Basic Try the Iris Calculator, and get acquainted with mechanical iris diaphragm design. Operate the iris Dimensions calculated Component layer control Price: Free First Name: First Name Required Last Name: Last Name Required Sign-up to Newsletter Email:* Invalid Email Password:* Invalid Password Password Confirmation:* Password Confirmation Doesn't Match Password Strength This site collects names, emails and other user information. I consent to the terms set forth in this Privacy Policy Please fix the errors above