What is aGobo? A “Gobo” is actually a small stencilled circular disc, and utilized in lights to create a projected image or pattern. The word Gobo is short for “Go Between Optics”, describing the location where it needs to be positioned in the light path of a gobo projector. Whilst Gobo’s are certainly not a new technology these are still being used on events around the world. In today’s event market they have taken on a much more creative role as technology advances permit more detailed and impressive shapes to be created.
Gobo’s are available in two main types; steel and glass. Steel gobos are incredibly basic, usually have a quick life span and they are typically referred to as “black and white”. Glass gobo’s are definitely more detailed, usually have a lengthy life-span and are typically identified as “coloured”. It comes with an emerging third kind of Gobo, which can be designed particularly for LED fixtures, and is made from plastic.
Gobo’s come in various diameters, which range from approx 20mm right through to approx 150mm. The diameter of a gobo is dictated from the fixture, so it is very important to make sure you really know what fixture the gobo needs to be found in just before manufacture. If used in a static fixture, the projected image will be stationary, however, if installed in an intelligent fixture the picture can be moved anywhere around the event space.
What events are Gobo’s applied to? Events like gala dinners, product launches, award ceremonies use gobo’s to aid the celebration branding as well as provide visual interest. A developing trend in weddings is to to utilize ornate glass Gobo’s featuring the bride and grooms name or initials that is presented as being a keep sake through the event.
What is necessary for a customised Gobo? A couple of specific merchandise is required for a highly effective gobo display:
Profile Fixture: a profile light which is designed to have a gobo in their gobo light projector is required to focus and zoom the gobo.
Gobo Holder: a certain accessory that supports the gobo set up is needed for insertion to the profile light.
Projection Surface: a dedicated surface for instance a wall or drape upon that the gobo is projected upon is required.
A Gobo is a physical template, most frequently on steel or glass, which can be placed in front of an easy source to change the form of the light onto a surface. Deriving its name from “Go Between” or “Goes Before Optics”, this bit of metal or glass is used to bar servings of the lighting source. Bat-signal_1989_filmCustom gobos enable you to display words, logos, shapes, and patterns over a wall, floor, ceiling, or any other large flat space inside your venue. They are usually used before a static light source rxziif as a leko and therefore are placed in a gobo holder to carry the gobo in place within the light.
An excellent example of this kind of light projection is definitely the bat-signal shown within the Batman films and comic books. The bat-signal features a circular light shining within the sky having an opaque Batman logo preventing light from shining through it, resulting in a circular light within the sky using the Batman logo cut out of it.
Why use a gobo? A custom gobo is an excellent alternative to banners and signage on corporate events, providing something visually different for that audience to soak up. They can also be used to create patterns, imagery and shapes to support the big event theme. Have a look at some images below of gobo’s of sizes and shapes.