http://www.fizik.si
Lens that possesses at least one surface that curves inwards. It is a diverging lens, spreading out those light rays that have been refracted through it. A concave lens is thinner at its centre than at its edges, and is used to correct short-sightedness (myopia).
wow that helps /?
eminiem25 3 months ago
where is the sound?
lolitah028 7 months ago
wow...gr8 video..thnkz...
AiswaryaRPai 1 year ago