Function of magnifying glass

Answer 1

Islamic opticians, mainly Alhazen, who was in his turn influenced by Ibn Sahl's 10th century writings about optics.

Roger Bacon further investigated the properties of the magnifying-glass after he had read those and other writings.

Answer 2

The earliest evidence of "a magnifying device, a convex lens forming a magnified image" was

Aristophanes's "lens", from 424 BC, a glass globe filled with water. (

Seneca wrote that it could be used to read letters "no matter how small or dim").

Roger Bacon described the properties of a magnifying glass in 13th-century

England.

Eyeglasses were developed in 13th-century

Italy.

Answer 3

Seneca the tutor of the Roman Emperor Nero invented the Magnifying glass in 424 BC.

Answer 4

Englishman Roger Bacon invented the magnifying glass in 1250

Answer 5

It was invented for people to make tiny objects appear larger than the original .

Answer 6

to magnify large and small object

Answer 7

inveted in 1824

Answer 8

Who made the magnifying glass