megapixels advantage comes at the cost of a higher pixel density and a smaller size of the individual pixel (with a pixel pitch of 4.14μm versus 6.06μm for the 645D). However, it should be noted that the 5DS R is much more recent (by 4 years and 10 months) than the 645D, and its sensor will have benefitted from technological advances during this time that make it possible to gather light more efficiently. 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 Canon 5DS R implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the 5DS R for good quality output (200 dots per inch) amounts to 43.4 x 29 inch or 110.3 x 73.6 cm, for very good quality (250 dpi) 34.8 x 23.2 inch or 88.3 x 58.8 cm, and for excellent quality (300 dpi) 29 x 19.3 inch or 73.6 x 49 cm. The corresponding values for the Pentax 645D are 36.3 x 27.2 inch or 92.3 x 69.1 cm for good quality, 29.1 x 21.8 inch or 73.8 x 55.3 cm for very good quality, and 24.2 x 18.1 inch or 61.5 x 46.1 cm for excellent quality prints.
The Canon EOS 5DS R has a native sensitivity range from ISO 100 to ISO 6400, which can be extended to ISO 50-12800. The corresponding ISO settings for the Pentax 645D are ISO 100 to ISO 1600 (no boost).
For many cameras, data on sensor performance has been reported by DXO Mark. This service assesses and scores the color depth ("DXO Portrait"), dynamic range ("DXO Landscape"), and low-light sensitivity ("DXO Sports") of camera sensors, and also publishes an overall camera score. Of the two cameras under review, the 5DS R has a notably higher overall DXO score than the 645D (overall score 4 points higher), which gives it an advantage in terms of imaging quality. 0.2 EV of lower dynamic range, and 0.9 stops in additional low light sensitivity. The table below summarizes the physical sensor characteristics and sensor quality findings and compares them across a set of similar cameras.
|Canon 5DS R»||Full Frame||50.3||8688||5792||1080/30p||24.6||12.4||2308||86||Canon 5DS R|
|Pentax 645D«||Medium Format||39.5||7264||5440||-||24.6||12.6||1262||82||Pentax 645D|
|Canon 6D Mark II« »||Full Frame||26.0||6240||4160||1080/60p||24.4||11.9||2862||85||Canon 6D Mark II|
|Canon 1D X Mark II« »||Full Frame||20.0||5472||3648||4K/60p||24.1||13.5||3207||88||Canon 1D X Mark II|
|Canon 5D Mark IV« »||Full Frame||30.1||6720||4480||4K/30p||24.8||13.6||2995||91||Canon 5D Mark IV|
|Canon 5DS« »||Full Frame||50.3||8688||5792||1080/30p||24.7||12.4||2381||87||Canon 5DS|
|Canon 5D Mark III« »||Full Frame||22.1||5760||3840||1080/30p||24.0||11.7||2293||81||Canon 5D Mark III|
|Canon 1D X« »||Full Frame||17.9||5184||3456||1080/30p||23.8||11.8||2786||82||Canon 1D X|
|Canon 1D Mark IV« »||APS-H||16.0||4896||3264||1080/30p||22.8||12.0||1320||74||Canon 1D Mark IV|
|Canon 5D Mark II« »||Full Frame||21.0||5616||3744||1080/30p||23.7||11.9||1815||79||Canon 5D Mark II|
|Canon 5D« »||Full Frame||12.7||4368||2912||-||22.9||11.1||1368||71||Canon 5D|
|Leica S Typ 006« »||Medium Format||37.5||7500||5000||-||23.9||12.2||824||76||Leica S Typ 006|
|Nikon D850« »||Full Frame||45.4||8256||5504||4K/30p||26.4||14.8||2660||100||Nikon D850|
|Nikon D810« »||Full Frame||36.2||7360||4912||1080/60p||25.7||14.8||2853||97||Nikon D810|
|Nikon D3S« »||Full Frame||12.1||4256||2832||720/24p||23.5||12.0||3253||82||Nikon D3S|
|Pentax 645Z« »||Medium Format||51.1||8256||6192||1080/60i||26.0||14.7||4505||101||Pentax 645Z|
|Sony A99 II« »||Full Frame||42.2||7952||5304||4K/30p||25.4||13.4||2317||92||Sony A99 II|
Many modern cameras cannot only take still pictures, but also record videos. The 5DS R indeed provides movie recording capabilities, while the 645D does not. The highest resolution format that the 5DS R can use is 1080/30p.
