a lens works when light goes through it and refracts (bends) inside the lens. so the light
which tool is to use to the patterns of an small object
A hand lens is nothing more than a hand-held magnifying glass. The term "hand lens" is used primarily in a laboratory setting. The lens, or glass, is set into a frame with a handle attached. The fictional Sherlock Holmes popularized the hand lens, or magnifyng glass when looking for clues to solve a mystery.
The mass of a hand lens can vary depending on the size and material it is made of. Typically, a hand lens can weigh anywhere from a few ounces to a pound.
The main parts of a hand lens include the lens itself, the frame or housing that holds the lens, the handle for holding and maneuvering the lens, and sometimes a protective cover or case.
== == It is used to magnify/ or make things appear closer?to magnify small objects
The type of lense is a convex lense
double convex
A convex lens.
it measures your hand length
A hand lens is a magnifying glass, archaic term. It makes things like bugs look bigger. You carry it in your hand.
People hunting for fossils use hand lens and some crime labs do as well.
A magnifying glass is a hand-held instrument used to make an item look larger by magnifying its image when viewed through the lens.