Superior, high-clarity acrylic lens covers firmly affixed to the plaque with brass-type screws protect both the photo and trading card.

A 300mm acrylic lens was installed in 1984, to be replaced with the current VRB-25 in 1996.

They use carefully balanced cyan (blue-green) acrylic lenses, which pass a minute percentage of red to improve skin tone perception.

The acrylic lenses and cylinder surrounding the whole mechanism are designed to be UV resistant, but still require replacement approximately every five years.

This light has an acrylic lens and is powered by solar cells and batteries.

In 1978, the station was automated, and in 1989 a 190 mm acrylic lens was installed, replacing the Fresnel.

A set of mirrors (along with prefocused acrylic lenses) keeps weight down and the size compact, Bnox's manufacturers say.

Its three acrylic lenses can be combined to create up to four magnifications (5x, 10x, 15x, 20x).

But a celebrity-studded Hollywood premiere was completely undone when Sherman's fellow investors provided shoddy acrylic lenses for the projectors!

It currently contains a 200 mm acrylic lens.