Feature comparison: Canon 5DS R vs Pentax 645D
Apart from body and sensor, cameras can and do differ across a range of features. The 5DS R and the 645D are similar in the sense that both have an optical viewfinder. The latter is useful for getting a clear image for framing even in brightly lit environments. The viewfinder in the 5DS R offers a wider field of view (100%) than the one in the 645D (98%), so that a larger proportion of the captured image is visible in the finder. On the other hand, the viewfinder of the 645D has a higher magnification (0.78x vs 0.71x), so that the size of the image transmitted appears closer to the size seen with the naked human eye. The following table reports on some other key feature differences and similarities of the Canon 5DS R, the Pentax 645D, and comparable cameras.
|Canon 5DS R»||optical||Y||3.2||1040||fixed||n||1/8000s||5.0||n||n||Canon 5DS R|
|Pentax 645D«||optical||Y||3.0||921||fixed||n||1/4000s||1.1||n||n||Pentax 645D|
|Canon 6D Mark II« »||optical||Y||3.0||1040||swivel||Y||1/4000s||6.5||n||n||Canon 6D Mark II|
|Canon 1D X Mark II« »||optical||Y||3.2||1620||fixed||Y||1/8000s||16.0||n||n||Canon 1D X Mark II|
|Canon 5D Mark IV« »||optical||Y||3.2||1620||fixed||Y||1/8000s||7.0||n||n||Canon 5D Mark IV|
|Canon 5DS« »||optical||Y||3.2||1040||fixed||n||1/8000s||5.0||n||n||Canon 5DS|
|Canon 5D Mark III« »||optical||Y||3.2||1040||fixed||n||1/8000s||6.0||n||n||Canon 5D Mark III|
|Canon 1D X« »||optical||Y||3.2||1040||fixed||n||1/8000s||14.0||n||n||Canon 1D X|
|Canon 1D Mark IV« »||optical||Y||3.0||920||fixed||n||1/8000s||10.0||n||n||Canon 1D Mark IV|
|Canon 5D Mark II« »||optical||Y||3.0||920||fixed||n||1/8000s||3.9||n||n||Canon 5D Mark II|
|Canon 5D« »||optical||Y||2.5||230||fixed||n||1/8000s||3.0||n||n||Canon 5D|
|Leica S Typ 006« »||optical||Y||3.0||922||fixed||n||1/4000s||1.5||n||n||Leica S Typ 006|
|Nikon D850« »||optical||Y||3.2||2359||tilting||Y||1/8000s||9.0||n||n||Nikon D850|
|Nikon D810« »||optical||Y||3.2||1229||fixed||n||1/8000s||5.0||Y||n||Nikon D810|
|Nikon D3S« »||optical||Y||3.0||921||fixed||n||1/8000s||11.0||n||n||Nikon D3S|
|Pentax 645Z« »||optical||Y||3.2||1037||tilting||n||1/4000s||3.0||n||n||Pentax 645Z|
|Sony A99 II« »||2400||Y||3.0||1229||full-flex||n||1/8000s||12.0||n||Y||Sony A99 II|
The Canon 5DS R and the Pentax 645D 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.
The 5DS R writes its imaging data to Compact Flash or SDXC cards, while the 645D uses SDXC cards. Both cameras feature dual card slots, which can be very useful in case a memory card fails. The 5DS R 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: Canon 5DS R vs Pentax 645D
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 Canon EOS 5DS R and Pentax 645D and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.
|Canon 5DS R»||Y||mono||mono||Y||-||mini||3.0||-||-||-||Canon 5DS R|
|Pentax 645D«||Y||stereo||-||-||-||-||2.0||-||-||-||Pentax 645D|
|Canon 6D Mark II« »||Y||stereo||mono||Y||-||mini||2.0||Y||Y||Y||Canon 6D Mark II|
|Canon 1D X Mark II« »||Y||mono||mono||Y||Y||mini||3.0||-||-||-||Canon 1D X Mark II|
|Canon 5D Mark IV« »||Y||mono||mono||Y||Y||mini||3.0||Y||Y||-||Canon 5D Mark IV|
|Canon 5DS« »||Y||mono||mono||Y||-||mini||3.0||-||-||-||Canon 5DS|
|Canon 5D Mark III« »||Y||mono||mono||Y||Y||mini||2.0||-||-||-||Canon 5D Mark III|
|Canon 1D X« »||Y||mono||-||Y||-||mini||2.0||-||-||-||Canon 1D X|
|Canon 1D Mark IV« »||Y||stereo||-||Y||-||mini||2.0||-||-||-||Canon 1D Mark IV|
|Canon 5D Mark II« »||Y||mono||mono||Y||-||mini||2.0||-||-||-||Canon 5D Mark II|
|Canon 5D« »||Y||-||-||-||-||-||2.0||-||-||-||Canon 5D|
|Leica S Typ 006« »||Y||-||-||-||-||mini||2.0||-||-||-||Leica S Typ 006|
|Nikon D850« »||Y||stereo||mono||Y||Y||mini||3.0||Y||Y||Y||Nikon D850|
|Nikon D810« »||Y||stereo||mono||Y||Y||mini||3.0||Y||-||-||Nikon D810|
|Nikon D3S« »||Y||stereo||-||-||-||mini||2.0||-||-||-||Nikon D3S|
|Pentax 645Z« »||Y||stereo||mono||Y||-||mini||3.0||-||-||-||Pentax 645Z|
|Sony A99 II« »||Y||stereo||mono||Y||Y||micro||2.0||Y||Y||Y||Sony A99 II|
Both cameras feature a PC Sync terminal to control professional strobe lights, which will be appreciated by studio photographers.
