Canon 5D Mark III vs Sony A7S III
The Canon EOS 5D Mark III and the Sony Alpha 7S III are two professional cameras that were announced, respectively, in March 2012 and July 2020. The 5D Mark III is a DSLR, while the A7S III is a mirrorless interchangeable lens camera. Both cameras are equipped with a full frame sensor. The Canon has a resolution of 22.1 megapixels, whereas the Sony provides 12 MP.
Below is an overview of the main specs of the two cameras as a starting point for the comparison.
Going beyond this snapshot of core features and characteristics, what are the differences between the Canon EOS 5D Mark III and the Sony Alpha 7S III? Which one should you buy? Read on to find out how these two cameras compare with respect to their body size, their imaging sensors, their shooting features, their input-output connections, and their reception by expert reviewers.
An illustration of the physical size and weight of the Canon 5D Mark III and the Sony A7S III is provided in the side-by-side display below. The two cameras are presented according to their relative size. Three consecutive views from the front, the top, and the rear side are shown. All size 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 Sony A7S III is considerably smaller (30 percent) than the Canon 5D Mark III. Moreover, the A7S III is markedly lighter (26 percent) than the 5D Mark III. 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. Both cameras have similarly sized sensors, but DSLRs have a larger flange-to-focal plane distance than mirrorless cameras, which imposes contraints on the optical engineering process and generally leads to bigger and heavier lenses. You can compare the optics available for the two cameras in the Canon EF Lens Catalog (5D Mark III) and the Sony FE Lens Catalog (A7S III). Mirrorless cameras, such as the A7S III, have moreover the advantage that they can use many lenses from other systems via adapters, as they have a relatively short flange to focal plane distance.
Concerning battery life, the 5D Mark III gets 950 shots out of its LP-E6 battery, while the A7S III can take 600 images on a single charge of its NP-FZ100 power pack. The power pack in the A7S III 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, you can use the CAM-parator app to select your camera combination among a large number of options.
|1.||Canon 5D Mark III||152 mm||116 mm||76 mm||950 g||950||Y||Mar 2012||3,499||ebay.com|
|2.||Sony A7S III||127 mm||97 mm||81 mm||699 g||600||Y||Jul 2020||3,499||amazon.com|
|3.||Canon 5D Mark IV||151 mm||116 mm||76 mm||890 g||900||Y||Aug 2016||3,499||amazon.com|
|4.||Canon 5DS||152 mm||116 mm||76 mm||930 g||700||Y||Feb 2015||3,699||amazon.com|
|5.||Canon 5DS R||152 mm||116 mm||76 mm||930 g||700||Y||Feb 2015||3,699||amazon.com|
|6.||Canon 6D||145 mm||111 mm||71 mm||770 g||1090||Y||Sep 2012||2,099||ebay.com|
|7.||Canon 5D Mark II||152 mm||114 mm||75 mm||850 g||850||Y||Sep 2008||3,499||ebay.com|
|8.||Canon 5D||152 mm||113 mm||75 mm||895 g||400||Y||Aug 2005||3,299||ebay.com|
|9.||Nikon D610||141 mm||113 mm||82 mm||850 g||900||Y||Oct 2013||1,999||amazon.com|
|10.||Nikon D600||141 mm||113 mm||82 mm||850 g||900||Y||Sep 2012||2,099||ebay.com|
|11.||Nikon D800||146 mm||123 mm||82 mm||1000 g||900||Y||Feb 2012||2,999||ebay.com|
|12.||Nikon D800E||146 mm||123 mm||82 mm||1000 g||900||Y||Feb 2012||3,299||ebay.com|
|13.||Sony A7R IV||129 mm||96 mm||78 mm||665 g||670||Y||Jul 2019||3,499||amazon.com|
|14.||Sony A7R III||127 mm||96 mm||74 mm||650 g||650||Y||Oct 2017||3,199||ebay.com|
|15.||Sony A9||127 mm||96 mm||63 mm||673 g||650||Y||Apr 2017||4,499||ebay.com|
|16.||Sony A7R II||127 mm||96 mm||60 mm||625 g||290||Y||Jun 2015||3,199||ebay.com|
|17.||Sony A7S II||127 mm||96 mm||60 mm||627 g||370||Y||Sep 2015||2,999||ebay.com|
|Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.|
Any camera decision will naturally be influenced heavily by the price. The listed launch prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The two cameras under review were launched at the same price and fall into the same 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.
