Sony A7 III vs A99
The Sony Alpha A7 III and the Sony Alpha SLT-A99 are two digital cameras that were officially introduced, respectively, in February 2018 and September 2012. The A7 III is a mirrorless interchangeable lens camera, while the A99 is a DSLR. Both cameras are equipped with a full frame sensor. Both cameras offer a resolution of 24 megapixels.
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 Sony Alpha A7 III and the Sony Alpha SLT-A99? 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 physical size and weight of the Sony A7 III and the Sony A99 are illustrated 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 width, height and depth measures 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 A99 is notably larger (34 percent) than the Sony A7 III. Moreover, the A99 is markedly heavier (25 percent) than the A7 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. Hence, you might want to study and compare the specifications of available lenses in order to get the full picture of the size and weight of the two camera systems.
Concerning battery life, the A7 III gets 610 shots out of its NP-FZ100 battery, while the A99 can take 500 images on a single charge of its NP-FM500H power pack. The power pack in the A7 III can be charged via the USB port, so that it is not always necessary to take the battery charger along when travelling.
The following table provides a synthesis of the main physical specifications of the two cameras and other similar ones. If you would like to visualize and compare a different camera combination, you can navigate to the CAM-parator app and make your selection from a broad list of cameras there.
|1.||Sony A7 III||127 mm||96 mm||74 mm||650 g||610||Y||Feb 2018||1,999||amazon.com|
|2.||Sony A99||147 mm||111 mm||78 mm||812 g||500||Y||Sep 2012||2,799||ebay.com|
|3.||Canon 6D Mark II||144 mm||111 mm||75 mm||765 g||1200||Y||Jun 2017||1,999||amazon.com|
|4.||Nikon Z6||134 mm||101 mm||67 mm||675 g||310||Y||Aug 2018||1,999||ebay.com|
|5.||Sony A7 IV||131 mm||96 mm||80 mm||659 g||580||Y||Oct 2021||2,499||amazon.com|
|6.||Sony A7C||124 mm||71 mm||60 mm||509 g||740||Y||Sep 2020||1,799||amazon.com|
|7.||Sony A9 II||129 mm||96 mm||76 mm||678 g||690||Y||Oct 2019||4,499||amazon.com|
|8.||Sony A7R IV||129 mm||96 mm||78 mm||665 g||670||Y||Jul 2019||3,499||amazon.com|
|9.||Sony A7R III||127 mm||96 mm||74 mm||650 g||650||Y||Oct 2017||3,199||ebay.com|
|10.||Sony A9||127 mm||96 mm||63 mm||673 g||650||Y||Apr 2017||4,499||ebay.com|
|11.||Sony A99 II||143 mm||104 mm||76 mm||849 g||490||Y||Sep 2016||3,199||ebay.com|
|12.||Sony A7 II||127 mm||96 mm||60 mm||599 g||350||Y||Nov 2014||1,999||ebay.com|
|13.||Sony A7||127 mm||94 mm||48 mm||474 g||340||Y||Oct 2013||1,699||ebay.com|
|14.||Sony A77||143 mm||104 mm||81 mm||732 g||470||Y||Aug 2011||1,399||ebay.com|
|15.||Sony A850||156 mm||117 mm||82 mm||895 g||880||Y||Aug 2009||1,999||ebay.com|
|16.||Sony A900||156 mm||117 mm||82 mm||895 g||880||Y||Sep 2008||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 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 A7 III was launched at a markedly lower price (by 29 percent) than the A99, which puts it into a different market segment. Usually, retail prices stay at first close to the launch price, but after several months, discounts become available. Later in the product cycle and, in particular, when the replacement model is about to appear, further discounting and stock clearance sales often push the camera price considerably down. Then, after the new model is out, very good deals can frequently be found on the pre-owned market.
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. 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.
Both cameras under consideration feature a full frame sensor, but their sensors differ slightly in size. The sensor area in the A99 is 1 percent bigger. 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.
Even though the A99 has a slightly larger sensor, both cameras offer the same resolution of 24 megapixels. This implies that the A99 has a lower pixel density and marginally larger individual pixels (with a pixel pitch of 5.96μm versus 5.94μm for the A7 III), which gives it a potential advantage in terms of light gathering capacity. It should, however, be noted that the A7 III is much more recent (by 5 years and 5 months) than the A99, and its sensor will have benefitted from technological advances during this time that at least partly compensate for the smaller pixel size.
The A7 III has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.
