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Fujifilm GFX 50S versus Panasonic ZS100

The Fujifilm GFX 50S and the Panasonic Lumix DMC-ZS100 (labelled Panasonic TZ100 in some countries) are two digital cameras that were announced, respectively, in September 2016 and January 2016. The GFX 50S is a mirrorless interchangeable lens camera, while the ZS100 is a fixed lens compact. The cameras are based on a medium format (GFX 50S) and an one-inch (ZS100) sensor. The Fujifilm has a resolution of 51.1 megapixel, whereas the Panasonic provides 20 MP. Read on to find out how these two cameras compare with respect to their size, their sensors, their features, and their reception by expert reviewers.

Body comparison: Fujifilm GFX 50S vs Panasonic ZS100

The side-by-side display below illustrates the physical size and weight of the Fujifilm GFX 50S and the Panasonic ZS100. The two cameras are presented according to their relative size. Three successive views from the front, the top, and the rear are shown. All size dimensions are rounded to the nearest millimeter. You can also toggle the display to switch to a percentage comparison if you prefer that the measures are being expressed in relative terms (in this case, the camera on the left – the GFX 50S – represents the basis or 100 percent across all the size and weight measures).

Compare Fujifilm GFX 50S vs Panasonic ZS100
Compare GFX 50S versus ZS100 top
Compare GFX 50S and ZS100 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Panasonic ZS100 is considerably smaller (48 percent) than the Fujifilm GFX 50S. It is worth mentioning in this context that the GFX 50S is splash and dust resistant, while the ZS100 does not feature any corresponding weather-sealing.

The above size and weight comparisons are to some extent incomplete and possibly misleading, as the ZS100 has a lens build in, whereas the GFX 50S is an interchangeable lens camera that requires a separate lens. Attaching the latter will add extra weight and bulk to the setup.

Concerning battery life, the GFX 50S gets 400 shots out of its NP-T125 battery, while the ZS100 can take 300 images on a single charge of its DMW-BLG10 power pack.

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
Fujifilm GFX 50S» 5.8 in 3.7 in 3.6 in 26.1 oz 400 Y Sep 2016 6,499 i i Fujifilm GFX 50S
Panasonic ZS100« 4.4 in 2.6 in 1.7 in 11.0 oz 300 n Jan 2016 699- i Panasonic ZS100
Canon 1D X Mark II« » 6.2 in 6.6 in 3.3 in 54.0 oz 1210 Y Feb 2016 5,999 i i Canon 1D X Mark II
Canon 5DS R« » 6.0 in 4.6 in 3.0 in 32.8 oz 700 Y Feb 2015 3,699 i i Canon 5DS R
Canon 5DS« » 6.0 in 4.6 in 3.0 in 32.8 oz 700 Y Feb 2015 3,699 i i Canon 5DS
Canon M3« » 4.4 in 2.7 in 1.7 in 12.9 oz 250 n Feb 2015 679- i Canon M3
Canon G5 X« » 4.4 in 3.0 in 1.7 in 12.5 oz 210 n Oct 2015 799 i i Canon G5 X
Fujifilm X-Pro2« » 5.6 in 3.3 in 1.8 in 17.5 oz 350 Y Jan 2016 1,699 i i Fujifilm X-Pro2
Fujifilm X-T2« » 5.2 in 3.6 in 1.9 in 17.9 oz 340 Y Jul 2016 1,599 i i Fujifilm X-T2
Hasselblad X1D« » 5.9 in 3.9 in 2.8 in 25.6 oz .. Y Jun 2016 8,995 i i Hasselblad X1D
Leica M10« » 5.5 in 3.1 in 1.5 in 23.3 oz 210 n Jan 2017 6,595 i i Leica M10
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 D850« » 5.7 in 4.9 in 3.1 in 35.5 oz 1840 Y Jul 2017 3,299 i i Nikon D850
Nikon D5« » 6.3 in 6.3 in 3.6 in 49.9 oz 3780 Y Jan 2016 6,499 i i Nikon D5
Panasonic ZS200« » 4.4 in 2.6 in 1.8 in 12.0 oz 370 n Feb 2018 799 i i Panasonic ZS200
Panasonic LX10« » 4.2 in 2.4 in 1.7 in 10.9 oz 260 n Sep 2016 699 i i Panasonic LX10
Sony RX100 IV« » 4.0 in 2.3 in 1.6 in 10.5 oz 280 n Jun 2015 999- i Sony RX100 IV

