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  • KnowledgeBase: Gel Frame Size for a 19-50 degree Source Four Zoom

    The common gel frame size for a 19-50 Degree Source Four and Source Four jr is 6.25 inches by 6.25 inches.
    Posted to ETC Product Wiki by dramer on 08-28-2009
    Filed under: KnowledgeBase, Source Four, Source4
  • KnowledgeBase: Help Your Technician Help you

    When equipment goes bad out in the field, it's often extremely helpful if the owner/end user can keep track of the circumstances of the failure. This is especially true when the problem is intermittent and might not occur when the technician is present. Service Technicians are exceptionally skillful...
    Posted to ETC Product Wiki by Kelsey Aleckson on 08-24-2009
    Filed under: AAS, Acclaim, arri, ASTS, AVAB, CEM, CEM+, Congo, CongoJr, cRRFU, DAS, Dimmer, Distribution, DMX, ECMUX, Element, ELTS, Emphasis, Eos, ETCLink, Ethernet, Express, Expression, GCE, Idea, Ion, Irideon, K96, KnowledgeBase, Legacy Unison, LMI, Lon, MDD, MDR, MicroII, MicroVision, MIDI, MPE, NCE, Net2, Net3, Obsession, ObsessionII, Pharos, RDM, Response, RFR, RFU, RRFU, RS-232, RVI, Sensor, Sensor+, SineWave, SmartBar, SmartFade, SmartFadeML, SmartModule, SMPTE, Source Four, Source4, Touchscreen, Unison, Vision, WRFU
  • KnowledgeBase: Source Four Lens Focal Lengths and Field Angles

    S4 15-30 Degree Zoom Rear Lens 206.9 mm Front Lens 370.6 mm S4 25-50 Degree Zoom Rear Lens 125.8 mm Front Lens 219.8 mm Here are the calculated FL equivalents for the combined lens sets Fixture Actual Field Angle (per 7/2003 testing) Lens Focal Length S4 15-30 16.2° minimum 278mm 31.3° max 141mm...
    Posted to ETC Product Wiki by Kelsey Aleckson on 07-20-2009
    Filed under: KnowledgeBase, Source Four, Source4
  • KnowledgeBase: The shutters for my 90° source 4 look curved

    Question: The shutters for my 90° source 4 look curved even though they are straight. Is this normal? Answer: Yes, this is normal. It is difficult to design lenses that will produce a 90° beam – and the curved shutter edges are normal with this optical system. The only way to fix this situation...
    Posted to ETC Product Wiki by Kelsey Aleckson on 07-17-2009
    Filed under: KnowledgeBase, Source Four, Source4
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