“focal length factor of photographic lens”的概念、定义、翻译、参考文献-科学参考

单词	focal length factor of photographic lens
释义	focal length factor of photographic lens Encyclopedia 艺术学镜头参数释 focal length factor of photographic lens摄影镜头焦距系数当机位确定后，欲获得相同的拍摄范围（景别），非全画幅数字照相机所用摄影镜头的实际焦距值，折算成全画幅摄影镜头的等效焦距值时的折算倍率。又称焦距换算系数、焦距折算系数。
随便看	rare earth iodide rare earth ion exchange chromatography separation rare earth ion exchange separation rare-earth-iron garnet rare earth laser material rare earth laser materials rare-earth laser materials rare earth liquid-membrane extraction separation and enrichment rare earth magnetic materials rare earth metal rare-earth metal rare-earth metal catalyst rare earth metal ore deposit rare earth metal refining rare earth metals metallurgy rare earth molten salt electrolysis rare earth molten salt electrolysis in chlorides rare earth molten salt electrolysis in fluorides rare earth nitrate rare earth oxalate rare earth oxidation-reduction separation and purification rare earth oxide rare earth oxides rare earth oxides lanthanum thermal reduction rare earth perchlorate

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