Web Accessibility - Legacy Page

This page has been identified as older than June 1, 2014. Per MSU's Web Accessibility agreement with the Office for Civil Rights, content that has not been updated since this date is considered "legacy" and does not need accessibility errors remediated.

If you make edits to this page and republish it, you will need to correct any accessibility errors that exist - all MSU web pages created or updated past June 1, 2014 are required to meet our current Web Accessibility standards. Visit our help center article on working with legacy web pages and content for more information.

  • Version 1
  • An arrow placed near a large lens is transmitted upright, while a distant arrow is inverted.

         (put arrow stands on 2x4)
         (place rear arrow behind front arrow 75 cm from lens)

  • Version 2
  • A 50 mm lens can be passed around to allow students to recreate the phenomenon.

         (clean lens before storage)