His main lights were Arri tungstens, without the Fresnel lenses that cinematographers often use as broad spots.
拍摄时的主光是Arri钨丝灯，摄影师没有使用电影摄影师经常使用的菲涅耳镜头。
A method of photo-mask lithography for fabrication of micro Fresnel lenses Arraywas presented in this paper.
本文介绍用制版的方法制作的微菲涅耳透镜列阵及其成像实验。
Dr Yabe's trick is to use relatively small Fresnel lenses-transparent and relatively thin planar lenses made up of concentric rings of prisms.
Yabe博士的诀窍是使用比较小的菲涅尔透镜——棱镜同心环构成的透明较薄的平面透镜。
Fresnel lenses with concentric rings are widely used in optical applications, however a similar principle can be used to focus acoustic waves.
菲涅耳透镜在光学中很常用，而利用相同的原理可以汇聚声波。
Using new technologies of static pressure bearing, static pressure guide and gas bearing, the mold of Fresnel lenses mirror was precisely manufactured.
采用静压主轴、静压导轨、气浮轴承等高新技术，对菲涅尔透镜模具进行精密加工。
A volume phase and off-axis holographic Fresnel lenses was developed for matching the corresponding solar cells with different band gaps. The conversion efficiency of energy increased by two times.
用激光制作了离轴体积位相全息菲涅耳透镜，并把它们和相应的具有不同能带隙的太阳电池匹配，其能量转换效率提高了两倍。
Refinements in lenses (e. g. , the Fresnel lens) and reflectors made it possible to substantially increase the light's intensity.
而利用透镜和反光镜的辅助设备可使灯光强度倍增。
Refinements in lenses (e. g. , the Fresnel lens) and reflectors made it possible to substantially increase the light's intensity.
而利用透镜和反光镜的辅助设备可使灯光强度倍增。
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