noun
frame in; entering the frame
Used in film, photography, and video contexts when a subject or object moves into the camera's frame. Often used as a noun or in suru-verb constructions.
俳優がフレームインするタイミングを確認する。
Check the timing for the actor to enter the frame.
突然、鳥がフレームインしてきた。
Suddenly, a bird came into the frame.
Variant with interpunct; less common in running text.
フレームアウト means 'frame out' or leaving the camera frame, the opposite of フレームイン.
Loanword from English 'frame in', used in film and photography terminology.