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Fujifilm GFX 100S

Medium format AF digital mirrorless camera

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Specification

■ Production details
Announced:January 2021
System:● Fujifilm G (2017)
■ Imaging plane
Maximum format:Medium format 44x33
Mount and Flange focal distance:Fujifilm G [26.7mm]
Imaging plane:43.8 × 32.9mm CMOS sensor
Resolution:11648 × 8736 - 102 MP
■ Shutter
Type:Focal-plane
Model:Electronically controlled
Speeds:3600 - 1/4000 + B
Sensor-shift image stabilization:Yes
■ Exposure
Exposure metering:Through-the-lens (TTL), open-aperture
Exposure modes:Programmed Auto
Aperture-priority Auto
Shutter-priority Auto
Manual
■ Physical characteristics
Weight:819g
Dimensions:150x104.2x87.2mm

Manufacturer description

Valhalla, N.Y., January 27, 2021 - FUJIFILM North America Corporation is pleased to announce the release of FUJIFILM GFX100S digital camera (GFX100S), the fourth large format mirrorless camera in Fujifilm’s GFX System.

“Fujifilm has taken the groundbreaking ideas that lead to the development of FUJIFILM GFX100 and now combined them with an approach rooted in portability, to create GFX100S -- a camera that provides photographers and filmmakers with an unbelievable opportunity to take large format image-making to places it has never been before,” said Victor Ha, senior director of marketing and product development for FUJIFILM North America Corporation, Electronic Imaging Division.

Refusing to sacrifice performance for portability, Fujifilm has developed one of the most compact, high-performance, large format cameras in the world. GFX100S is more advanced than any GFX System camera to date and combines the best of Fujifilm’s imaging technology into a camera that weighs just 1.9lb (900g). Similar in size to most full-frame cameras, but beautifully engineered and designed with a 102MP sensor - 1.7 times larger*1 than a full-frame sensor - GFX100S also offers up to 6-stops*2 of five-axis in-body image stabilization (IBIS), incredibly fast and accurate autofocus, and world- renowned color reproduction to help image makers push the limits of their creativity.

Main features

102MP Images - Made with the Speed of a Compact Mirrorless Camera

Powered by Fujifilm’s high-performance quad-core X-Processor 4 CPU, GFX100S utilizes its 102MP, back-illuminated large format CMOS sensor to deliver images with stunning quality. Compared to smaller, lower-resolution sensors commonly found in traditional full-frame DSLR and mirrorless cameras, GFX100S’s imaging sensor is approximately 1.7 times larger and is enhanced to be incredibly sensitive to light. This provides it with a significant advantage over smaller sensors when it comes to producing images with incredibly shallow depth of field, fantastic dynamic range, faithful color reproduction, and outstanding, high-ISO performance.

With a choice of 19 exclusive FUJIFILM Film Simulation modes, it is easy to achieve fantastic color straight out of camera. GFX100S includes a new Film Simulation mode to explore -- Nostalgic Neg. Reminiscent of American New Color Photography, which emerged in the 1970s, Nostalgic Neg continues this movement by enabling image makers to explore the boundaries of photographic creativity through the deliberate use of color. “This Film Simulation mode adds an amber tone to highlights for a uniquely soft look and boosts saturation to shadows, while still preserving details, to deliver images that feel both familiar and unfamiliar all at the same time,” said Ha.

High-Performance Mirrorless AF Made for Large Format, Even in Low Light

On-sensor phase detection pixels cover almost 100% of GFX100S’s imaging sensor, unlocking a level of autofocus performance never before seen in large format digital photography. GFX100S can acquire focus in as little as 0.16 seconds, even in luminance levels as low as -5.5EV*3 making it versatile, accurate, and incredibly fast. Powered by X-Processor 4, the camera is also easily able to efficiently make use of an updated focus tracking algorithm to keep subjects in focus when using the Tracking AF and Face/Eye AF functions.