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 ZS100 was launched at a lower price than the GFX 50S, despite having a lens build in. 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: Fujifilm GFX 50S vs Panasonic ZS100

The size of the sensor inside a digital camera is one of the key determinants 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. Furthermore, a large sensor camera will give the photographer more possibilities to use shallow depth-of-field in order to isolate a subject from the background. On the downside, larger sensors tend to be associated with larger, more expensive camera bodies and lenses.

Of the two cameras under consideration, the Fujifilm GFX 50S features a medium format sensor and the Panasonic ZS100 an one-inch sensor. The sensor area in the ZS100 is 92 percent smaller. As a result of these sensor size differences, the cameras have a format factor of, respectively, 0.79 and 2.7. The sensor in the GFX 50S has a native 4:3 aspect ratio, while the one in the ZS100 offers a 3:2 aspect.

Fujifilm GFX 50S and Panasonic ZS100 sensor measures

With 51.1MP, the GFX 50S offers a higher resolution than the ZS100 (20MP), but the GFX 50S nevertheless has larger individual pixels (pixel pitch of 5.33μm versus 2.41μm for the ZS100) due to its larger sensor. Moreover, the GFX 50S is a somewhat more recent model (by 8 months) than the ZS100, and its sensor might have benefitted from technological advances during this time that further enhance the light gathering capacity of its pixels. Coming back to sensor resolution, it should be mentioned that the GFX 50S has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

GFX 50S versus ZS100 MP

For many cameras, data on sensor performance has been reported by DXO Mark. 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.

Sensor Characteristics
  Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
Camera
Model
Fujifilm GFX 50S» MF 51.1 8256 61921080/30p----Fujifilm GFX 50S
Panasonic ZS100« 1-inch 20.0 5472 36484K/30p22.812.555970Panasonic ZS100
Canon 1D X Mark II« » Full Frame 20.0 5472 36484K/60p24.113.5320788Canon 1D X Mark II
Canon 5DS R« » Full Frame 50.3 8688 57921080/60p24.612.4230886Canon 5DS R
Canon 5DS« » Full Frame 50.3 8688 57921080/60p24.712.4238187Canon 5DS
Canon M3« » APS-C 24.0 6000 40001080/30p22.811.8116972Canon M3
Canon G5 X« » 1-inch 20.0 5472 36481080/60p----Canon G5 X
Fujifilm X-Pro2« » APS-C 24.0 6000 40001080/60p----Fujifilm X-Pro2
Fujifilm X-T2« » APS-C 24.0 6000 40004K/30p----Fujifilm X-T2
Hasselblad X1D« » Medium Format 51.3 8272 62001080/25p26.214.84489102Hasselblad X1D
Leica M10« » Full Frame 23.8 5952 3992-24.413.2213386Leica M10
Leica SL« » Full Frame 24.0 6000 40004K/30p25.013.4182188Leica SL
Nikon D850« » Full Frame 45.4 8256 55044K/30p26.414.82660100Nikon D850
Nikon D5« » Full Frame 20.7 5588 37124K/30p25.112.3234388Nikon D5
Panasonic ZS200« » 1-inch 20.0 5472 36484K/30p----Panasonic ZS200
Panasonic LX10« » 1-inch 20.0 5472 36484K/30p----Panasonic LX10
Sony RX100 IV« » 1-inch 20.0 5472 36484K/30p22.812.659170Sony RX100 IV

Many modern cameras are not only capable of taking still images, but also of capturing video footage. Both cameras under consideration are equipped with sensors that have a sufficiently high read-out speed for moving images, but the ZS100 provides a better video resolution than the GFX 50S. It can shoot movie footage at 4K/30p, while the Fujifilm is limited to 1080/30p.

