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Panasonic GH5s vs Sony A99 II

The Panasonic Lumix DC-GH5s and the Sony Alpha ALT-A99 II are two digital cameras that were revealed to the public, respectively, in January 2018 and September 2016. The GH5s is a mirrorless interchangeable lens camera, while the A99 II is a DSLR. The cameras are based on a Four Thirds (GH5s) and a full frame (A99 II) sensor. The Panasonic has a resolution of 9.9 megapixels, whereas the Sony provides 42.2 MP.

Below is an overview of the main specs of the two cameras as a starting point for the comparison.

Headline Specifications
Panasonic GH5s
versus
Sony A99 II
Panasonic GH5s   Sony A99 II
Mirrorless system camera Digital single lens reflex
Micro Four Thirds lenses Sony A mount lenses
9.9 MP – Four Thirds sensor 42.2 MP – Full Frame sensor
4K/60p Video 4K/30p Video
ISO 160-51,200 (80 - 204,800) ISO 100-25,600
Electronic viewfinder (3680k dots) Electronic viewfinder (2400k dots)
3.2" LCD – 1620k dots 3.0" LCD – 1229k dots
Swivel touchscreen Fully flexible screen (no touchscreen)
12 shutter flaps per second 12 shutter flaps per second
Lens stabilization onlyIn-body stabilization
Weathersealed bodyWeathersealed body
440 shots per battery charge490 shots per battery charge
139 x 98 x 87 mm, 660 g 143 x 104 x 76 mm, 849 g
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Going beyond this snapshot of core features and characteristics, what are the differences between the Panasonic Lumix DC-GH5s and the Sony Alpha ALT-A99 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.

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Body comparison

An illustration of the physical size and weight of the Panasonic GH5s and the Sony A99 II 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 size dimensions are rounded to the nearest millimeter.

Size Panasonic GH5s vs Sony A99 II
Compare GH5s versus A99 II top
Comparison GH5s or A99 II rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony A99 II is notably larger (9 percent) than the Panasonic GH5s. Moreover, the A99 II is markedly heavier (29 percent) than the GH5s. 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 GH5s gets 440 shots out of its Panasonic DMW-BLF19 battery, while the A99 II can take 490 images on a single charge of its Sony NP-FM500H power pack.

The following table provides a synthesis of the main physical specifications of the two cameras and other similar ones. 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.

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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 GH5s 139 mm 98 mm 87 mm 660 g 440 Y Jan 2018 US$ 2 499 amazon.com
2.
 
Sony A99 II 143 mm 104 mm 76 mm 849 g 490 Y Sep 2016 US$ 3 199ebay.com
3.
 
Canon 5DS R 152 mm 116 mm 76 mm 930 g 700 Y Feb 2015 US$ 3 699ebay.com
4.
 
Canon R 139 mm 98 mm 84 mm 660 g 370 Y Sep 2018 US$ 2 299ebay.com
5.
 
Nikon D850 146 mm 124 mm 79 mm 1005 g 1840 Y Jul 2017 US$ 3 299 amazon.com
6.
 
Panasonic FZ300 132 mm 92 mm 117 mm 691 g 380 Y Jul 2015 US$ 599 amazon.com
7.
 
Panasonic G2 124 mm 84 mm 74 mm 428 g 360 n Mar 2010 US$ 599ebay.com
8.
 
Panasonic G9 137 mm 97 mm 92 mm 658 g 400 Y Nov 2017 US$ 1 699ebay.com
9.
 
Panasonic G10 124 mm 84 mm 74 mm 388 g 380 n Mar 2010 US$ 499ebay.com
10.
 
Panasonic GF3 108 mm 67 mm 32 mm 264 g 300 n Jun 2011 US$ 549ebay.com
11.
 
Panasonic GF5 108 mm 67 mm 37 mm 267 g 360 n Apr 2012 US$ 499ebay.com
12.
 
Panasonic GH3 133 mm 93 mm 82 mm 550 g 540 Y Sep 2012 US$ 1 299ebay.com
13.
 
Panasonic GH4 133 mm 93 mm 84 mm 560 g 500 Y Feb 2014 US$ 1 499ebay.com
14.
 
Panasonic GH5 139 mm 98 mm 87 mm 725 g 410 Y Jan 2017 US$ 1 999ebay.com
15.
 
Sony A7R II 127 mm 96 mm 60 mm 625 g 290 Y Jun 2015 US$ 3 199ebay.com
16.
 