Compact, 5-axis In-Body Stabilization (IBIS) delivering up to 6-stops of Vibration Reduction

GFX100S features a newly designed IBIS system, which dramatically expands the capability of photographers to confidently create handheld images. Compared to the unit found in FUJIFILM GFX100, the IBIS mechanism inside of GFX100S is 20% smaller and 10% lighter. However, despite this reduction in size, the five-axis system provides 6-stops of CIPA-rated image stabilization, a 0.5-stop improvement over GFX100.

High-performance; Designed for Portability and the Elements

Measuring 5.9in. wide, 4.09in. tall, and3.4in. deep(15cmx10.4cmx8.7cm), GFX100S’ compact body is comparable in size to many full-frame cameras. However, despite its compact size, it is still able to pack in a high-performance IBIS and a 102MP imaging sensor that is almost twice the physical size of a typical full-frame sensor. GFX100S features a redesigned shutter unit and a brand new IBIS unit, while taking advantage of a uniquely small, but very efficient lithium-ion battery. This results in a camera body that is approximately 2.3in (6cm) shorter and 1.1lb (500g) lighter than GFX100, but is able to maintain the same level of still image and video performance. To that end, the reduction in GFX100S’s physical size is well balanced by a highly robust grip, with a comfortable in-hand feel that makes it exceptionally easy to hold for extended periods of time.

GFX100S is made to operate in temperatures as low as 14°F (-10°C) and to also be dust- and moisture-resistant. It is constructed with a magnesium alloy casing that is purposely 1mm denser around the lens mount as compared to GFX100, which provides added support for larger G Mount lenses.

Intuitive Controls for a Familiar Experience

GFX100S features controls that will be familiar to GFX System photographers. For example, a PASM dial, with six programmable custom options, provides quick and direct access to frequently used settings, while a switch, conveniently located next to the mode dial, lets users quickly change between still and movie mode. An ergonomic update to the Focus Lever also makes choosing a focus point both easy and fluid.

The camera features a 3.2in. LCD monitor on the rear and a 1.8 in. sub LCD monitor on its top plate, which can be customized to show key EXIF settings - like shutter speed, aperture, ISO sensitivity and exposure compensation - and set to display the status of key functions or available capacity on storage media. The 3.2 in., touch-capable LCD display is a 2.36-million-dot monitor with 100% coverage that can be tilted in three directions (90° up, 45° down, and 60° right).

A Large Format system delivering smooth, 4K/30P video

With its large format imaging sensor, GFX100S is capable of recording incredibly cinematic 4K/30p movies that feature incredible shallow depth-of-field, impressive high-ISO performance, wide tonal gradation, and an overall image quality that is unmatched. Footage can be recorded at bit rates of up to 400Mbps in 10-bit 4:2:0 F-log internally saved to an SD card, or output to an external recording device via the camera’s HDMI port in either10-bit 4:2:2 F-Log or 12-bit RAW.

In addition to being able to record 4K footage in a 16:9 aspect ratio, GFX100S also supports a 17:9 aspect ratio, frequently used in digital cinema. The most commonly used compression codecs, like H.264 and H.265 are also available. Additionally, professional standards, like REC.2100 supported Hybrid Log Gamma (HLG), or F-Log can be selected for complete creative control. Compared to using commonly available compression codecs, like H.264, recording footage in F-Log or HLG gives filmmakers much more flexibility in post-production as footage is brought through the editing and color grading process and adjustments are made to luminance, color saturation, or any other image attribute.

When using an Atomos Ninja V Monitor Recorder, GFX100S is also capable of outputting 4K/30P footage through its HDMI port that can also be saved as a 12-bit Apple ProRes RAW file. This allows for maximum flexibility in post- production when it comes to the color-grading process. Simultaneous output of RAW footage and footage in F-Log or Hybrid Log Gamma (HLG) with a Film Simulation mode applied is also possible.

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35mm full frame

43.27 24 36
  • Dimensions: 36 × 24mm
  • Aspect ratio: 3:2
  • Diagonal: 43.27mm
  • Area: 864mm2

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Image stabilizer

A technology used for reducing or even eliminating the effects of camera shake. Gyro sensors inside the lens detect camera shake and pass the data to a microcomputer. Then an image stabilization group of elements controlled by the microcomputer moves inside the lens and compensates camera shake in order to keep the image static on the imaging sensor or film.

