Sony A99 vs A77 II
The Sony Alpha SLT-A99 and the Sony Alpha SLT-A77 II are two digital cameras that were revealed to the public, respectively, in September 2012 and May 2014. Both are DSLR (Digital Single Lens Reflex) cameras that are based on a full frame (A99) and an APS-C (A77 II) 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 SLT-A99 and the Sony Alpha SLT-A77 II? 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
An illustration of the physical size and weight of the Sony A99 and the Sony A77 II 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 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 A77 II is notably smaller (9 percent) than the Sony A99. Moreover, the A77 II is markedly lighter (20 percent) than the A99. 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 adjacent table lists the principal physical characteristics of the two cameras alongside a wider set of alternatives. 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.
Camera Model |
Camera Width |
Camera Height |
Camera Depth |
Camera Weight |
Battery Life |
Weather Sealing |
Camera Launch |
Launch Price (USD) |
Street Price |
||
---|---|---|---|---|---|---|---|---|---|---|---|
1. | Sony A99 | 147 mm | 111 mm | 78 mm | 812 g | 500 | Y | Sep 2012 | 2,799 | ebay.com | |
2. | Sony A77 II | 143 mm | 104 mm | 81 mm | 647 g | 480 | Y | May 2014 | 1,199 | ebay.com | |
3. | Canon R6 | 138 mm | 98 mm | 88 mm | 680 g | 360 | Y | Jul 2020 | 2,499 | amazon.com | |
4. | Nikon D7100 | 136 mm | 107 mm | 76 mm | 765 g | 950 | Y | Feb 2013 | 1,199 | ebay.com | |
5. | Sony A7R II | 127 mm | 96 mm | 60 mm | 625 g | 290 | Y | Jun 2015 | 3,199 | ebay.com | |
6. | Sony A7R III | 127 mm | 96 mm | 74 mm | 650 g | 650 | Y | Oct 2017 | 3,199 | ebay.com | |
7. | Sony A7S II | 127 mm | 96 mm | 60 mm | 627 g | 370 | Y | Sep 2015 | 2,999 | ebay.com | |
8. | Sony A9 | 127 mm | 96 mm | 63 mm | 673 g | 650 | Y | Apr 2017 | 4,499 | ebay.com | |
9. | Sony A9 II | 129 mm | 96 mm | 76 mm | 678 g | 690 | Y | Oct 2019 | 4,499 | amazon.com | |
10. | Sony A58 | 129 mm | 95 mm | 78 mm | 492 g | 690 | n | Feb 2013 | 599 | ebay.com | |
11. | Sony A68 | 143 mm | 104 mm | 81 mm | 610 g | 540 | n | Nov 2015 | 699 | ebay.com | |
12. | Sony A77 | 143 mm | 104 mm | 81 mm | 732 g | 470 | Y | Aug 2011 | 1,399 | ebay.com | |
13. | Sony A99 II | 143 mm | 104 mm | 76 mm | 849 g | 490 | Y | Sep 2016 | 3,199 | ebay.com | |
14. | Sony A850 | 156 mm | 117 mm | 82 mm | 895 g | 880 | Y | Aug 2009 | 1,999 | ebay.com | |
15. | Sony A900 | 156 mm | 117 mm | 82 mm | 895 g | 880 | Y | Sep 2008 | 2,999 | ebay.com | |
16. | Sony A6600 | 120 mm | 67 mm | 69 mm | 503 g | 810 | Y | Aug 2019 | 1,399 | amazon.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 A77 II was launched at a markedly lower price (by 57 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.
Sensor comparison
The size of the imaging sensor is a crucial determinant of image quality. A large sensor will generally have larger individual pixels that offer better low-light sensitivity, provide wider dynamic range, and have richer color-depth than smaller pixels in a sensor of the same technological generation. Furthermore, a large sensor camera will give the photographer more possibilities to use shallow depth-of-field in order to isolate a subject from the background. On the downside, larger sensors tend to be associated with larger, more expensive camera bodies and lenses.
