The overall magnification of the microscope is - 570.687.
A microscope is a laboratory tool used to have a look at items which can be too small to be seen with the aid of the bare eye. Microscopy is the technology of investigating small objects and structures through the use of a microscope. The microscopic approach is invisible to the attention unless aided by using a microscope.
The focal length of a microscope objective is generally between 2 mm and 40 mm. but, that parameter is regularly considered as less important, on account that magnification and numerical aperture are sufficient for quantifying the critical performance in a microscope.
Calculation:-
M = -(L/f) (near point/Fe)
M = - (0.176/0.003)(0.25/0.0257)
M = - 570.687
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