Sony A7R IIIA 127 mm 96 mm 74 mm 650 g 650 Y Apr 2021 US$ 3 199 amazon.com
17.
 
Sony A7S II 127 mm 96 mm 60 mm 627 g 370 Y Sep 2015 US$ 2 999ebay.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 manufacturer’s suggested retail prices give an idea on the placement of the camera in the maker’s lineup and the broader market. The GH5s was launched at a somewhat lower price (by 22 percent) than the A99 II, which makes it more attractive for photographers on a tight budget. 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 sensor inside a digital camera is one of the key determinants 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. 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 GH5s features a Four Thirds sensor and the Sony A99 II a full frame sensor. The sensor area in the A99 II is 283 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 2.0 and 1.0. The sensor in the GH5s has a native 4:3 aspect ratio, while the one in the A99 II offers a 3:2 aspect.

Panasonic GH5s and Sony A99 II sensor measures

With 42.2MP, the A99 II offers a higher resolution than the GH5s (9.9MP), but the A99 II has smaller individual pixels (pixel pitch of 4.52μm versus 4.77μm for the GH5s). It is noteworthy in this context that the GH5s is a somewhat more recent model (by 1 year and 3 months) than the A99 II, and its sensor might have benefitted from technological advances during this time that further enhance the light gathering capacity of its pixel-units. Coming back to sensor resolution, it should be mentioned that neither of the two cameras has an anti-alias filter installed, so they are able to capture all the detail the sensor resolves.

The resolution advantage of the Sony A99 II implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the A99 II for good quality output (200 dots per inch) amounts to 39.8 x 26.5 inches or 101 x 67.4 cm, for very good quality (250 dpi) 31.8 x 21.2 inches or 80.8 x 53.9 cm, and for excellent quality (300 dpi) 26.5 x 17.7 inches or 67.3 x 44.9 cm. The corresponding values for the Panasonic GH5s are 18.4 x 13.5 inches or 46.7 x 34.3 cm for good quality, 14.7 x 10.8 inches or 37.4 x 27.4 cm for very good quality, and 12.3 x 9 inches or 31.2 x 22.9 cm for excellent quality prints.

The A99 II has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.

The Panasonic Lumix DC-GH5s has a native sensitivity range from ISO 160 to ISO 51200, which can be extended to ISO 80-204800. The corresponding ISO settings for the Sony Alpha ALT-A99 II are ISO 100 to ISO 25600, with the possibility to increase the ISO range to 50-25600.

In terms of underlying technology, the GH5s is build around a CMOS sensor, while the A99 II 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.

GH5s versus A99 II MP

Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. This service assesses and scores the color depth ("DXO Portrait"), dynamic range ("DXO Landscape"), and low-light sensitivity ("DXO Sports") of camera sensors, and also publishes an overall camera score. 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 GH5s Four Thirds 9.9 3680 27004K/60p23.112.8115474
2.
 
Sony A99 II Full Frame 42.2 7952 53044K/30p25.413.4231792
3.
 
Canon 5DS R Full Frame 50.3 8688 57921080/30p24.612.4230886
4.
 
Canon R Full Frame 30.1 6720 44804K/30p24.513.5274289
5.
 
Nikon D850 Full Frame 45.4 8256 55044K/30p26.414.82660100
6.
 
Panasonic FZ300 1/2.3 12.0 4000 30004K/30p19.311.09738
7.
 
Panasonic G2 Four Thirds 12.0 4000 3000720/30p21.210.349353
8.
 
Panasonic G9 Four Thirds 20.2 5184 38884K/60p23.112.8113874
9.
 
Panasonic G10 Four Thirds 12.0 4000 3000720/30p21.210.141152
10.
 
Panasonic GF3 Four Thirds 12.0 4000 30001080/60i20.610.145950
11.
 
Panasonic GF5 Four Thirds 12.0 4000 30001080/60i20.510.057350
12.
 
Panasonic GH3 Four Thirds 15.9 4608 34561080/60p22.712.481271
13.
 
Panasonic GH4 Four Thirds 15.9 4608 34564K/30p23.212.879174
14.
 
Panasonic GH5 Four Thirds 20.2 5184 38884K/60p23.913.080777
15.
 
Sony A7R II Full Frame 42.2 7952 53044K/30p26.013.9343498
16.
 
