showstack / glossary / barn-door
Barn door 遮光板
The hinged metal flaps that clip into the front of a fresnel or PAR to cut the edge of the beam off scenery, a portal or the front row. Four leaves, rotatable in the accessory slot.
中文
夾在菲涅爾燈或 PAR 燈前方的鉸鏈金屬葉片，用來把光邊切離景片、台口或前排觀眾。通常四片，可在配件槽內旋轉。
Regional usage
| Where | Term | Note |
|---|---|---|
| UK / US | Barn door | |
| HK / TW | 遮光板 / 四葉片 |
Easy to get wrong
Barn doors soften a cut; shutters in a profile/ellipsoidal make a hard one. Asking for a "sharp cut" on a fresnel gets you the softest edge in the rig.
Next to this
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Sources
- Theatrecrafts glossary of technical theatre terms — Theatrecrafts / ABTT heritage primary
Understand the mechanism
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