(under subclass 570) Apparatus wherein the structure to withstand or otherwise obstruct impact carries the weight of the converting means and is designed to permit physical adjustment of the converting means. [figure] [caption]A solar concentrator is disclosed herein and includes a modularized point focusing solar concentrating panel which is movably mounted to track the sun. This panel has an overall parabolic reflecting surface and a triangular or approximately triangular configuration which improves structural integrity, minimizes wind resistance, and permits rapid and easy stowing.