Fujifilm

GFX Eterna 55

A professional medium-format cinema camera featuring a 43.8 × 32.9 mm X-Trans CMOS 5 HR sensor with 100 megapixels, designed for high-end cinematography and color grading. The Eterna 55 delivers exceptional dynamic range (16+ stops) and advanced color science with F-Log2 and F-Log support, 8K recording in HEVC/H.265 and ProRes formats, and professional-grade I/O including SDI, HDMI, and XLR audio. Built-in electronic variable ND filter, dual stabilization (OIS and DIS), and V-mount battery compatibility make it ideal for demanding production environments.

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Fujifilm GFX Eterna 55 product photo

Technical specifications

Sensor
Large Format CMOS
Sensor Size
43.8 x 33.9 mm
Megapixels
102
Mount
FUJIFILM G
Max Resolution
6K (8192x4320)
Max Frame Rate
59.94fps @ 4K DCI
Codec
ProRes, H.265
Dynamic Range
14 Stops
ISO Range
ISO 100–25600
Log / Gamma
FUJIFILM F-Log2, FUJIFILM F-Log2 C
Autofocus
Contrast-detect AF
Stabilization
OIS (lens), DIS (camera)
ND Filter
2–7 stop (variable)
Ports
1x BNC (12G-SDI), 1x HDMI 2.1, 1x 1/8" / 3.5 mm TRRS Headphone/Mic Headphone, 1x 1/8" / 3.5 mm TRS, 1x LEMO 4-Pin, 1x LEMO 2-Pin, 1x 2.5 mm Sub-Mini (Remote), 1x BNC (Timecode) Input/Output, 1x BNC (Genlock), 1x 12-Pin (Lens Control), 1x RJ45 (Ethernet)
Battery
NP-W235, V-Mount
Weight
2000g
Dimensions
110.8 x 138.2 x 176.8 mm
MSRP
$16,499.95
Released
2025

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Field guide

Overview

The Fujifilm GFX ETERNA 55 is a specialized digital filmmaking camera that brings large-format aesthetics to a dedicated cinema-centric body. Designed for high-end production, it bridges the gap between traditional cinema cameras and the GFX system, offering a unique sensor size that provides a distinct look compared to standard Super 35 or full-frame sensors. It is a robust, modular system that prioritizes professional workflow, featuring a detachable LCD monitor, a dedicated handle, and extensive connectivity options including SDI, HDMI, and Genlock.

What makes the ETERNA 55 particularly interesting is its focus on a streamlined, professional interface. The camera utilizes side monitors for quick setting adjustments, allowing the operator to manage frame rates, ISO, shutter, and ND filters without diving into complex menus. It supports advanced features like Frame.io Camera to Cloud integration, remote recording via web browser, and internal recording to both CFexpress Type B and SD cards, making it a versatile tool for both studio and location work.

This camera is aimed at cinematographers and production houses looking for the specific depth-of-field and rendering characteristics of the GFX sensor in a professional video workflow. It is well-suited for narrative filmmaking, high-end commercials, and documentary projects where image quality and reliable, professional-grade connectivity are paramount.

Pros & Cons

Pros

  • Large-format sensor provides a unique, cinematic look that distinguishes it from standard full-frame or Super 35 cameras

  • Built-in electronic variable ND filter (0.6 to 2.1) allows for precise exposure control without needing external filters

  • Professional connectivity including SDI, HDMI, Genlock, and TC IN/OUT for seamless integration into multi-camera studio environments

  • Dual-sided monitors with dedicated buttons allow for rapid setting changes without obstructing the main LCD view

  • Frame.io Camera to Cloud integration enables immediate proxy uploads for faster post-production workflows

Cons

  • W235 battery mode significantly restricts functionality, disabling SDI, HDMI, and external SSD support

  • Large sensor size and high-resolution output may lead to increased data management and storage costs compared to smaller formats

  • The camera is not designed for handheld use without the handle and proper rigging, increasing the overall footprint

  • Requires specific G-mount or PL-mount lenses, limiting the use of common full-frame or EF-mount glass without adapters

  • High power consumption (up to 49W) necessitates robust power solutions like V-mount batteries for extended shooting

Best Settings

Narrative Filmmaking

Use the ProRes codec for maximum post-production flexibility. Set the project frame rate to 23.98 or 24 fps. Utilize F-Log2 for the widest dynamic range, and apply a custom LUT via the LUT SETTING menu to monitor the intended look on set.