 

Feature comparison: Fujifilm GFX 50S vs Panasonic ZS100

Apart from body and sensor, cameras can and do differ across a range of features. For example, the ZS100 has an electronic viewfinder (1166k dots), which can be very helpful when shooting in bright sunlight. In contrast, the GFX 50S relies on live view and the rear LCD for framing. That said, the GFX 50S can be equipped with an optional viewfinder – the EVF-TL1. The table below summarizes some of the other core capabilities of the Fujifilm GFX 50S and Panasonic ZS100 in connection with corresponding information for a sample of similar cameras. If you need more detail on the specs, you can find comprehensive listings, for example, in the dpreview camera hub.

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)
Shutter
speed
(1/sec)
Shutter
flaps
(1/sec))
Build-in
Flash
(yes/no)
Build-in
Image
Stab
Camera
Model
Fujifilm GFX 50S»- Y 3.2 2360 tilting Y 4000 3.0 n n Fujifilm GFX 50S
Panasonic ZS100«1166 n 3.0 1040 fixed Y 2000 10.0 Y Y Panasonic ZS100
Canon 1D X Mark II« »optical Y 3.2 1620 fixed Y 8000 16.0 n n Canon 1D X Mark II
Canon 5DS R« »optical Y 3.2 1040 fixed n 8000 5.0 n n Canon 5DS R
Canon 5DS« »optical Y 3.2 1040 fixed n 8000 5.0 n n Canon 5DS
Canon M3« »- n 3.0 1040 tilting Y 4000 4.2 Y n Canon M3
Canon G5 X« »2360 n 3.0 1040 swivel Y 2000 5.9 Y Y Canon G5 X
Fujifilm X-Pro2« »2360 n 3.0 1620 fixed n 8000 8.0 n n Fujifilm X-Pro2
Fujifilm X-T2« »2360 n 3.0 1040 tilting n 8000 14.0 n n Fujifilm X-T2
Hasselblad X1D« »2360 n 3.0 920 fixed Y 2000 2.3 n n Hasselblad X1D
Leica M10« »optical n 3.0 1037 fixed n 4000 5.0 n n Leica M10
Leica SL« »4400 Y 3.0 1040 fixed Y 8000 11.0 n n Leica SL
Nikon D850« »optical Y 3.2 2359 tilting Y 8000 9.0 n n Nikon D850
Nikon D5« »optical Y 3.2 2359 fixed Y 8000 14.0 n n Nikon D5
Panasonic ZS200« »2330 n 3.0 1240 fixed Y 2000 10.0 Y Y Panasonic ZS200
Panasonic LX10« »- n 3.0 1040 tilting Y 4000 10.0 Y Y Panasonic LX10
Sony RX100 IV« »2359 n 3.0 1228 tilting n 2000 16.0 Y Y Sony RX100 IV

The reported shutter speed and shutter burst refer to the use of the mechanical shutter. In addition, the ZS100 features an electronic shutter, which makes silent shooting and higher burst speeds possible. However, this mode is less suitable for photographing moving objects (rolling shutter) or shooting under artificial light sources (flickering).

The GFX 50S is a current model that online retailers, such as amazon, will have in stock. In contrast, the ZS100 has been discontinued (but it can be found pre-owned on eBay). As a replacement in the same line of cameras, the ZS100 was succeeded by the Panasonic ZS200.

Review summary: Fujifilm GFX 50S vs Panasonic ZS100

So how do things add up? Is there a clear favorite between the Fujifilm GFX 50S and the Panasonic ZS100? Below is a summary of the relative strengths of each of the two contestants.

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Reasons to prefer the Fujifilm GFX 50S:

  • More detail: Offers more megapixels (51.1 vs 20MP) with a 57% higher linear resolution.
  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • Better image quality: Features a larger and more technologically advanced imaging sensor.
  • More framing options: Can be equipped with a hotshoe-mounted accessory-viewfinder.
  • Easier setting verification: Has an LCD display on top to control shooting parameters.
  • 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 (2360k vs 1040k dots).
  • More flexible LCD: Has a tilting screen for odd-angle shots in landscape orientation.
  • Faster shutter: Has higher mechanical shutter speed (4000/sec vs 2000/sec) to freeze action.
  • More flexible: Accepts interchangeable lenses, so that lens characteristics can be altered.
  • Longer lasting: Can take more shots (400 versus 300) on a single battery charge.
  • Better sealing: Is weather sealed to enable shooting in dusty or wet environments.
  • More modern: Is somewhat more recent (announced 8 months after the ZS100).

