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A barn door tracker, also known as a Haig or Scotch mount, is a device used to cancel out the diurnal motion of the Earth for the observation or photography of astronomical objects. It is a simple alternative to attaching a camera to a motorized equatorial mount .
Barn doors, or occasionally a set of barn doors, are an attachment fitted to the front of a Fresnel lantern, a type of lantern used in films, television, and theatres. [1] The attachment has the appearance of a large set of barn doors, but in fact there are four leaves, two larger and widening on the outside, two smaller and getting narrower ...
Peter Frantz was the Company's inventor. An adjustable lighting product called the "Lightning Lamp Adjuster" was patented and was among its first production products. The Company soon expanded its line to hardware products ranging from hinges to barn door track and hangers to garage door hardware for the new automobiles that began to appear. It ...
It provides shelter over a window or door used for passing hay into the attic or loft of the barn; it may hold a pulley for hoisting hay or hay bales up to the loft, or a fork or grapple and track system (or hay carrier) where hay can be lifted and then moved throughout the barn. A barn may have the ridge beam extended past the wall with a ...
Stage lighting accessories#Barn doors From an alternative name : This is a redirect from a title that is another name or identity such as an alter ego, a nickname, or a synonym of the target, or of a name associated with the target.
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