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Panasonic S1 vs Sony A99

The Panasonic Lumix DC-S1 and the Sony Alpha SLT-A99 are two digital cameras that were revealed to the public, respectively, in February 2019 and September 2012. The S1 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.

Headline Specifications
Panasonic S1   Sony A99
Panasonic S1 Sony A99
Mirrorless system camera Digital single lens reflex
Leica L mount lenses Sony A mount lenses
24 MP, Full Frame Sensor 24 MP, Full Frame Sensor
4K/60p Video 1080/60p Video
ISO 100-51200 (50-204800) ISO 100-25600
Electronic viewfinder (5760k dots) Electronic viewfinder (2359k dots)
3.2" LCD, 2100k dots 3.0" LCD, 1229k dots
Fully flexible touchscreen Fully flexible screen (no touchscreen)
9 shutter flaps per second 6 shutter flaps per second
In-body stabilizationIn-body stabilization
Weathersealed bodyWeathersealed body
400 shots per battery charge500 shots per battery charge
149 x 110 x 97 mm, 1017 g 147 x 111 x 78 mm, 812 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Panasonic Lumix DC-S1 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.

Body comparison: Panasonic S1 vs Sony A99

The side-by-side display below illustrates the physical size and weight of the Panasonic S1 and the Sony A99. 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.

Size Panasonic S1 vs Sony A99
Compare S1 versus A99 top
Comparison S1 or A99 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Panasonic S1 and the Sony A99 are of equal size. However, the A99 is markedly lighter (20 percent) than the S1. 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 S1 gets 400 shots out of its DMW-BLJ31 battery, while the A99 can take 500 images on a single charge of its NP-FM500H power pack. The power pack in the S1 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. If you would like to visualize and compare a different camera combination, just use the right or left arrows in the table to switch to the respective camera. Alternatively, you can also navigate to the CAM-parator app and make your selection from the full list of cameras there.

Camera Body Specifications
  Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
(CIPA)
Weather
Sealing
(yes/no)
Camera
Launch
(announced)
Launch
Price
(USD)
Street
Price
(USD)
Used
Price
(USD)
Camera
Model
 
Panasonic S1» 5.9 in 4.3 in 3.8 in 35.9 oz 400 Y Feb 2019 2,499 i i Panasonic S1
 
Sony A99« 5.8 in 4.4 in 3.1 in 28.6 oz 500 Y Sep 2012 2,799- i Sony A99
 
Leica SL« » 5.8 in 4.1 in 1.5 in 29.9 oz 400 Y Oct 2015 7,450 i i Leica SL
 
Nikon Z6« » 5.3 in 4.0 in 2.6 in 23.8 oz 310 Y Aug 2018 1,999 i i Nikon Z6
 
Nikon Z7« » 5.3 in 4.0 in 2.6 in 23.8 oz 330 Y Aug 2018 3,399 i i Nikon Z7
 
Nikon D600« » 5.6 in 4.4 in 3.2 in 30.0 oz 900 Y Sep 2012 2,099- i Nikon D600
 
Olympus E-M1X« » 5.7 in 5.8 in 3.0 in 35.2 oz 870 Y Jan 2019 2,999 i i Olympus E-M1X
 
Panasonic S1R« » 5.9 in 4.3 in 3.8 in 35.8 oz 380 Y Feb 2019 3,699 i i Panasonic S1R
 
Sony A7 III« » 5.0 in 3.8 in 2.9 in 22.9 oz 610 Y Feb 2018 1,999 i i Sony A7 III
 
Sony A99 II« » 5.6 in 4.1 in 3.0 in 29.9 oz 490 Y Sep 2016 3,199 i i Sony A99 II
 
Sony A7R II« » 5.0 in 3.8 in 2.4 in 22.0 oz 290 Y Jun 2015 3,199- i Sony A7R II
 
Sony A77« » 5.6 in 4.1 in 3.2 in 25.8 oz 470 Y Aug 2011 1,399- i Sony A77
 
Sony A850« » 6.1 in 4.6 in 3.2 in 31.6 oz 880 Y Aug 2009 1,999- i Sony A850
 
Sony A900« » 6.1 in 4.6 in 3.2 in 31.6 oz 880 Y Sep 2008 2,999- i Sony A900
Note: Measurements and pricing do not include easily detachable parts, such as interchangeable lenses or optional viewfinders.

