I assume you mean the small magnifier worn on a band to hold it in front of one eye. It is called a loupe.
A jeweler's lens used for magnification is called a loupe.
A small and handy magnifying lens used by jewelers is called a loupe.
A loupe is a small magnifying lens that could be described as a jeweler's eyepiece.
Loupe I'm pretty sure. My boyfriend's father was a jeweler. Hope that helps
The small magnifying lens used by jewelers and watchmakers is a loupe.
You don't use a jewelers loupe with a customer. You use it with a gemstone. Closely inspecting your customer with a magnifying lens will very quickly result in an ex-customer... and perhaps an assault charge.
The upper lens is called the ocular lens or the eyepiece.
The upper lens is called the ocular lens or the eyepiece.
Concave lens is called a negative lens because it has a negative focal length.
they're called jewelers.
when a beam of light is passed through the convex lens it converges the beam of ligth.hence convex lens is called a converging lens.
when a beam of light is passed through the convex lens it converges the beam of ligth.hence convex lens is called a converging lens.
when a beam of light is passed through the convex lens it converges the beam of ligth.hence convex lens is called a converging lens.