The type of lense is a convex lense
double convex
== == It is used to magnify/ or make things appear closer?to magnify small objects
A hand lens is used to magnify an object. It is used to get a closer look at small features or objects.
Fresnel lens
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.
A magnifying glass is a hand-held instrument used to make an item look larger by magnifying its image when viewed through the lens.
the light microscope
The small magnifying lens used by jewelers and watchmakers is a loupe.
Hand lens.
Hand lens
which tool is to use to the patterns of an small object
A convex lens is thicker in the center. This type of lens bulges outward in the center and is thicker at the middle than at the edges. Concave lenses, on the other hand, are thinner in the center.