The size of the sensor inside a digital camera is one of the key determinants of image quality. A large sensor will tend to have larger individual pixels that provide better low-light sensitivity, wider dynamic range, and richer color-depth than smaller pixel-units 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.
Both cameras under consideration feature a full frame sensor, but their sensors differ slightly in size. The sensor area in the A7S III is 2 percent smaller. They nevertheless have the same format factor of 1.0. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.
With 22.1MP, the 5D Mark III offers a higher resolution than the A7S III (12MP), but the 5D Mark III has smaller individual pixels (pixel pitch of 6.25μm versus 8.40μm for the A7S III). Moreover, the A7S III is a much more recent model (by 8 years and 4 months) than the 5D Mark III, and its sensor will have benefitted from technological advances during this time that enhance the light gathering capacity of its pixels.
The resolution advantage of the Canon 5D Mark III implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the 5D Mark III for good quality output (200 dots per inch) amounts to 28.8 x 19.2 inches or 73.2 x 48.8 cm, for very good quality (250 dpi) 23 x 15.4 inches or 58.5 x 39 cm, and for excellent quality (300 dpi) 19.2 x 12.8 inches or 48.8 x 32.5 cm. The corresponding values for the Sony A7S III are 21.2 x 14.2 inches or 53.8 x 36 cm for good quality, 17 x 11.3 inches or 43.1 x 28.8 cm for very good quality, and 14.1 x 9.4 inches or 35.9 x 24 cm for excellent quality prints.
The A7S III has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.
The Canon EOS 5D Mark III has a native sensitivity range from ISO 100 to ISO 25600, which can be extended to ISO 50-102400. The corresponding ISO settings for the Sony Alpha 7S III are ISO 80 to ISO 102400, with the possibility to increase the ISO range to 40-409600.
In terms of underlying technology, the 5D Mark III is build around a CMOS sensor, while the A7S III uses a BSI-CMOS imager. Both cameras use a Bayer filter for capturing RGB colors on a square grid of photosensors. This arrangement is found in most digital cameras.
Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. 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 consideration, the A7S III has a markedly higher DXO score than the 5D Mark III (overall score 5 points higher), which will translate into better image quality. The advantage is based on 0.3 bits lower color depth, 2.2 EV in additional dynamic range, and 0.1 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.
|1.||Canon 5D Mark III||Full Frame||22.1||5760||3840||1080/30p||24.0||11.7||2293||81|
|2.||Sony A7S III||Full Frame||12.0||4240||2832||4K/120p||23.7||13.9||2520||86|
|3.||Canon 5D Mark IV||Full Frame||30.1||6720||4480||4K/30p||24.8||13.6||2995||91|
|4.||Canon 5DS||Full Frame||50.3||8688||5792||1080/30p||24.7||12.4||2381||87|
|5.||Canon 5DS R||Full Frame||50.3||8688||5792||1080/30p||24.6||12.4||2308||86|
|6.||Canon 6D||Full Frame||20.0||5472||3648||1080/30p||23.8||12.1||2340||82|
|7.||Canon 5D Mark II||Full Frame||21.0||5616||3744||1080/30p||23.7||11.9||1815||79|
|8.||Canon 5D||Full Frame||12.7||4368||2912||none||22.9||11.1||1368||71|
|9.||Nikon D610||Full Frame||24.2||6016||4016||1080/30p||25.1||14.4||2925||94|
|10.||Nikon D600||Full Frame||24.2||6016||4016||1080/30p||25.1||14.2||2980||94|
|11.||Nikon D800||Full Frame||36.2||7360||4912||1080/30p||25.3||14.4||2853||95|
|12.||Nikon D800E||Full Frame||36.2||7360||4912||1080/30p||25.6||14.3||2979||96|
|13.||Sony A7R IV||Full Frame||60.2||9504||6336||4K/30p||26.0||14.8||3344||99|
|14.||Sony A7R III||Full Frame||42.2||7952||5304||4K/30p||26.0||14.7||3523||100|
|15.||Sony A9||Full Frame||24.0||6000||4000||4K/30p||24.9||13.3||3517||92|
|16.||Sony A7R II||Full Frame||42.2||7952||5304||4K/30p||26.0||13.9||3434||98|
|17.||Sony A7S II||Full Frame||12.0||4240||2832||4K/30p||23.6||13.3||2993||85|
Many modern cameras are not only capable of taking still images, but also of capturing video footage. Both cameras under consideration are equipped with sensors that have a sufficiently high read-out speed for moving images, but the A7S III provides a better video resolution than the 5D Mark III. It can shoot movie footage at 4K/120p, while the Canon is limited to 1080/30p.