Sony A7R IIIA Full Frame 42.2 7952 53044K/30p26.014.73523100
17.
 
Sony A7S II Full Frame 12.0 4240 28324K/30p23.613.3299385
Note: DXO values in italics represent estimates based on sensor size and age.

Many modern cameras are not only capable of taking still images, but can also record movies. Both cameras under consideration are equipped with sensors that have a sufficiently high read-out speed for moving images, but the GH5s provides a higher frame rate than the A99 II. It can shoot video footage at 4K/60p, while the Sony is limited to 4K/30p.

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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 GH5s offers a substantially higher resolution than the one in the A99 II (3680k vs 2400k dots). The table below summarizes some of the other core capabilities of the Panasonic GH5s and Sony A99 II in connection with corresponding information for a sample of similar 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 GH5s3680 n3.2 / 1620 swivel Y 1/8000s 12.0/s n n
2.
 
Sony A99 II2400 Y3.0 / 1229 full-flex n 1/8000s 12.0/s n Y
3.
 
Canon 5DS Roptical Y3.2 / 1040 fixed n 1/8000s 5.0/s n n
4.
 
Canon R3690 Y3.2 / 2100 swivel Y 1/8000s 8.0/s n n
5.
 
Nikon D850optical Y3.2 / 2359 tilting Y 1/8000s 9.0/s n n
6.
 
Panasonic FZ3001440 n3.0 / 1040 swivel Y 1/4000s 12.0/s Y Y
7.
 
Panasonic G21440 n3.0 / 460 swivel Y 1/4000s 2.6/s Y n
8.
 
Panasonic G93680 Y3.0 / 1040 swivel Y 1/8000s 20.0/s n Y
9.
 
Panasonic G10202 n3.0 / 460 fixed n 1/4000s 2.6/s Y n
10.
 
Panasonic GF3none n3.0 / 460 fixed Y 1/4000s 3.2/s Y n
11.
 
Panasonic GF5none n3.0 / 920 fixed Y 1/4000s 4.0/s Y n
12.
 
Panasonic GH31746 n3.0 / 614 swivel Y 1/4000s 6.0/s Y n
13.
 
Panasonic GH42359 n3.0 / 1036 swivel Y 1/8000s 12.0/s Y n
14.
 
Panasonic GH53680 n3.2 / 1620 swivel Y 1/8000s 12.0/s n Y
15.
 
Sony A7R II2400 n3.0 / 1229 tilting n 1/8000s 5.0/s n Y
16.
 
Sony A7R IIIA3686 n3.0 / 2340 tilting Y 1/8000s 10.0/s n Y
17.
 
Sony A7S II2400 n3.0 / 1229 tilting n 1/8000s 5.0/s n 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 GH5s has a touchscreen, while the A99 II 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 GH5s 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 GH5s 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 GH5s writes its imaging data to SDXC cards, while the A99 II uses 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 GH5s supports UHS-II cards (on both slots), while the A99 II 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-GH5s and Sony Alpha ALT-A99 II 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 GH5sYstereo / monoYYfull3.1Y-Y
2.
 
Sony A99 IIYstereo / monoYYmicro2.0YYY
3.
 
Canon 5DS RYmono / monoY-mini3.0---
4.
 
Canon RYstereo / monoYYmini3.1Y-Y
5.
 
Nikon D850Ystereo / monoYYmini3.0YYY
6.
 
Panasonic FZ300Ystereo / monoY-mini2.0Y--
7.
 
Panasonic G2Ystereo / mono--mini2.0---
8.
 
Panasonic G9Ystereo / monoYYfull3.0Y-Y
9.
 
Panasonic G10Ymono / ---mini2.0---
10.
 
Panasonic GF3-stereo / mono--mini2.0---
11.
 
Panasonic GF5-stereo / mono--mini2.0---
12.
 
Panasonic GH3Ystereo / monoYYmini2.0Y--
13.
 
Panasonic GH4Ystereo / monoYYmicro2.0YY-
14.
 
Panasonic GH5Ystereo / monoYYfull3.1Y-Y
15.
 
Sony A7R IIYstereo / monoYYmicro2.0YY-
16.
 
Sony A7R IIIAYstereo / monoYYmicro3.2YYY
17.
 
Sony A7S IIYstereo / monoYYmicro2.0YY-

Both cameras feature a PC Sync terminal to control professional strobe lights, which will be appreciated by studio photographers.