The Sony Alpha A7 III has a native sensitivity range from ISO 100 to ISO 51200, which can be extended to ISO 50-204800. The corresponding ISO settings for the Sony Alpha SLT-A99 are ISO 100 to ISO 25600, with the possibility to increase the ISO range to 50-25600.
In terms of underlying technology, the A7 III is build around a BSI-CMOS sensor, while the A99 uses a 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 determines an overall sensor rating, as well as sub-scores for low-light sensitivity ("DXO Sports"), dynamic range ("DXO Landscape"), and color depth ("DXO Portrait"). Of the two cameras under review, the A7 III has a notably higher overall DXO score than the A99 (overall score 7 points higher), which gives it an advantage in terms of imaging quality. 0.7 EV in additional dynamic range, and 1.3 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.||Sony A7 III||Full Frame||24.0||6000||4000||4K/30p||25.0||14.7||3730||96|
|2.||Sony A99||Full Frame||24.0||6000||4000||1080/60p||25.0||14.0||1555||89|
|3.||Canon 6D Mark II||Full Frame||26.0||6240||4160||1080/60p||24.4||11.9||2862||85|
|4.||Nikon Z6||Full Frame||24.3||6048||4024||4K/30p||25.3||14.3||3299||95|
|5.||Sony A7 IV||Full Frame||32.7||7008||4672||4K/60p||25.4||14.7||3379||97|
|6.||Sony A7C||Full Frame||24.0||6000||4000||4K/30p||25.0||14.7||3407||95|
|7.||Sony A9 II||Full Frame||24.0||6000||4000||4K/30p||25.0||14.0||3434||93|
|8.||Sony A7R IV||Full Frame||60.2||9504||6336||4K/30p||26.0||14.8||3344||99|
|9.||Sony A7R III||Full Frame||42.2||7952||5304||4K/30p||26.0||14.7||3523||100|
|10.||Sony A9||Full Frame||24.0||6000||4000||4K/30p||24.9||13.3||3517||92|
|11.||Sony A99 II||Full Frame||42.2||7952||5304||4K/30p||25.4||13.4||2317||92|
|12.||Sony A7 II||Full Frame||24.0||6000||4000||1080/60p||24.9||13.6||2449||90|
|13.||Sony A7||Full Frame||24.0||6000||4000||1080/60p||24.8||14.2||2248||90|
|15.||Sony A850||Full Frame||24.4||6048||4032||none||23.8||12.2||1415||79|
|16.||Sony A900||Full Frame||24.4||6048||4032||none||23.7||12.3||1431||79|
Many modern cameras are not only capable of taking still images, but can also record movies. The two cameras under consideration both have sensors whose read-out speed is fast enough to capture moving pictures, but the A7 III provides a higher video resolution than the A99. It can shoot video footage at 4K/30p, while the A99 is limited to 1080/60p.
Apart from body and sensor, cameras can and do differ across a variety of features. The A7 III and the A99 are similar in the sense that both feature an electronic viewfinder, which is helpful when framing images in bright sunlight. Moreover, their viewfinders offer an identical resolution of 2359k dots. The table below summarizes some of the other core capabilities of the Sony A7 III and Sony A99 in connection with corresponding information for a sample of similar cameras.
|1.||Sony A7 III||2359||n||3.0 / 922||tilting||Y||1/8000s||10.0/s||n||Y|
|2.||Sony A99||2359||Y||3.0 / 1229||full-flex||n||1/8000s||6.0/s||n||Y|
|3.||Canon 6D Mark II||optical||Y||3.0 / 1040||swivel||Y||1/4000s||6.5/s||n||n|
|4.||Nikon Z6||3690||Y||3.2 / 2100||tilting||Y||1/8000s||12.0/s||n||Y|
|5.||Sony A7 IV||3686||n||3.0 / 1037||swivel||Y||1/8000s||10.0/s||n||Y|
|6.||Sony A7C||2360||n||3.0 / 922||swivel||Y||1/4000s||10.0/s||n||Y|
|7.||Sony A9 II||3686||n||3.0 / 1440||tilting||Y||1/8000s||20.0/s||n||Y|
|8.||Sony A7R IV||5760||n||3.0 / 1440||tilting||Y||1/8000s||10.0/s||n||Y|
|9.||Sony A7R III||3686||n||3.0 / 1440||tilting||Y||1/8000s||10.0/s||n||Y|
|10.||Sony A9||3686||n||3.0 / 1440||tilting||Y||1/8000s||20.0/s||n||Y|
|11.||Sony A99 II||2400||Y||3.0 / 1229||full-flex||n||1/8000s||12.0/s||n||Y|
|12.||Sony A7 II||2400||n||3.0 / 1230||tilting||n||1/8000s||5.0/s||n||Y|
|13.||Sony A7||2400||n||3.0 / 1230||tilting||n||1/8000s||5.0/s||n||n|
|14.||Sony A77||2359||Y||3.0 / 921||full-flex||n||1/8000s||12.0/s||Y||Y|
|15.||Sony A850||optical||Y||3.0 / 922||fixed||n||1/8000s||3.0/s||n||Y|
|16.||Sony A900||optical||Y||3.0 / 922||fixed||n||1/8000s||5.0/s||n||Y|
|Notes: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.|
One differentiating feature between the two cameras concerns the touch sensitivity of the rear screen. The A7 III has a touchscreen, while the A99 has a conventional panel. Touch control can be particularly helpful, for example, for setting the focus point.The A99 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 A7 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 A7 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 Sony A7 III has an intervalometer built-in. This enables the photographer to capture time lapse sequences, such as flower blooming, a sunset or moon rise, without purchasing an external camera trigger and related software.
