Fujifilm GFX 100 specs and characters: 102 megapixel medium format camera

ByLinky Johnson 2019-05-23 1682

At a press conference in Japan, Fujifilm has just officially announced its 100-megapixel medium-format camera (photointernally reported), already announced at Photokina 2018, including technical details, price and planned launch date. The camera complements the GFX 50S (2017, announced to Photokina in 2016) and GFX 50R (2018) models.

Fujifilm GFX 100

The GFX100 has an image sensor with a resolution of 102 Mpx and the dimensions 43.8mm x 32.9mm. The camera can be used with different crop modes (sections with different aspect ratios) or a section in 35mm format.

The camera is the first medium format camera to offer integrated image stabilization (IBIS) via a movable sensor. It uses two rechargeable batteries for a total of around 800 shots and can also be operated and charged via its USB-C connection with an external power source (mains or power bank). It comes with Wi-Fi in the fast standard IEEE802.11ac 5GHz.

Main features of the Fujifilm GFX100:

▪ 102 megapixel sensor with a 55 mm large format diagonal

▪ X Processor 4

▪ Sensor-based image stabilization IBIS

▪ Fast and precise autofocus system

▪ Electronic viewfinder with 5.76 million pixels

▪ Foldable 8.1 cm (3.2 inch) 2.36 million pixel touchscreen LCD

▪ Two additional displays for displaying recording information

▪ Professional video recording in 4K/30p (incl. F-Log)

▪ Wi-Fi connectivity and smartphone remote control

▪ Film simulation modes (incl. ETERNA)

▪ Flash shoe for external flash (Fujifilm TTL)

Fujifilm GFX100 with 102 Megapixel Sensor and Integrated Image Stabilizer

Professional image quality and unparalleled detail sharpness - with the GFX100 mirrorless system camera, Fujifilm takes professional photography to a new technical level. Equipped with a 102-megapixel sensor with a large-format diagonal of 55 mm and a 5-axis image stabilizer, the new top model of the GFX series provides demanding users with outstanding photo and video quality.

The GFX100 measures 156.2 × 163.6 × 102.9 millimetres (WxHxD) and weighs only 1,400 grams with two batteries, memory card and electronic viewfinder.

The GFX100 is the world's first mirrorless system camera to feature a high-resolution BSI sensor with a large-format diagonal of 55 mm and integrated phase detection pixels. Compared to previous GFX Series models, the autofocus speed has doubled*1 and there is a precise continuous autofocus with AF tracking of moving subjects.

Another world first is the 5-axis image stabilization system (IBIS) integrated into the housing, which allows longer shutter speeds up to 5.5 EV levels (CIPA_standard measurement). This means that ultra-high-resolution images can now also be captured by the user's own hand. In addition, the GFX 50S and GFX 50R offer more advanced video functions than the GFX 50S and GFX 50R. For the first time in this camera class, moving images can be captured in 4K/30p resolution (10 bit 4:2:2).

102 megapixel sensor with a large-format diagonal of 55 mm

The new sensor, which was specially developed for the GFX100 and offers an effective resolution of 102 megapixels, measures 55 millimeters in the diagonal (43.8 × 32.9 mm). It is thus 1.7 times larger than a sensor in 35mm format ("35mm full format"). In combination with the X-processor 4, a particularly high image quality is achieved.

GFX100 design

The sensor has 3.76 million phase detection pixels distributed over almost the entire sensor surface. They enable fast and precise focusing regardless of the position of the main subject in the image. This allows a very dynamic working, as it was not possible with a high-resolution digital camera with such a large sensor before.

The sensor is backlit (Back Side Illuminated). This allows the surface of the sensor to absorb more light, which has a positive effect on the noise behaviour despite the high number of pixels. In addition, the GFX100's sensor offers a large dynamic range and fast signal processing.

Sensor-based 5-axis image stabilization

In principle, the very high sensor resolution also increases the risk of blurring. To minimise this risk, Fujifilm has developed a new 5-axis image stabilisation system (IBIS) for the 102 megapixel sensor, which allows longer exposure times of up to 5.5 f-stops according to CIPA standard measurement.

The shutter unit is spring-loaded. This effectively minimizes the vibrations that occur when the shutter is released.

The GFX100's stabilization system sets new standards in high-resolution digital photography. In a variety of situations that previously required the use of a tripod, the GFX100 now also allows the user to take photographs from his own hand.

4K/30p Cinema Quality Video

The combination of the new image sensor and the powerful X-processor 4 makes it possible for the first time with a Fujifilm digital camera equipped with such a large sensor to record high-resolution moving images in 4K/30p format (10 bit 4:2:2 external and 10 bit 4:2:0 internal). In the standard 17:9 format, the camera uses a 43.8 × 23.19 mm (49.56 mm diagonal) sensor cutout. This recording format is larger than that of many current high-end cinema cameras, making it possible for the GFX100 to capture high-quality moving images with low depth of field, large dynamic range and high ISO sensitivity. The videos are characterized by their atmospheric authenticity and captivate with a great wealth of detail as well as plastic effect.