The price is, of course, an important factor in any camera decision. 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 S1 was launched at a somewhat lower price (by 11 percent) than the A99, 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.

 

Sensor comparison: Panasonic S1 vs Sony A99

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 tend to have larger individual pixels that provide better low-light sensitivity, wider dynamic range, and richer color-depth than smaller pixel-units in a sensor of the same technological generation. Moreover, a large sensor camera will give the photographer more control over depth-of-field in the image and, thus, the ability to better isolate a subject from the background. On the downside, larger sensors tend to be associated with larger, more expensive camera bodies 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.

Panasonic S1 and Sony A99 sensor measures

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 S1), which gives it a potential advantage in terms of light gathering capacity. It should, however, be noted that the S1 is much more recent (by 6 years and 4 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. Coming back to sensor resolution, it should be mentioned that the S1 has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

Unlike the A99, the S1 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-S1 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.

S1 versus A99 MP

Consistent information on actual sensor performance is available from DXO Mark for many cameras. 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 S1 has a notably higher overall DXO score than the A99 (overall score 6 points higher), which gives it an advantage in terms of imaging quality. This advantage is based on 0.2 bits higher color depth, 0.5 EV in additional dynamic range, and 1.1 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.

Sensor Characteristics
  Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
Camera
Model
 
Panasonic S1» Full Frame 24.0 6000 40004K/60p25.214.5333395Panasonic S1
 
Sony A99« Full Frame 24.0 6000 40001080/60p25.014.0155589Sony A99
 
Leica SL« » Full Frame 24.0 6000 40004K/30p25.013.4182188Leica SL
 
Nikon Z6« » Full Frame 24.3 6048 40244K/30p25.314.3329995Nikon Z6
 
Nikon Z7« » Full Frame 45.4 8256 55044K/30p26.314.6266899Nikon Z7
 
Nikon D600« » Full Frame 24.2 6016 40161080/30p25.114.2298094Nikon D600
 
Olympus E-M1X« » Four Thirds 20.2 5184 38884K/30p----Olympus E-M1X
 
Panasonic S1R« » Full Frame 46.7 8368 55844K/60p26.414.13525100Panasonic S1R
 
Sony A7 III« » Full Frame 24.0 6000 40004K/30p25.014.7373096Sony A7 III
 
Sony A99 II« » Full Frame 42.2 7952 53044K/30p25.413.4231792Sony A99 II
 
Sony A7R II« » Full Frame 42.2 7952 53044K/30p26.013.9343498Sony A7R II
 
Sony A77« » APS-C 24.0 6000 40001080/60p24.013.280178Sony A77
 
Sony A850« » Full Frame 24.4 6048 4032-23.812.2141579Sony A850
 
Sony A900« » Full Frame 24.4 6048 4032-23.712.3143179Sony A900

Many modern cameras are not only capable of taking still images, but also of capturing video footage. The two cameras under consideration both have sensors whose read-out speed is fast enough to capture moving pictures, but the S1 provides a higher video resolution than the A99. It can shoot video footage at 4K/60p, while the Sony is limited to 1080/60p.

 

Feature comparison: Panasonic S1 vs Sony A99

Apart from 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 S1 offers a substantially higher resolution than the one in the A99 (5760k vs 2359k dots). The table below summarizes some of the other core capabilities of the Panasonic S1 and Sony A99 in connection with corresponding information for a sample of similar cameras.

