Panasonic GM1 vs Sony A7S II
The Panasonic Lumix DMC-GM1 and the Sony Alpha 7S II are two digital cameras that were officially introduced, respectively, in October 2013 and September 2015. Both the GM1 and the A7S II are mirrorless interchangeable lens cameras that are based on a Four Thirds (GM1) and a full frame (A7S II) sensor. The Panasonic has a resolution of 15.8 megapixels, whereas the Sony provides 12 MP.
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 Panasonic Lumix DMC-GM1 and the Sony Alpha 7S 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.
An illustration of the physical size and weight of the Panasonic GM1 and the Sony A7S 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 width, height and depth dimensions are rounded to the nearest millimeter.
The GM1 can be obtained in three different colors (black, silver, red), while the A7S II is only available in black.
If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony A7S II is considerably larger (124 percent) than the Panasonic GM1. Moreover, the A7S II is substantially heavier (207 percent) than the GM1. It is noteworthy in this context that the A7S II is splash and dust-proof, while the GM1 does not feature any corresponding weather-sealing.
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. A larger imaging sensor will tend to go along with bigger and heavier lenses, although exceptions exist. You can compare the optics available for the two cameras in the Micro Four Thirds Lens Catalog (GM1) and the Sony FE Lens Catalog (A7S II). Mirrorless cameras, such as the two under consideration, have the additional advantage of having a short flange to focal plane distance, which makes it possible to mount many lenses from other systems onto the camera via adapters.
Concerning battery life, the GM1 gets 230 shots out of its DMW-BLH7 battery, while the A7S II can take 370 images on a single charge of its NP-FW50 power pack. The power pack in the A7S II can be charged via the USB port, which can be very convenient when travelling.
The following table provides a synthesis of the main physical specifications of the two cameras and other similar ones. 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.
|1.||Panasonic GM1||99 mm||55 mm||30 mm||204 g||230||n||Oct 2013||749|
|2.||Sony A7S II||127 mm||96 mm||60 mm||627 g||370||Y||Sep 2015||2,999|
|3.||Canon G1 X Mark II||116 mm||74 mm||66 mm||553 g||240||n||Feb 2014||799|
|4.||Olympus E-M10||119 mm||82 mm||46 mm||396 g||320||n||Jan 2014||699|
|5.||Panasonic G7||125 mm||86 mm||77 mm||410 g||350||n||May 2015||649|
|6.||Panasonic FZ1000||137 mm||99 mm||131 mm||831 g||360||n||Jun 2014||899|
|7.||Panasonic GH4||133 mm||93 mm||84 mm||560 g||500||Y||Feb 2014||1,499|
|8.||Panasonic GM5||99 mm||60 mm||36 mm||211 g||220||n||Sep 2014||749|
|9.||Panasonic G6||122 mm||85 mm||71 mm||390 g||340||n||Apr 2013||599|
|10.||Panasonic GX1||116 mm||68 mm||39 mm||318 g||320||n||Nov 2011||699|
|11.||Panasonic GH2||124 mm||90 mm||76 mm||442 g||330||n||Sep 2010||899|
|12.||Ricoh GR||117 mm||61 mm||35 mm||245 g||290||n||Apr 2013||799|
|13.||Sony A7S III||127 mm||97 mm||81 mm||699 g||600||Y||Jul 2020||3,499|
|14.||Sony A7R III||127 mm||96 mm||74 mm||650 g||650||Y||Oct 2017||3,199|
|15.||Sony A7R II||127 mm||96 mm||60 mm||625 g||290||Y||Jun 2015||3,199|
|16.||Sony A7 II||127 mm||96 mm||60 mm||599 g||350||Y||Nov 2014||1,999|
|17.||Sony A7S||127 mm||94 mm||48 mm||489 g||380||Y||Apr 2014||2,499|
|Notes: 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 GM1 was launched at a markedly lower price (by 75 percent) than the A7S 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.
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. 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 more expensive and lead to bigger and heavier cameras and lenses.
Of the two cameras under consideration, the Panasonic GM1 features a Four Thirds sensor and the Sony A7S II a full frame sensor. The sensor area in the A7S II is 276 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 GM1 has a native 4:3 aspect ratio, while the one in the A7S II offers a 3:2 aspect.
In terms of underlying technology, both cameras are build around CMOS sensors.
