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Clean Gate
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Clean Gate

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film production

Checking the gate after a successful shot: if it is free of hairs and debris, the take is considered usable.

"Gate is clean" is the camera assistant's response to the question "Check the gate". During filming, after the last shot of a setup, the image gate is checked: fibers, emulsion buildup, or dust on the edge of the gate will appear in every frame of that take.

Why This Is a Separate Announcement

Because a dirty camera can render the entire take unusable – and this is only noticed in the lab when the set has long since been dismantled. The check takes two minutes and saves a reshoot day.

Digital

The gate check in its original sense is omitted, but the announcement remains – the sensor is now checked for dust, as is the rear of the lens. And the actual control shifts to the DIT, who reviews the material before the setup is changed.

If the check is negative, it's announced as "Gate is not clean" – and the last take is repeated.

From the crafts

Perspectives

Director

Creative or operational relevance to directing

Producer

Importance in production planning and execution

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