What is the thickness of a gobo?
Jun 03,2023 | JINGYU OPTOELEC
What is the thickness of a gobo?
A gobo is a stencil or pattern that is used with a lighting fixture to project an image or design onto a surface. It is an essential tool for lighting designers in concerts, theaters, festivals, events, and even architectural lighting. Gobos are made from a variety of materials and are available in different thicknesses. The thickness of a gobo depends on the material from which it is made and the type of image or design required for projection.
1. Metal gobos: Metal gobos are the most common type of gobo and are usually made from thin sheets of stainless steel, aluminum, or nickel silver. The thickness of a metal gobo can range from 0.15mm to 0.5mm. The thickness depends on the complexity of the design and the material used. Simpler designs such as text or simple graphics may require a thinner gobo, while more intricate designs may need a thicker gobo to maintain their structural integrity.
2. Glass gobos: Glass gobos are more fragile than metal gobos, and as such, they are usually thicker. Glass gobos can range from 1.5mm to 5mm in thickness. Glass gobos are made by layering colored and clear glass, and then carving the design into the glass. They are used for intricate designs, logos, and scenic effects.
3. Plastic gobos: Plastic gobos are less expensive than metal or glass gobos and are made from sheets of polycarbonate or polyester. The thickness of plastic gobos can range from 0.5mm to 1mm. Plastic gobos are usually used for simple designs such as text or shapes that do not require a high level of detail.
In conclusion, the thickness of a gobo depends on the material used and the design needed for projection. Metal gobos are the most common type of gobo and can range from 0.15mm to 0.5mm in thickness. Glass gobos are thicker, ranging from 1.5mm to 5mm, while plastic gobos are generally thinner, ranging from 0.5mm to 1mm. Understanding the thickness of different types of gbos can help lighting designers choose the right gobo for their specific projects and create the desired effects on stage, in events, and architectural lighting.