Canon 1D Mark IV vs Sony A7S III
The Canon EOS-1D Mark IV and the Sony Alpha 7S III are two professional cameras that were revealed to the public, respectively, in October 2009 and July 2020. The 1D Mark IV is a DSLR, while the A7S III is a mirrorless interchangeable lens camera. The cameras are based on an APS-H (1D Mark IV) and a full frame (A7S III) sensor. The Canon has a resolution of 16 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-1D Mark IV 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.
The side-by-side display below illustrates the physical size and weight of the Canon 1D Mark IV and the Sony A7S III. The two cameras are presented according to their relative size. Three consecutive perspectives from the front, the top, and the back are available. 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 (50 percent) than the Canon 1D Mark IV. Moreover, the A7S III is substantially lighter (43 percent) than the 1D Mark IV. 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. A larger imaging sensor will tend to go along with bigger and heavier lenses, although exceptions exist. You can compare the optics available for the two cameras in the Canon EF Lens Catalog (1D Mark IV) 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 1D Mark IV gets 1500 shots out of its LP-E4 battery, while the A7S III can take 600 images on a single charge of its NP-FZ100 power pack. As can be seen in the images above, the 1D Mark IV has a battery grip built in. This facilitates image-taking in portrait orientation and gives it additional battery power. In order to provide similar functionality for the A7S III, Sony provides the VG-C3EM vertical grip as an optional accessory (see here on ebay). The power pack in the A7S III can be charged via the USB port, which can be very convenient when travelling.
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, you can move across to the CAM-parator tool and choose from the broad selection of possible camera comparisons there.
|1.||Canon 1D Mark IV||156 mm||157 mm||80 mm||1230 g||1500||Y||Oct 2009||4,999||ebay.com|
|2.||Sony A7S III||127 mm||97 mm||81 mm||699 g||600||Y||Jul 2020||3,499||amazon.com|
|3.||Canon 1D X Mark II||158 mm||168 mm||83 mm||1530 g||1210||Y||Feb 2016||5,999||ebay.com|
|4.||Canon 1D X||158 mm||168 mm||83 mm||1551 g||1120||Y||Oct 2011||6,799||ebay.com|
|5.||Canon 60D||145 mm||106 mm||79 mm||755 g||1100||Y||Aug 2010||1,399||ebay.com|
|6.||Canon 7D||148 mm||111 mm||74 mm||860 g||800||Y||Sep 2009||1,699||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 1D Mark III||156 mm||157 mm||80 mm||1155 g||2200||Y||Feb 2007||4,499||ebay.com|
|9.||Canon 1D Mark II||156 mm||158 mm||80 mm||1535 g||1200||Y||Jan 2004||4,499||ebay.com|
|10.||Canon 1Ds Mark II||156 mm||158 mm||80 mm||1215 g||1200||Y||Sep 2004||7,999||ebay.com|
|11.||Nikon D4||160 mm||157 mm||91 mm||1340 g||2600||Y||Jan 2012||5,999||ebay.com|
|12.||Nikon D3S||160 mm||157 mm||88 mm||1240 g||4200||Y||Oct 2009||5,199||ebay.com|
|13.||Sony A1||129 mm||97 mm||81 mm||737 g||530||Y||Jan 2021||6,499||amazon.com|
|14.||Sony A7 IV||131 mm||96 mm||80 mm||659 g||580||Y||Oct 2021||2,499||amazon.com|
|15.||Sony A7R IV||129 mm||96 mm||78 mm||665 g||670||Y||Jul 2019||3,499||amazon.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 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 A7S III was launched at a markedly lower price (by 30 percent) than the 1D Mark IV, 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. Then, after the new model is out, very good deals can frequently be found on the pre-owned market.
The size of the imaging sensor is a crucial determinant 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. 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 are more costly to manufacture and tend to lead to bigger and heavier cameras and lenses.
Of the two cameras under consideration, the Canon 1D Mark IV features an APS-H sensor and the Sony A7S III a full frame sensor. The sensor area in the A7S III is 63 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.3 and 1.0. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.
Despite having a smaller sensor, the Canon 1D Mark IV offers a higher resolution of 16 megapixels, compared with 12 MP of the Sony A7S III. 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 5.70μm versus 8.40μm for the A7S III). Moreover, it should be noted that the A7S III is much more recent (by 10 years and 9 months) than the 1D Mark IV, and its sensor will have benefitted from technological advances during this time that further enhance the light gathering capacity of its pixel-units.
