Zhekov, Z. . and Kalev, K. . (2023) “A SPECIAL CASE OF CALCULATION OF OPTICAL SYSTEM FOR A COLLIMATOR WITH AN ANFOCAL ACHROMATIC COLLIMATOR: A SPECIAL CASE OF CALCULATION OF OPTICAL SYSTEM FOR A COLLIMATOR WITH AN ANFOCAL ACHROMATIC COLLIMATOR”, JOURNAL SCIENTIFIC AND APPLIED RESEARCH, 18(1), pp. 12–16. doi: 10.46687/jsar.v18i1.274.