Of the two cameras under consideration, the Sony A99 features a full frame sensor and the Sony A77 II an APS-C sensor. The sensor area in the A77 II is 57 percent smaller. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.0 and 1.5. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.
Even though the A99 has a larger sensor, both cameras offer the same resolution of 24 megapixels. This implies that the A99 has a lower pixel density and larger individual pixels (with a pixel pitch of 5.96μm versus 3.91μm for the A77 II), which gives it a potential advantage in terms of light gathering capacity. It should, however, be noted that the A77 II is a somewhat more recent model (by 1 year and 7 months) than the A99, and its sensor might have benefitted from technological advances during this time that at least partly compensate for the smaller pixel size.
The Sony Alpha SLT-A99 has a native sensitivity range from ISO 100 to ISO 25600, which can be extended to ISO 50-25600. The corresponding ISO settings for the Sony Alpha SLT-A77 II are ISO 100 to ISO 25600, with the possibility to increase the ISO range to 50-51200.
Technology-wise, both cameras are equipped with CMOS (Complementary Metal–Oxide–Semiconductor) sensors. 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 review, the A99 has a notably higher overall DXO score than the A77 II (overall score 7 points higher), which gives it an advantage in terms of imaging quality. This advantage is based on 0.6 bits higher color depth, 0.6 EV in additional dynamic range, and 0.6 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.
Camera Model |
Sensor Class |
Resolution (MP) |
Horiz. Pixels |
Vert. Pixels |
Video Format |
DXO Portrait |
DXO Landscape |
DXO Sports |
DXO Overall |
||
---|---|---|---|---|---|---|---|---|---|---|---|
1. | Sony A99 | Full Frame | 24.0 | 6000 | 4000 | 1080/60p | 25.0 | 14.0 | 1555 | 89 | |
2. | Sony A77 II | APS-C | 24.0 | 6000 | 4000 | 1080/60p | 24.4 | 13.4 | 1013 | 82 | |
3. | Canon R6 | Full Frame | 20.0 | 5472 | 3648 | 4k/60p | 24.2 | 14.3 | 3394 | 90 | |
4. | Nikon D7100 | APS-C | 24.0 | 6000 | 4000 | 1080/60p | 24.2 | 13.7 | 1256 | 83 | |
5. | Sony A7R II | Full Frame | 42.2 | 7952 | 5304 | 4K/30p | 26.0 | 13.9 | 3434 | 98 | |
6. | Sony A7R III | Full Frame | 42.2 | 7952 | 5304 | 4K/30p | 26.0 | 14.7 | 3523 | 100 | |
7. | Sony A7S II | Full Frame | 12.0 | 4240 | 2832 | 4K/30p | 23.6 | 13.3 | 2993 | 85 | |
8. | Sony A9 | Full Frame | 24.0 | 6000 | 4000 | 4K/30p | 24.9 | 13.3 | 3517 | 92 | |
9. | Sony A9 II | Full Frame | 24.0 | 6000 | 4000 | 4K/30p | 25.0 | 14.0 | 3434 | 93 | |
10. | Sony A58 | APS-C | 19.8 | 5456 | 3632 | 1080/60i | 23.3 | 12.5 | 753 | 74 | |
11. | Sony A68 | APS-C | 24.0 | 6000 | 4000 | 1080/60i | 24.1 | 13.5 | 701 | 79 | |
12. | Sony A77 | APS-C | 24.0 | 6000 | 4000 | 1080/60p | 24.0 | 13.2 | 801 | 78 | |
13. | Sony A99 II | Full Frame | 42.2 | 7952 | 5304 | 4K/30p | 25.4 | 13.4 | 2317 | 92 | |
14. | Sony A850 | Full Frame | 24.4 | 6048 | 4032 | none | 23.8 | 12.2 | 1415 | 79 | |
15. | Sony A900 | Full Frame | 24.4 | 6048 | 4032 | none | 23.7 | 12.3 | 1431 | 79 | |
16. | Sony A6600 | APS-C | 24.0 | 6000 | 4000 | 4K/30p | 23.8 | 13.4 | 1497 | 82 |
Many modern cameras cannot only take still pictures, but also record videos. The two cameras under consideration both have sensors whose read-out speed is fast enough to capture moving pictures, and both provide the same movie specifications (1080/60p).