Core Features
  Camera
Model
Viewfinder
(Type or
'000 dots)
Control
Panel
(yes/no)
LCD
Size
(inch)
LCD
Resolution
('000 dots)
LCD
Attach-
ment
Touch
Screen
(yes/no)
Mech
Shutter
Speed
Shutter
Flaps
(1/sec)
Built-in
Flash
(yes/no)
Built-in
Image
Stab
Camera
Model
 
Panasonic S1»5760 Y 3.2 2100 full-flex Y 1/8000s 9.0 n Y Panasonic S1
 
Sony A99«2359 Y 3.0 1229 full-flex n 1/8000s 6.0 n Y Sony A99
 
Leica SL« »4400 Y 3.0 1040 fixed Y 1/8000s 11.0 n n Leica SL
 
Nikon Z6« »3690 Y 3.2 2100 tilting Y 1/8000s 12.0 n Y Nikon Z6
 
Nikon Z7« »3690 Y 3.2 2100 tilting Y 1/8000s 9.0 n Y Nikon Z7
 
Nikon D600« »optical Y 3.0 921 fixed n 1/4000s 5.5 Y n Nikon D600
 
Olympus E-M1X« »2360 n 3.0 1037 swivel Y 1/8000s 18.0 n Y Olympus E-M1X
 
Panasonic S1R« »5760 Y 3.2 2100 full-flex Y 1/8000s 9.0 n Y Panasonic S1R
 
Sony A7 III« »2359 n 3.0 922 tilting Y 1/8000s 10.0 n Y Sony A7 III
 
Sony A99 II« »2400 Y 3.0 1229 full-flex n 1/8000s 12.0 n Y Sony A99 II
 
Sony A7R II« »2400 n 3.0 1229 tilting n 1/8000s 5.0 n Y Sony A7R II
 
Sony A77« »2359 Y 3.0 921 full-flex n 1/8000s 12.0 Y Y Sony A77
 
Sony A850« »optical Y 3.0 922 fixed n 1/8000s 3.0 n Y Sony A850
 
Sony A900« »optical Y 3.0 922 fixed n 1/8000s 5.0 n Y Sony A900

One differentiating feature between the two cameras concerns the touch sensitivity of the rear screen. The S1 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 S1 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 S1 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 S1 writes its imaging data to SDHC or XQD cards, while the A99 uses SDXC or Memory Stick PRO Duo cards. The S1 features dual card slots, which can be very useful in case a memory card fails. In contrast, the A99 only has one slot. The S1 supports UHS-II cards (on both slots), while the A99 can use UHS-I cards.

 

Connectivity comparison: Panasonic S1 vs Sony A99

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-S1 and Sony Alpha SLT-A99 and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

Input-Output Connections
  Camera
Model
Hotshoe
Port
Internal
Microphone
Internal
Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Type
WiFi
Support
NFC
Support
Bluetooth
Support
Camera
Model
 
Panasonic S1»YstereomonoYYfull3.1Y-YPanasonic S1
 
Sony A99«YstereomonoYYmini2.0---Sony A99
 
Leica SL« »YstereomonoYYfull3.0Y--Leica SL
 
Nikon Z6« »YstereomonoYYmicro3.1Y-YNikon Z6
 
Nikon Z7« »YstereomonoYYmicro3.1Y-YNikon Z7
 
Nikon D600« »YmonomonoYYmini2.0---Nikon D600
 
Olympus E-M1X« »YstereomonoYYmicro3.0Y-YOlympus E-M1X
 
Panasonic S1R« »YstereomonoYYfull3.1Y-YPanasonic S1R
 
Sony A7 III« »YstereomonoYYmicro3.1YYYSony A7 III
 
Sony A99 II« »YstereomonoYYmicro2.0YYYSony A99 II
 
Sony A7R II« »YstereomonoYYmicro2.0YY-Sony A7R II
 
Sony A77« »YstereomonoY-mini2.0---Sony A77
 
Sony A850« »Y----mini2.0---Sony A850
 
Sony A900« »Y----mini2.0---Sony A900

It is notable that the S1 offers wifi support, while the A99 does not. Wifi can be a very convenient means to transfer image data to an off-camera location.