Despite having a smaller sensor, the Panasonic GM1 offers a higher resolution of 15.8 megapixels, compared with 12 MP of the Sony A7S II. This megapixels advantage comes at the cost of a higher pixel density and a smaller size of the individual pixel (with a pixel pitch of 3.77μm versus 8.40μm for the A7S II). Moreover, it should be noted that the A7S II is a somewhat more recent model (by 1 year and 10 months) than the GM1, and its sensor might have benefitted from technological advances during this time that further enhance the light gathering capacity of its pixel-units.
The resolution advantage of the Panasonic GM1 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the GM1 for good quality output (200 dots per inch) amounts to 23 x 17.2 inches or 58.3 x 43.8 cm, for very good quality (250 dpi) 18.4 x 13.8 inches or 46.7 x 35 cm, and for excellent quality (300 dpi) 15.3 x 11.5 inches or 38.9 x 29.2 cm. The corresponding values for the Sony A7S II are 21.2 x 14.2 inches or 53.8 x 36 cm for good quality, 17 x 11.3 inches or 43.1 x 28.8 cm for very good quality, and 14.1 x 9.4 inches or 35.9 x 24 cm for excellent quality prints.
The Panasonic Lumix DMC-GM1 has a native sensitivity range from ISO 200 to ISO 25600, which can be extended to ISO 125-25600. The corresponding ISO settings for the Sony Alpha 7S II are ISO 100 to ISO 102400, with the possibility to increase the ISO range to 50-409600.
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 consideration, the A7S II offers substantially better image quality than the GM1 (overall score 19 points higher). The advantage is based on 1.3 bits higher color depth, 1.6 EV in additional dynamic range, and 2.2 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.
|1.||Panasonic GM1||Four Thirds||15.8||4592||3448||1080/60i||22.3||11.7||660||66|
|2.||Sony A7S II||Full Frame||12.0||4240||2832||4K/30p||23.6||13.3||2993||85|
|3.||Canon G1 X Mark II||1.5-inch||13.0||4160||3120||1080/30p||21.5||10.8||581||58|
|4.||Olympus E-M10||Four Thirds||15.9||4608||3456||1080/30p||22.8||12.3||884||72|
|5.||Panasonic G7||Four Thirds||15.8||4592||3448||4K/30p||..||..||..||..|
|7.||Panasonic GH4||Four Thirds||15.9||4608||3456||4K/30p||23.2||12.8||791||74|
|8.||Panasonic GM5||Four Thirds||15.8||4592||3448||1080/60p||22.1||11.7||721||66|
|9.||Panasonic G6||Four Thirds||15.9||4608||3456||1080/60p||21.3||11.5||639||61|
|10.||Panasonic GX1||Four Thirds||15.8||4592||3448||1080/60p||20.8||10.6||703||55|
|11.||Panasonic GH2||Four Thirds||15.9||4608||3456||1080/60i||21.2||11.3||655||60|
|13.||Sony A7S III||Full Frame||12.0||4240||2832||4K/120p||23.7||13.9||2520||86|
|14.||Sony A7R III||Full Frame||42.2||7952||5304||4K/30p||26.0||14.7||3523||100|
|15.||Sony A7R II||Full Frame||42.2||7952||5304||4K/30p||26.0||13.9||3434||98|
|16.||Sony A7 II||Full Frame||24.0||6000||4000||1080/60p||24.9||13.6||2449||90|
|17.||Sony A7S||Full Frame||12.0||4240||2832||1080/60p||23.9||13.2||3702||87|
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 A7S II provides a better video resolution than the GM1. It can shoot movie footage at 4K/30p, while the Panasonic is limited to 1080/60i.
Apart from body and sensor, cameras can and do differ across a range of features. For example, the A7S II has an electronic viewfinder (2400k dots), which can be very helpful when shooting in bright sunlight. In contrast, the GM1 relies on live view and the rear LCD for framing. The adjacent table lists some of the other core features of the Panasonic GM1 and Sony A7S II along with similar information for a selection of comparators.
