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Panasonic S5 II vs Sony A77

The Panasonic Lumix DC-S5 II and the Sony Alpha SLT-A77 are two enthusiast cameras that were revealed to the public, respectively, in January 2023 and August 2011. The S5 II is a mirrorless interchangeable lens camera, while the A77 is a DSLR. The cameras are based on a full frame (S5 II) and an APS-C (A77) 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.

Headline Specifications
Panasonic S5 II
versus
Sony A77
Panasonic S5 II   Sony A77
Mirrorless system camera Digital single lens reflex
Leica L mount lenses Sony A mount lenses
24 MP – Full Frame sensor 24 MP – APS-C sensor
6K/30p Video 1080/60p Video
ISO 100-51,200 (50 - 204,800) ISO 100-16,000 (50 - 25,600)
Electronic viewfinder (3680k dots) Electronic viewfinder (2359k dots)
3.0" LCD – 1840k dots 3.0" LCD – 921k dots
Swivel touchscreen Fully flexible screen (no touchscreen)
9 shutter flaps per second 12 shutter flaps per second
In-body stabilizationIn-body stabilization
Weathersealed bodyWeathersealed body
370 shots per battery charge470 shots per battery charge
134 x 102 x 90 mm, 740 g 143 x 104 x 81 mm, 732 g
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Going beyond this snapshot of core features and characteristics, what are the differences between the Panasonic Lumix DC-S5 II and the Sony Alpha SLT-A77? 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.

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Body comparison

An illustration of the physical size and weight of the Panasonic S5 II and the Sony A77 is provided in the side-by-side display below. The two cameras are presented according to their relative size. Three consecutive perspectives from the front, the top, and the back are available. All width, height and depth dimensions are rounded to the nearest millimeter.

Size Panasonic S5 II vs Sony A77
Compare S5 II versus A77 top
Comparison S5 II or A77 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony A77 is notably larger (9 percent) than the Panasonic S5 II. However, the A77 is slightly lighter (1 percent) than the S5 II. 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 S5 II gets 370 shots out of its Panasonic DMW-BLK22 battery, while the A77 can take 470 images on a single charge of its Sony NP-FM500H power pack. The power pack in the S5 II can be charged via the USB port, so that it is not always necessary to take the battery charger along when travelling.

The table below summarizes the key physical specs of the two cameras alongside a broader set of comparators. 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.

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Body Specifications
  empty Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price
Street
Price
1.
 
Panasonic S5 II 134 mm 102 mm 90 mm 740 g 370 Y Jan 2023 US$ 1 999 amazon.com
2.
 
Sony A77 143 mm 104 mm 81 mm 732 g 470 Y Aug 2011 US$ 1 399ebay.com
3.
 
Nikon Z6 134 mm 101 mm 67 mm 675 g 310 Y Aug 2018 US$ 1 999ebay.com
4.
 
Nikon Z6 II 134 mm 101 mm 70 mm 705 g 410 Y Oct 2020 US$ 1 999 amazon.com
5.
 
Nikon Zf 144 mm 103 mm 49 mm 710 g 380 Y Sep 2023 US$ 1 999 amazon.com
6.
 
Panasonic G9 137 mm 97 mm 92 mm 658 g 400 Y Nov 2017 US$ 1 699ebay.com
7.
 
Panasonic G9 II 134 mm 102 mm 90 mm 658 g 390 Y Sep 2023 US$ 1 899 amazon.com
8.
 
Panasonic GH6 138 mm 100 mm 100 mm 823 g 360 Y Feb 2022 US$ 2 199 amazon.com
9.
 
Panasonic S1 149 mm 110 mm 97 mm 1017 g 400 Y Feb 2019 US$ 2 499 amazon.com
10.
 
Panasonic S1H 151 mm 114 mm 110 mm 1052 g 400 Y May 2019 US$ 3 999 amazon.com
11.
 
Panasonic S5 133 mm 98 mm 82 mm 714 g 440 Y Sep 2020 US$ 1 999 amazon.com
12.
 
Pentax K-3 131 mm 100 mm 77 mm 800 g 560 Y Oct 2013 US$ 1 299ebay.com
13.
 
Sony A7 II 127 mm 96 mm 60 mm 599 g 350 Y Nov 2014 US$ 1 999ebay.com
14.
 
Sony A7 III 127 mm 96 mm 74 mm 650 g 610 Y Feb 2018 US$ 1 999 amazon.com
15.
 
