The outward curving of the lens is said to be a convex lens.
A lens that is thinner in the middle and thicker at the edges is called a concave lens.
There is none
Place a small amount of lens-cleaning fluid on a clean sheet of lens paper. Make one small circular pass on the lens and toss out. If lens is still dirty - repeat.
ocular lens
Achromatic means "without color". An achromatic lens is a lens that is virtually free from prismatic color distortions.
Achromatic lens.
NOOOO
blue
plano lenses
The vocaloid Megpoid Gumi has glasses where the lens are red and the frame is a darker gray color.
green
yes
Dark complexion look nice with green/light brown/grey colors lens.
Select the sight and then go into reticule or lens color. You can choose any color you wish.
Because the sunlight reflected of of the lens in our eyes.
Independent Lens - 1999 Adjust Your Color The Truth of Petey Greene 10-12 was released on: USA: 3 February 2009