Concerning the storage of imaging data, both the A7 III and the A99 write their files to SDXC or Memory Stick PRO Duo cards. Both cameras feature dual card slots, which can be very useful in case a memory card fails. The A7 III supports UHS-II cards (on its first slot), while the A99 can use UHS-I 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 Sony Alpha A7 III and Sony Alpha SLT-A99 and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.
Mic / Speaker
|1.||Sony A7 III||Y||stereo / mono||Y||Y||micro||3.1||Y||Y||Y|
|2.||Sony A99||Y||stereo / mono||Y||Y||mini||2.0||-||-||-|
|3.||Canon 6D Mark II||Y||stereo / mono||Y||-||mini||2.0||Y||Y||Y|
|4.||Nikon Z6||Y||stereo / mono||Y||Y||micro||3.1||Y||-||Y|
|5.||Sony A7 IV||Y||stereo / mono||Y||Y||full||3.2||Y||-||Y|
|6.||Sony A7C||Y||stereo / mono||Y||Y||micro||3.2||Y||Y||Y|
|7.||Sony A9 II||Y||stereo / mono||Y||Y||micro||3.1||Y||Y||Y|
|8.||Sony A7R IV||Y||stereo / mono||Y||Y||micro||3.1||Y||Y||Y|
|9.||Sony A7R III||Y||stereo / mono||Y||Y||micro||3.1||Y||Y||Y|
|10.||Sony A9||Y||stereo / mono||Y||Y||micro||2.0||Y||Y||Y|
|11.||Sony A99 II||Y||stereo / mono||Y||Y||micro||2.0||Y||Y||Y|
|12.||Sony A7 II||Y||stereo / mono||Y||Y||micro||2.0||Y||Y||-|
|13.||Sony A7||Y||stereo / mono||Y||Y||micro||2.0||Y||Y||-|
|14.||Sony A77||Y||stereo / mono||Y||-||mini||2.0||-||-||-|
|15.||Sony A850||Y||- / -||-||-||mini||2.0||-||-||-|
|16.||Sony A900||Y||- / -||-||-||mini||2.0||-||-||-|
It is notable that the A7 III offers wifi support, while the A99 does not. Wifi can be a very convenient means to transfer image data to an off-camera location.
Studio photographers will appreciate that the Sony A99 (unlike the A7 III) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.
Travel and landscape photographers will find it useful that the A99 has an internal geolocalization sensor and can record GPS coordinates in its EXIF data.
The A7 III is a recent model that features in the current product line-up of Sony. In contrast, the A99 has been discontinued (but can be found pre-owned on ebay). As a replacement in the same line of cameras, the A99 was succeeded by the Sony A99. Further information on the features and operation of the A7 III and A99 can be found, respectively, in the Sony A7 III Manual (free pdf) or the online Sony A99 Manual.
So how do things add up? Is there a clear favorite between the Sony A7 III and the Sony A99? Which camera is better? The listing below highlights the relative strengths of the two models.
Advantages of the Sony Alpha A7 III:
- Better image quality: Scores markedly higher (7 points) in the DXO overall assessment.
- More dynamic range: Captures a larger spectrum of light and dark details (0.7 EV of extra DR).
- Better low-light sensitivity: Requires less light for good images (1.3 stops ISO advantage).