Sony A77 II 143 mm 104 mm 81 mm 647 g 480 Y May 2014 US$ 1 199ebay.com
16.
 
Sony A99 147 mm 111 mm 78 mm 812 g 500 Y Sep 2012 US$ 2 799ebay.com
17.
 
Sony A6500 120 mm 67 mm 53 mm 453 g 350 Y Oct 2016 US$ 1 399ebay.com
Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.

The price is, of course, an important factor in any camera decision. 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 was launched at a markedly lower price (by 30 percent) than the S5 II, 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.

Sensor comparison

The size of the imaging sensor is a crucial determinant of image quality. All other things equal, a large sensor will have larger individual pixel-units that offer better low-light sensitivity, wider dynamic range, and richer color-depth than smaller pixels in a sensor of the same technological generation. Further, a large sensor camera will give the photographer additional creative options when using shallow depth-of-field to isolate a subject from its 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 Panasonic S5 II features a full frame sensor and the Sony A77 an APS-C sensor. The sensor area in the A77 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.

Panasonic S5 II and Sony A77 sensor measures

Even though the S5 II has a larger sensor, both cameras offer the same resolution of 24 megapixels. This implies that the S5 II has a lower pixel density and larger individual pixels (with a pixel pitch of 5.94μm versus 3.91μm for the A77), which gives it a potential advantage in terms of light gathering capacity. In addition, the S5 II is much more recent (by 11 years and 4 months) than the A77, and its sensor will have benefitted from technological advances during this time. Coming back to sensor resolution, it should be mentioned that the S5 II has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

The S5 II has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.

Unlike the A77, the S5 II has the capacity to capture high quality composite images (96MP) by combining multiple shots after shifting its sensor by miniscule distances. This multi-shot, pixel-shift mode is most suitable for photography of stationary objects (landscapes, studio scenes).

The Panasonic Lumix DC-S5 II 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-A77 are ISO 100 to ISO 16000, with the possibility to increase the ISO range to 50-25600.

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.

S5 II versus A77 MP

For many cameras, data on sensor performance has been reported by DXO Mark. 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"). The adjacent table reports on the physical sensor characteristics and the outcomes of the DXO sensor quality tests for a sample of comparator-cameras.

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Sensor Characteristics
  empty Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Panasonic S5 II Full Frame 24.0 6000 40006K/30p25.414.6315896
2.
 
Sony A77 APS-C 24.0 6000 40001080/60p24.013.280178
3.
 
Nikon Z6 Full Frame 24.3 6048 40244K/30p25.314.3329995
4.
 
Nikon Z6 II Full Frame 24.3 6048 40244K/60p25.014.4330394
5.
 
Nikon Zf Full Frame 24.3 6048 40244K/60p25.414.7324396
6.
 
Panasonic G9 Four Thirds 20.2 5184 38884K/60p23.112.8113874
7.
 
Panasonic G9 II Four Thirds 25.0 5776 43365.7K/60p23.413.5171078
8.
 
Panasonic GH6 Four Thirds 25.0 5776 43365.7K/60p23.413.4155577
9.
 
Panasonic S1 Full Frame 24.0 6000 40004K/60p25.214.5333395
10.
 
Panasonic S1H Full Frame 24.0 6000 40006K/30p25.214.2280594
11.
 
Panasonic S5 Full Frame 24.0 6000 40004K/60p25.114.5269794
12.
 
Pentax K-3 APS-C 24.1 6016 40001080/60i23.713.4121680
13.
 
Sony A7 II Full Frame 24.0 6000 40001080/60p24.913.6244990
14.
 
Sony A7 III Full Frame 24.0 6000 40004K/30p25.014.7373096
15.
 
Sony A77 II APS-C 24.0 6000 40001080/60p24.413.4101382
16.
 
Sony A99 Full Frame 24.0 6000 40001080/60p25.014.0155589
17.
 
Sony A6500 APS-C 24.0 6000 40004K/30p24.513.7140585
Note: DXO values in italics represent estimates based on sensor size and age.

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, but the S5 II provides a higher video resolution than the A77. It can shoot video footage at 6K/30p, while the Sony is limited to 1080/60p.

