Moved up and down to bring the specimen in focus.
---Co0lets24
to hold the eyepiece
Its function is to keep the eyepiece in place
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The draw tube in a compound microscope allows the user to adjust the distance between the eyepiece and the objective lens to achieve proper focus. This adjustment helps to ensure that the specimen being observed is in sharp focus for clear viewing.
The draw tube in a microscope helps adjust the distance between the eyepiece and the objective lenses, which affects the magnification and focus of the specimen being viewed. By moving the draw tube up or down, users can fine-tune the clarity and size of the image.
draw tube holds the eyepiece or the ocular
A micropipette will draw up very small amounts, much smaller than a normal one will
A TSH blood draw typically goes into a lavender or purple-top tube containing an EDTA anticoagulant. This tube is used for testing thyroid-stimulating hormone (TSH) levels as part of thyroid function tests.
A draw tube in a microscope is used to adjust the distance between the eyepiece and the objective lenses, allowing for better focus and clarity when viewing specimens. By extending or retracting the draw tube, users can optimize the distance to suit their eye's focal length, improving the overall viewing experience.
red tube
it supports the upper part of the microscope where the eyepiece, draw tube , body tube and the objectives is placed .
What color tube for blood draw for metal