convex lens

A convex lens can bring the focus forward (bottom).

Set in a brass frame and handle, it had a convex lens six inches across.

The remedy is the use of powerful convex lenses.

It can also be corrected with special convex lenses.

They are sort of round and fat in the middle like a lentil or a convex lens.

The window's surface is usually structured like a honeycomb made of convex lenses.

A tube was fitted into the side of the lantern and held convex lenses at either end.

Convex lenses have a positive dioptric value, which causes the light to focus closer than its normal range.

A single convex lens mounted in a frame with a handle or stand is a magnifying glass.

Drebbel became famous for his invention in 1621 of a microscope with two convex lenses.

In order to understand how a spatial soliton can exist, we have to make some considerations about a simple convex lens.

It includes writings of convex lens spectacles for treating long-sightedness.

It uses a convex lens as the eyepiece instead of Galileo's concave one.

The convex lenses of his glasses magnified his red-rimmed eyes.

In a standard converging, or convex lens, one or both sides of the glass curves out.

This convex lens gives the name to the fisheye lens in photography.

Dwer peered through the window, a rippled convex lens with a broken stem in the middle.

Convex lenses can help this condition.

The Archduke had received an astronomical telescope with two convex lenses which showed objects upside down and the wrong way round.

It is more frequent in people over 40 years old and it is corrected with convex lenses.

The man wore a mask of perfectly smooth, rounded mirror, a convex lens that sent Benjamin's distorted face back at him.

Through the panoramic forward windshield, the Earth looked amazing, stretching away from them like an enormous aqua-blue convex lens.

So named from the resemblance in shape of a double convex lens to the seed of a lentil.

Correcting hypermetropia is normally done with eyeglasses with convex lenses.

However, larger amounts may be corrected with convex lenses in eyeglasses or contact lenses.