A converging meniscus lens with a refractive index of 1.52 has spherical surfaces whose radii are 7.00 cm and 4.00 cm. An object is placed 23.5 cm to the left of the
Lens - Wikipedia
What do these designations mean on a lens? - Community Laser Talk [UNOFFICIAL] - LightBurn Software Forum
CONVEX AND CONCAVE MENISCUS LENSES MCX - MCC - Get a price quote from Tecnottica Consonni