You use it to magnify an object.You can not see it with your naked eye.
If you mean a hand "magnifying glass", like the one used to inspect stamps, examine diamonds, or enlarge fine print, then yes, that's a convex lens.
A magnifying glass is a hand-held instrument used to make an item look larger by magnifying its image when viewed through the lens.
a hand lens insulates light
The ocular lens used for nearsightedness is known as a diverging lens. It is also known as a concave lens.
bioconvex lens
? to protect the lens i assume.
Fresnel lens
A convex lens.
A telescopic lens.
The type of lense is a convex lense
The thick lens equation is used in optics to calculate the focal length of a lens that is not thin, taking into account the thickness of the lens itself.
double convex