The GH5s is a recent model that features in the current product line-up of Panasonic. In contrast, the A99 II has been discontinued (but can be found pre-owned on ebay). There has not been a direct replacement model for the A99 II from Sony. Further information on the features and operation of the GH5s and A99 II can be found, respectively, in the Panasonic GH5s Manual (free pdf) or the online Sony A99 II Manual.

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Review summary

So how do things add up? Is there a clear favorite between the Panasonic GH5s and the Sony A99 II? Which camera is better? A synthesis of the relative strong points of each of the models is listed below.

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Advantages of the Panasonic Lumix DC-GH5s:

  • Better video: Provides higher movie framerates (4K/60p versus 4K/30p).
  • More detailed viewfinder: Has higher resolution electronic viewfinder (3680k vs 2400k dots).
  • Larger screen: Has a bigger rear LCD (3.2" vs 3.0") for image review and settings control.
  • More detailed LCD: Has a higher resolution rear screen (1620k vs 1229k 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.
  • Less heavy: Is lighter (by 189g or 22 percent) and hence easier to carry around.
  • 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).
  • More solid recording: Has a full-sized HDMI port for a sturdy connection to an external recorder.
  • Faster buffer clearing: Supports a more advanced SD data transfer standard (UHS-II vs UHS-I).
  • More affordable: Was introduced into a lower priced segment (22 percent cheaper at launch).
  • More modern: Is somewhat more recent (announced 1 year and 3 months after the A99 II).

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Reasons to prefer the Sony Alpha ALT-A99 II:

  • More detail: Has more megapixels (42.2 vs 9.9MP), which boosts linear resolution by 109%.
  • 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 0.76x).
  • Easier setting verification: Features a control panel on top to check shooting parameters.
  • Longer lasting: Gets more shots (490 versus 440) out of a single battery charge.
  • Sharper images: Has stabilization technology built-in to reduce the impact of hand-shake.
  • Easier device pairing: Supports NFC for fast wireless image transfer over short distances.
  • More heavily discounted: Has been on the market for longer (launched in September 2016).

If the count of relative strengths (bullet points above) is taken as a measure, the GH5s is the clear winner of the match-up (14 : 8 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.

GH5s 14:08 A99 II

How about other alternatives? Do the specifications of the Panasonic GH5s and the Sony A99 II 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 technical specifications can provide a useful overview of the capabilities of different cameras, it says little about, for example, the shooting experience and imaging performance of the GH5s and the A99 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 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.

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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 GH5s....4.5/584/1004.5/54.5/5 Jan 2018 US$ 2 499 amazon.com
2.
 
Sony A99 II....4.5/585/1004.5/54.5/5 Sep 2016 US$ 3 199ebay.com
3.
 
Canon 5DS R5/5+..83/1005/54.5/5 Feb 2015 US$ 3 699ebay.com
4.
 
Canon R4/5o4/579/1004.5/54/5 Sep 2018 US$ 2 299ebay.com
5.
 
Nikon D8504.5/5+ +5/589/1004.5/55/5 Jul 2017 US$ 3 299 amazon.com
6.
 
Panasonic FZ300..+ +....4.5/54.5/5 Jul 2015 US$ 599 amazon.com
7.
 
Panasonic G2......72/1004/54.5/5 Mar 2010 US$ 599ebay.com
8.
 
Panasonic G9..+ +5/585/1005/55/5 Nov 2017 US$ 1 699ebay.com
9.
 
Panasonic G103/5....70/1004/54/5 Mar 2010 US$ 499ebay.com
10.
 
Panasonic GF33/582/100..71/1004.5/54/5 Jun 2011 US$ 549ebay.com
11.
 
Panasonic GF53/5......4.5/54.5/5 Apr 2012 US$ 499ebay.com
12.
 
Panasonic GH35/5+ +..79/1004.5/54.5/5 Sep 2012 US$ 1 299ebay.com
13.
 
Panasonic GH45/5+ +..85/1005/55/5 Feb 2014 US$ 1 499ebay.com
14.
 
Panasonic GH54.5/5+ +..85/1004.5/55/5 Jan 2017 US$ 1 999ebay.com
15.
 
Sony A7R II5/5+ +5/590/1005/55/5 Jun 2015 US$ 3 199ebay.com
16.
 
Sony A7R IIIA..+ +4/590/1004.5/55/5 Apr 2021 US$ 3 199 amazon.com
17.
 
