The lens of an optical instrument that is the closest to the object being observed.
1The field of the great object lens was already suffused with the radiance of her approach.
2It had only one nosepiece, so that he had to remove the object lens when he wanted any variation in magnification.
3He ran round by the steps to the lower lawn, Lady Constantine following, as he continued, 'It is a magnificent eight-inch first quality object lens!
4This is true of the Lick telescope, which has a magnifying power of 2,500 and an object lens a yard across.
Translations for object lens