https://www.shalomeo.com/Optics/Optical-Lens/Plano-concave-Cylindrical-Lenses/product-475.html
Plano-Concave Cylindrical Lenses | Optical Lens
Plano-Concave Cylindrical Lens is an optical plano-concave lens in columnar form, with negative focal lengths, diverging light in one dimension. Shalom EO...
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