Biological Drawing Magnification. Convert to µm multiply by 1000. From a biological specimen a micrograph or a slide.
This drawing was done using the 10 x objective 2. It can be calculated as follows Magnification length of drawing length of specimen. A low power magnification is used to show the arrangement of cells in a tissue.
This equates to 70 mm or 70000µm.
This may be achieved either by direct measurement where the specimen is handy and on the table or calculated mathematically when microscope observation is involved. Important things to remember. This will give you the comparative size of your drawing to that of the original specimen. The latter may include annotation.