The technology allows to increase the shutter speed by several stops and shoot handheld in such lighting conditions and at such focal lengths where without image stabilizer you have to use tripod, decrease the shutter speed and/or increase the ISO setting which can lead to blurry and noisy images.

Original name

Lens name as indicated on the lens barrel (usually on the front ring). With lenses from film era, may vary slightly from batch to batch.

Format

Format refers to the shape and size of film or image sensor.

35mm is the common name of the 36x24mm film format or image sensor format. It has an aspect ratio of 3:2, and a diagonal measurement of approximately 43mm. The name originates with the total width of the 135 film which was the primary medium of the format prior to the invention of the full frame digital SLR. Historically the 35mm format was sometimes called small format to distinguish it from the medium and large formats.

APS-C is an image sensor format approximately equivalent in size to the film negatives of 25.1x16.7mm with an aspect ratio of 3:2.

Medium format is a film format or image sensor format larger than 36x24mm (35mm) but smaller than 4x5in (large format).

Angle of view

Angle of view describes the angular extent of a given scene that is imaged by a camera. It is used interchangeably with the more general term field of view.

As the focal length changes, the angle of view also changes. The shorter the focal length (eg 18mm), the wider the angle of view. Conversely, the longer the focal length (eg 55mm), the smaller the angle of view.

A camera's angle of view depends not only on the lens, but also on the sensor. Imaging sensors are sometimes smaller than 35mm film frame, and this causes the lens to have a narrower angle of view than with 35mm film, by a certain factor for each sensor (called the crop factor).

This website does not use the angles of view provided by lens manufacturers, but calculates them automatically by the following formula: 114.6 * arctan (21.622 / CF * FL),

where:

CF – crop-factor of a sensor,
FL – focal length of a lens.

Mount

A lens mount is an interface — mechanical and often also electrical — between a camera body and a lens.

A lens mount may be a screw-threaded type, a bayonet-type, or a breech-lock type. Modern camera lens mounts are of the bayonet type, because the bayonet mechanism precisely aligns mechanical and electrical features between lens and body, unlike screw-threaded mounts.

Lens mounts of competing manufacturers (Canon, Nikon, Pentax, Sony etc.) are always incompatible. In addition to the mechanical and electrical interface variations, the flange focal distance can also be different.

The flange focal distance (FFD) is the distance from the mechanical rear end surface of the lens mount to the focal plane.

Lens construction

Lens construction – a specific arrangement of elements and groups that make up the optical design, including type and size of elements, type of used materials etc.

Element - an individual piece of glass which makes up one component of a photographic lens. Photographic lenses are nearly always built up of multiple such elements.

Group – a cemented together pieces of glass which form a single unit or an individual piece of glass. The advantage is that there is no glass-air surfaces between cemented together pieces of glass, which reduces reflections.

Focal length

The focal length is the factor that determines the size of the image reproduced on the focal plane, picture angle which covers the area of the subject to be photographed, depth of field, etc.

Speed

The largest opening or stop at which a lens can be used is referred to as the speed of the lens. The larger the maximum aperture is, the faster the lens is considered to be. Lenses that offer a large maximum aperture are commonly referred to as fast lenses, and lenses with smaller maximum aperture are regarded as slow.

In low-light situations, having a wider maximum aperture means that you can shoot at a faster shutter speed or work at a lower ISO, or both.

Closest focusing distance

The minimum distance from the focal plane (film or sensor) to the subject where the lens is still able to focus.

Closest working distance

The distance from the front edge of the lens to the subject at the maximum magnification.

Magnification ratio

Determines how large the subject will appear in the final image. For example, a magnification ratio of 1:1 means that the image of the subject formed on the film or sensor will be the same size as the subject in real life. For this reason, a 1:1 ratio is often called "life-size".

Manual focus override in autofocus mode

Allows to perform final focusing manually after the camera has locked the focus automatically. Note that you don't have to switch camera and/or lens to manual focus mode.

Manual focus override in autofocus mode

Allows to perform final focusing manually after the camera has locked the focus automatically. Note that you don't have to switch camera and/or lens to manual focus mode.

