Rosco Glass Gobo - Autism Awareness Color Ribbon 4

High quality glass gobo made by Rosco.

Rosco manufactures its own dichroic glass in its purpose-built facility in Round Rock, Texas. Dichroic glass is the basic building block for glass gobos. Virtually all other gobo manufacturers have to buy their dichroic glass from various outside suppliers. Manufacturing its own glass assures color consistency from gobo to gobo and from batch to batch. It also assures that the gobo will be the same in quality if more copies need to be manufactured months after the original tooling. For many clients or company managements, color consistency in, for example, corporate logos are an overriding concern.

Although Rosco's standard dichroic glass thickness is 1.75 mm, our manufactured glass gobos are as thin as 1.1 mm thickness for black & white and one color gobos and 1.9mm for hi-resolution multi colors. This is particularly important because of the optics capability in today's highly advanced light fixtures. The substrates used allow a better focal plane. Such gobos will also fit the gobo slots of most instruments far more effectively, allowing for maximum usage of the light fixtures' projection capabilities. Our production process gives you a better resolution for your projected image.

Because Rosco manufactures its own dichroic glass, the company has been able to devise gobo etching and manufacturing processes unique in the industry. Wet etching remains the most precise technique for creating details and fine lines in both glass and metal gobos. Rosco's etching processes were created by to perfectly complement the in-house dichroic glass capability, stochastic screening and specialized coatings developed by the in-house engineering and technical team.

Rosco uses the stochastic screening technique for better detail. This technique uses a random dot pattern, unlike conventional screening that uses a regular pattern of dots in straight rows (see diagram below). Stochastic screening allows images to be reproduced with no moirees, rosettes or other effects - resulting in clearer resolution and truer color. Conventional screening, often cited as "dots per square inch" remains effective for many simple images. But stochastic screening is a much better choice for others. In particular, it works best for small images, such as those used on gobos for moving lights. Stochastic screening better reproduces artwork with fine angular lines, smooth reflective surfaces and graduated tones.

Gobo_Combinations_for_the_Motion_Effects_System_7529_File_1.pdf
Gobo_Holder_Requirements_7529.pdf
Projection_Size_Calculator_7529_File_2.xls