As filed with the Securities and Exchange Commission on August 18, 2023. Registration Statement No. 333-273346 UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 Amendment No. 1 to FORM S-1/A REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 PRECISION OPTICS CORPORATION, INC. (Exact name of registrant as specified in its charter) (State or other jurisdiction of incorporation or organization) Massachusetts 3845 04-2795294 (Primary Standard Industrial Classification Code Number) (I. ...