Feature comparison
Beyond body and sensor, cameras can and do differ across a range of features. The A99 and the A77 II 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 following table reports on some other key feature differences and similarities of the Sony A99, the Sony A77 II, and comparable cameras.
Camera Model |
Viewfinder (Type or 000 dots) |
Control Panel (yes/no) |
LCD Specifications (inch/000 dots) |
LCD Attach- ment |
Touch Screen (yes/no) |
Max Shutter Speed * |
Max Shutter Flaps * |
Built-in Flash (yes/no) |
Built-in Image Stab |
||
---|---|---|---|---|---|---|---|---|---|---|---|
1. | Sony A99 | 2359 | Y | 3.0 / 1229 | full-flex | n | 1/8000s | 6.0/s | n | Y | |
2. | Sony A77 II | 2359 | Y | 3.0 / 1229 | full-flex | n | 1/8000s | 12.0/s | Y | Y | |
3. | Canon R6 | 3690 | n | 3.0 / 1620 | swivel | Y | 1/8000s | 12.0/s | n | Y | |
4. | Nikon D7100 | optical | Y | 3.2 / 1229 | fixed | n | 1/8000s | 6.0/s | Y | n | |
5. | Sony A7R II | 2400 | n | 3.0 / 1229 | tilting | n | 1/8000s | 5.0/s | n | Y | |
6. | Sony A7R III | 3686 | n | 3.0 / 1440 | tilting | Y | 1/8000s | 10.0/s | n | Y | |
7. | Sony A7S II | 2400 | n | 3.0 / 1229 | tilting | n | 1/8000s | 5.0/s | n | Y | |
8. | Sony A9 | 3686 | n | 3.0 / 1440 | tilting | Y | 1/8000s | 20.0/s | n | Y | |
9. | Sony A9 II | 3686 | n | 3.0 / 1440 | tilting | Y | 1/8000s | 20.0/s | n | Y | |
10. | Sony A58 | 1440 | n | 2.7 / 460 | tilting | n | 1/4000s | 5.0/s | Y | Y | |
11. | Sony A68 | 1440 | Y | 2.7 / 460 | tilting | n | 1/4000s | 8.0/s | Y | Y | |
12. | Sony A77 | 2359 | Y | 3.0 / 921 | full-flex | n | 1/8000s | 12.0/s | Y | Y | |
13. | Sony A99 II | 2400 | Y | 3.0 / 1229 | full-flex | n | 1/8000s | 12.0/s | n | Y | |
14. | Sony A850 | optical | Y | 3.0 / 922 | fixed | n | 1/8000s | 3.0/s | n | Y | |
15. | Sony A900 | optical | Y | 3.0 / 922 | fixed | n | 1/8000s | 5.0/s | n | Y | |
16. | Sony A6600 | 2359 | n | 3.0 / 922 | tilting | Y | 1/4000s | 11.0/s | n | Y | |
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one. |
One difference between the cameras concerns the presence of an on-board flash. The A77 II has one, while the A99 does not. While the built-in flash of the A77 II is not very powerful, it can at times be useful as a fill-in light.
Both cameras have an articulated rear screen that can be turned to be front-facing. This feature will be particularly appreciated by vloggers and photographers who are interested in taking selfies.Concerning the storage of imaging data, both the A99 and the A77 II write their files to SDXC or Memory Stick PRO Duo cards. The A99 features dual card slots, which can be very useful in case a memory card fails. In contrast, the A77 II only has one slot. Both cameras can use UHS-I cards, which provide for Ultra High Speed data transfer of up to 104 MB/s.
