Anti-backlash double-view-field infrared thermal imaging lens and using method thereof

• Main Authors: FU XIAOKUI, ZHANG QIBU, HAN LIN, LIU XING
• Format: Patent
• Language: Chinese; English
• Published: 20.11.2020
• Subjects: OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS; OPTICS; PHYSICS

The invention provides an anti-backlash type double-view-field infrared thermal imaging lens and a using method thereof. The adopted scheme is as follows: the lens comprises a zoom group and a rear fixing group which are connected together in a matching manner, the zoom group comprises a zoom lens c...