Biology A-Level
Correct microscope set-up and focusing sequence
What Correct microscope set-up and focusing sequence means in Biology A-Level, as defined for OCR.
Definition of Correct microscope set-up and focusing sequence
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Read the wording for your board, then hide it and explain Correct microscope set-up and focusing sequence in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
Begin on low power to locate and focus the specimen using the coarse focus, then switch to the high-power objective and refocus with the fine focus only.
Topics that use Correct microscope set-up and focusing sequence
- Use of apparatus and techniques (OCR A-Level)
Related terms
- Accuracy of observation transferred to paper
- Accurate reading of scales and menisci
- Annotation as recorded evidence
- Apparatus selection
- Calibration of the eyepiece graticule
- Clarity and convention in biological drawing
- Colorimetry and calibration
- Computer modelling
Using Correct microscope set-up and focusing sequence in the exam
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