The resolution advantage of the Canon 1D Mark IV implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the 1D Mark IV for good quality output (200 dots per inch) amounts to 24.5 x 16.3 inches or 62.2 x 41.5 cm, for very good quality (250 dpi) 19.6 x 13.1 inches or 49.7 x 33.2 cm, and for excellent quality (300 dpi) 16.3 x 10.9 inches or 41.5 x 27.6 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-1D Mark IV has a native sensitivity range from ISO 100 to ISO 12800, 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 1D Mark IV 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.
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 consideration, the A7S III offers substantially better image quality than the 1D Mark IV (overall score 12 points higher). The advantage is based on 0.9 bits higher color depth, 1.9 EV in additional dynamic range, and 0.9 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.
|1.||Canon 1D Mark IV||APS-H||16.0||4896||3264||1080/30p||22.8||12.0||1320||74|
|2.||Sony A7S III||Full Frame||12.0||4240||2832||4K/120p||23.7||13.9||2520||86|
|3.||Canon 1D X Mark II||Full Frame||20.0||5472||3648||4K/60p||24.1||13.5||3207||88|
|4.||Canon 1D X||Full Frame||17.9||5184||3456||1080/30p||23.8||11.8||2786||82|
|7.||Canon 5D Mark II||Full Frame||21.0||5616||3744||1080/30p||23.7||11.9||1815||79|
|8.||Canon 1D Mark III||APS-H||10.1||3888||2592||none||22.7||11.7||1078||71|
|9.||Canon 1D Mark II||APS-H||8.2||3504||2336||none||22.3||11.1||1003||66|
|10.||Canon 1Ds Mark II||Full Frame||16.6||4992||3328||none||23.3||11.3||1480||74|
|11.||Nikon D4||Full Frame||16.2||4928||3280||1080/30p||24.7||13.1||2965||89|
|12.||Nikon D3S||Full Frame||12.1||4256||2832||720/24p||23.5||12.0||3253||82|
|13.||Sony A1||Full Frame||49.8||8640||5760||8k/30p||25.9||14.5||3163||98|
|14.||Sony A7 IV||Full Frame||32.7||7008||4672||4K/60p||25.4||14.7||3379||97|
|15.||Sony A7R IV||Full Frame||60.2||9504||6336||4K/30p||26.0||14.8||3344||99|
|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. The two cameras under consideration both have sensors whose read-out speed is fast enough to capture moving pictures, but the A7S III provides a better video resolution than the 1D Mark IV. 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 1D Mark IV 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 1D Mark IV (0.91x vs 0.58x), so that the size of the image transmitted appears closer to the size seen with the naked human eye. The adjacent table lists some of the other core features of the Canon 1D Mark IV and Sony A7S III along with similar information for a selection of comparators.
|1.||Canon 1D Mark IV||optical||Y||3.0 / 920||fixed||n||1/8000s||10.0/s||n||n|
|2.||Sony A7S III||9440||n||3.0 / 1440||swivel||Y||1/8000s||10.0/s||n||Y|
|3.||Canon 1D X Mark II||optical||Y||3.2 / 1620||fixed||Y||1/8000s||16.0/s||n||n|
|4.||Canon 1D X||optical||Y||3.2 / 1040||fixed||n||1/8000s||14.0/s||n||n|
|5.||Canon 60D||optical||Y||3.0 / 1040||swivel||n||1/8000s||5.3/s||Y||n|
|6.||Canon 7D||optical||Y||3.0 / 920||fixed||n||1/8000s||8.0/s||Y||n|
|7.||Canon 5D Mark II||optical||Y||3.0 / 920||fixed||n||1/8000s||3.9/s||n||n|
|8.||Canon 1D Mark III||optical||Y||3.0 / 230||fixed||n||1/8000s||10.0/s||n||n|
|9.||Canon 1D Mark II||optical||Y||2.0 / 230||fixed||n||1/8000s||8.3/s||n||n|
|10.||Canon 1Ds Mark II||optical||Y||2.0 / 230||fixed||n||1/8000s||4.0/s||n||n|
|11.||Nikon D4||optical||Y||3.2 / 921||fixed||n||1/8000s||11.0/s||n||n|
|12.||Nikon D3S||optical||Y||3.0 / 921||fixed||n||1/8000s||11.0/s||n||n|
|13.||Sony A1||9437||n||3.0 / 1440||tilting||Y||1/8000s||10.0/s||n||Y|
|14.||Sony A7 IV||3686||n||3.0 / 1037||swivel||Y||1/8000s||10.0/s||n||Y|
|15.||Sony A7R IV||5760||n||3.0 / 1440||tilting||Y||1/8000s||10.0/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 1D Mark IV, 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 1D Mark IV 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 1D Mark IV writes its imaging data to Compact Flash or SDHC 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 1D Mark IV 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-1D Mark IV 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 1D Mark IV||Y||stereo / -||Y||-||mini||2.0||-||-||-|