The GFX100 processes the high-resolution data supplied by the image sensor on the basis of oversampling and renders the images with a resolution of approximately 50.5 megapixels. It supports the highly efficient H.265/HEVC codec as well as the standards "F-Log" for a gamma curve with large dynamic range and "Hybrid Log Gamma (HLG)" for easy creation of HDR images. The GFX100 is also the first camera in the GFX series to feature the cinematic film simulation "Eterna" for an expressive cinematic look.

Splash-proof and dust-proof magnesium housing

The housing size of the GFX100 is comparable to the top models of professional 35 mm DSLR cameras. Despite its 1.7 times larger sensor, it measures only 156.2 × 163.6 × 102.9 millimeters (width × height × depth) and weighs only 1,400 grams with two batteries, memory card and electronic viewfinder.

In order to exploit the full potential of the 102 megapixel sensor, the core of the camera (consisting of bayonet, image stabilizer and image sensor) has been decoupled from the camera body as far as possible.

Integrated portrait handle

The GFX100 is Fujifilm's first mirrorless system camera with a built-in portrait handle. This allowed the housing to be flatter overall despite the integrated image stabilizer and the two battery slots. This allows a more comfortable grip position.

Diverse information displays

The GFX100 is equipped with two additional information displays: On the top is a 4.6 cm (1.8 inch) large LC display (shoulder display), and on the back below the large monitor a further 5.2 cm (2.05 inch) large info display. They show various shooting data and camera settings or the histogram. The display of the information on all displays (viewfinder, monitor, upper or rear info display) can be configured individually. In this way, essential shooting information is always visible, including tethered shooting shots and unusual camera positions that make it impossible to use the viewfinder or monitor.

Advanced operating concept

For users who appreciate the analog dials of previous GFX models, the GFX100 offers a display option that allows virtually large dials to appear on the shoulder display. These can then be operated via the front and rear steering wheels.

The number of buttons and knobs has been reduced to a minimum to make the camera as easy to use as possible. The mode dial is located on the top to the left of the viewfinder, making it easy for the user to quickly switch between photo, video and continuous shooting modes. Specific camera settings (exposure, white balance, film simulation, etc.) can be saved for each mode, so that all relevant parameters are available when changing modes with only one setting.

High-resolution electronic viewfinder and touchscreen monitor

Like the GFX 50S, the GFX100 has a detachable electronic viewfinder that can be swivelled up in combination with the optional EVF-TL1 angle adapter. The GFX100's new viewfinder features a high-resolution OLED display with 5.76 million pixels. Designed specifically for the 102 megapixel sensor, the viewfinder features five optical elements, including an aspherical lens that magnifies the viewfinder image 0.86 times. Depending on the subject and shooting situation, the user can choose between three viewfinder modes: "Frame Rate Priority", "Resolution Priority" and "AF Speed Priority".

The rear 8.1 cm (3.2 inch) LCD touch screen displays a high-resolution preview image with over 2.36 million pixels and can be rotated in three directions.

Fast and precise phase detection autofocus

The GFX100's autofocus system sets a new benchmark for digital cameras with a very large sensor in terms of speed and precision. The camera is the first model in the GFX series to use a phase detection AF including an algorithm taken from the fourth generation of X series cameras (X-T3 and X-T30), highly acclaimed for their fast and precise autofocus. The algorithm uses 3.76 million phase detection pixels distributed over the entire sensor area (coverage approx. 100%). The focus modes "single point", "zone" and "far/track" are available. The performance of the new AF system is particularly striking when using fixed focal lengths with relatively heavy focus lens elements, which now focus up to twice as fast as a conventional contrast AF system.

In addition, the GFX100 offers much more precise automatic focusing with face and eye recognition, which is now standard for many fashion and portrait photographers. Face Detection now works over greater shooting distances, and AF reliably tracks faces in profile as well as faces that are jerky or partially covered.

Unique colour rendering

As a long-time manufacturer of analogue film material and digital system cameras, Fujifilm is known for the outstanding quality of its colour reproduction. The GFX100's combination of advanced image sensor and fourth-generation X processor now delivers the raw 16-bit images many professional photographers want. The development of 16-bit TIFF files in the camera is also supported.

Unique colour rendering

Due to the very high resolution of the 102 megapixel sensor and the comprehensive color and contrast reproduction, the image data offers professional users significantly more scope for post-processing. In addition, the new "Soft Skin" function allows automatic smoothing of the skin tones already in the camera for portrait shots.

Further innovations

The GFX100 holds two rechargeable batteries (NP-T125), which are fully charged and allow around 800 shots when the rear LC display is used exclusively. The batteries can be charged via a USB-C interface or the camera can be powered in operating mode. In addition, an external power pack can be connected via a USB cable, which extends the recording time.

As the first model in the GFX series, the camera supports the IEEE802.11ac 5GHz standard, which supports even faster wireless data transfer. Like the GFX cameras already on the market, the GFX100 is compatible with the "Tether Shooting Plug-in PRO for Adobe PhotoshopLightroom" and "Capture One Pro Fujifilm" software applications, which can be used to develop RAW data and create professional tethered shooting workflows.

Prices and availability

The Fujifilm GFX 100 is expected to be available in Switzerland from the end of June 2019 for CHF 11,950.


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