What is aGobo? A “Gobo” is actually a small stencilled circular disc, and utilized in lighting fixtures to create a projected image or pattern. The term 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 certainly not a new technology they are still being used on events the world over. In today’s event market they have taken on a far more creative role as technology advances permit more in depth and impressive shapes to be created.
Gobo’s come in two main types; steel and glass. Steel gobos are extremely basic, generally have a quick life-span and therefore are typically identified as “black and white”. Glass gobo’s are more detailed, generally have a long life-span and are typically identified as “coloured”. It comes with an emerging third type of Gobo, that is designed especially for LED fixtures, and is made from plastic.
Gobo’s come in various diameters, ranging from approx 20mm through to approx 150mm. The diameter of the gobo is dictated from the fixture, so it is very important to make sure you really know what fixture the gobo must be utilized in prior to manufacture. If used in a static fixture, the projected image will be stationary, however if set up in a very good fixture the image can be moved anywhere round the event space.
What events are Gobo’s utilized on? Events such as gala dinners, product launches, award ceremonies use gobo’s to aid the celebration branding and to provide visual interest. An increasing trend in weddings is always to to utilize ornate glass Gobo’s featuring the bride and grooms name or initials that is presented as a keep sake from your event.
Precisely what is needed for a customised Gobo? Several specific merchandise is necessary for an effective gobo display:
Profile Fixture: a profile light which is made to have a gobo in their gobo projector is needed to focus and zoom the gobo.
Gobo Holder: a certain accessory that supports the gobo in position is needed for insertion in to the profile light.
Projection Surface: a dedicated surface like a wall or drape upon in which the gobo is projected upon is necessary.
A Gobo is a physical template, most frequently on steel or glass, that is placed facing a mild source to change the shape from the light onto a surface. Deriving its name from “Go Between” or “Goes Before Optics”, this bit of metal or glass is utilized to bar areas of the lighting source. Bat-signal_1989_filmCustom gobos permit you to display words, logos, shapes, and patterns over a wall, floor, ceiling, or some other large flat space within your venue. They are usually used facing a static light source rxziif as a leko and are placed in a gobo holder to carry the gobo set up in the light.
An excellent example of this sort of light projection is definitely the bat-signal shown in the Batman films and comic books. The bat-signal has a circular light shining inside the sky with the opaque Batman logo preventing light from shining through it, resulting in a circular light inside the sky with all the Batman logo cut out of it.
Why use a gobo? A glass gobo is an effective alternative to banners and signage on corporate events, providing something visually different for that audience to soak up. They could also be used to generate patterns, imagery and shapes to support the big event theme. Take a look at some images below of gobo’s of shapes and sizes.