Paul M. Willis
02-11-2012, 09:04 PM
A custom gobo will enhance any event. Having a wedding monogram in lights can make it a special night.GoboMan operates it’s new laser system in Temecula, CA and is providing much needed jobs in the local area. “Because the new laser system is safe to operate and has a very low power consumption, it will make it possible to open future offices duplicating the same fast delicvery as we offer here” adds Hoffman.Once you have chosen the type of custom gobo, you can upload your artwork directly to our experienced professionals. Upon your approval of your custom gobo artwork. We will craft your custom gobo to the specifications of your gobo lighting fixture and ship the custom gobo directly to you.
02-17-2012, 03:36 PM
I think Billiards Digest is getting what they deserve in getting spammed when they hire a webmaster who happens to be their biggest competitor.
(This ought to get the thread removed pretty quickly.)
02-18-2012, 06:58 AM
<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Fran Crimi</div><div class="ubbcode-body">I think Billiards Digest is getting what they deserve in getting spammed when they hire a webmaster who happens to be their biggest competitor.
(This ought to get the thread removed pretty quickly.) </div></div>
I totally agree Fran and I've been saying that for a while now. Obviously, BD doesn't really care about the forum.
02-19-2012, 07:24 PM
I learn somthing everyday.
A gobo (or GOBO) derived from "Go Between" or Goes Before Optics -originally used on film sets, is a physical template slotted inside, or placed in front of, a lighting source, used to control the shape of emitted light.
In the design of an artificial environment in which lighting instruments are used, it is sometimes desirable to manipulate the shape of the light which is cast over a space or object. To do so, a piece of material with patterned holes through which light passes is placed in the beam of light to allow only the desired "shape" or pattern through, while blocking the rest of the light, casting a specific shadow/light into the space.
Though the term "gobo" has come to generally refer to any device which produces patterns of light and shadow or various pieces of equipment that go before a light (such as a gobo arm or gobo head), the specific term itself also defines the device used in theatrical lighting applications because of the mandated placement of the device in 'the gate' or 'point of focus' between the light source and the lenses (or optics). This placement is important because it allows the focusing of the pattern or shape into a crisp, sharp edge (for logos, fine detail, architecture, etc.) and also the softening the edges (breakup patterns, etc.). On film sets gobos, also known as Flags and "cookies" which are placed in the beam of light post-optics do not have the option of such fine focus.
Gobos may be used, in connection with projectors and simpler light sources, to create lighting scenes in a theatrical application. Simple gobos, incorporated into automated lighting systems, are popular at nightclubs and other musical venues to create moving shapes. Gobos may also be used for architectural lighting, as well as in interior design, as in projecting a company logo on a wall or other feature.
A theatrical gobo may be made from either sheet metal or borosilicate glass, depending upon the complexity of the design.
Glass gobos can include colored areas (much like stained glass windows), made of multiple layers of dichroic glass, one for each color glued on an aluminium or chrome coated black and white gobo. New technologies make it possible to turn a color photo into a glass gobo.
In low budget theatre, discarded soda cans or pie plates can be used and patterns cut out with any cutting tool. The latest commercial technology enables finely dithered patterns which give the illusion of shading. In the UK, printer's Lithoplate was widely used as an inexpensive gobo substitute. However, these gobos tend to wear quickly due to the heat produced by a stage lighting instrument and are not viable for most venues.
Plastic gobos—which are generally custom made—are available when a pattern is needed in color and glass does not suffice. However, these thin plastic films generally need to be used with special cooling elements to prevent melting them. A lapse in the cooling apparatus, even for just a few seconds, can cause an expensive gobo to be ruined.
A number of simple and complex stock patterns are manufactured and sold by various theatrical and photographic supply companies, or custom gobos from customer-created images can be manufactured for an additional fee. Generally the lighting designer chooses a pattern from a catalogue or small swatch book provided by the manufacturer. Because of the large number of gobos available, they are generally referred to by number, not name. For example, most manufacturers offer a gobo of a window, but they are all slightly different. So instead of calling it window, it would be identified as gobo 77143 
A gobo with the design on the left, with a red gel would project a pattern like the one shown to the right.
The gobo is placed in the focal plane of the lantern (generally an ellipsoidal reflector spotlight). The gobo is inserted upside-down and back-to-front. The desired pattern is then projected by the lantern onto whatever surface it is pointed at such as a wall or dance floor.
Gobos can provide everything from abstract dappled light effects to complex night-time cityscapes. They are commonly used in stage lighting, television, and film production to create texture, mood, or set a scene. Specialized attachments are available to rotate multiple gobos in different directions and rates to create an illusion of motion, such as that of light reflected off of moving water.
This effect allows the lighting designer to produce effects to help portray the scene. For example, a gobo with a cloud pattern may be used to suggest a scene is outdoors.
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