|1.||Panasonic GM1||none||n||3.0 / 1036||fixed||Y||1/500s||5.0||Y||n|
|2.||Sony A7S II||2400||n||3.0 / 1229||tilting||n||1/8000s||5.0||n||Y|
|3.||Canon G1 X Mark II||optional||n||3.0 / 1040||tilting||Y||1/4000s||5.2||Y||Y|
|4.||Olympus E-M10||1440||n||3.0 / 1037||tilting||Y||1/4000s||8.0||Y||Y|
|5.||Panasonic G7||2360||n||3.0 / 1040||swivel||Y||1/4000s||7.0||Y||n|
|6.||Panasonic FZ1000||2359||n||3.0 / 921||swivel||n||1/4000s||12.0||Y||Y|
|7.||Panasonic GH4||2359||n||3.0 / 1036||swivel||Y||1/8000s||12.0||Y||n|
|8.||Panasonic GM5||1166||n||3.0 / 921||fixed||Y||1/500s||5.8||n||n|
|9.||Panasonic G6||1440||n||3.0 / 1036||swivel||Y||1/4000s||7.0||Y||n|
|10.||Panasonic GX1||optional||n||3.0 / 460||fixed||Y||1/4000s||4.2||Y||n|
|11.||Panasonic GH2||1534||n||3.0 / 460||swivel||n||1/4000s||3.0||Y||n|
|12.||Ricoh GR||optional||n||3.0 / 1230||fixed||n||1/4000s||4.0||Y||n|
|13.||Sony A7S III||9440||n||3.0 / 1440||swivel||Y||1/8000s||10.0||n||Y|
|14.||Sony A7R III||3686||n||3.0 / 1440||tilting||Y||1/8000s||10.0||n||Y|
|15.||Sony A7R II||2400||n||3.0 / 1229||tilting||n||1/8000s||5.0||n||Y|
|16.||Sony A7 II||2400||n||3.0 / 1230||tilting||n||1/8000s||5.0||n||Y|
|17.||Sony A7S||2400||n||3.0 / 921||tilting||n||1/8000s||5.0||n||n|
One difference between the cameras concerns the presence of an on-board flash. The GM1 has one, while the A7S II does not. While the built-in flash of the GM1 is not very powerful, it can at times be useful as a fill-in light.
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, both cameras under consideration feature an 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 GM1 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 GM1 writes its imaging data to SDXC cards, while the A7S II uses SDXC or Memory Stick PRO Duo cards. Both cameras can use UHS-I cards, which provide for Ultra High Speed data transfer of up to 104 MB/s.
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 DMC-GM1 and Sony Alpha 7S II and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.
Mic / Speaker
|1.||Panasonic GM1||-||stereo / mono||-||-||micro||2.0||Y||-||-|
|2.||Sony A7S II||Y||stereo / mono||Y||Y||micro||2.0||Y||Y||-|
|3.||Canon G1 X Mark II||Y||stereo / mono||-||-||mini||2.0||Y||Y||-|
|4.||Olympus E-M10||Y||stereo / mono||-||-||micro||2.0||Y||-||-|
|5.||Panasonic G7||Y||stereo / mono||Y||-||micro||2.0||Y||-||-|
|6.||Panasonic FZ1000||Y||stereo / mono||Y||-||micro||2.0||Y||Y||-|
|7.||Panasonic GH4||Y||stereo / mono||Y||Y||micro||2.0||Y||Y||-|
|8.||Panasonic GM5||Y||stereo / mono||-||-||micro||2.0||Y||-||-|
|9.||Panasonic G6||Y||stereo / mono||Y||-||mini||2.0||Y||Y||-|
|10.||Panasonic GX1||Y||stereo / mono||-||-||mini||2.0||-||-||-|
|11.||Panasonic GH2||Y||stereo / mono||Y||-||mini||2.0||-||-||-|
|12.||Ricoh GR||Y||mono / mono||-||-||micro||2.0||-||-||-|
|13.||Sony A7S III||Y||stereo / mono||Y||Y||full||3.2||Y||-||Y|
|14.||Sony A7R III||Y||stereo / mono||Y||Y||micro||3.1||Y||Y||Y|
|15.||Sony A7R II||Y||stereo / mono||Y||Y||micro||2.0||Y||Y||-|
|16.||Sony A7 II||Y||stereo / mono||Y||Y||micro||2.0||Y||Y||-|
|17.||Sony A7S||Y||stereo / mono||Y||Y||micro||2.0||Y||Y||-|
It is notable that the A7S II has a headphone jack, which makes it possible to attach external headphones and monitor the quality of sound during the recording process. The GM1 lacks such a headphone port.
Both the GM1 and the A7S II have been discontinued, but can regularly be found used on eBay. The GM1 was replaced by the Panasonic GM5, while the A7S II was followed by the Sony A7S III. 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.
So what is the bottom line? Which of the two cameras – the Panasonic GM1 or the Sony A7S II – has the upper hand? Is one clearly better than the other? The listing below highlights the relative strengths of the two models.
Advantages of the Panasonic Lumix DMC-GM1:
- More detail: Offers more megapixels (15.8 vs 12MP) with a 13% higher linear resolution.
- Fewer buttons to press: Is equipped with a touch-sensitive rear screen to facilitate handling.
- Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
- More compact: Is smaller (99x55mm vs 127x96mm) and thus needs less room in the bag.
- Less heavy: Is lighter (by 423g or 67 percent) and hence easier to carry around.
- Easier fill-in: Is equipped with a small onboard flash to brighten deep shadow areas.
- More affordable: Was introduced into a lower priced category (75 percent cheaper at launch).
- More heavily discounted: Has been on the market for longer (launched in October 2013).
Arguments in favor of the Sony Alpha 7S II:
- Better image quality: Scores substantially higher (19 points) in the DXO overall evaluation.
- Richer colors: Generates noticeably more natural colors (1.3 bits more color depth).
- More dynamic range: Captures a broader range of light and dark details (1.6 EV of extra DR).
- Better low-light sensitivity: Can shoot in dim conditions (2.2 stops ISO advantage).
- Better video: Provides higher definition movie capture (4K/30p vs 1080/60i).
- Better sound: Can connect to an external microphone for higher quality sound recording.
- Better sound control: Has a headphone port that enables audio monitoring while recording.
- Easier framing: Has an electronic viewfinder for image composition and settings control.
- More detailed LCD: Has a higher resolution rear screen (1229k vs 1036k dots).
- More flexible LCD: Has a tilting screen for odd-angle shots in landscape orientation.
- Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/500s) to freeze action.
- Longer lasting: Gets more shots (370 versus 230) out of a single battery charge.
- Easier travel charging: Can be conveniently charged via its USB port.
- Better sealing: Is splash and dust sealed for shooting in inclement weather conditions.
- Sharper images: Has stabilization technology built-in to reduce the impact of hand-shake.
- Better lighting: Features a hotshoe and can thus hold and trigger an external flash gun.
- Easier device pairing: Supports NFC for fast wireless image transfer over short distances.
- More modern: Was introduced somewhat (1 year and 10 months) more recently.
If the count of relative strengths (bullet points above) is taken as a measure, the A7S II is the clear winner of the contest (18 : 8 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 Panasonic GM1 and the Sony A7S II place the cameras among the top in their class? Find out in the latest Best Mirrorless Interchangeable Lens 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 remains partial and cannot reveal, for example, the shooting experience and imaging performance when actually working with the GM1 or the A7S II. User reviews, such as those found at amazon, can sometimes inform about these issues, but such feedback is often incomplete, inconsistent, and biased.
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.
|1.||Panasonic GM1||3/5||+||..||78/100||5/5||4.5/5||Oct 2013||749|
|2.||Sony A7S II||5/5||+||..||..||4.5/5||5/5||Sep 2015||2,999|
|3.||Canon G1 X Mark II||3/5||+||..||77/100||4/5||4.5/5||Feb 2014||799|
|4.||Olympus E-M10||4/5||..||..||80/100||5/5||5/5||Jan 2014||699|
|5.||Panasonic G7||4/5||+ +||..||80/100||5/5||4.5/5||May 2015||649|
|6.||Panasonic FZ1000||4/5||+ +||..||82/100||4.5/5||4.5/5||Jun 2014||899|
|7.||Panasonic GH4||5/5||+ +||..||85/100||5/5||5/5||Feb 2014||1,499|
|8.||Panasonic GM5||3.5/5||+||..||77/100||5/5||4.5/5||Sep 2014||749|
|9.||Panasonic G6||4/5||+ +||..||..||5/5||4.5/5||Apr 2013||599|
|10.||Panasonic GX1||3/5||+||..||77/100||4.5/5||4.5/5||Nov 2011||699|
|11.||Panasonic GH2||5/5||+ +||..||79/100||4.5/5||5/5||Sep 2010||899|
|12.||Ricoh GR||5/5||..||..||79/100||4.5/5||4.5/5||Apr 2013||799|
|13.||Sony A7S III||..||+ +||5/5||91/100||4.5/5||5/5||Jul 2020||3,499|
|14.||Sony A7R III||..||+ +||4/5||90/100||4.5/5||5/5||Oct 2017||3,199|
|15.||Sony A7R II||5/5||+ +||5/5||90/100||5/5||5/5||Jun 2015||3,199|
|16.||Sony A7 II||5/5||+||4/5||82/100||4.5/5||5/5||Nov 2014||1,999|
|17.||Sony A7S||4/5||..||..||86/100||4.5/5||5/5||Apr 2014||2,499|
|Notes: (+ +) 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. Hence, a score should always be seen in the context of the camera's market launch date and its price, and comparing ratings of very distinct cameras or ones that are far apart in terms of their release date have little meaning. Also, please note that some of the review sites have changed their methodology and reporting over time.
