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Gobos
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Gobo wheel 1 provides 6 rotating gobos; gobo wheel 2 provides 9 static gobos. The standard gobo configuration is
shown in Figure 8. All gobos are interchangeable with the following limitations:
• On wheel 1 (rotating), the gobo retention spring works with gobos up to 3 mm in thickness. Thicker gobos can be
glued to the holder with a UV adhesive or Loctite 330 Multibond with Activator.
• On wheel 2 (static), the maximum thickness for gobos is 1.1 mm.
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Figure 8: Gobo wheels as seen from front lens
C u s t o m g o b o s
Martin can provide many additional gobos for the MAC 550 Profile, which accepts the same size gobos as the MAC
500. For more information, please visit the Martin web site at www.martin.com.
Custom glass gobos should be made with the artwork reversed on the coated side. This orientation minimizes
reflections but is not critical.
While glass gobos are generally the most durable, satisfactory results can be obtained at less expense with aluminum
gobos. Custom stainless steel gobos can also be used, however they can warp, losing sharpness, in a matter of hours.
The useful life will depend on the gobo pattern and the projection cycle. Consult your gobo supplier for more
information.
For best results, custom gobos should meet the specifications listed on page 37.
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