G - Physics – 02 – B
Patent
G - Physics
02
B
G02B 27/00 (2006.01) G02B 27/02 (2006.01) G02B 27/44 (2006.01)
Patent
CA 2118031
An optical instrument is described in which a diffractive element (25) is located at a focal or image plane (3) of the instrument and the diffractive element (25) is effective to produce an array (6) of a plurality of exit pupils at a viewing position for the instrument and thereby to form an enlarged exit pupil for the instrument.
Fetherstonhaugh & Co.
Freeman Robin John
LandOfFree
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