focussing eyepiece
1optics — /op tiks/, n. (used with a sing. v.) the branch of physical science that deals with the properties and phenomena of both visible and invisible light and with vision. [1605 15; < ML optica < Gk optiká, n. use of neut. pl. of OPTIKÓS; see OPTIC,… …
2Optical microscope — Microscope Uses Small sample observation Notable experiments Discovery of cells Inventor Hans Lippershey Zacharias Jans …
3ГОСТ 28489-90: Микроскопы световые. Термины и определения — Терминология ГОСТ 28489 90: Микроскопы световые. Термины и определения оригинал документа: Linear field of a microscope in the object space 43 Определения термина из разных документов: Linear field of a microscope in the object space 3.… …
Словарь-справочник терминов нормативно-технической документации
4Camera — For other uses, see Camera (disambiguation). Various cameras A camera is a device that records and stores images. These images may be still photographs or moving images such as videos or movies. The term camera comes from the camera obscura… …
5Viewfinder — This article is about the definition. For the short story by Raymond Carver, see Viewfinder (short story). A viewfinder for Bronica ETR series medium format cameras. The dial is used to configure the built in light meter. In photography, a… …