At the Limit of Diffraction . ... If you could, you would see a sharp view that was diffraction limited . Unaffected by atmospheric blurring that ultimately plagues earthbound observers, the angular resolution of your diffraction limited view would be determined only by the wavelength of light and diameter of the telescope lens or mirror; the larger the diameter, the sharper the image. ... NASA Web Site Statements, Warnings, and Disclaimers . NASA Official: Jay Norris. ...