# What are convex lens used for

Starting Original Price. Instead, lenses are made using a more refined material known as optical glass.

## Concave Lens: Definition & Uses

And so the image that gets formed on the other side of the lens will look like that. Similarly, if the object is away from the lens the rays enter at a wider angle. Think what happens when you look at the world around you.

Light being passed through a concave lens. And I think you could guess what I'm about to call this point. Continue back.

Help and Review. What happens if you make the water drop bigger or smaller? It gets its name from the Latin word for "lentil" a type of pulse used in cooking , but don't let that confuse you.

See very small things? And if parallel arrays are coming from the left side, they'll be focused at the focal length or at the focus point on the right-hand side.

## Convex lenses

And let me copy and paste it so I can actually use this drawing in the future, before I mark it up. Movie projectors and projection televisions use lenses to convert small movie pictures into giant images that lots of people can view at once.

A lens works by refraction: The focal length isn't the only important feature of a lens. And think about how they transmit or refract light. Latest Courses Computer Science 335: There is a difference in distance it travels, depending on where the light travels in the lens.

It's refracted a little bit, and then refracted a little bit more, and goes straight into that point. Now let's stick an object out here, beyond the focal length. Her articles on the film and book trades have been published in "Screen International," "Dagens Naringsliv," "Film Magasinet" and other Scandinavian newspapers and magazines.

## Optics for Kids - Concave vs. Convex Lenses

So the right side is going to be able to stay outside a little bit longer. And then it has another focal point, the exact same distance, on the other side.

And maybe it would go to this point, right over here. She now manages her own book shop.