Connectivity comparison
For some imaging applications, the extent to which a camera can communicate with its environment can be an important aspect in the camera decision process. The table below provides an overview of the connectivity of the Sony Alpha SLT-A99 and Sony Alpha SLT-A77 II and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.
Camera Model |
Hotshoe Port |
Internal Mic / Speaker |
Microphone Port |
Headphone Port |
HDMI Port |
USB Port |
WiFi Support |
NFC Support |
Bluetooth Support |
||
---|---|---|---|---|---|---|---|---|---|---|---|
1. | Sony A99 | Y | stereo / mono | Y | Y | mini | 2.0 | - | - | - | |
2. | Sony A77 II | Y | stereo / mono | Y | - | mini | 2.0 | Y | Y | - | |
3. | Canon R6 | Y | mono / mono | Y | Y | micro | 3.2 | Y | - | Y | |
4. | Nikon D7100 | Y | stereo / mono | Y | Y | mini | 2.0 | - | - | - | |
5. | Sony A7R II | Y | stereo / mono | Y | Y | micro | 2.0 | Y | Y | - | |
6. | Sony A7R III | Y | stereo / mono | Y | Y | micro | 3.1 | Y | Y | Y | |
7. | Sony A7S II | Y | stereo / mono | Y | Y | micro | 2.0 | Y | Y | - | |
8. | Sony A9 | Y | stereo / mono | Y | Y | micro | 2.0 | Y | Y | Y | |
9. | Sony A9 II | Y | stereo / mono | Y | Y | micro | 3.1 | Y | Y | Y | |
10. | Sony A58 | Y | stereo / mono | Y | - | mini | 2.0 | - | - | - | |
11. | Sony A68 | Y | stereo / mono | Y | - | micro | 2.0 | - | - | - | |
12. | Sony A77 | Y | stereo / mono | Y | - | mini | 2.0 | - | - | - | |
13. | Sony A99 II | Y | stereo / mono | Y | Y | micro | 2.0 | Y | Y | Y | |
14. | Sony A850 | Y | - / - | - | - | mini | 2.0 | - | - | - | |
15. | Sony A900 | Y | - / - | - | - | mini | 2.0 | - | - | - | |
16. | Sony A6600 | Y | stereo / mono | Y | Y | YES | 2.0 | Y | Y | Y |
It is notable that the A99 has a headphone jack, which is not present on the A77 II This port makes it possible to attach external headphones and monitor the quality of sound during the recording process.
Both cameras feature a PC Sync terminal to control professional strobe lights, which will be appreciated by studio photographers.
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.
Both the A99 and the A77 II have been discontinued, but can regularly be found used on ebay. The A99 was replaced by the Sony A99, while the A77 II does not have a direct successor. Further information on the features and operation of the A99 and A77 II can be found, respectively, in the Sony A99 Manual (free pdf) or the online Sony A77 II Manual.
Review summary
So what is the bottom line? Is the Sony A99 better than the Sony A77 II or vice versa? The listing below highlights the relative strengths of the two models.
Reasons to prefer the Sony Alpha SLT-A99:
- 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 (0.6 EV of extra DR).
- Better low-light sensitivity: Requires less light for good images (0.6 stops ISO advantage).
- Better sound control: Has a headphone port that enables audio monitoring while recording.
- Easier geotagging: Features an internal GPS sensor to log localization data.
- Greater peace of mind: Features a second card slot as a backup in case of memory card failure.
- More heavily discounted: Has been on the market for longer (launched in September 2012).
Arguments in favor of the Sony Alpha SLT-A77 II:
- Larger viewfinder image: Features a viewfinder with a higher magnification (0.73x vs 0.71x).
- Faster burst: Shoots at higher frequency (12 vs 6 flaps/sec) to capture the decisive moment.
- Less heavy: Has a lower weight (by 165g or 20 percent) and is thus easier to take along.
- Easier fill-in: Has a small integrated flash to brighten shadows of backlit subjects.
- Easier file upload: Has wifi built in for automatic backup or image transfer to the web.