Apart from body and sensor, cameras can and do differ across a range of features. For example, the A7S III has an electronic viewfinder (9440k dots), while the 5D Mark III has an optical one. Both systems have their advantages, with the electronic viewfinder making it possible to project supplementary shooting information into the framing view, whereas the optical viewfinder offers lag-free viewing and a very clear framing image. The viewfinders of both cameras offer the same field of view (100%), but the viewfinder of the A7S III has a higher magnification than the one of the 5D Mark III (0.91x vs 0.71x), so that the size of the image transmitted appears closer to the size seen with the naked human eye. The table below summarizes some of the other core capabilities of the Canon 5D Mark III and Sony A7S III in connection with corresponding information for a sample of similar cameras.
|1.||Canon 5D Mark III||optical||Y||3.2 / 1040||fixed||n||1/8000s||6.0/s||n||n|
|2.||Sony A7S III||9440||n||3.0 / 1440||swivel||Y||1/8000s||10.0/s||n||Y|
|3.||Canon 5D Mark IV||optical||Y||3.2 / 1620||fixed||Y||1/8000s||7.0/s||n||n|
|4.||Canon 5DS||optical||Y||3.2 / 1040||fixed||n||1/8000s||5.0/s||n||n|
|5.||Canon 5DS R||optical||Y||3.2 / 1040||fixed||n||1/8000s||5.0/s||n||n|
|6.||Canon 6D||optical||Y||3.0 / 1040||fixed||n||1/4000s||4.5/s||n||n|
|7.||Canon 5D Mark II||optical||Y||3.0 / 920||fixed||n||1/8000s||3.9/s||n||n|
|8.||Canon 5D||optical||Y||2.5 / 230||fixed||n||1/8000s||3.0/s||n||n|
|9.||Nikon D610||optical||Y||3.2 / 921||fixed||n||1/4000s||6.0/s||Y||n|
|10.||Nikon D600||optical||Y||3.0 / 921||fixed||n||1/4000s||5.5/s||Y||n|
|11.||Nikon D800||optical||Y||3.2 / 921||fixed||n||1/8000s||4.0/s||Y||n|
|12.||Nikon D800E||optical||Y||3.2 / 921||fixed||n||1/8000s||4.0/s||Y||n|
|13.||Sony A7R IV||5760||n||3.0 / 1440||tilting||Y||1/8000s||10.0/s||n||Y|
|14.||Sony A7R III||3686||n||3.0 / 1440||tilting||Y||1/8000s||10.0/s||n||Y|
|15.||Sony A9||3686||n||3.0 / 1440||tilting||Y||1/8000s||20.0/s||n||Y|
|16.||Sony A7R II||2400||n||3.0 / 1229||tilting||n||1/8000s||5.0/s||n||Y|
|17.||Sony A7S II||2400||n||3.0 / 1229||tilting||n||1/8000s||5.0/s||n||Y|
|Notes: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.|
One feature that is present on the 5D Mark III, but is missing on the A7S III 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 A7S III 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 5D Mark III 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 A7S III 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 5D Mark III writes its imaging data to Compact Flash or SDXC cards, while the A7S III uses CFexpress (type A) or SDXC cards. Both cameras feature dual card slots, which can be very useful in case a memory card fails. The A7S III supports UHS-II cards (on both slots), while the 5D Mark III cannot take advantage of Ultra High Speed SD cards.