|2.||Sony A7S III||Y||stereo / mono||Y||Y||full||3.2||Y||-||Y|
|3.||Canon 1D X Mark II||Y||mono / mono||Y||Y||mini||3.0||-||-||-|
|4.||Canon 1D X||Y||mono / -||Y||-||mini||2.0||-||-||-|
|5.||Canon 60D||Y||mono / mono||Y||-||mini||2.0||-||-||-|
|6.||Canon 7D||Y||mono / -||Y||-||mini||2.0||-||-||-|
|7.||Canon 5D Mark II||Y||mono / mono||Y||-||mini||2.0||-||-||-|
|8.||Canon 1D Mark III||Y||- / -||-||-||-||2.0||-||-||-|
|9.||Canon 1D Mark II||Y||- / -||-||-||-||1.1||-||-||-|
|10.||Canon 1Ds Mark II||Y||- / -||-||-||-||2.0||-||-||-|
|11.||Nikon D4||Y||mono / mono||Y||Y||micro||2.0||-||-||-|
|12.||Nikon D3S||Y||stereo / -||-||-||mini||2.0||-||-||-|
|13.||Sony A1||Y||stereo / mono||Y||Y||full||3.2||Y||-||Y|
|14.||Sony A7 IV||Y||stereo / mono||Y||Y||full||3.2||Y||-||Y|
|15.||Sony A7R IV||Y||stereo / mono||Y||Y||micro||3.1||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 1D Mark IV does not provide wifi capability.
Studio photographers will appreciate that the Canon 1D Mark IV (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 1D Mark IV has been discontinued (but can be found pre-owned on ebay). There has not been a direct replacement model for the 1D Mark IV from Canon. Further information on the features and operation of the 1D Mark IV and A7S III can be found, respectively, in the Canon 1D Mark IV Manual (free pdf) or the online Sony A7S III Manual.
So what conclusions can be drawn? Is there a clear favorite between the Canon 1D Mark IV and the Sony A7S III? Which camera is better? A synthesis of the relative strong points of each of the models is listed below.
Advantages of the Canon EOS-1D Mark IV:
- More detail: Offers more megapixels (16 vs 12MP) with a 15% 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.
- More portrait friendly: Features an integrated vertical grip for easier portrait shooting.
- Longer lasting: Can take more shots (1500 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 October 2009).
Arguments in favor of the Sony Alpha 7S III:
- Better image quality: Scores substantially higher (12 points) in the DXO overall evaluation.
- More dynamic range: Captures a broader range of light and dark details (1.9 EV of extra DR).
- Better low-light sensitivity: Can shoot in dim conditions (0.9 stops ISO advantage).
- 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.
- Better sound control: Has a headphone port that enables audio monitoring while recording.
- More framing info: Has an electronic viewfinder that displays shooting data.
- Larger viewfinder image: Features a viewfinder with a higher magnification (0.91x vs 0.58x).
- More detailed LCD: Has a higher resolution rear screen (1440k vs 920k 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.
- Less disturbing: Has an electronic shutter option for completely silent shooting.
- More compact: Is smaller (127x97mm vs 156x157mm) and will fit more readily into a bag.
- Less heavy: Has a lower weight (by 531g or 43 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 affordable: Was introduced into a lower priced category (30 percent cheaper at launch).
- More modern: Reflects 10 years and 9 months of technical progress since the 1D Mark IV 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 (25 : 7 points). However, the pertinence of the various camera strengths will differ across photographers, so that you might want to weigh individual camera traits according to their importance for your own imaging needs before making a camera decision. 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.
How about other alternatives? Do the specifications of the Canon 1D Mark IV 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 remains incomplete and does no justice, for example, to the way the 1D Mark IV or the A7S III perform in practice. User reviews, such as those found at amazon, can sometimes inform about these issues, but such feedback is often incomplete, inconsistent, and biased.
