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because the coarse focous is blah blah i dont know free wezzy
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∙ 13y ago
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What is the difference between the course and fine adjustment knob?
The difference is in the gearing of the knobs. A big movement of the fine knob is equivalent to a small movement of the coarse knob.
What are the adjustment knobs on the microscope used to change focus?
the big knob is called the coarse adjustment knob and the smaller one is the fine adjustment knob coarse does a large scale focus, fine does such small scale focus you can only see a difference in how the (item under microscope) looks. You don't see the stage / nosepeice move up or down.
Why is the fine adjustment knob important?
It depends on what device it is to be used on? Basically, a coarse adjustment knob is used to get near (for example) a radio frequency. Then a fine adjustment knob is used to fine tune to the radio station. A microscope is another example where fine tuning is used to focus onto a specimen.
What are the steps used to focus a microscope on high power?
First focus the microscope on the lowest objective using first the coarse djustment knob and then the fine adjustment knob. Once you have it in focus, move on and do the same for the next highest objective. Continue this process until you reach the highest objective and focus it in the same fashion.
Why cant the coarse adjustment knob be used on high power lenses?
The coarse adjustment knob is used for making major changes to the focus, and is therefore too inaccurate to use at high powers, where only a very fine adjustment can drastically change the clarity of the picture you see.
What is the difference between coarse and fine grain?
Coarse is ruff/hard, and fine grain is smooth/ soft!
What is the difference between fine-grain and coarse-grain?
Coarse is ruff/hard, and fine grain is smooth/ soft!
What is the difference between coarse-grained and fine-grained?
Fine grained has larger crystals and coarse grained has smaller crystals
What is the difference between fine-grained and coarse-grained?
Fine grained has larger crystals and coarse grained has smaller crystals
The coarse and fine focus knobs adjust the distance between what?
the stage and the objective lens
Describe the textural difference between coarse-grained phaneritic and fine-grained aphaneritic rocks?
describe the textural difference between coarse-grained (phaneritic) and fine-grained (aphaneritic) rocks
Difference between coarse pearlite and fine pearlite?
coarse pearlite structure has better ductility and toughness compared to fine pearlite structure but fine pearlite structure has better strength compared to coarse pearlite structure.
What knob controls the adjustments of focus?
it could be either coarse or fine knob. coarse knob is used to focus image at higher magnification, while fine knob is used to focus on lower magnification
What does the coarse focus knob on a microscope do?
The coarse focus on a microscope is provided to move the instrument quickly to where it is nearly in focus. Some microscopes only have a coarse focus. The fine focus is used to move with slower and more precise adjustment to where the instrument is exactly in focus.
What structures on the microscope will you used to focus on your specimen?
First use the coarse focus followed by the fine focus.
What is difference between unc tap and unf tap?
unc is coarse, unf is fine pitch
What is the difference between the course and fine adjustment knob?
The difference is in the gearing of the knobs. A big movement of the fine knob is equivalent to a small movement of the coarse knob.
