axis c.l~- axis … Figs. 1-9, Shoiving the Principal Optic Axis and the Optical Center ofvarious forms of Lenses. Axis. The Principal Optic Axis, c-c. Centers of curvature of the tivosurfaces of the lens. c. I. Optical center of the lens. r-r. Radii of curva-ture of the tivo lens snrfaces. t-t. Tangents in Fig. 4.…
Microscopy
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