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 5D Mark III and Sony Alpha 7S III and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.
Mic / Speaker
|1.||Canon 5D Mark III||Y||mono / mono||Y||Y||mini||2.0||-||-||-|
|2.||Sony A7S III||Y||stereo / mono||Y||Y||full||3.2||Y||-||Y|
|3.||Canon 5D Mark IV||Y||mono / mono||Y||Y||mini||3.0||Y||Y||-|
|4.||Canon 5DS||Y||mono / mono||Y||-||mini||3.0||-||-||-|
|5.||Canon 5DS R||Y||mono / mono||Y||-||mini||3.0||-||-||-|
|6.||Canon 6D||Y||mono / mono||Y||-||mini||2.0||Y||-||-|
|7.||Canon 5D Mark II||Y||mono / mono||Y||-||mini||2.0||-||-||-|
|8.||Canon 5D||Y||- / -||-||-||-||2.0||-||-||-|
|9.||Nikon D610||Y||mono / mono||Y||Y||mini||2.0||-||-||-|
|10.||Nikon D600||Y||mono / mono||Y||Y||mini||2.0||-||-||-|
|11.||Nikon D800||Y||mono / mono||Y||Y||mini||3.0||-||-||-|
|12.||Nikon D800E||Y||mono / mono||Y||Y||mini||3.0||-||-||-|
|13.||Sony A7R IV||Y||stereo / mono||Y||Y||micro||3.1||Y||Y||Y|
|14.||Sony A7R III||Y||stereo / mono||Y||Y||micro||3.1||Y||Y||Y|
|15.||Sony A9||Y||stereo / mono||Y||Y||micro||2.0||Y||Y||Y|
|16.||Sony A7R II||Y||stereo / mono||Y||Y||micro||2.0||Y||Y||-|
|17.||Sony A7S II||Y||stereo / mono||Y||Y||micro||2.0||Y||Y||-|
It is notable that the A7S III offers wifi support, which can be a very convenient means to transfer image data to an off-camera location. In contrast, the 5D Mark III does not provide wifi capability.
Studio photographers will appreciate that the Canon 5D Mark III (unlike the A7S III) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.
The A7S III is a recent model that features in the current product line-up of Sony. In contrast, the 5D Mark III has been discontinued (but can be found pre-owned on ebay). As a replacement in the same line of cameras, the 5D Mark III was succeeded by the Canon 5D Mark IV. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Canon and Sony websites.
So how do things add up? Is the Canon 5D Mark III better than the Sony A7S III or vice versa? The listing below highlights the relative strengths of the two models.
Advantages of the Canon EOS 5D Mark III:
- More detail: Offers more megapixels (22.1 vs 12MP) with a 36% higher linear resolution.
- Brighter framing: Features an optical viewfinder for clear, lag-free composition.
- 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.
- Longer lasting: Can take more shots (950 versus 600) on a single battery charge.
- Better studio light control: Has a PC Sync socket to connect to professional strobe lights.
- More heavily discounted: Has been available for much longer (launched in March 2012).
Reasons to prefer the Sony Alpha 7S III:
- 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 (2.2 EV of extra DR).
- Better video: Provides higher definition movie capture (4K/120p vs 1080/30p).
- Better live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
- More framing info: Has an electronic viewfinder that displays shooting data.
- Larger viewfinder image: Features a viewfinder with a higher magnification (0.91x vs 0.71x).
- More detailed LCD: Has a higher resolution rear screen (1440k vs 1040k dots).
- More flexible LCD: Has a swivel screen for odd-angle shots in portrait or 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 burst: Shoots at higher frequency (10 vs 6 flaps/sec) to capture the decisive moment.
- Less disturbing: Has an electronic shutter option for completely silent shooting.
- More compact: Is smaller (127x97mm vs 152x116mm) and will fit more readily into a bag.
- Less heavy: Has a lower weight (by 251g or 26 percent) and is thus easier to take along.
- Easier travel charging: Can be conveniently charged via its USB port.
- Sharper images: Has stabilization technology built-in to reduce the impact of hand-shake.
- More legacy lens friendly: Can use many non-native lenses via adapters.
