it is used in a concave lens
A virtual, enlarged and erect image is seen from the lens. Here from means through the lens. This is what a palmist does while reading the lines on the palm to foretell the future.
Fresnel lens
== == It is used to magnify/ or make things appear closer?to magnify small objects
A convex lens.
Designer reading glasses usually cost a few hundred dollars depending on the brand name, the type of lens, the degree of the lens and material used in crafting it.
A lens is plus when it is convex like a magnifying lens. These are used as reading glasses and can be bought without a prescription in the USA. Minus is concave and are far seeing at a distance. They are prescribed in the USA.
The rays are diffracted toward the center of the lens. This is the principal used in reading and magnifying glasses.
it is used in a concave lens
The ocular lens used for nearsightedness is known as a diverging lens. It is also known as a concave lens.
bioconvex lens
Diverging Lens are use (reading glasses) to help correct the problem of myopia helping fix the focus which causes items far away to seem fuzy and blurry.
press the lens on the light.
Fresnel lens
A convex lens.
? to protect the lens i assume.
A telescopic lens.