OPTICAL SYSTEM HAVING FOCUSING STRUCTURE FOR INFRARED THERMOMETER Russian patent published in 2015 - IPC G01J5/08 

FIELD: physics, optics.

SUBSTANCE: invention relates to optical measurements and an optical system for an infrared thermometer. The optical system comprises a lens, an eyepiece, a light-splitting unit, a lens tube, a focusing eyepiece tube and a lens ring. There is a cap in the back part of the device for fixing the distance to the image formed by the lens and for protecting the device from dirt. The lens and the eyepiece can move along an optical axis. The lens is moved by rotating the focusing ring and the eyepiece is moved by extending the focusing eyepiece tube.

EFFECT: higher measurement accuracy and reliability of the device.

8 cl, 4 dwg