SNOM fiber probes with glued quartz tuning-forks for NT-MDT systems, aperture 100 ± 30 nm (MF112) and 125±25 nm (MF113), fiber diameter 125um, probe length 2m, probe tip coated by Al – 7-8mm, transmitted wavelength 450-600 nm (MF112) and 600-770 nm (MF113).