charts or test symbol projectors. Despite their differences in appearance, all these test symbols have one thing in common - their size is always five times the thickness of the line, and in the case of
system is set at infinity, reading caps are used for reading (see table).Ocular and objective lenses have a high-quality, anti-reflection hard coating.Diffractive aspheric PXM® lightweight lens, cera-tec®
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Development The optimum route to the perfect product The quality of a product is "created" during its production. In the manufacture of all optical components we therefore combine modern production te