单词	focimeter
释义	Focimeter Fo`cim´e`ter n. 1. (Photog.) An assisting instrument for focusing an object in or before a camera. focimeter lens·om·e·ter (lenz-om'ĕ-tĕr), An instrument to measure the power and cylindric axis of a spectacle lens. Synonym(s): focimeter, vertometer [lens + G. metron, measure] focimeter An optical instrument for determining the vertex power, axis direction and optical centre of an ophthalmic lens (Fig. F8). The instrument can be either manual or automated. Syn. Lensometer (a tradename); vertexometer; Vertometer (a tradename). See lens measure; neutralization; back vertex power." >Fig. F8 Focimeter (Shin Nippon)
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