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The use of 100X oil immersed objective lens
When using an oil immersed objective lens, it is generally not recommended to use the same height focusing method. This article is organized by an inv
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The use of oil immersed objective lenses
This article is organized and provided by an inverted microscope
This article is organized and provided by an inverted microscope
When using oil immersed objective lenses, it is generally not recommended to use same height focusingSame height focusing is only applicable to the original objective lens of each microscope. It is an extremely advantageous and convenient condition when using low magnification and high magnification objectives. However, when using oil immersed objectives, there are certain limitations. Generally speaking, when observing specimens (slides) without cover glass with oil, using same height focusing is safer. However, for specimens with cover glass, caution should be taken when using it because the working distance of oil immersed objectives is very short, and the same height considered in design and assembly is for standard thickness cover glass.
When using an oil immersed objective lens, only drop tar onto the specimen slideAfter observation, cleaning work should be carried out in a timely manner. If not done in a timely manner, the cedar oil will stick to dust, and the dust particles may wear down the lens when wiping. The cedar oil will become thick and dry after being exposed to the air for a long time, making wiping difficult and detrimental to the instrument. Wipe carefully and move gently. The front end of the oil immersed objective lens should be wiped once or twice with dry wiping paper to remove most of the oil, then wiped twice with wiping paper moistened with xylene, and finally wiped once with dry wiping paper. The cedarwood oil on the specimen slide can be wiped clean using the "paper pulling method" (that is, a small piece of lens wiping paper is placed on top of the cedarwood oil, and then some xylene is dropped on the paper. While it is wet, the paper is pulled outwards for three or four consecutive times to clean it, which generally does not damage the smear specimen without a cover slip). Mirror cleaning paper should also be dust-proof. Generally, before use, cut each page into8Small pieces, stored in a clean petri dish, are both economical and convenient to use.Technical extension, welcome to log in:
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