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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 is a mirrorless interchangeable lens camera, while the ZS100 is a fixed lens compact. The cameras are based on a medium format (GFX) 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

An illustration of the physical size and weight of the Fujifilm GFX 50S and the Panasonic ZS100 is provided in the side-by-side display below. Three consecutive perspectives from the front, the top, and the back are presented. All width, height and depth measures are rounded to the nearest millimeter. You can also use the toggle button 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 – represents the basis or 100 percent across all the size and weight measures).

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

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 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 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 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 want to switch the focus of the display and review another camera pair, just select a new right or left comparator from among the camera models in the table. Alternatively, you can also move across to the CAM-parator tool and choose from the broad selection of possible camera comparisons there.

Camera Body Specifications
Camera Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
(CIPA)
Weather
Sealing
(y/n)
Camera
Launch
(year)
Launch
Price
(USD)
Street
Price
(amazon)
Used
Price
(ebay)
Fujifilm GFX 50S (⇒ rgt) 5.8 in 3.7 in 3.6 in 26.1 oz 400 YES 2016 6,499 latest check
Panasonic ZS100 (⇒ lft) 4.4 in 2.6 in 1.7 in 11.0 oz 300 no 2016 699discont. check
Canon 1D X Mark II (⇒ lft | rgt) 6.2 in 6.6 in 3.3 in 54.0 oz 1210 YES 2016 5,999 latest check
Canon 5DS R (⇒ lft | rgt) 6.0 in 4.6 in 3.0 in 32.8 oz 700 YES 2015 3,699 latest check
Canon 5DS (⇒ lft | rgt) 6.0 in 4.6 in 3.0 in 32.8 oz 700 YES 2015 3,699 latest check
Canon M3 (⇒ lft | rgt) 4.4 in 2.7 in 1.7 in 12.9 oz 250 no 2015 679discont. check
Canon G5 X (⇒ lft | rgt) 4.4 in 3.0 in 1.7 in 12.5 oz 210 no 2015 799 latest check
Fujifilm X-Pro2 (⇒ lft | rgt) 5.6 in 3.3 in 1.8 in 17.5 oz 350 YES 2016 1,699 latest check
Fujifilm X-T2 (⇒ lft | rgt) 5.2 in 3.6 in 1.9 in 17.9 oz 340 YES 2016 1,599 latest check
Hasselblad X1D (⇒ lft | rgt) 5.9 in 3.9 in 2.8 in 25.6 oz .. YES 2016 8,995 latest check
Leica M10 (⇒ lft | rgt) 5.5 in 3.1 in 1.5 in 23.3 oz 210 no 2017 6,595 latest check
Leica SL (⇒ lft | rgt) 5.8 in 4.1 in 1.5 in 29.9 oz 400 YES 2015 7,450 latest check
Nikon D850 (⇒ lft | rgt) 5.7 in 4.9 in 3.1 in 35.5 oz 1840 YES 2017 3,299 latest check
Nikon D5 (⇒ lft | rgt) 6.3 in 6.3 in 3.6 in 49.9 oz 3780 YES 2016 6,499 latest check
Panasonic ZS200 (⇒ lft | rgt) 4.4 in 2.6 in 1.8 in 12.0 oz 370 no 2018 799 latest check
Panasonic LX10 (⇒ lft | rgt) 4.2 in 2.4 in 1.7 in 10.9 oz 260 no 2016 699 latest check
Sony RX100 IV (⇒ lft | rgt) 4.0 in 2.3 in 1.6 in 10.5 oz 280 no 2015 999discont. check

The price is, of course, an important factor in any camera decision. The listed launch prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The ZS100 was launched at a lower price than the GFX, 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. Then, after the new model is out, very good deals can frequently be found on the pre-owned market.

Sensor comparison: Fujifilm GFX 50S vs Panasonic ZS100

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. 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 are more costly to manufacture and tend to lead to bigger and heavier cameras 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 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 offers a higher resolution than the ZS100 (20MP), but the GFX nevertheless has larger individual pixels (pixel pitch of 5.33μm versus 2.41μm for the ZS100) due to its larger sensor. Moreover, the GFX 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 has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

GFX versus ZS100 MP

For most cameras, data on sensor performance has been reported by DXO Mark. This service determines an overall sensor rating, as well as sub-scores for low-light sensitivity ("DXO Sports"), dynamic range ("DXO Landscape"), and color depth ("DXO Portrait"). The following table provides an overview of the physical sensor characteristics, as well as the sensor quality measurements for a selection of comparators.