Documentary / Run-and-Gun

Set the camera to H.265 422 Long GOP to balance file size and quality. Enable the electronic variable ND filter to quickly adapt to changing lighting conditions. Use the 'MULTI' AF mode with subject detection enabled to ensure critical focus on subjects in unpredictable environments.

Interview & Talking Head

Use the 4ch audio recording setting with an external XLR microphone adapter for professional-grade audio. Set the iris to a fixed aperture for consistent depth of field, and use the 'AREA' AF mode to lock focus on the subject's eyes.

Slow Motion

Set the recording frame rate higher than the project frame rate (e.g., 59.94P recording for a 23.98P project). Note that high-speed recording may require specific memory card speeds (V90 or CFexpress) to avoid dropped frames.

Common Issues

Recording Stops Unexpectedly

What's happening: The camera stops recording during a take. Why: The write speed of the memory card may be too slow for the selected bitrate or codec. Fix: Check the memory card compatibility list on the Fujifilm website. Ensure you are using a card with the required Video Speed Class (e.g., V90 for 720 Mbps). Prevention: Always format your cards in-camera before a shoot and use recommended media.

Camera Unresponsive

What's happening: The camera does not respond to button presses or dial rotations. Why: The controls may be locked, or the camera has encountered a temporary software error. Fix: Check the lock switch position. If it is unlocked, remove the battery, wait a few seconds, and reinsert it. Prevention: Use the lock switch intentionally to prevent accidental setting changes during operation.

Overheating Warnings

What's happening: The camera displays a temperature warning or shuts down. Why: The internal temperature has exceeded safe operating limits, often due to high-resolution recording or high ambient temperatures. Fix: Turn the camera off and allow it to cool down. Ensure the air intakes and exhaust vents are not obstructed. Prevention: Use the cooling fan settings (AUTO1 or AUTO2) to manage internal heat during long recording sessions.

FAQ

What memory cards does the Fujifilm GFX ETERNA 55 use?

The camera features two slots: Slot 1 is for CFexpress Type B cards, and Slot 2 is for SD, SDHC, or SDXC cards. Both UHS-I and UHS-II bus interfaces are supported for SD cards.

Can the Fujifilm GFX ETERNA 55 record to an external SSD?

Yes, the camera can save still images and movies to an external SSD connected via the USB-C port. You must select the SSD as the recording destination in the MEDIA REC SETTING menu.

Does the Fujifilm GFX ETERNA 55 have built-in ND filters?

Yes, it features an electronic variable ND filter that ranges from 0.6 (ND4) to 2.1 (ND128). This can be adjusted via the ND filter menu or the multi-function dial.

What is the maximum resolution of the Fujifilm GFX ETERNA 55?

The camera supports 8K resolution in various aspect ratios, including 8K 2.76:1, 8K 2.39:1, 8K 16:9, and 8K 17:9.

Can I use PL-mount lenses on the Fujifilm GFX ETERNA 55?

Yes, the camera comes with a PL-mount adapter. You can replace the shim on the adapter to adjust the flange focal length as needed.

How do I update the firmware on the Fujifilm GFX ETERNA 55?

Download the latest firmware from the official Fujifilm website to a memory card. Insert the card, press the MENU button, navigate to SET UP, select FIRMWARE UPDATE, and follow the on-screen instructions.

What is W235 battery mode on the Fujifilm GFX ETERNA 55?

W235 battery mode is a restricted power state that occurs when the camera is powered only by the supplied NP-W235 battery. In this mode, SDI/HDMI outputs, the 12-pin lens connector, external SSDs, and network functions are disabled.

Does the Fujifilm GFX ETERNA 55 support Frame.io?

Yes, it supports Frame.io Camera to Cloud. You can connect the camera to a network and upload files directly to the Frame.io platform.

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