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Feature comparison

Beyond body and sensor, cameras can and do differ across a range of features. The two cameras under consideration are similar with respect to both having an electronic viewfinder. However, the one in the S5 II offers a substantially higher resolution than the one in the A77 (3680k vs 2359k dots). The following table reports on some other key feature differences and similarities of the Panasonic S5 II, the Sony A77, and comparable cameras.

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Core Features
  empty 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.
 
Panasonic S5 II3680 n3.0 / 1840 swivel Y 1/8000s 9.0/s n Y
2.
 
Sony A772359 Y3.0 / 921 full-flex n 1/8000s 12.0/s Y Y
3.
 
Nikon Z63690 Y3.2 / 2100 tilting Y 1/8000s 12.0/s n Y
4.
 
Nikon Z6 II3690 Y3.2 / 2100 tilting Y 1/8000s 14.0/s n Y
5.
 
Nikon Zf3690 n3.2 / 2100 swivel Y 1/8000s 14.0/s n Y
6.
 
Panasonic G93680 Y3.0 / 1040 swivel Y 1/8000s 20.0/s n Y
7.
 
Panasonic G9 II3680 n3.0 / 1840 swivel Y 1/8000s 10.0/s n Y
8.
 
Panasonic GH63680 n3.0 / 1840 full-flex Y 1/8000s 14.0/s n Y
9.
 
Panasonic S15760 Y3.2 / 2100 full-flex Y 1/8000s 9.0/s n Y
10.
 
Panasonic S1H5760 Y3.2 / 2330 swivel Y 1/8000s 9.0/s n Y
11.
 
Panasonic S52360 n3.0 / 1840 swivel Y 1/8000s 7.0/s n Y
12.
 
Pentax K-3optical Y3.2 / 1037 fixed n 1/8000s 8.3/s Y Y
13.
 
Sony A7 II2400 n3.0 / 1230 tilting n 1/8000s 5.0/s n Y
14.
 
Sony A7 III2359 n3.0 / 922 tilting Y 1/8000s 10.0/s n Y
15.
 
Sony A77 II2359 Y3.0 / 1229 full-flex n 1/8000s 12.0/s Y Y
16.
 
Sony A992359 Y3.0 / 1229 full-flex n 1/8000s 6.0/s n Y
17.
 
Sony A65002359 n3.0 / 922 tilting Y 1/4000s 11.0/s Y Y
Note: *) 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 S5 II has a touchscreen, while the A77 has a conventional panel. Touch control can be particularly helpful, for example, for setting the focus point.

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.

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 S5 II 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 Panasonic S5 II 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.

The S5 II writes its imaging data to SDXC cards, while the A77 uses SDXC or Memory Stick PRO Duo cards. The S5 II features dual card slots, which can be very useful in case a memory card fails. In contrast, the A77 only has one slot. The S5 II supports UHS-II cards (on both slots), while the A77 can use UHS-I cards.

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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 Panasonic Lumix DC-S5 II and Sony Alpha SLT-A77 and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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Input-Output Connections
  empty Camera
Model
Hotshoe
Port
Internal
Mic / Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Panasonic S5 IIYstereo / monoYYfull3.2Y-Y
2.
 
Sony A77Ystereo / monoY-mini2.0---
3.
 
Nikon Z6Ystereo / monoYYmicro3.1Y-Y
4.
 
Nikon Z6 IIYstereo / monoYYmicro3.2Y-Y
5.
 
Nikon ZfYstereo / monoYYmicro3.2Y-Y
6.
 
Panasonic G9Ystereo / monoYYfull3.0Y-Y
7.
 
Panasonic G9 IIYstereo / monoYYfull3.2Y-Y
8.
 
Panasonic GH6Ystereo / monoYYfull3.2Y-Y
9.
 
Panasonic S1Ystereo / monoYYfull3.1Y-Y
10.
 
Panasonic S1HYstereo / monoYYfull3.1Y-Y
11.
 
Panasonic S5Ystereo / monoYYmicro3.2Y-Y
12.
 
Pentax K-3Ymono / monoYYmini3.0---
13.
 
Sony A7 IIYstereo / monoYYmicro2.0YY-
14.
 
Sony A7 IIIYstereo / monoYYmicro3.1YYY
15.
 
Sony A77 IIYstereo / monoY-mini2.0YY-
16.
 
Sony A99Ystereo / monoYYmini2.0---
17.
 
Sony A6500Ystereo / monoY-micro2.0YY-

It is notable that the S5 II has a headphone jack, which is not present on the A77 This port makes it possible to attach external headphones and monitor the quality of sound during the recording process.

