曝光时使用不同滤色镜即可获得影像反差不同的照片。

By exposing under different light filters, photographs with different image contrast can be obtained.

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为了避免在冲洗高反差负像影像过程中产生银的沉积，形成银渣，可采用下列四项措施，效果良好：1采用主显影剂；

For preventing the formation of silver mud sedimented during the processing of hi -contrast negative image, the following four measures are useful and effective:1. using principal developing agents;

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洲立的VCD的影像质素向来都很好，不论反差、光度及颜色都差不多是VCD中最好的。

IVL's VCD's quality has been good. All the contrast, brightness, and color are almost the best that you can get from VCDs.

youdao

洲立的VCD的影像质素向来都很好，不论反差、光度及颜色都差不多是VCD中最好的。

IVL's VCD's quality has been good. All the contrast, brightness, and color are almost the best that you can get from VCDs.

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