Sensor Characteristics
Camera Sensor
Class
Resolution
(Megapixel)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
Fujifilm GFX 50S (⇒ rgt) MF 51.1 8256 6192 1080/30p .. .. .. ..
Panasonic ZS100 (⇒ lft) 1-inch 20.0 5472 3648 4K/30p 22.8 12.5 559 70
Canon 1D X Mark II (⇒ lft | rgt) Full Frame 20.0 5472 3648 4K/60p 24.1 13.5 3207 88
Canon 5DS R (⇒ lft | rgt) Full Frame 50.3 8688 5792 1080/60p 24.6 12.4 2308 86
Canon 5DS (⇒ lft | rgt) Full Frame 50.3 8688 5792 1080/60p 24.7 12.4 2381 87
Canon M3 (⇒ lft | rgt) APS-C 24.0 6000 4000 1080/30p 22.8 11.8 1169 72
Canon G5 X (⇒ lft | rgt) 1-inch 20.0 5472 3648 1080/60p - - - -
Fujifilm X-Pro2 (⇒ lft | rgt) APS-C 24.0 6000 4000 1080/60p - - - -
Fujifilm X-T2 (⇒ lft | rgt) APS-C 24.0 6000 4000 4K/30p - - - -
Hasselblad X1D (⇒ lft | rgt) Medium Format 51.3 8272 6200 1080/25p 26.2 14.8 4489 102
Leica M10 (⇒ lft | rgt) Full Frame 23.8 5952 3992 no 24.4 13.2 2133 86
Leica SL (⇒ lft | rgt) Full Frame 24.0 6000 4000 4K/30p 25.0 13.4 1821 88
Nikon D850 (⇒ lft | rgt) Full Frame 45.4 8256 5504 4K/30p 26.4 14.8 2660 100
Nikon D5 (⇒ lft | rgt) Full Frame 20.7 5588 3712 4K/30p 25.1 12.3 2343 88
Panasonic ZS200 (⇒ lft | rgt) 1-inch 20.0 5472 3648 4K/30p .. .. .. ..
Panasonic LX10 (⇒ lft | rgt) 1-inch 20.0 5472 3648 4K/30p .. .. .. ..
Sony RX100 IV (⇒ lft | rgt) 1-inch 20.0 5472 3648 4K/30p 22.8 12.6 591 70

Many modern cameras cannot only take still pictures, but also record videos. Both cameras under consideration have a sensor with sufficiently fast read-out times for moving pictures, but the ZS100 provides a better video resolution than the GFX. It can shoot movie footage at 4K/30p, while the Fujifilm is limited to 1080/30p.

Feature comparison: Fujifilm GFX 50S vs Panasonic ZS100

Beyond 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 relies on live view and the rear LCD for framing. 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 needed, the dpreview camera hub, for example, contains further detail on the cameras' specs.

Core Features
Camera Viewfinder
(Type or
'000 dots)
Control
Panel
(Y/n)
LCD
Size
(inch)
LCD
Resolution
('000 dots)
LCD
Attach-
ment
Touch
Screen
(Y/n)
Shutter
speed
(1/sec)
Shutter
flaps
(1/sec))
Build-in
Flash
(GN)
Build-in
Image
Stab
Fujifilm GFX 50S (⇒ rgt) no YES 3.2 2360 tilting YES 4000 3.0 no no
Panasonic ZS100 (⇒ lft) 1166 no 3.0 1040 fixed YES 2000 10.0 YES YES
Canon 1D X Mark II (⇒ lft | rgt) optical YES 3.2 1620 fixed YES 8000 16.0 no no
Canon 5DS R (⇒ lft | rgt) optical YES 3.2 1040 fixed no 8000 5.0 no no
Canon 5DS (⇒ lft | rgt) optical YES 3.2 1040 fixed no 8000 5.0 no no
Canon M3 (⇒ lft | rgt) no no 3.0 1040 tilting YES 4000 4.2 5 no
Canon G5 X (⇒ lft | rgt) 2360 no 3.0 1040 swivel YES 2000 5.9 7 YES
Fujifilm X-Pro2 (⇒ lft | rgt) 2360 no 3.0 1620 fixed no 8000 8.0 no no
Fujifilm X-T2 (⇒ lft | rgt) 2360 no 3.0 1040 tilting no 8000 14.0 no no
Hasselblad X1D (⇒ lft | rgt) 2360 no 3.0 920 fixed YES 2000 2.3 no no
Leica M10 (⇒ lft | rgt) optical no 3.0 1037 fixed no 4000 5.0 no no
Leica SL (⇒ lft | rgt) 4400 YES 3.0 1040 fixed YES 8000 11.0 no no
Nikon D850 (⇒ lft | rgt) optical YES 3.2 2359 tilting YES 8000 9.0 no no
Nikon D5 (⇒ lft | rgt) optical YES 3.2 2359 fixed YES 8000 14.0 no no
Panasonic ZS200 (⇒ lft | rgt) 2330 no 3.0 1240 fixed YES 2000 10.0 6.8 YES
Panasonic LX10 (⇒ lft | rgt) no no 3.0 1040 tilting YES 4000 10.0 12.1 YES
Sony RX100 IV (⇒ lft | rgt) 2359 no 3.0 1228 tilting no 2000 16.0 10.2 YES