Electronic manual focus override is performed in the following way: half-press the shutter button, wait until the camera has finished the autofocusing and then focus manually without releasing the shutter button using the focusing ring.

Manual diaphragm

The diaphragm must be stopped down manually by rotating the detent aperture ring.

Preset diaphragm

The lens has two rings, one is for pre-setting, while the other is for normal diaphragm adjustment. The first ring must be set at the desired aperture, the second ring then should be fully opened for focusing, and turned back for stop down to the pre-set value.

Semi-automatic diaphragm

The lens features spring mechanism in the diaphragm, triggered by the shutter release, which stops down the diaphragm to the pre-set value. The spring needs to be reset manually after each exposure to re-open diaphragm to its maximum value.

Automatic diaphragm

The camera automatically closes the diaphragm down during the shutter operation. On completion of the exposure, the diaphragm re-opens to its maximum value.

Fixed diaphragm

The aperture setting is fixed at F/ on this lens, and cannot be adjusted.

Number of blades

As a general rule, the more blades that are used to create the aperture opening in the lens, the rounder the out-of-focus highlights will be.

Some lenses are designed with curved diaphragm blades, so the roundness of the aperture comes not from the number of blades, but from their shape. However, the fewer blades the diaphragm has, the more difficult it is to form a circle, regardless of rounded edges.

At maximum aperture, the opening will be circular regardless of the number of blades.

Weight

Excluding case or pouch, caps and other detachable accessories (lens hood, close-up adapter, tripod adapter etc.).

Maximum diameter x Length

Excluding case or pouch, caps and other detachable accessories (lens hood, close-up adapter, tripod adapter etc.).

For lenses with collapsible design, the length is indicated for the working (retracted) state.

Weather sealing

A rubber material which is inserted in between each externally exposed part (manual focus and zoom rings, buttons, switch panels etc.) to ensure it is properly sealed against dust and moisture.

Lenses that accept front mounted filters typically do not have gaskets behind the filter mount. It is recommended to use a filter for complete weather resistance when desired.

Fluorine coating

Helps keep lenses clean by reducing the possibility of dust and dirt adhering to the lens and by facilitating cleaning should the need arise. Applied to the outer surface of the front and/or rear lens elements over multi-coatings.

Filters

Lens filters are accessories that can protect lenses from dirt and damage, enhance colors, minimize glare and reflections, and add creative effects to images.

Lens hood

A lens hood or lens shade is a device used on the end of a lens to block the sun or other light source in order to prevent glare and lens flare. Flare occurs when stray light strikes the front element of a lens and then bounces around within the lens. This stray light often comes from very bright light sources, such as the sun, bright studio lights, or a bright white background.

The geometry of the lens hood can vary from a plain cylindrical or conical section to a more complex shape, sometimes called a petal, tulip, or flower hood. This allows the lens hood to block stray light with the higher portions of the lens hood, while allowing more light into the corners of the image through the lowered portions of the hood.

Lens hoods are more prominent in long focus lenses because they have a smaller viewing angle than that of wide-angle lenses. For wide angle lenses, the length of the hood cannot be as long as those for telephoto lenses, as a longer hood would enter the wider field of view of the lens.

Lens hoods are often designed to fit onto the matching lens facing either forward, for normal use, or backwards, so that the hood may be stored with the lens without occupying much additional space. In addition, lens hoods can offer some degree of physical protection for the lens due to the hood extending farther than the lens itself.

Teleconverters

Teleconverters increase the effective focal length of lenses. They also usually maintain the closest focusing distance of lenses, thus increasing the magnification significantly. A lens combined with a teleconverter is normally smaller, lighter and cheaper than a "direct" telephoto lens of the same focal length and speed.

Teleconverters are a convenient way of enhancing telephoto capability, but it comes at a cost − reduced maximum aperture. Also, since teleconverters magnify every detail in the image, they logically also magnify residual aberrations of the lens.

Lens caps

Scratched lens surfaces can spoil the definition and contrast of even the finest lenses. Lens covers are the best and most inexpensive protection available against dust, moisture and abrasion. Safeguard lens elements - both front and rear - whenever the lens is not in use.