OppenheimerFunds, Inc.
                          Two World Financial Center
                        225 Liberty Street, 11th Floor
                           New York, NY 10281-1008


Nancy Vann
Vice President &
Assistant Counsel

December 29, 2005

VIA EDGAR

Securities and Exchange Commission
Mail Stop 0-7, Filer Support
6432 General Green Way
Alexandria, VA 22312

      Re:   Oppenheimer Capital Appreciation Fund (the "Registrant")
            Reg. No. 2-69719; File No. 811-3105
            EDGAR Filing of Registration Statement

To the Securities and Exchange Commission:

      Pursuant to Rule 497(j) under the Securities Act of 1933, as amended,  I
hereby  represent  that,  with  respect to the  Prospectus  and  Statement  of
Additional Information of the Registrant,  dated December 28, 2005, no changes
were  made to the  Prospectus  and the  Statement  of  Additional  Information
contained in Post-Effective Amendment No. 50 to the Registrant's  Registration
Statement on Form N-1A,  which was filed  electronically  with the  Securities
and Exchange Commission on December 23, 2005.

                                   Sincerely,

                                   /s/ Nancy Vann
                                ------------------------------------
                                   Nancy Vann
                                   Vice President &
                                   Assistant Counsel
                                   212.323.5089
                                   nvann@oppenheimerfunds.com

cc:  Mayer, Brown, Rowe & Maw LLP
     KPMG LLP
     Gloria LaFond