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Телеобъектив микроскопа, в особенности, металлографического, отличающийс тем, что, с целью получени малых увеличений в светлом поле, он снабжен вторым положительным компонентом, обращенным к исследуемой поверхности и служащим дл направлени главных лучей, освещающих предмет (пучков), перпендикул рно поверхности его.A telephoto lens of a microscope, especially metallographic, is characterized in that, in order to obtain small magnifications in a bright field, it is provided with a second positive component facing the surface under investigation and serving to direct the main rays illuminating the object (beams) perpendicular to its surface.
SU1047A1940-09-141940-09-14
Microscope telephoto lens, especially metallographic
SU61691A1
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