ar gives somewhat the betterimage, and it is taken as the standard. The person looking through thatfocuses the microscope, and for his own eye. In case the focus is notquite perfect for the one looking into the lateral tube it can be easily per-fected by using the telescoping arrangement with the… … Leitz Double Demonstration Ocular Explanation of the figure.—Just above the diaphragm of the ocular isan isosceles prism (I) with angles of 35°, 35° and 110°. Just above thisis a right angled prism (II) with angles of 35°, 55° and 90°. These twoprisms are almost in contact. About two thirds of the…
Microscopy
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