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Mechanical device of microscope - focusing device
The mechanical device of a microscope is an important component of a microscope
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Mechanical device of microscopeIt is an important component of a microscope. Its function is to fix and adjust optical lenses, fix and move specimens, etc. It mainly consists of a mirror holder, a mirror arm, a stage, a lens barrel, an objective lens converter, and a focusing device.
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（5） Focusing device
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（4） Objective lens converter
The objective lens converter is fixed at the lower end of the lens barrel and has 3 components—Four spiral ports of the objective lens should be arranged in order of magnification.
When rotating the objective lens converter, hold the rotating disc with your fingers and do not push the objective lens with your fingers, as it can cause the optical axis to tilt over time, resulting in poor imaging quality.
When rotating the objective lens converter, hold the rotating disc with your fingers and do not push the objective lens with your fingers, as it can cause the optical axis to tilt over time, resulting in poor imaging quality.
（5） Focusing device
The microscope is equipped with coarse and fine focus helices. Some microscopes have coarse focus spirals mounted on the same axis, with large spirals being coarse focus spirals and small spirals being fine focus spirals; Some are separated and placed separately. The pair of larger spirals located at the upper end of the mirror arm are coarse focus spirals, which rotate once and raise or lower the lens barrel by 10mm.
The smaller pair of spirals located below the coarse focus spiral are called fine focus spirals, which rotate once and have a lifting value of0.1mmThe fine focus spiral focusing range is not less than1.8mm.【7-29]
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The smaller pair of spirals located below the coarse focus spiral are called fine focus spirals, which rotate once and have a lifting value of0.1mmThe fine focus spiral focusing range is not less than1.8mm.【7-29]
Technical extension, welcome to log in:
&bid=26
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