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

The S1 is a recent model that features in the current product line-up of Panasonic. In contrast, the A99 has been discontinued (but it can be found pre-owned on eBay). As a replacement in the same line of cameras, the A99 was succeeded by the Sony A99 II. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Panasonic and Sony websites.


Review summary: Panasonic S1 vs Sony A99

So what is the bottom line? Which of the two cameras – the Panasonic S1 or the Sony A99 – has the upper hand? Is one clearly better than the other? The listing below highlights the relative strengths of the two models.

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Advantages of the Panasonic Lumix DC-S1:

  • 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: Scores markedly higher (6 points) in the DXO overall assessment.
  • Better low-light sensitivity: Requires less light for good images (1.1 stops ISO advantage).
  • Better video: Provides higher definition movie capture (4K/60p vs 1080/60p).
  • More detailed viewfinder: Has higher resolution electronic viewfinder (5760k vs 2359k dots).
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.78x vs 0.71x).
  • 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 (2100k vs 1229k dots).
  • Fewer buttons to press: Is equipped with a touch-sensitive rear screen to facilitate handling.
  • Faster burst: Shoots at higher frequency (9 vs 6 flaps/sec) to capture the decisive moment.
  • Less disturbing: Has an electronic shutter option for completely silent 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 (3.1 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 affordable: Was introduced into a lower priced segment (11 percent cheaper at launch).
  • More modern: Reflects 6 years and 4 months of technical progress since the A99 launch.

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Reasons to prefer the Sony Alpha SLT-A99:

  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
  • Less heavy: Has a lower weight (by 205g or 20 percent) and is thus easier to take along.
  • Longer lasting: Gets more shots (500 versus 400) out of a single battery charge.
  • More heavily discounted: Has been around for much longer (launched in September 2012).

If the number of relative strengths (bullet points above) is taken as a guide, the S1 is the clear winner of the match-up (21 : 5 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 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.

S1 21:05 A99

How about other alternatives? Do the specifications of the Panasonic S1 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 says little about, for example, the shooting experience and imaging performance of the S1 and the A99 in practical situations. 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: Panasonic S1 vs Sony A99

This is where reviews by experts come in. The adjacent summary-table relays the overall verdicts of several of the most popular camera review sites (cameralabs, dpreview, ephotozine, imaging-resource, and photographyblog). 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.

Review Scores
  Camera
Model
cameralabs dpreview ephotozine imaging-resource photographyblog Camera
Launch
(announced)
Launch
Price
(USD)
Street
Price
(USD)
Used
Price
(USD)
Camera
Model
 
Panasonic S1»+ +88/1004.5/5-4/5 Feb 2019 2,499 i i Panasonic S1
 
Sony A99«-84/1004.5/5o4.5/5 Sep 2012 2,799- i Sony A99
 
Leica SL« »-84/1004.5/54/54/5 Oct 2015 7,450 i i Leica SL
 
Nikon Z6« »--4.5/5-5/5 Aug 2018 1,999 i i Nikon Z6
 
Nikon Z7« »+89/1004.5/54.5/55/5 Aug 2018 3,399 i i Nikon Z7
 
Nikon D600« »+ +87/1005/54.5/54.5/5 Sep 2012 2,099- i Nikon D600
 
Olympus E-M1X« »o-4.5/5-- Jan 2019 2,999 i i Olympus E-M1X
 
Panasonic S1R« »--4.5/5-4.5/5 Feb 2019 3,699 i i Panasonic S1R
 
Sony A7 III« »+ +89/1005/55/55/5 Feb 2018 1,999 i i Sony A7 III
 
Sony A99 II« »-85/1004.5/54.5/54.5/5 Sep 2016 3,199 i i Sony A99 II
 
Sony A7R II« »+ +90/1005/54.5/55/5 Jun 2015 3,199- i Sony A7R II
 
Sony A77« »91/10081/100-4.5/55/5 Aug 2011 1,399- i Sony A77
 
Sony A850« »-75/100-4/54.5/5 Aug 2009 1,999- i Sony A850
 
Sony A900« »+ ++ +4.5/54/55/5 Sep 2008 2,999- i Sony A900
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (-) not available.