- Easier device pairing: Supports NFC for fast wireless image transfer over short distances.
- More affordable: Was introduced into a lower priced category (57 percent cheaper at launch).
- More modern: Was introduced somewhat (1 year and 7 months) more recently.
If the count of relative strengths (bullet points above) is taken as a measure, the A77 II comes out slightly ahead of the A99 (8 : 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 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 Sony A99 and the Sony A77 II 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 says little about, for example, the shooting experience and imaging performance of the A99 and the A77 II in practical situations. User reviews, such as those found at amazon, can sometimes inform about these issues, but such feedback is often incomplete, inconsistent, and biased.
Expert reviews
This is 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.
Camera Model |
AP score |
CL score |
DCW score |
DPR score |
EPZ score |
PB score |
Camera Launch |
Launch Price (USD) |
Street Price |
||
---|---|---|---|---|---|---|---|---|---|---|---|
1. | Sony A99 | 5/5 | .. | .. | 84/100 | 4.5/5 | 4.5/5 | Sep 2012 | 2,799 | ebay.com | |
2. | Sony A77 II | 4/5 | .. | .. | 80/100 | 4.5/5 | 5/5 | May 2014 | 1,199 | ebay.com | |
3. | Canon R6 | 5/5 | + + | 4/5 | 90/100 | 4.5/5 | 5/5 | Jul 2020 | 2,499 | amazon.com | |
4. | Nikon D7100 | 5/5 | + + | .. | 85/100 | 4.5/5 | 4.5/5 | Feb 2013 | 1,199 | ebay.com | |
5. | Sony A7R II | 5/5 | + + | 5/5 | 90/100 | 5/5 | 5/5 | Jun 2015 | 3,199 | ebay.com | |
6. | Sony A7R III | .. | + + | 4/5 | 90/100 | 4.5/5 | 5/5 | Oct 2017 | 3,199 | ebay.com | |
7. | Sony A7S II | 5/5 | + | .. | .. | 4.5/5 | 5/5 | Sep 2015 | 2,999 | ebay.com | |
8. | Sony A9 | 5/5 | + + | 4.8/5 | 89/100 | 5/5 | 5/5 | Apr 2017 | 4,499 | ebay.com | |
9. | Sony A9 II | .. | .. | 5/5 | 90/100 | 5/5 | 5/5 | Oct 2019 | 4,499 | amazon.com | |
10. | Sony A58 | 3/5 | .. | .. | .. | 4.5/5 | 4.5/5 | Feb 2013 | 599 | ebay.com | |
11. | Sony A68 | 3/5 | .. | .. | .. | 4/5 | 4/5 | Nov 2015 | 699 | ebay.com | |
12. | Sony A77 | 5/5 | 91/100 | .. | 81/100 | .. | 5/5 | Aug 2011 | 1,399 | ebay.com | |
13. | Sony A99 II | .. | .. | 4.5/5 | 85/100 | 4.5/5 | 4.5/5 | Sep 2016 | 3,199 | ebay.com | |
14. | Sony A850 | 3/5 | .. | .. | 75/100 | .. | 4.5/5 | Aug 2009 | 1,999 | ebay.com | |
15. | Sony A900 | .. | + + | .. | + + | 4.5/5 | 5/5 | Sep 2008 | 2,999 | ebay.com | |
16. | Sony A6600 | 4/5 | + | 4/5 | 83/100 | 4.5/5 | 4/5 | Aug 2019 | 1,399 | amazon.com | |
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available. |
Care should be taken when interpreting the review scores above, though. The ratings are only valid when referring to cameras in the same category and of the same age. A score, therefore, has to be seen in close connection to the price and market introduction time of the camera, and 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? If you would like to see a different side-by-side camera review, just use the search menu below. There is also a set of direct links to comparison reviews that other users of the CAM-parator app explored.