The 5DS R is a recent model that features in the current product line-up of Canon. In contrast, the 645D has been discontinued (but it can be found pre-owned on eBay). As a replacement in the same line of cameras, the 645D was succeeded by the Pentax 645Z. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Canon and Pentax websites.
Review summary: Canon 5DS R vs Pentax 645D
So how do things add up? Is the Canon 5DS R better than the Pentax 645D or vice versa? A synthesis of the relative strong points of each of the models is listed below.
Reasons to prefer the Canon EOS 5DS R:
- More detail: Offers more megapixels (50.3 vs 39.5MP) with a 15% higher linear resolution.
- Better image quality: Scores markedly higher (4 points) in the DXO overall assessment.
- Better low-light sensitivity: Requires less light for good images (0.9 stops ISO advantage).
- Broader imaging potential: Can record not only still images but also 1080/30p movies.
- More complete view: Has a viewfinder with a larger field of view (100% vs 98%).
- 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 (1040k vs 921k dots).
- Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
- Faster burst: Shoots at higher frequency (5 vs 1.1 flaps/sec) to capture the decisive moment.
- Less heavy: Is lighter (by 550g or 37 percent) and hence easier to carry around.
- Faster data transfer: Supports a more advanced USB protocol (3.0 vs 2.0).
- Faster buffer clearing: Has an SD card interface that supports the UHS-I standard.
- More affordable: Was introduced into a lower priced category (63 percent cheaper at launch).
- More modern: Reflects 4 years and 10 months of technical progress since the 645D launch.
Arguments in favor of the Pentax 645D:
- Larger viewfinder image: Features a viewfinder with a higher magnification (0.78x vs 0.71x).
- Longer lasting: Gets more shots (800 versus 700) out of a single battery charge.
- More heavily discounted: Has been around for much longer (launched in March 2010).
If the number of relative strengths (bullet points above) is taken as a guide, the 5DS R is the clear winner of the match-up (14 : 3 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.
How about other alternatives? Do the specifications of the Canon 5DS R and the Pentax 645D place the cameras among the top in their class? Find out in the latest Best DSLR Camera listing whether the two cameras rank among the cream of the crop.
In any case, while the comparison of the spec-sheets of cameras can offer a general idea of their imaging potential, it remains incomplete and does no justice, for example, to the way the 5DS R or the 645D perform in practice. 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: Canon 5DS R vs Pentax 645D
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 (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.
|Canon 5DS R»||+||83/100||5/5||5/5||4.5/5||Feb 2015||3,699||Canon 5DS R|
|Pentax 645D«||-||-||-||4.5/5||-||Mar 2010||9,995||-||Pentax 645D|
|Canon 6D Mark II« »||+||80/100||4.5/5||4/5||4/5||Jun 2017||1,999||Canon 6D Mark II|
|Canon 1D X Mark II« »||-||89/100||4.5/5||5/5||4.5/5||Feb 2016||5,999||Canon 1D X Mark II|
|Canon 5D Mark IV« »||+ +||87/100||4.5/5||5/5||4.5/5||Aug 2016||3,499||Canon 5D Mark IV|
|Canon 5DS« »||+||83/100||4.5/5||5/5||4.5/5||Feb 2015||3,699||Canon 5DS|
|Canon 5D Mark III« »||+ +||82/100||4.5/5||5/5||4.5/5||Mar 2012||3,499||-||Canon 5D Mark III|
|Canon 1D X« »||-||-||4.5/5||4.5/5||4.5/5||Oct 2011||6,799||-||Canon 1D X|
|Canon 1D Mark IV« »||-||89/100||-||5/5||-||Oct 2009||4,999||-||Canon 1D Mark IV|
|Canon 5D Mark II« »||91/100||79/100||4/5||5/5||-||Sep 2008||3,499||-||Canon 5D Mark II|
|Canon 5D« »||88/100||+ +||o||o||-||Aug 2005||3,299||-||Canon 5D|
|Leica S Typ 006« »||-||-||-||-||-||Sep 2012||21,950||-||Leica S Typ 006|
|Nikon D850« »||+ +||89/100||4.5/5||5/5||5/5||Jul 2017||3,299||Nikon D850|
|Nikon D810« »||-||86/100||5/5||4.5/5||4.5/5||Jun 2014||3,299||-||Nikon D810|
|Nikon D3S« »||-||89/100||4.5/5||5/5||5/5||Oct 2009||5,199||-||Nikon D3S|
|Pentax 645Z« »||-||-||4.5/5||5/5||5/5||Apr 2014||8,499||Pentax 645Z|
|Sony A99 II« »||-||85/100||4.5/5||4.5/5||4.5/5||Sep 2016||3,199||Sony A99 II|
|Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (-) not available.|
The above review scores should be interpreted 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 comparisons of ratings among very different cameras or across long time periods have little meaning. It should also be noted that some of the review sites have over time altered the way they render their verdicts.
