So even though this microscope has never actually seen its full price of $800 in maybe ever, the price of $90 is still a good ...

UV-Vis-NIR reflectance spectra (250 to 1000 nm) were obtained using a 10× UV-absorbing glass objective lens, with a minimum of five replicates per sample ... and examined the imaging under white or UV ...

image quality is affected by both scattering in the biological medium and by an index-of-refraction mismatch between the tissue and the water/oil on which the microscope objective is optimized.

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该系列仪器是在带图像分析自动转塔数显维氏硬度计基础上，增加X－Y自动步进工作台的控制，直接对硬度计进行控制和数据通讯，包括物镜与压头自动转换，设定控制自动加荷加载，单个压痕或连续多个压痕，设定步进距离，步进移动的模式，步进移动步长 ...