英语词汇“microprism”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

microprism

/ˈmʌɪkrə(ʊ)ˌprɪz(ə)m/

noun [usually as modifier]

An area of the focusing screen of some reflex cameras which is covered with a grid of tiny prisms and splits up the image when the subject is not in focus.An array of lenticular microlenses may be positioned to accept the output of the microprisms so that the light exiting from the microlenses is a substantially collimated light source....

Plain screens are available without the central split-image and microprisms, and these are suitable for × 1 to about × 4.
Be careful to position your eye in the center of the finder to be able to see all the microprisms; some will black out if your eye is uncentered.

单词	microprism
释义	microprism /ˈmʌɪkrə(ʊ)ˌprɪz(ə)m/ noun [usually as modifier] An area of the focusing screen of some reflex cameras which is covered with a grid of tiny prisms and splits up the image when the subject is not in focus.An array of lenticular microlenses may be positioned to accept the output of the microprisms so that the light exiting from the microlenses is a substantially collimated light source.... Plain screens are available without the central split-image and microprisms, and these are suitable for × 1 to about × 4. Be careful to position your eye in the center of the finder to be able to see all the microprisms; some will black out if your eye is uncentered.
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