Custom lenses
Sklaer can develop and get quick prototypes of custom optics as sets of lenses to correct aberrations and ensure a perfect shape with high homogeneity
The former Mona Lisa Projector used an aspheric single projection lens. The new lamp is equipped with a special-design aspheric-symmetrical doublet. This doublet has a Numerical Aperture of 0.7. The design of this new two-lens system was necessary to eliminate the distortion on the upper side of the asymmetrical projection of the beam. This resulted in obtaining a very well defined rectangular spot on the painting. Furthermore, a careful fine tuning, of the system offers the possibility of monitoring the contrast between the illuminated part (the painting) and its frame.
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