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Meaning of spot lens | Babel Free

Noun CEFR B2

Definitions

A condensing lens in which the light is confined to an annular pencil by means of a small, round diaphragm (the "spot"), and used in darkfield illumination.

CEFR level

B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.

See also

spot market spot of bother spot on spot prawn spot price spot prize

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