Bern Optics, Inc. (Westfield, MA) has announced the availability of submillimeter optical lenses as small as 0.20 mm. These precision lenses can be ground and polished in a variety of difficult configurations, including plano convex, plano concave, bi-concave, bi-convex, as well as positive and negative meniscus. Created from optical and filter glasses, these microscopic elements — some as small as a grain of salt — can be produced with spherical and cylindrical radii with submillimeter curvatures and diameters. Bern Optics can also cement doublets (achromats) and triplets, furnishing exceptionally accurate alignment. The centration of each element is verified before and after cementing. Custom designed anti-reflection coatings can also be provided on all lenses.
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