In this case, the lens is called a positive or converging lens.
From the en.wikipedia.org
This type of zone plate pattern is the equivalent of a transmission hologram of a converging lens.
From the en.wikipedia.org
The insertion of a converging lens in front of the taking lens reduces the focal length of the combination.
From the en.wikipedia.org
But the ray shown would be correct only if the optic were a triangular section prism with the base at the bottom, or perhaps the upper section of a converging lens.
From the newscientist.com
A close-up lens is a single or two-element converging lens used for close-up and macro photography, and works in the same way as spectacles used for reading.
From the en.wikipedia.org
Van Leeuwenhoek's microscopes consisted of a small, single converging lens mounted on a brass plate, with a screw mechanism to hold the sample or specimen to be examined.
From the en.wikipedia.org
A device which produces converging or diverging light rays due to refraction is known as a lens.
From the en.wikipedia.org
The combination of the eye's lens and the aqueous humor form the refractive converging system, while the tapetum lucidum behind the retina forms the spherical concave mirror.