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Advantages of the Panasonic Lumix DMC-ZS100:

  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • Better video: Provides higher definition movie capture (4K/30p vs 1080/30p).
  • Easier framing: Has an electronic viewfinder for image framing and settings control.
  • Faster burst: Shoots at higher frequency (10 vs 3 flaps/sec) to capture the decisive moment.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • Ready to shoot: Has an integrated lens, whereas the GFX 50S necessitates an extra lens.
  • More compact: Is smaller (111x65mm vs 148x94mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight even though it has a lens build in (unlike the GFX 50S).
  • Easier fill-in: Has a small integrated flash to brighten shadows of backlit subjects.
  • Sharper images: Has stabilization technology build-in to reduce the impact of hand-shake.
  • More affordable: Was introduced at a lower price, despite coming with a build-in lens.
  • More heavily discounted: Has been on the market for longer (launched in January 2016).

If the count of relative strengths (bullet points above) is taken as a measure, the GFX 50S comes out slightly ahead of the ZS100 (13 : 12 points). However, the pertinence of the various camera strengths will differ across photographers, so that you might want to weigh individual camera traits according to their importance for your own imaging needs before making a camera decision.

GFX 50S 13:12 ZS100

In any case, while the specs-based evaluation of cameras is instructive in revealing their potential as photographic tools, it remains partial and cannot reveal, for example, the handling experience and imaging performance when actually working with the GFX 50S or the ZS100. 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. This is where reviews by experts come in. The adjacent table relays the overall verdicts of several of the most popular camera review sites (cameralabs, dpreview, ephotozine, imaging-resource, photographyblog). You can find the full text of the reviews by clicking on the site logo in the table header.

Review Scores
  Camera
Model
cameralabs dpreview ephotozine imaging-resource photographyblog Camera
Launch
(announced)
Launch
Price
(USD)
Street
Price
(USD)
Used
Price
(USD)
Camera
Model
Fujifilm GFX 50S»-85/1005/55/54.5/5 Sep 2016 6,499 i i Fujifilm GFX 50S
Panasonic ZS100«HiRec82/1004.5/54/54.5/5 Jan 2016 699- i Panasonic ZS100
Canon 1D X Mark II« »-89/1004.5/55/54.5/5 Feb 2016 5,999 i i Canon 1D X Mark II
Canon 5DS R« »Rec83/1005/55/54.5/5 Feb 2015 3,699 i i Canon 5DS R
Canon 5DS« »Rec83/1004.5/55/54.5/5 Feb 2015 3,699 i i Canon 5DS
Canon M3« »rev75/1004.5/54.5/54/5 Feb 2015 679- i Canon M3
Canon G5 X« »HiRec78/1004.5/54/54.5/5 Oct 2015 799 i i Canon G5 X
Fujifilm X-Pro2« »Rec83/1004.5/54.5/54.5/5 Jan 2016 1,699 i i Fujifilm X-Pro2
Fujifilm X-T2« »HiRec86/1004.5/55/55/5 Jul 2016 1,599 i i Fujifilm X-T2
Hasselblad X1D« »rev81/100--4/5 Jun 2016 8,995 i i Hasselblad X1D
Leica M10« »--4/5-4.5/5 Jan 2017 6,595 i i Leica M10
Leica SL« »-84/1004.5/54/54/5 Oct 2015 7,450 i i Leica SL
Nikon D850« »HiRec89/1004.5/55/55/5 Jul 2017 3,299 i i Nikon D850
Nikon D5« »-89/1004.5/55/55/5 Jan 2016 6,499 i i Nikon D5
Panasonic ZS200« »HiRec81/1004.5/5-4.5/5 Feb 2018 799 i i Panasonic ZS200
Panasonic LX10« »HiRec81/1004/54.5/54.5/5 Sep 2016 699 i i Panasonic LX10
Sony RX100 IV« »HiRec85/1004/54.5/54.5/5 Jun 2015 999- i Sony RX100 IV

The review scores listed above should be treated 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. There is also a set of direct links to comparison reviews that other users of the CAM-parator app explored. If you do not see the camera that you are looking for, kindly get in touch, and I will try to update the database with the necessary infos.

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