164 MAESTRO 3.0 projectors optics Variable dynamics optics Optics with variable focal This particular optical system allows to change focus by adopting the spherical lens and the relative internal sliding mechanism. The gradient can be adjusted thanks to the special ring nut that the projector is provided with. TIR lenses TIR (total internal reflection) optics are made of thermoplastic resins or “optical” glass, and it is used for reducing secondary beams. The light beam is collimated in a central “spot” characterised by a diameter that varies as a function of the shape of the optics, thus guaranteeing precision and cleanliness of the projection. The profiled lighting through beam shaper is conceived for exhibit purposes. The shaper channels the light to the exhibited work, emphasising it with respect to the rest of the environment. Turning the specific ring varies the focus of the beam for softer or more defined lighting. Turning the external knob adjusts the lens extraction, concentrating more or less light on a determined point. It is, therefore, possible to always have ideal lighting from any distance (e.g. 1 and 4 metres). Moving the stainless steel blades as desired, the contour of the light beam can be varied. Fresnel optics come from the naval lighting environment and are used in the photographic field to take highly professional shots. The Fresnel lens, featuring a particular and characteristic conformation, allows the light to be channelled, guaranteeing concentrated and accent lighting even over long distances. Shaper optics Fresnel optics
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