The above review scores should be interpreted with care, 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.

Panasonic S1:
Check Amazon price
Sony A99:
Check Ebay offers

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 S1 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 Specifications
    Camera Model Panasonic S1 Sony A99
    Camera Type Mirrorless system camera Digital single lens reflex
    Camera Lens Leica L mount lenses Sony A mount lenses
    Launch Date February 2019 September 2012
    Launch Price USD 2499 USD 2799
    Sensor Specs Panasonic S1 Sony A99
    Sensor Technology CMOS CMOS
    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
    Crop Factor 1.0x 1.0x
    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 no AA filter Anti-Alias filter
    Movie Capability 4K/60p Video 1080/60p Video
    ISO Setting 100-51200 ISO 100-25600 ISO
    ISO Boost 50-204800 ISO 50-25600 ISO
    Image Processor Venus BIONZ X
    DXO Sensor Quality (score) 95 89
    DXO Color Depth (bits) 25.2 25.0
    DXO Dynamic Range (EV) 14.5 14.0
    DXO Low Light (ISO) 3333 1555
    Screen Specs Panasonic S1 Sony A99
    Viewfinder Type Electronic viewfinder Electronic viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.78x 0.71x
    Viewfinder Resolution 5760k dots 2359k dots
    Top-Level Screen Control Panel Control Panel
    LCD Framing Live View Live View
    Rear LCD Size 3.2 inch 3.0 inch
    LCD Resolution 2100k dots 1229k dots
    LCD Attachment Fully flexible screen Fully flexible screen
    Touch Input Touchscreen no Touchscreen
    Shooting Specs Panasonic S1 Sony A99
    Autofocus System Contrast-detect AF Phase-detect AF
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/8000/s 1/8000/s
    Continuous Shooting 9 shutter flaps/s 6 shutter flaps/s
    Shutter Life Expectancy400 000 actuations200 000 actuations
    Electronic Shutterup to 1/8000sno E-Shutter
    Image StabilizationIn-body stabilizationIn-body stabilization
    Fill Flash no On-Board Flash no On-Board Flash
    Storage Medium SDXC or XQD cards MS or SDXC cards
    Second Storage Option Dual card slots Single card slot
    UHS card support Dual UHS-II UHS-I
    Connectivity Specs Panasonic S1 Sony A99
    External Flash Hotshoe Hotshoe
    Studio Flash PC Sync socket PC Sync socket
    USB Connector USB 3.1 USB 2.0
    HDMI Port full HDMI mini HDMI
    Microphone Port External MIC port External MIC port
    Headphone Socket Headphone port Headphone port
    Wifi Support Wifi built-in no Wifi
    Bluetooth Support Bluetooth built-in no Bluetooth
    Geotagging GPS built-in
    Body Specs Panasonic S1 Sony A99
    Environmental SealingWeathersealed bodyWeathersealed body
    Battery Type DMW-BLJ31 power pack NP-FM500H power pack
    Battery Life (CIPA)400 shots per charge500 shots per charge
    In-Camera Charging USB charging no USB charging
    Body Dimensions 149 x 110 x 97 mm
    (5.9 x 4.3 x 3.8 in)
    147 x 111 x 78 mm
    (5.8 x 4.4 x 3.1 in)
    Camera Weight 1017 g (35.9 oz) 812 g (28.6 oz)

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