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 (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 1D Mark IV||5/5||..||..||89/100||..||..||Oct 2009||4,999||ebay.com|
|2.||Sony A7S III||..||+ +||5/5||91/100||4.5/5||5/5||Jul 2020||3,499||amazon.com|
|3.||Canon 1D X Mark II||..||..||4.5/5||89/100||4.5/5||4.5/5||Feb 2016||5,999||ebay.com|
|4.||Canon 1D X||5/5||..||..||..||4.5/5||4.5/5||Oct 2011||6,799||ebay.com|
|5.||Canon 60D||5/5||+||..||79/100||4/5||4.5/5||Aug 2010||1,399||ebay.com|
|6.||Canon 7D||5/5||+ +||..||84/100||4.5/5||4.5/5||Sep 2009||1,699||ebay.com|
|7.||Canon 5D Mark II||4/5||91/100||..||79/100||4/5||..||Sep 2008||3,499||ebay.com|
|8.||Canon 1D Mark III||..||..||..||..||..||..||Feb 2007||4,499||ebay.com|
|9.||Canon 1D Mark II||..||..||..||+ +||..||..||Jan 2004||4,499||ebay.com|
|10.||Canon 1Ds Mark II||..||..||..||+ +||..||..||Sep 2004||7,999||ebay.com|
|11.||Nikon D4||..||..||..||..||4.5/5||4.5/5||Jan 2012||5,999||ebay.com|
|12.||Nikon D3S||5/5||..||..||89/100||4.5/5||5/5||Oct 2009||5,199||ebay.com|
|13.||Sony A1||5/5||o||4.5/5||93/100||4.5/5||5/5||Jan 2021||6,499||amazon.com|
|14.||Sony A7 IV||5/5||+ +||4.5/5||89/100||4.5/5||4.5/5||Oct 2021||2,499||amazon.com|
|15.||Sony A7R IV||5/5||+||4.5/5||91/100||4.5/5||5/5||Jul 2019||3,499||amazon.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 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.
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 make your choice using the following search menu. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting.
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- Canon 1D Mark IV vs Fujifilm X10
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Specifications: Canon 1D Mark IV 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 1D Mark IV||Sony A7S III|
|Camera Type||Digital single lens reflex||Mirrorless system camera|
|Camera Lens||Canon EF mount lenses||Sony E mount lenses|
|Launch Date||October 2009||July 2020|
|Launch Price||USD 4,999||USD 3,499|
|Sensor Specs||Canon 1D Mark IV||Sony A7S III|
|Sensor Format||APS-H Sensor||Full Frame Sensor|
|Sensor Size||27.9 x 18.6 mm||35.6 x 23.8 mm|
|Sensor Area||518.94 mm2||847.28 mm2|
|Sensor Diagonal||33.5 mm||42.8 mm|
|Sensor Resolution||16 Megapixels||12 Megapixels|
|Image Resolution||4896 x 3264 pixels||4240 x 2832 pixels|
|Pixel Pitch||5.70 μm||8.40 μm|
|Pixel Density||3.08 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 - 12,800 ISO||80 - 102,400 ISO|
|ISO Boost||50 - 102,400 ISO||40 - 409,600 ISO|
|Image Processor||DIGIC IV||BIONZ XR|
|DXO Sensor Quality (score)||74||86|
|DXO Color Depth (bits)||22.8||23.7|
|DXO Dynamic Range (EV)||12.0||13.9|
|DXO Low Light (ISO)||1320||2520|
|Screen Specs||Canon 1D Mark IV||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||3.0inch||3.0inch|
|LCD Resolution||920k dots||1440k dots|
|LCD Attachment||Fixed screen||Swivel screen|
|Touch Input||no Touchscreen||Touchscreen|
|Shooting Specs||Canon 1D Mark IV||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||10 shutter flaps/s||10 shutter flaps/s|
|Shutter Life Expectancy||300 000 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 SDHC cards||CFexA or SDXC cards|
|Single or Dual Card Slots||Dual card slots||Dual card slots|
|UHS card support||no||Dual UHS-II|
|Connectivity Specs||Canon 1D Mark IV||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||no Headphone port||Headphone port|
|Wifi Support||no Wifi||Wifi built-in|
|Bluetooth Support||no Bluetooth||Bluetooth built-in|
|Body Specs||Canon 1D Mark IV||Sony A7S III|
|Environmental Sealing||Weathersealed body||Weathersealed body|
|Battery Life (CIPA)||1500 shots per charge||600 shots per charge|
|In-Camera Charging||no USB charging||USB charging|
156 x 157 x 80 mm
(6.1 x 6.2 x 3.1 in)
127 x 97 x 81 mm
(5.0 x 3.8 x 3.2 in)
|Camera Weight||1230 g (43.4 oz)||699 g (24.7 oz)|
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