lens holder
31Cataract surgery — Intervention Cataract in Human Eye Magnified view seen on examination with a slit lamp ICD 9 CM …
32Digital camera — Digicam redirects here. For the military camouflauge method using micropatterns, see Military camouflage#Digital camouflauge. A digital camera (or digicam) is a camera that takes video or still photographs, or both, digitally by recording images… …
33Circle of confusion — For the closely related topic in microscopy, see Point spread function. In optics, a circle of confusion is an optical spot caused by a cone of light rays from a lens not coming to a perfect focus when imaging a point source. It is also known as… …
34Group f/64 — was a group of famous San Francisco photographers who espoused a common philosophy and photographic style. The group was created in 1932, and it is usually listed as including: * Ansel Adams+ * Imogen Cunningham+ * John Paul Edwards+ * Consuelo… …
35Monorail camera — Monorail cameras are the studio workhorses that are still used today in the digital photography age to make many of the images for catalogs, magazines, and advertising around the world. They are usually both heavy and bulky, but have the major… …
36performing arts — arts or skills that require public performance, as acting, singing, or dancing. [1945 50] * * * ▪ 2009 Introduction Music Classical. The last vestiges of the Cold War seemed to thaw for a moment on Feb. 26, 2008, when the unfamiliar strains …
37Copyright — Copyrighting redirects here. For the use of words to promote or advertise something, see Copywriting. Copyrights redirects here. For Wikipedia policy about copyright issues, see Wikipedia:Copyrights. Intellectual property l …
38Hyperbola — This article is about a geometrical curve, a conic section. For the term used in rhetoric, see Hyperbole …
39Aperture — For other uses, see Aperture (disambiguation). f stops demonstrated on a lens …
40Rangefinder camera — A Foca camera of 1947 at the Musée des Arts et Métiers in Paris. A rangefinder camera is a camera fitted with a rangefinder: a range finding focusing mechanism allowing the photographer to measure the subject distance and take photographs that… …
