macro lens

On another, more macro level, did you find Europe to be such a cesspool of intrigue?

Go carefully over the film with an oil-immersion lens, using a mechanical stage if available.

Still kneeling, he drew from his waistcoat pocket a powerful lens contained in a washleather bag.

By far the greatest of these scientific inventions are those which depend upon the lens.

It was a little longer than the usual three cell case, and there was a finely ground lens at the end.

He removed his glasses and wiped them slowly and carefully, polishing each lens with meticulous care.