Three element eyepiece with magnification of 12x

Details Three element eyepiece with magnification of 12x Three element eyepiece with magnification of 12x

G - Physics

02

B

88/99

G02B 21/02 (2006.01) G02B 9/12 (2006.01) G02B 25/00 (2006.01)

Patent

CA 1047811

ABSTRACT OF THE DISCLOSURE A three element 12X eyepiece has an apparent field of view of about 51.3° and a maximum exit pupil diameter of substantially 1.25mm. The eyepiece has three lens elements aligned along an optical axis extending from the focal plane of said eyepiece to provide a Petzval radius of 1.60F and eye-relief of 0.89F.

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