Studio photographers will appreciate that the Sony A77 (unlike the S5 II) 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 A77 has an internal geolocalization sensor and can record GPS coordinates in its EXIF data.

The S5 II is a recent model that features in the current product line-up of Panasonic. In contrast, the A77 has been discontinued (but can be found pre-owned on ebay). As a replacement in the same line of cameras, the A77 was succeeded by the Sony A77 II. Further information on the features and operation of the S5 II and A77 can be found, respectively, in the Panasonic S5 II Manual (free pdf) or the online Sony A77 Manual.

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Review summary

So how do things add up? Is the Panasonic S5 II better than the Sony A77 or vice versa? The listing below highlights the relative strengths of the two models.

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Reasons to prefer the Panasonic Lumix DC-S5 II:

  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • High quality composites: Can combine several shots after pixel-shifting its sensor.
  • Better image quality: Features a larger and more technologically advanced imaging sensor.
  • Richer colors: The sensor size advantage translates into images with better, more accurate colors.
  • More dynamic range: Larger sensor captures a wider spectrum of light and dark details.
  • Better low-light sensitivity: Larger sensor produces good images even in poorly lit environments.
  • Better video: Provides higher definition movie capture (6K/30p vs 1080/60p).
  • 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 detailed viewfinder: Has higher resolution electronic viewfinder (3680k vs 2359k dots).
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.78x vs 0.73x).
  • More detailed LCD: Has a higher resolution rear screen (1840k vs 921k dots).
  • Fewer buttons to press: Is equipped with a touch-sensitive rear screen to facilitate handling.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
  • 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 (3.2 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.
  • Greater peace of mind: Features a second card slot as a backup in case of memory card failure.
  • Faster buffer clearing: Supports a more advanced SD data transfer standard (UHS-II vs UHS-I).
  • More modern: Reflects 11 years and 4 months of technical progress since the A77 launch.

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Arguments in favor of the Sony Alpha SLT-A77:

  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • Easier setting verification: Features a control panel on top to check shooting parameters.
  • Faster burst: Shoots at higher frequency (12 vs 9 flaps/sec) to capture the decisive moment.
  • Longer lasting: Gets more shots (470 versus 370) out of a single battery charge.
  • Easier fill-in: Has a small integrated flash to brighten shadows of backlit subjects.
  • 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 affordable: Was introduced into a lower priced category (30 percent cheaper at launch).
  • More heavily discounted: Has been around for much longer (launched in August 2011).

If the count of relative strengths (bullet points above) is taken as a measure, the S5 II is the clear winner of the match-up (24 : 9 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.

S5 II 24:09 A77

How about other alternatives? Do the specifications of the Panasonic S5 II and the Sony A77 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 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 S5 II or the A77 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.

Expert reviews

This is why hands-on reviews by experts 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.

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Expert Camera Reviews
  empty  Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price
Street
Price
1.
 
Panasonic S5 II4.5/5+ +5/590/1004.5/55/5 Jan 2023 US$ 1 999 amazon.com
2.
 
Sony A775/591/100..81/100..5/5 Aug 2011 US$ 1 399ebay.com
3.
 
Nikon Z65/5..5/589/1004.5/55/5 Aug 2018 US$ 1 999ebay.com
4.
 
Nikon Z6 II4.5/5..4/589/1004.5/54.5/5 Oct 2020 US$ 1 999 amazon.com
5.
 
Nikon Zf4.5/5..4.5/590/1004.5/55/5 Sep 2023 US$ 1 999 amazon.com
6.
 
Panasonic G9..+ +5/585/1005/55/5 Nov 2017 US$ 1 699ebay.com
7.
 
Panasonic G9 II5/5..4.5/587/100..4.5/5 Sep 2023 US$ 1 899 amazon.com
8.
 
Panasonic GH65/5+ +5/587/1005/55/5 Feb 2022 US$ 2 199 amazon.com
9.
 
Panasonic S14.5/5+ +4.5/588/1004.5/54/5 Feb 2019 US$ 2 499 amazon.com
10.
 
Panasonic S1H....4/590/100.... May 2019 US$ 3 999 amazon.com
11.
 
Panasonic S54.5/5+ +4.5/588/1004.5/54.5/5 Sep 2020 US$ 1 999 amazon.com
12.
 
