Four element microscope objective

Details Four element microscope objective Four element microscope objective

G - Physics

02

B

88/108

G02B 9/10 (2006.01) G02B 11/20 (2006.01) G02B 21/02 (2006.01)

Patent

CA 1058437

FOUR ELEMENT MICROSCOPE OBJECTIVE ABSTRACT OF THE DISCLOSURE A four element microscope objective has a predetermined magnification and a numerical aperture of substantially 0.10. The microscope objective provides correction for the usual chromatic aberrations as well as spherical aberrations come, ast?gmation and a substantially flat image field over a 24mm field when used with a telescope objective as described in U.S. Patent No. 3,355,234 and a typical 10X eyepiece.

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