Sony A7S II5/5+....4.5/55/5 Sep 2015 US$ 2 999ebay.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

The above review scores should be interpreted with care, though. The assessments were made in relation to similar cameras of the same technological generation. Thus, a score needs to be put into the context of the launch date and the launch price of the camera, and comparisons of ratings among very different cameras or across long time periods 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? 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. There is also a set of direct links to comparison reviews that other users of the CAM-parator app explored.

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    Specifications: Panasonic GH5s vs Sony A99 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 Specifications
    Camera Model Panasonic GH5s Sony A99 II
    Camera Type Mirrorless system camera Digital single lens reflex
    Camera Lens Micro Four Thirds lenses Sony A mount lenses
    Launch Date January 2018 September 2016
    Launch Price USD 2,499 USD 3,199
    Sensor Specs Panasonic GH5s Sony A99 II
    Sensor Technology CMOS BSI-CMOS
    Sensor Format Four Thirds Sensor Full Frame Sensor
    Sensor Size 17.3 x 13.0 mm 35.9 x 24.0 mm
    Sensor Area 224.9 mm2 861.6 mm2
    Sensor Diagonal 21.6 mm 43.2 mm
    Crop Factor 2.0x 1.0x
    Sensor Resolution 9.9 Megapixels 42.2 Megapixels
    Image Resolution 3680 x 2700 pixels 7952 x 5304 pixels
    Pixel Pitch 4.77 μm 4.52 μm
    Pixel Density 4.42 MP/cm2 4.90 MP/cm2
    Moiré control no AA filter no AA filter
    Movie Capability 4K/60p Video 4K/30p Video
    ISO Setting 160 - 51,200 ISO 100 - 25,600 ISO
    ISO Boost 80 - 204,800 ISO 50 - 25,600 ISO
    Image Processor Venus 10 BIONZ X
    DXO Sensor Quality (score) .. 92
    DXO Color Depth (bits) .. 25.4
    DXO Dynamic Range (EV) .. 13.4
    DXO Low Light (ISO) .. 2317
    Screen Specs Panasonic GH5s Sony A99 II
    Viewfinder Type Electronic viewfinder Electronic viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.76x 0.78x
    Viewfinder Resolution 3680k dots 2400k dots
    Top-Level Screen no Top Display Control Panel
    LCD Framing Live View Live View
    Rear LCD Size 3.2inch 3.0inch
    LCD Resolution 1620k dots 1229k dots
    LCD Attachment Swivel screen Fully flexible screen
    Touch Input Touchscreen no Touchscreen
    Shooting Specs Panasonic GH5s Sony A99 II
    Focus System Contrast-detect AF Phase-detect AF
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/8000s 1/8000s
    Continuous Shooting 12 shutter flaps/s 12 shutter flaps/s
    Shutter Life Expectancy200 000 actuations300 000 actuations
    Electronic Shutterup to 1/16000sno E-Shutter
    Time-Lapse PhotographyIntervalometer built-inno Intervalometer
    Image StabilizationLens stabilization onlyIn-body stabilization
    Fill Flash no On-Board Flash no On-Board Flash
    Storage Medium SDXC cards MS or SDXC cards
    Single or Dual Card Slots Dual card slots Dual card slots
    UHS card support Dual UHS-II UHS-I
    Connectivity Specs Panasonic GH5s Sony A99 II
    External Flash Hotshoe Hotshoe
    Studio Flash PC Sync socket PC Sync socket
    USB Connector USB 3.1 USB 2.0
    HDMI Port full HDMI micro HDMI
    Microphone Port External MIC port External MIC port
    Headphone Socket Headphone port Headphone port
    Wifi Support Wifi built-in Wifi built-in
    Near-Field Communication no NFC NFC built-in
    Bluetooth Support Bluetooth built-in Bluetooth built-in
    Body Specs Panasonic GH5s Sony A99 II
    Environmental SealingWeathersealed bodyWeathersealed body
    Battery Type Panasonic DMW-BLF19 Sony NP-FM500H
    Battery Life (CIPA)440 shots per charge490 shots per charge
    Body Dimensions 139 x 98 x 87 mm
    (5.5 x 3.9 x 3.4 in)
    143 x 104 x 76 mm
    (5.6 x 4.1 x 3.0 in)
    Camera Weight 660 g (23.3 oz) 849 g (29.9 oz)
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