Filmlexikon.
Support
Wedge
Lighting · Terms

Wedge

Murnau AI illustration
color temperature flow roll take

Wedge-shaped light modifier made of matte black acrylic or aluminum that produces gradual light falloff without hard shadow edges. Standard sizes 30–60 cm with wedge angles of 15°, 30°, or 45°.

Technical Details

Standard wedges measure between 30-60 cm in width and have wedge angles of 15°, 30°, or 45°. Material thickness varies from 2-8 mm, with thinner versions creating a subtler gradient. They are made from matte black acrylic, aluminum, or special textile materials (Cinefoil). Magnetic variants can be directly attached to metallic light housings, while universal versions are mounted via standard grip arms. Double wedges combine two opposing wedge shapes for more complex shading patterns.

History & Development

The first light wedges emerged in the 1940s in Hollywood studios as an evolution of rigid flags. Cinematographer Gregg Toland experimented with homemade cardboard wedge shapes on "Citizen Kane" (1941). Mole-Richardson introduced the first industrially manufactured metal wedges in 1952. In the 1970s, flexible textile wedges developed by Lee Filters became established. Modern LED panels began integrating digital wedge simulations via app control from 2010 onwards.

Practical Application in Film

In "Blade Runner 2049" (2017), Roger Deakins systematically used wedges for facial modeling in interrogation scenes. The gradual fall-off of light enhances psychological tension without hard shadow edges. Standard use occurs in portraits to reduce forehead glare or in product shots for natural-looking gradient shadows. Wedges eliminate unwanted lens flares more precisely than complete shading by flags. The soft transition prevents visible shadow edges on the subject while maintaining precise light control.

Comparison & Alternatives

Unlike flags, wedges do not create hard cut-off edges, whereas scrims reduce the entire light evenly. Modern LED panels with pixel mapping can digitally simulate wedge effects but do not achieve the physical precision of analog wedges on reflective surfaces. Gobos create specific patterns, while wedges exclusively create gradient shadows. For extreme wide angles, physical wedges are limited by their dimensions; digital solutions or post-production corrections in the DI process offer more flexibility here.

From the crafts

Perspectives

Cinematographer

Ich setze Keile hauptsächlich ein, um bei Available-Light-Situationen störende Lichtreflexe graduell zu eliminieren, ohne die natürliche Lichtstimmung zu zerstören. Besonders bei Fenstersituationen kann ich mit einem 30°-Keil den oberen Bildbereich sanft abdunkeln und trotzdem die Augenpartie des Darstellers optimal belichten. Das spart mir oft eine zweite Lichtquelle.

Director

Keile helfen mir dabei, subtile emotionale Hierarchien im Bild zu schaffen, ohne dass es dem Zuschauer bewusst auffällt. Wenn ich einen Charakter langsam ins Zwielicht rücken lassen möchte, arbeite ich mit graduellen Keil-Übergängen statt harten Schnitten - das unterstützt die psychologische Entwicklung organischer als digitale Effekte.

Producer

Ein Set von sechs verschiedenen Keilen kostet etwa 800 Euro und spart mir täglich mindestens eine Stunde Setup-Zeit gegenüber komplexeren Lösungen mit mehreren Leuchten. Da sie ohne Stromverbrauch funktionieren und praktisch unzerstörbar sind, rechnen sie sich bereits nach wenigen Drehtagen, besonders bei Location-intensiven Produktionen.

More in the lexikon

Related terms

Test your knowledge

Quiz

1. Zu welchem Department gehört „Keil"?

2. Wie viele verschiedene Fachperspektiven bietet dieser Eintrag?

Report an error
From the Filmfarm ecosystem

Understand visual language, budget productions, connect crew.

The Lexikon is part of the Filmfarm ecosystem — alongside budgeting (FilmBalance), an industry magazine (FilmCircus) and crew networking (FilmCall, CrewMesh). One shared vocabulary for the whole production.

FilmFarm FilmRadarComing soonFilmPulseComing soonFilmNumbersComing soonFilmCapitalComing soonFilmLabComing soonFilmBalanceComing soonFilmCircusComing soon