释义 |
pantoˈscopic, a. Also erron. panta-. [f. as prec. + -ic.] Having a wide range of vision. pantoscopic camera, a panoramic camera. pantoscopic spectacles, those so constructed as to have different focal lengths in the upper and lower parts, the upper being for long distance vision, and the lower for short; bi-focal spectacles; also applied to spectacles so shaped that the wearer looks over them for longer, and through them for shorter distances.
1875H. Walton Dis. Eye 259 Spectacles made according to this principle have long been sold..under the name of pantoscopic. 1882Ogilvie, Pantascopic camera, in photog. an instrument for taking panoramic views, including any angular extent up to 360°..by means of mechanism and clock-work. Very successful views of Swiss scenery have been taken by this instrument. 1893Photogr. Ann. 292 Rotate the lens and film as..in the pantascopic camera. |