But that day is still a tiny speck in the distance, visible only through the powerful lens of imagination.

So fine, in fact, that it was only visible under a powerful lens.

The zoom ring can be locked at the 70mm position, making this powerful lens easy to transport, too.

Beneath its powerful lens, the photographs were enlarged so that eyes from the dark could compare them.

It had been Lloyd's idea that perhaps something a good deal more than just light could be passed through such a powerful lens.

Without anything to support the powerful lens, it moved around too much.

He turned his most powerful lens onto the blood of the first cow that died, and-here was luck!

The Shadow was able to see him now through the powerful lenses of his binoculars.

Under the powerful lens, the head of the pin appeared magnified to many times its ordinary size.

The stone bulged to tremendous size under the powerful lens.