Pentax K-34/5....83/1005/55/5 Oct 2013 US$ 1 299ebay.com
13.
 
Sony A7 II5/5+4/582/1004.5/55/5 Nov 2014 US$ 1 999ebay.com
14.
 
Sony A7 III..+ +4.5/589/1005/55/5 Feb 2018 US$ 1 999 amazon.com
15.
 
Sony A77 II4/5....80/1004.5/55/5 May 2014 US$ 1 199ebay.com
16.
 
Sony A995/5....84/1004.5/54.5/5 Sep 2012 US$ 2 799ebay.com
17.
 
Sony A65005/5+ +3.5/585/1004.5/54.5/5 Oct 2016 US$ 1 399ebay.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 comparing ratings of very distinct cameras or ones that are far apart in terms of their release date have little meaning. Also, kindly note that some of the listed sites have over time developped their review approaches and their reporting style.

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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. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting.

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    Specifications: Panasonic S5 II vs Sony A77

    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 Specifications
    Camera Model Panasonic S5 II Sony A77
    Camera Type Mirrorless system camera Digital single lens reflex
    Camera Lens Leica L mount lenses Sony A mount lenses
    Launch Date January 2023 August 2011
    Launch Price USD 1,999 USD 1,399
    Sensor Specs Panasonic S5 II Sony A77
    Sensor Technology CMOS CMOS
    Sensor Format Full Frame Sensor APS-C Sensor
    Sensor Size 35.6 x 23.8 mm 23.5 x 15.6 mm
    Sensor Area 847.28 mm2 366.6 mm2
    Sensor Diagonal 42.8 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 5.94 μm 3.91 μm
    Pixel Density 2.83 MP/cm2 6.55 MP/cm2
    Moiré control no AA filter Anti-Alias filter
    Movie Capability 6K/30p Video 1080/60p Video
    ISO Setting 100 - 51,200 ISO 100 - 16,000 ISO
    ISO Boost 50 - 204,800 ISO 50 - 25,600 ISO
    Image Processor Venus BIONZ X
    DXO Sensor Quality (score) .. 78
    DXO Color Depth (bits) .. 24.0
    DXO Dynamic Range (EV) .. 13.2
    DXO Low Light (ISO) .. 801
    Screen Specs Panasonic S5 II Sony A77
    Viewfinder Type Electronic viewfinder Electronic viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.78x 0.73x
    Viewfinder Resolution 3680k 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 1840k dots 921k dots
    LCD Attachment Swivel screen Fully flexible screen
    Touch Input Touchscreen no Touchscreen
    Shooting Specs Panasonic S5 II Sony A77
    Focus System On-Sensor Phase-detect Phase-detect AF
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/8000s 1/8000s
    Continuous Shooting 9 shutter flaps/s 12 shutter flaps/s
    Shutter Life Expectancy200 000 actuations150 000 actuations
    Electronic Shutterup to 1/8000sno E-Shutter
    Time-Lapse PhotographyIntervalometer built-inno Intervalometer
    Image StabilizationIn-body stabilizationIn-body stabilization
    Fill Flash no On-Board Flash Built-in Flash
    Storage Medium SDXC cards MS or SDXC cards
    Single or Dual Card Slots Dual card slots Single card slot
    UHS card support Dual UHS-II UHS-I
    Connectivity Specs Panasonic S5 II Sony A77
    External Flash Hotshoe Hotshoe
    Studio Flash no PC Sync PC Sync socket
    USB Connector USB 3.2 USB 2.0
    HDMI Port full HDMI mini HDMI
    Microphone Port External MIC port External MIC port
    Headphone Socket Headphone port no Headphone port
    Wifi Support Wifi built-in no Wifi
    Bluetooth Support Bluetooth built-in no Bluetooth
    Geotagging no internal GPS GPS built-in
    Body Specs Panasonic S5 II Sony A77
    Environmental SealingWeathersealed bodyWeathersealed body
    Battery Type Panasonic DMW-BLK22 Sony NP-FM500H
    Battery Life (CIPA)370 shots per charge470 shots per charge
    In-Camera Charging USB charging no USB charging
    Body Dimensions 134 x 102 x 90 mm
    (5.3 x 4.0 x 3.5 in)
    143 x 104 x 81 mm
    (5.6 x 4.1 x 3.2 in)
    Camera Weight 740 g (26.1 oz) 732 g (25.8 oz)
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