- Faster data transfer: Supports a more advanced USB protocol (3.2 vs 2.0).
- Easier file upload: Has wifi built in for automatic backup or image transfer to the web.
- Easier wireless transfer: Supports Bluetooth for image sharing without cables.
- Faster buffer clearing: Supports Ultra High Speed (UHS-II) SDXC cards on both slots.
- More modern: Reflects 8 years and 4 months of technical progress since the 5D Mark III launch.
If the count of individual advantages (bullet points above) is taken as a guide, the A7S III is the clear winner of the contest (23 : 7 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 wildlife photographer will view the differences between cameras in a way that diverges from the perspective of a family photog, and a person interested in architecture has distinct needs from a sports shooter. Hence, the decision which camera is best and worth buying is often a very personal one.
How about other alternatives? Do the specifications of the Canon 5D Mark III and the Sony A7S III 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 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 5D Mark III and the A7S III in practical situations. At times, user reviews, such as those published at amazon, address these issues in a useful manner, but such feedback is on many occasions incomplete, inconsistent, and unreliable.
This is why expert reviews are important. The table below provides a synthesis of the camera assessments of some of the best known photo-gear 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.
|1.||Canon 5D Mark III||..||+ +||..||82/100||4.5/5||4.5/5||Mar 2012||3,499||ebay.com|
|2.||Sony A7S III||..||+ +||5/5||91/100||4.5/5||5/5||Jul 2020||3,499||amazon.com|
|3.||Canon 5D Mark IV||4.5/5||+ +||4/5||87/100||4.5/5||4.5/5||Aug 2016||3,499||amazon.com|
|4.||Canon 5DS||..||+||..||83/100||4.5/5||4.5/5||Feb 2015||3,699||amazon.com|
|5.||Canon 5DS R||5/5||+||..||83/100||5/5||4.5/5||Feb 2015||3,699||amazon.com|
|6.||Canon 6D||5/5||+ +||..||83/100||4.5/5||4.5/5||Sep 2012||2,099||ebay.com|
|7.||Canon 5D Mark II||4/5||91/100||..||79/100||4/5||..||Sep 2008||3,499||ebay.com|
|8.||Canon 5D||..||88/100||..||+ +||o||..||Aug 2005||3,299||ebay.com|
|9.||Nikon D610||4/5||+ +||..||87/100||4.5/5||4.5/5||Oct 2013||1,999||amazon.com|
|10.||Nikon D600||4/5||+ +||..||87/100||5/5||4.5/5||Sep 2012||2,099||ebay.com|
|11.||Nikon D800||5/5||+ +||..||82/100||5/5||5/5||Feb 2012||2,999||ebay.com|
|12.||Nikon D800E||..||..||..||84/100||5/5||5/5||Feb 2012||3,299||ebay.com|
|13.||Sony A7R IV||5/5||+||4.5/5||91/100||4.5/5||5/5||Jul 2019||3,499||amazon.com|
|14.||Sony A7R III||..||+ +||4/5||90/100||4.5/5||5/5||Oct 2017||3,199||ebay.com|
|15.||Sony A9||5/5||+ +||4.8/5||89/100||5/5||5/5||Apr 2017||4,499||ebay.com|
|16.||Sony A7R II||5/5||+ +||5/5||90/100||5/5||5/5||Jun 2015||3,199||ebay.com|
|17.||Sony A7S II||5/5||+||..||..||4.5/5||5/5||Sep 2015||2,999||ebay.com|
|Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.|
The review scores listed above should be treated with care, 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 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 your choice using the following search menu. As an alternative, you can also directly jump to any one of the listed comparisons that were previously generated by the CAM-parator tool.