- Better video: Provides higher definition movie capture (4K/30p vs 1080/60p).
- Better live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
- Larger viewfinder image: Features a viewfinder with a higher magnification (0.78x vs 0.71x).
- Fewer buttons to press: Is equipped with a touch-sensitive rear screen to facilitate handling.
- 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.
- Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
- More compact: Is smaller (127x96mm vs 147x111mm) and thus needs less room in the bag.
- Less heavy: Is lighter (by 162g or 20 percent) and hence easier to carry around.
- Longer lasting: Can take more shots (610 versus 500) on a single battery charge.
- Easier travel charging: Can be conveniently charged via its USB port.
- More legacy lens friendly: Can take a broad range of non-native lenses via adapters.
- Faster data transfer: Supports a more advanced USB protocol (3.1 vs 2.0).
- 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: Supports a more advanced SD data transfer standard (UHS-II vs UHS-I).
- More affordable: Was introduced into a lower priced category (29 percent cheaper at launch).
- More modern: Reflects 5 years and 5 months of technical progress since the A99 launch.
Reasons to prefer the Sony Alpha SLT-A99:
- Easier setting verification: Features a control panel on top to check shooting parameters.
- More detailed LCD: Has a higher resolution rear screen (1229k vs 922k dots).
- More flexible LCD: Has a full-flex screen for odd-angle shots in portrait or landscape orientation.
- More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
- Easier geotagging: Features an internal GPS sensor to log localization data.
- Better studio light control: Has a PC Sync socket to connect to professional strobe lights.
- More heavily discounted: Has been around for much longer (launched in September 2012).
If the count of individual advantages (bullet points above) is taken as a guide, the A7 III is the clear winner of the match-up (22 : 7 points). However, the relative importance of the various individual camera aspects will vary according to personal preferences and needs, so that you might like to apply corresponding weights to the particular features before making a decision on a new camera. A professional 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 Sony A7 III and the Sony A99 place the cameras among the top in their class? Find out in the latest Best Mirrorless Interchangeable Lens Camera and Best DSLR 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 remains incomplete and does no justice, for example, to the way the A7 III or the A99 perform in practice. 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 hands-on reviews by experts are important. The adjacent summary-table relays the overall verdicts of several of the most popular camera review sites (amateurphotographer [AP], cameralabs [CL], digitalcameraworld [DCW], dpreview [DPR], ephotozine [EPZ], photographyblog [PB]). As can be seen, the professional reviewers agree in many cases on the quality of different cameras, but sometimes their assessments diverge, reinforcing the earlier point that a camera decision is often a very personal choice.
|1.||Sony A7 III||..||+ +||4.5/5||89/100||5/5||5/5||Feb 2018||1,999||amazon.com|
|2.||Sony A99||5/5||..||..||84/100||4.5/5||4.5/5||Sep 2012||2,799||ebay.com|
|3.||Canon 6D Mark II||4/5||+||4/5||80/100||4.5/5||4/5||Jun 2017||1,999||amazon.com|
|4.||Nikon Z6||5/5||..||5/5||89/100||4.5/5||5/5||Aug 2018||1,999||ebay.com|
|5.||Sony A7 IV||5/5||+ +||4.5/5||89/100||4.5/5||4.5/5||Oct 2021||2,499||amazon.com|
|6.||Sony A7C||3.5/5||..||3.5/5||86/100||4/5||4/5||Sep 2020||1,799||amazon.com|
|7.||Sony A9 II||..||..||5/5||90/100||5/5||5/5||Oct 2019||4,499||amazon.com|
|8.||Sony A7R IV||5/5||+||4.5/5||91/100||4.5/5||5/5||Jul 2019||3,499||amazon.com|
|9.||Sony A7R III||..||+ +||4/5||90/100||4.5/5||5/5||Oct 2017||3,199||ebay.com|
|10.||Sony A9||5/5||+ +||4.8/5||89/100||5/5||5/5||Apr 2017||4,499||ebay.com|
|11.||Sony A99 II||..||..||4.5/5||85/100||4.5/5||4.5/5||Sep 2016||3,199||ebay.com|
|12.||Sony A7 II||5/5||+||4/5||82/100||4.5/5||5/5||Nov 2014||1,999||ebay.com|
|13.||Sony A7||5/5||+ +||..||80/100||5/5||5/5||Oct 2013||1,699||ebay.com|
|14.||Sony A77||5/5||91/100||..||81/100||..||5/5||Aug 2011||1,399||ebay.com|
|15.||Sony A850||3/5||..||..||75/100||..||4.5/5||Aug 2009||1,999||ebay.com|
|16.||Sony A900||..||+ +||..||+ +||4.5/5||5/5||Sep 2008||2,999||ebay.com|
|Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.|
Care should be taken when interpreting the review scores above, 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. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting.
