Camera Lenses Explained

It would be a convex simple use of the camera or concave lenses? Explain?

I think it is convex, but I do not know why? help me please thanks.

The convex lens bows out as out of a bowl. A concave lens bows inward like the inside of a bowl. If your camera has a lens telephoto zoom would perhaps both types 3, 4 or more. These convex and concave lenses are used to focus an image or movie in the old type camera or a sensor sensitive light in a digital camera. The purpose of focusing the image is the light coming unscater so your image will be clear. Having several lenses that can be moved back allows the image to get larger or smaller, as in a zoom lens.

Using Camera Lenses : What is Aperture?

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