What is aGobo? A “Gobo” is actually a small stencilled circular disc, and used in lighting to create a projected image or pattern. The word Gobo is short for “Go Between Optics”, describing the location where it must be positioned in the light path of a gobo light. Whilst Gobo’s are not a new technology they are still being utilized on events around the world. In today’s event market they may 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 very basic, have a quick lifespan and are typically identified as “black and white”. Glass gobo’s are definitely more detailed, usually have a long life-span and they are typically referred to as “coloured”. There is an emerging third kind of Gobo, which is designed particularly for LED fixtures, and is made from plastic.
Gobo’s come in several diameters, ranging from approx 20mm to approx 150mm. The diameter of the gobo is dictated through the fixture, so it is crucial to ensure you really know what fixture the gobo needs to be used in before manufacture. If used in a static fixture, the projected image will be stationary, however if installed in an intelligent fixture the image can be moved anywhere across the event space.
What events are Gobo’s applied to? Events including gala dinners, product launches, award ceremonies use gobo’s to back up the event branding and to provide visual interest. An increasing trend in weddings is to to utilize ornate glass Gobo’s featuring the bride and grooms name or initials that is presented being a keep sake through the event.
What exactly is required for a customised Gobo? Several specific products are necessary for an effective gobo display:
Profile Fixture: a profile light which is made to require a gobo in the gobo light projector is required to focus and zoom the gobo.
Gobo Holder: a specific accessory that supports the gobo set up is required for insertion to the profile light.
Projection Surface: a devoted surface like a wall or drape upon which the gobo is projected upon is required.
A Gobo is a physical template, most frequently on steel or glass, which can be placed facing a light source to alter the shape of the light onto a surface. Deriving its name from “Go Between” or “Goes Before Optics”, this part of metal or glass can be used to bar areas of the light source. Bat-signal_1989_filmCustom gobos allow you to display words, logos, shapes, and patterns on the wall, floor, ceiling, or other large flat space inside your venue. They may be usually used in front of a static source of light rxziif as being a leko and therefore are placed in a gobo holder to hold the gobo in position within the light.
A great illustration of this type of light projection will be the bat-signal shown within the Batman films and comic books. The bat-signal has a circular light shining inside the sky having an opaque Batman logo preventing light from shining through it, resulting in a circular light in the sky with all the Batman logo cut out of it.
Why use a gobo? A wedding gobo is an efficient substitute for banners and signage on corporate events, providing something visually different for the audience to soak up. They can also be used to generate patterns, imagery and shapes to aid the big event theme. Take a look at some images below of gobo’s of all the sizes and shapes.