Pinhole

As pinholes ( English for pinholes ) are referred to:

• In casting technology, small, elongated gas bubbles just below the surface of castings . They reduce the strength slightly and are sometimes unavoidable if they form when the solidifying workpiece is depressurized .

• In photography, fine be pinhole pinholes known why pinhole camera to the English term for the pinhole camera was.

• In the gamma-ray optics, the pinhole collimator of lead is technically the simplest solution for geometrically useful pictures with this dangerous radiation.

• In botany in connection with insect damage

This is a disambiguation page for differentiating between several terms identified with the same word.