Filter-free means all the benefits of long lasting operation with uniquely zero maintenance requirements.
Manufacturers of laser projection are quick to extol the virtues of long-life, maintenance-free laser light sources. Where maintenance access is restricted and lamp budgets are tight, there are genuine benefits for customers who gain up to 20,000 hours of operation without any lamp exchange required. However, this does not mean that maintenance is not required; a claim to be maintenance-free is highly misleading. In order to maintain image quality and longevity, it is essential to factor in regular service intervals for filter cleaning and/ or filter replacement. Only a filter-free projection solution which achieves the promise of maintenance-free long-life operation can truly fulfil the “install & forget” ideology
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