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.
- Canon 1D Mark IV vs Canon 5DS R
- Canon 4000D vs Canon 5DS R
- Canon 5DS R vs Canon 6D
- Canon 5DS R vs Canon 7D
- Canon 5DS R vs Canon 7D II
- Canon 5DS R vs Canon D30
- Canon 5DS R vs Panasonic G85
- Canon 5DS R vs Panasonic GX80
- Canon 5DS R vs Panasonic TZ100
- Canon 5DS R vs Pentax Q
- Canon 6D vs Pentax 645D
- Pentax K-1 vs Pentax 645D
Specifications: Canon 5DS R vs Pentax 645D
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||Canon 5DS R||Pentax 645D|
|Camera Type||Digital single lens reflex||Digital single lens reflex|
|Camera Lens||Canon EF mount lenses||Pentax 645 mount lenses|
|Launch Date||February 2015||March 2010|
|Launch Price||USD 3699||USD 9995|
|Sensor Specs||Canon 5DS R||Pentax 645D|
|Sensor Format||Full Frame Sensor||Medium Format Sensor|
|Sensor Size||36.0 x 24.0 mm||44.0 x 33.0 mm|
|Sensor Area||864 mm2||1452 mm2|
|Sensor Diagonal||43.3 mm||55 mm|
|Sensor Resolution||50.3 Megapixels||39.5 Megapixels|
|Image Resolution||8688 x 5792 pixels||7264 x 5440 pixels|
|Pixel Pitch||4.14 μm||6.06 μm|
|Pixel Density||5.82 MP/cm2||2.72 MP/cm2|
|Moiré control||no AA filter||no AA filter|
|Movie Capability||1080/30p Video||no Video|
|ISO Setting||100-6400 ISO||100-1600 ISO|
|ISO Boost||50-12800 ISO||no Enhancement|
|Image Processor||DIGIC 6 (Dual)||PRIME II|
|DXO Sensor Quality (score)||86||82|
|DXO Color Depth (bits)||24.6||24.6|
|DXO Dynamic Range (EV)||12.4||12.6|
|DXO Low Light (ISO)||2308||1262|
|Screen Specs||Canon 5DS R||Pentax 645D|
|Viewfinder Type||Optical viewfinder||Optical viewfinder|
|Viewfinder Field of View||100%||98%|
|Top-Level Screen||Control Panel||Control Panel|
|LCD Framing||Live View|
|Rear LCD Size||3.2 inch||3.0 inch|
|LCD Resolution||1040k dots||921k dots|
|LCD Attachment||Fixed screen||Fixed screen|
|Shooting Specs||Canon 5DS R||Pentax 645D|
|Autofocus System||Phase-detect AF||Phase-detect AF|
|Continuous Shooting||5 shutter flaps/s||1.1 shutter flaps/s|
|Time-Lapse Photography||Intervalometer built-in||Intervalometer built-in|
|Fill Flash||no On-Board Flash||no On-Board Flash|
|Storage Medium||CF or SDXC cards||SDXC cards|
|Second Storage Option||Dual card slots||Dual card slots|
|UHS card support||UHS-I||no|
|Connectivity Specs||Canon 5DS R||Pentax 645D|
|Studio Flash||PC Sync socket||PC Sync socket|
|USB Connector||USB 3.0||USB 2.0|
|HDMI Port||mini HDMI||no HDMI|
|Microphone Port||External MIC port||no MIC socket|
|Wifi Support||no Wifi||no Wifi|
|Body Specs||Canon 5DS R||Pentax 645D|
|Environmental Sealing||Weathersealed body||Weathersealed body|
|Battery Type||LP-E6 power pack||D-LI90 power pack|
|Battery Life (CIPA)||700 shots per charge||800 shots per charge|
152 x 116 x 76 mm
(6.0 x 4.6 x 3.0 in)
156 x 117 x 119 mm
(6.1 x 4.6 x 4.7 in)
|Camera Weight||930 g (32.8 oz)||1480 g (52.2 oz)|
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