This standard applies to lenses for optical-electronic systems:
——operating from infinity (object at infinity, image at a finite distance);
——microlenses corrected for the length of the tube “infinity” (object at a finite distance, image at infinity);
——collimator (object at a finite distance, image at infinity) and establishes methods for measuring focal length in ultraviolet (from 0.25 to 0.38 microns), visible (from 0.38 to 0.78 microns) and infrared (from 0. 78 to 15 µm) spectral regions
GOST R 70038-2022 history
2022GOST R 70038-2022 Optics and photonics. Lenses for optical electronic systems. Methods for measuring focal length