ARRI Film Lab 1.5 Adds More Film Formats

For those who don’t know the tool: ARRI Film Lab is an OpenFX plugin for adding film grain, halation, colour characteristics and gate weave to digital images. It processes RGB footage within supported colour-managed workflows, giving colourists control over the ingredients of a photochemical look. The chemistry stays mercifully outside the grading suite.

ARRI has expanded Film Lab beyond its original 35 mm starting point. Version 1.5 adds 8 mm, 16 mm and 65 mm looks, finer control over grain and halation, and ACES 2.0 input and output options.

Choose the gauge, then tune the texture

The new Film Format selector offers 8 mm, 16 mm, 35 mm and 65 mm starting points. Grain Size adjusts the scale of the film grain, while Rendition of Detail changes perceived sharpness. Both run from 0.75 to 1.5, allowing finer adjustment around the selected format.

Anamorphic Ratio adapts the horizontal stretching of grain and halation to anamorphic footage. ARRI’s announcement specifies eight squeeze ratios between 1.25× and 2.0×. Halation Spread adds a separate adjustment for the radius and character of the glow around highlights and high-contrast edges, rather than leaving intensity to do all the work.

Grain Intensity and Halation Intensity now each extend from 0.0 to 2.0, doubling their previous maximum values. Negative-stock selection, print-process controls and Gate Weave remain available. Subtlety is still an option; it simply has more competition at the other end of the slider.

Colour management with fewer manual steps

ACES 2.0 support adds ACEScc and ACEScct input and output choices for workflows in applications including DaVinci Resolve and Baselight. In Baselight, OpenFX colour management automatically supplies the correct input transform and locks the plugin’s I/O Space control. Other colour-managed hosts let users select the plugin’s I/O space and convert footage as required, with a warning for colour-space mismatches. The interface also gathers fine adjustments into a Tune group and renames Print Process to Color (Print+Process).

Performance, fixes and existing projects

The release notes add native support for NVIDIA RTX 40- and RTX 50-series GPUs. They also list fixes for incorrect 500T halation colour spread, square-looking halos, coloured spots in highlights and clipping in dark image areas.

Availability and licensing

Film Lab 1.5 is available through RE:Vision Effects, with the download dated 7 October 2026. Existing licence holders receive the update free of charge. Downloads cover macOS, Windows and Linux; the distributor refers users to their host application’s OS and hardware requirements. The trial begins watermarking images after one week without activation.

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