Polaroid camera; instant camera
Refers to a camera that uses self-developing film to produce a print shortly after taking a picture. Often associated with the Polaroid brand, but used generically for any instant camera.
ポラロイドカメラで写真を撮ると、すぐにプリントが出てくる。
When you take a picture with a Polaroid camera, the print comes out right away.