Abstract: Disclosed is a novel anti-reflective film used for reducing the adverse influences of stray light within an optical instrument such as photographic cameras by attaching onto the inner walls of the instrument. The anti-reflective film consists of a substrate film of a synthetic resin and an anti-reflective coating layer formed on one surface of the substrate film by coating with a coating composition comprising (a) a synthetic resin as a binder to form the matrix phase of the coating layer, (b) particles of a synthetic resin having an average particle diameter in the range from 15 to 50 .mu.m dispersed in the matrix phase, and (c) particles of carbon having an average particle diameter not exceeding 2 .mu.m dispersed in the matrix phase.

Abstract: A control unit for controlling the hydraulic system of a construction machine, such as a hydraulic shovel, having a structure capable of being simply and quickly changed from one setup for another setup suitable for a desired mode of control operation. The control unit comprises a control lever pivotally supported for movement in longitudinal and transverse directions, and first and second link rods for transmitting the operating force of the control lever to first and second hydraulic control valves when the control lever is shifted in the longitudinal and transverse directions, respectively. An operating force transmitting member is put on the control lever so as to be rotatable about the axis of the control lever, and a locking member is mounted on the control lever so as to be slidable along the axis of the control lever and so as to be unable to rotate relative to the control lever.