It is desirable to provide a variable light condensing lens apparatus and a solar cell apparatus provided therewith in a simple configuration, yet capable of reducing dependency of light condensing efficiency on the angle of incidence of light and thereby improving power generation efficiency of the solar cell apparatus. The variable light condensing lens apparatus according to the present disclosure is provided with a translucent support having a hydrophilic photocatalyst on a surface thereof and a first translucent liquid supported on the surface of the translucent support in contact therewith and the solar cell apparatus according to the present disclosure is provided with a solar cell element, a pair of electrodes connected to the solar cell element and the variable light condensing apparatus according to the present disclosure disposed opposed to the solar cell element.