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.
- Canon 400D vs Panasonic GM1
- Canon 5D Mark III vs Panasonic GM1
- Nikon D1H vs Sony A7S II
- Nikon D2H vs Sony A7S II
- Nikon D850 vs Sony A7S II
- Panasonic GM1 vs Panasonic TZ90
- Panasonic GM1 vs Sony A7R II
- Panasonic GM1 vs Sony A7R III
- Panasonic TZ200 vs Sony A7S II
- Sony A6600 vs Sony A7S II
- Sony A7R vs Sony A7S II
Specifications: Panasonic GM1 vs Sony A7S 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||Panasonic GM1||Sony A7S II|
|Camera Type||Mirrorless system camera||Mirrorless system camera|
|Camera Lens||Micro Four Thirds lenses||Sony E mount lenses|
|Launch Date||October 2013||September 2015|
|Launch Price||USD 749||USD 2,999|
|Sensor Specs||Panasonic GM1||Sony A7S II|
|Sensor Format||Four Thirds Sensor||Full Frame Sensor|
|Sensor Size||17.3 x 13.0 mm||35.6 x 23.8 mm|
|Sensor Area||224.9 mm2||847.28 mm2|
|Sensor Diagonal||21.6 mm||42.8 mm|
|Sensor Resolution||15.8 Megapixels||12 Megapixels|
|Image Resolution||4592 x 3448 pixels||4240 x 2832 pixels|
|Pixel Pitch||3.77 μm||8.40 μm|
|Pixel Density||7.04 MP/cm2||1.42 MP/cm2|
|Moiré control||Anti-Alias filter||Anti-Alias filter|
|Movie Capability||1080/60i Video||4K/30p Video|
|ISO Setting||200 - 25,600 ISO||100 - 102,400 ISO|
|ISO Boost||125 - 25,600 ISO||50 - 409,600 ISO|
|Image Processor||Venus IX||BIONZ X|
|DXO Sensor Quality (score)||66||85|
|DXO Color Depth (bits)||22.3||23.6|
|DXO Dynamic Range (EV)||11.7||13.3|
|DXO Low Light (ISO)||660||2993|
|Screen Specs||Panasonic GM1||Sony A7S II|
|Viewfinder Type||no viewfinder||Electronic viewfinder|
|Viewfinder Field of View||100%|
|Viewfinder Resolution||2400k dots|
|LCD Framing||Live View||Live View|
|Rear LCD Size||3.0inch||3.0inch|
|LCD Resolution||1036k dots||1229k dots|
|LCD Attachment||Fixed screen||Tilting screen|
|Touch Input||Touchscreen||no Touchscreen|
|Shooting Specs||Panasonic GM1||Sony A7S II|
|Focus System||Contrast-detect AF||Contrast-detect AF|
|Manual Focusing Aid||Focus Peaking||Focus Peaking|
|Max Shutter Speed (mechanical)||1/500s||1/8000s|
|Continuous Shooting||5 shutter flaps/s||5 shutter flaps/s|
|Electronic Shutter||up to 1/16000s||YES|
|Time-Lapse Photography||Intervalometer built-in||no Intervalometer|
|Image Stabilization||Lens stabilization only||In-body stabilization|
|Fill Flash||Built-in Flash||no On-Board Flash|
|Storage Medium||SDXC cards||MS or SDXC cards|
|Second Storage Option||Single card slot||Single card slot|
|UHS card support||UHS-I||UHS-I|
|Connectivity Specs||Panasonic GM1||Sony A7S II|
|External Flash||no Hotshoe||Hotshoe|
|USB Connector||USB 2.0||USB 2.0|
|HDMI Port||micro HDMI||micro HDMI|
|Microphone Port||no MIC socket||External MIC port|
|Headphone Socket||no Headphone port||Headphone port|
|Wifi Support||Wifi built-in||Wifi built-in|
|Near-Field Communication||no NFC||NFC built-in|
|Body Specs||Panasonic GM1||Sony A7S II|
|Environmental Sealing||not weather sealed||Weathersealed body|
|Battery Life (CIPA)||230 shots per charge||370 shots per charge|
|In-Camera Charging||no USB charging||USB charging|
99 x 55 x 30 mm
(3.9 x 2.2 x 1.2 in)
127 x 96 x 60 mm
(5.0 x 3.8 x 2.4 in)
|Camera Weight||204 g (7.2 oz)||627 g (22.1 oz)|
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