Thank you for your interest in the "Basic Specifications" for Sony's "E-mount" for interchangeable single lens cameras.
Applying for "E-mount" Basic Specification License

Before filing application, please read the "Conditions And Limitations" and "Application Procedure" below.
  • Conditions And Limitations*1
    • You may use the Basic Specifications for lenses and/or mount adopters only, NOT for manufacturing, selling or otherwise disposing of other products.
    • Disclosure is made only to legal entities which satisfy the qualification criteria predefined by Sony, as a licensee of the Basic Specifications. Application from individuals will be declined.
    • Application must be written either in ENGLISH or in JAPANESE. (The Basic Specifications to be provided by Sony are either in English or in Japanese only.)
    • There will not be any license fees required for the license. However, a part of expenses related to distribution of the Basic Specifications will be charged to the applicant.

    *1 Sony may change the conditions herein at its sole discretion.

  • Application Procedure
  • Download Link for Non-Disclosure Agreement Form

Inquiries regarding Application for Basic Specifications License*2

Use the Inquiry form provided at If you have any questions regarding disclosure of the Basic Specifications, please download and fill in the form as appropriate and send it to the Inquiry & Admission Office by post.

*2 As disclosure is made only to legal entities, we will not accept inquiries from individuals.

Address of Inquiry & Admission Office

Sony Imaging Products & Solutions Inc.
HQ Building 10F
1-7-1 Konan, Minato-ku, Tokyo, 108-0075 Japan
Inquiry & Admission Office for "E-mount" Basic Specification Disclosure