Specifications: Sony A99 vs Sony A77 II
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 A99 | Sony A77 II |
---|---|---|
Camera Type | Digital single lens reflex | Digital single lens reflex |
Camera Lens | Sony A mount lenses | Sony A mount lenses |
Launch Date | September 2012 | May 2014 |
Launch Price | USD 2,799 | USD 1,199 |
Sensor Specs | Sony A99 | Sony A77 II |
Sensor Technology | CMOS | CMOS |
Sensor Format | Full Frame Sensor | APS-C Sensor |
Sensor Size | 35.8 x 23.8 mm | 23.5 x 15.6 mm |
Sensor Area | 852.04 mm2 | 366.6 mm2 |
Sensor Diagonal | 43 mm | 28.2 mm |
Crop Factor | 1.0x | 1.5x |
Sensor Resolution | 24 Megapixels | 24 Megapixels |
Image Resolution | 6000 x 4000 pixels | 6000 x 4000 pixels |
Pixel Pitch | 5.96 μm | 3.91 μm |
Pixel Density | 2.82 MP/cm2 | 6.55 MP/cm2 |
Moiré control | Anti-Alias filter | Anti-Alias filter |
Movie Capability | 1080/60p Video | 1080/60p Video |
ISO Setting | 100 - 25,600 ISO | 100 - 25,600 ISO |
ISO Boost | 50 - 25,600 ISO | 50 - 51,200 ISO |
Image Processor | BIONZ X | BIONZ X |
DXO Sensor Quality (score) | 89 | 82 |
DXO Color Depth (bits) | 25.0 | 24.4 |
DXO Dynamic Range (EV) | 14.0 | 13.4 |
DXO Low Light (ISO) | 1555 | 1013 |
Screen Specs | Sony A99 | Sony A77 II |
Viewfinder Type | Electronic viewfinder | Electronic viewfinder |
Viewfinder Field of View | 100% | 100% |
Viewfinder Magnification | 0.71x | 0.73x |
Viewfinder Resolution | 2359k dots | 2359k dots |
Top-Level Screen | Control Panel | Control Panel |
LCD Framing | Live View | Live View |
Rear LCD Size | 3.0inch | 3.0inch |
LCD Resolution | 1229k dots | 1229k dots |
LCD Attachment | Fully flexible screen | Fully flexible screen |
Shooting Specs | Sony A99 | Sony A77 II |
Focus System | Phase-detect AF | Phase-detect AF |
Manual Focusing Aid | Focus Peaking | Focus Peaking |
Max Shutter Speed (mechanical) | 1/8000s | 1/8000s |
Continuous Shooting | 6 shutter flaps/s | 12 shutter flaps/s |
Shutter Life Expectancy | 200 000 actuations | 150 000 actuations |
Image Stabilization | In-body stabilization | In-body stabilization |
Fill Flash | no On-Board Flash | Built-in Flash |
Storage Medium | MS or SDXC cards | MS or SDXC cards |
Single or Dual Card Slots | Dual card slots | Single card slot |
UHS card support | UHS-I | UHS-I |
Connectivity Specs | Sony A99 | Sony A77 II |
External Flash | Hotshoe | Hotshoe |
Studio Flash | PC Sync socket | PC Sync socket |
USB Connector | USB 2.0 | USB 2.0 |
HDMI Port | mini HDMI | mini HDMI |
Microphone Port | External MIC port | External MIC port |
Headphone Socket | Headphone port | no Headphone port |
Wifi Support | no Wifi | Wifi built-in |
Near-Field Communication | no NFC | NFC built-in |
Geotagging | GPS built-in | no internal GPS |
Body Specs | Sony A99 | Sony A77 II |
Environmental Sealing | Weathersealed body | Weathersealed body |
Battery Type | Sony NP-FM500H | Sony NP-FM500H |
Battery Life (CIPA) | 500 shots per charge | 480 shots per charge |
Body Dimensions |
147 x 111 x 78 mm (5.8 x 4.4 x 3.1 in) |
143 x 104 x 81 mm (5.6 x 4.1 x 3.2 in) |
Camera Weight | 812 g (28.6 oz) | 647 g (22.8 oz) |
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