The photographer waves at his giant reflection as he stands near the focus of this multiple-element telescope in Tucson, Ariz. Joseph Shaw, Bozeman, Mont.
01 Jan 2007
Natural optical phenomena at Yellowstone Lake, including a glitter pattern from specular sun reflections and a parhelion from sunlight reflected and refracted in ice crystals. Joseph Shaw, Bozeman, Mont.
Boston Harbor, November 2006. The lights are from the bridge, buildings and boats. Wei Gao, Marlborough, Mass.
Image of the focal plane of a flat-top microlens diffuser projected with a lens and illuminated with a helium-neon laser. Osvaldo Buccafusca, Fort Collins, Colo.
An image created with a HeNe laser and a prism. The only digital manipulation was to repair scratches and adjust contrast. Osvaldo Buccafusca, Fort Collins, Colo.
A three-wavelength laser on an optical bench is used to turn a strong positive single lens with its plane surface towards the laser. Klaus Biedermann and G�ran Manneberg
Glass bowl from Murano, Italy, illumiinated by beam of sunlight. Samuel Pellicori
Moons: 200 X details of Ge/ZnS coating defects. Samuel Pellicori
Bush pattern caused by stress failure of a DLC coating on ZnS substrate. Samuel Pellicori