- Canon 200D vs Canon 5D Mark III
- Canon 5D Mark III vs Nikon D850
- Canon 5D Mark III vs Panasonic GM5
- Canon 5D Mark III vs Panasonic GX80
- Canon 5D Mark III vs Panasonic LX10
- Canon 5D Mark III vs Sony A5100
- Canon 90D vs Sony A7S III
- Canon SX400 vs Sony A7S III
- Leica M10-R vs Sony A7S III
- Panasonic G5 vs Sony A7S III
- Sony A3000 vs Sony A7S III
- Sony A7S III vs Sony WX800
Specifications: Canon 5D Mark III vs Sony A7S III
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 5D Mark III||Sony A7S III|
|Camera Type||Digital single lens reflex||Mirrorless system camera|
|Camera Lens||Canon EF mount lenses||Sony E mount lenses|
|Launch Date||March 2012||July 2020|
|Launch Price||USD 3,499||USD 3,499|
|Sensor Specs||Canon 5D Mark III||Sony A7S III|
|Sensor Format||Full Frame Sensor||Full Frame Sensor|
|Sensor Size||36.0 x 24.0 mm||35.6 x 23.8 mm|
|Sensor Area||864 mm2||847.28 mm2|
|Sensor Diagonal||43.3 mm||42.8 mm|
|Sensor Resolution||22.1 Megapixels||12 Megapixels|
|Image Resolution||5760 x 3840 pixels||4240 x 2832 pixels|
|Pixel Pitch||6.25 μm||8.40 μm|
|Pixel Density||2.56 MP/cm2||1.42 MP/cm2|
|Moiré control||Anti-Alias filter||Anti-Alias filter|
|Movie Capability||1080/30p Video||4K/120p Video|
|ISO Setting||100 - 25,600 ISO||80 - 102,400 ISO|
|ISO Boost||50 - 102,400 ISO||40 - 409,600 ISO|
|Image Processor||DIGIC 5+||BIONZ XR|
|DXO Sensor Quality (score)||81||86|
|DXO Color Depth (bits)||24.0||23.7|
|DXO Dynamic Range (EV)||11.7||13.9|
|DXO Low Light (ISO)||2293||2520|
|Screen Specs||Canon 5D Mark III||Sony A7S III|
|Viewfinder Type||Optical viewfinder||Electronic viewfinder|
|Viewfinder Field of View||100%||100%|
|Viewfinder Resolution||9440k dots|
|Top-Level Screen||Control Panel||no Top Display|
|LCD Framing||Live View||Live View|
|Rear LCD Size||3.2inch||3.0inch|
|LCD Resolution||1040k dots||1440k dots|
|LCD Attachment||Fixed screen||Swivel screen|
|Touch Input||no Touchscreen||Touchscreen|
|Shooting Specs||Canon 5D Mark III||Sony A7S III|
|Focus System||Phase-detect AF||On-Sensor Phase-detect|
|Manual Focusing Aid||no Peaking Feature||Focus Peaking|
|Max Shutter Speed (mechanical)||1/8000s||1/8000s|
|Continuous Shooting||6 shutter flaps/s||10 shutter flaps/s|
|Shutter Life Expectancy||150 000 actuations||200 000 actuations|
|Electronic Shutter||no E-Shutter||YES|
|Image Stabilization||Lens stabilization only||In-body stabilization|
|Fill Flash||no On-Board Flash||no On-Board Flash|
|Storage Medium||CF or SDXC cards||CFexA or SDXC cards|
|Second Storage Option||Dual card slots||Dual card slots|
|UHS card support||no||Dual UHS-II|
|Connectivity Specs||Canon 5D Mark III||Sony A7S III|
|Studio Flash||PC Sync socket||no PC Sync|
|USB Connector||USB 2.0||USB 3.2|
|HDMI Port||mini HDMI||full HDMI|
|Microphone Port||External MIC port||External MIC port|
|Headphone Socket||Headphone port||Headphone port|
|Wifi Support||no Wifi||Wifi built-in|
|Bluetooth Support||no Bluetooth||Bluetooth built-in|
|Body Specs||Canon 5D Mark III||Sony A7S III|
|Environmental Sealing||Weathersealed body||Weathersealed body|
|Battery Life (CIPA)||950 shots per charge||600 shots per charge|
|In-Camera Charging||no USB charging||USB charging|
152 x 116 x 76 mm
(6.0 x 4.6 x 3.0 in)
127 x 97 x 81 mm
(5.0 x 3.8 x 3.2 in)
|Camera Weight||950 g (33.5 oz)||699 g (24.7 oz)|
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