Specifications: Sony A7 III vs Sony A99
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||Sony A7 III||Sony A99|
|Camera Type||Mirrorless system camera||Digital single lens reflex|
|Camera Lens||Sony E mount lenses||Sony A mount lenses|
|Launch Date||February 2018||September 2012|
|Launch Price||USD 1,999||USD 2,799|
|Sensor Specs||Sony A7 III||Sony A99|
|Sensor Format||Full Frame Sensor||Full Frame Sensor|
|Sensor Size||35.6 x 23.8 mm||35.8 x 23.8 mm|
|Sensor Area||847.28 mm2||852.04 mm2|
|Sensor Diagonal||42.8 mm||43 mm|
|Sensor Resolution||24 Megapixels||24 Megapixels|
|Image Resolution||6000 x 4000 pixels||6000 x 4000 pixels|
|Pixel Pitch||5.94 μm||5.96 μm|
|Pixel Density||2.83 MP/cm2||2.82 MP/cm2|
|Moiré control||Anti-Alias filter||Anti-Alias filter|
|Movie Capability||4K/30p Video||1080/60p Video|
|ISO Setting||100 - 51,200 ISO||100 - 25,600 ISO|
|ISO Boost||50 - 204,800 ISO||50 - 25,600 ISO|
|Image Processor||BIONZ X||BIONZ X|
|DXO Sensor Quality (score)||96||89|
|DXO Color Depth (bits)||25.0||25.0|
|DXO Dynamic Range (EV)||14.7||14.0|
|DXO Low Light (ISO)||3730||1555|
|Screen Specs||Sony A7 III||Sony A99|
|Viewfinder Type||Electronic viewfinder||Electronic viewfinder|
|Viewfinder Field of View||100%||100%|
|Viewfinder Resolution||2359k dots||2359k dots|
|Top-Level Screen||no Top Display||Control Panel|
|LCD Framing||Live View||Live View|
|Rear LCD Size||3.0inch||3.0inch|
|LCD Resolution||922k dots||1229k dots|
|LCD Attachment||Tilting screen||Fully flexible screen|
|Touch Input||Touchscreen||no Touchscreen|
|Shooting Specs||Sony A7 III||Sony A99|
|Focus System||On-Sensor Phase-detect||Phase-detect AF|
|Manual Focusing Aid||Focus Peaking||Focus Peaking|
|Max Shutter Speed (mechanical)||1/8000s||1/8000s|
|Continuous Shooting||10 shutter flaps/s||6 shutter flaps/s|
|Shutter Life Expectancy||200 000 actuations||200 000 actuations|
|Electronic Shutter||YES||no E-Shutter|
|Time-Lapse Photography||Intervalometer built-in||no Intervalometer|
|Image Stabilization||In-body stabilization||In-body stabilization|
|Fill Flash||no On-Board Flash||no On-Board Flash|
|Storage Medium||MS or SDXC cards||MS or SDXC cards|
|Second Storage Option||Dual card slots||Dual card slots|
|UHS card support||Single UHS-II||UHS-I|
|Connectivity Specs||Sony A7 III||Sony A99|
|Studio Flash||no PC Sync||PC Sync socket|
|USB Connector||USB 3.1||USB 2.0|
|HDMI Port||micro HDMI||mini HDMI|
|Microphone Port||External MIC port||External MIC port|
|Headphone Socket||Headphone port||Headphone port|
|Wifi Support||Wifi built-in||no Wifi|
|Near-Field Communication||NFC built-in||no NFC|
|Bluetooth Support||Bluetooth built-in||no Bluetooth|
|Geotagging||no internal GPS||GPS built-in|
|Body Specs||Sony A7 III||Sony A99|
|Environmental Sealing||Weathersealed body||Weathersealed body|
|Battery Life (CIPA)||610 shots per charge||500 shots per charge|
|In-Camera Charging||USB charging||no USB charging|
127 x 96 x 74 mm
(5.0 x 3.8 x 2.9 in)
147 x 111 x 78 mm
(5.8 x 4.4 x 3.1 in)
|Camera Weight||650 g (22.9 oz)||812 g (28.6 oz)|
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