The GFX 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 what conclusions can be drawn? Is the Fujifilm GFX 50S better than the Panasonic ZS100 or vice versa? Below is a summary of the relative strengths of each of the two contestants.


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Advantages of 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.
  • 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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Reasons to prefer 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.
  • Ready to shoot: Has an integrated lens, whereas the GFX 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).
  • 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 comes out slightly ahead of the ZS100 (12 : 11 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 12:11 ZS100

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 handling experience and imaging performance when actually working with the GFX or the ZS100. User reviews that are available, for instance, at amazon can sometimes shed light on these issues, but such feedback is all too often partial, inconsistent, and inaccurate. This is why expert reviews are important. The adjacent table relays the overall verdicts of several of the most popular camera review sites (cameralabs, dpreview, ephotozine, imaging-resource, photographyblog). The full reviews are available by clicking on the site logo in the table header.

Review scores
Camera cameralabs dpreview ephotozine imaging-resource photographyblog Camera
Launch
(year)
Launch
Price
(USD)
Street
Price
(amazon)
Used
Price
(ebay)
Fujifilm GFX 50S (⇒ rgt) - 85/100 Gold 5/5 5/5 4.5/5 2016 6,499 latest check
Panasonic ZS100 (⇒ lft) HiRec 82/100 Gold 4.5/5 4/5 4.5/5 2016 699discont. check
Canon 1D X Mark II (⇒ lft | rgt) - 89/100 Gold 4.5/5 5/5 4.5/5 2016 5,999 latest check
Canon 5DS R (⇒ lft | rgt) Rec 83/100 Silver 5/5 5/5 4.5/5 2015 3,699 latest check
Canon 5DS (⇒ lft | rgt) Rec 83/100 Silver 4.5/5 5/5 4.5/5 2015 3,699 latest check
Canon M3 (⇒ lft | rgt) reviewed 75/100 4.5/5 4.5/5 4/5 2015 679discont. check
Canon G5 X (⇒ lft | rgt) HiRec 78/100 Silver 4.5/5 4/5 4.5/5 2015 799 latest check
Fujifilm X-Pro2 (⇒ lft | rgt) Rec 83/100 Silver 4.5/5 4.5/5 4.5/5 2016 1,699 latest check
Fujifilm X-T2 (⇒ lft | rgt) HiRec 86/100 Gold 4.5/5 5/5 5/5 2016 1,599 latest check
Hasselblad X1D (⇒ lft | rgt) reviewed - - - 4/5 2016 8,995 latest check
Leica M10 (⇒ lft | rgt) - - 4/5 - 4.5/5 2017 6,595 latest check
Leica SL (⇒ lft | rgt) - 84/100 4.5/5 4/5 4/5 2015 7,450 latest check
Nikon D850 (⇒ lft | rgt) HiRec 89/100 Gold 4.5/5 5/5 5/5 2017 3,299 latest check
Nikon D5 (⇒ lft | rgt) - 89/100 Gold 4.5/5 5/5 5/5 2016 6,499 latest check
Panasonic ZS200 (⇒ lft | rgt) HiRec 81/100 Silver 4.5/5 .. 4.5/5 2018 799 latest check
Panasonic LX10 (⇒ lft | rgt) HiRec 81/100 Silver 4/5 4.5/5 4.5/5 2016 699 latest check
Sony RX100 IV (⇒ lft | rgt) HiRec 85/100 Gold 4/5 4.5/5 4.5/5 2015 999discont. check

Care should be taken when interpreting the review scores above, 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, 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? 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. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting. If you cannot find the camera you are interested in, kindly get in touch, and I will try to locate and add the respective data to the application.

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