These folks lift the lens of art to ecology and provide an aesthetic appreciation for the natural environment.

Remember that many lenses, even dark tinted ones, don't provide any UV protection.

The door had a peephole, and the fish-eye lens provided a wide view.

The lens provides three white flashes every ten seconds.

The lens provides a field of view up to 65 degrees while traditional lenses tend to be limited to 60 degrees.

More often, this lens provides belated information that makes everything fall into place.

Bifocal lenses provide correction for both near and distance vision on each lens.

The larger lenses provide better images than a 3D pocket camcorder.

The field of view that the lens will provide changes with the focal length of the lens.

It follows that standard lenses on most consumer video cameras with small sensors provide much larger depth of field than 35 mm film.