The paper presents propagation properties of elliptical fibers with liquid crystal core under the influence of temperature, hydrostatic pressure and external electric field. Initial data on transmission losses of the liquid crystal fiber in the 0.5-2.0 mum spectral range is also presented. The scattering loss was found to be around 0,2 dB/cm for elliptical-core (4x18 mum) liquid crystal fibers that is in accordance with other measurements [1], whereas a significant increase to about 5 dB/cm was observed in liquid crystal capillaries.