Optics Problem #3 - A hidden optical element .. what kind?

Unknown #1 An object, show as an arrow, is located to the left of an unknown optic element, shown as a red line.  Describe the optic element. [Note, you can't change the height of the object but, you can drag it sideways (click the arrow tip to "enable" it).] Refresh Unknown #1 (if "corrupted" or red line is missing)


Unknown #2An object, show as an arrow, is located to the left of an unknown optic element, shown as a red line.  Describe the optic element. [Note, you can't change the height of the object but, you can drag it sideways (click the arrow tip to "enable" it).] Refresh Unknown #2 (if "corrupted" or red line is missing)