an occluder with small holes that is held over the patients own glasses to see if their vision improves. The pinhole gives the sharpest vision possible and gives an idea of what vision would be like if the patients glasses were changed).
1. A small clear spot on a negative usually caused by dust on the film during exposure or development or by a small air bubble that keeps developer from the film during development. 2. The tiny opening in a pinhole camera that produces an image.
(1) A small, unwanted, transparent area in the developed emulsion of a negative or black area on a positive; usually due to dust or other defects on the copy, copyboard glass or on the film. (2) In paper, small imperfections caused by foreign matter on its surface during papermaking. to top
Numerous small gas holes at the surface or just below the surface of castings, generally occurring in the thicker parts of the casting as a reduction in the solubility of gases in the metal as the metal cools.
A natural defect related to skins of fine-wooled origin. When thick hair follicles or clumps of hair follicles are removed from the grain of the leather, they can leave a hole the size of a pin prick in the surface of the skin similar to a pore.
An old, but currently popular way of taking pictures using a simple box without a lense, but with a tiny hole and a sheet of film pinned inside opposite the hole. Produces unique perspective and dreamy focus.
Pinhole was a rock band from Liverpool, England in the UK. Managed by Shifty Ryder, the band released 2 CDs before taking a break to refine their musical direction. They emerged from their hiatus with a new sound and a new name: The Dead 60s.
An archaic way of taking photographs using a simple box without a lens, it is currently undergoing a resurgence with contemporary artists, producing images that have a unique perspective and dreamlike quality.