Title:
REFLECTION/REFRACTION LENS SYSTEM
Document Type and Number:
Japanese Patent JPS52155549
Kind Code:
A
Abstract:
PURPOSE: To produce a compact reflection/refraction lens system which is easy to construct, by performing forousing operation with the forward lens group.
More Like This:
Inventors:
MOMIYAMA KIKUO
Application Number:
JP7169676A
Publication Date:
December 24, 1977
Filing Date:
June 19, 1976
Export Citation:
Assignee:
CANON KK
International Classes:
G02B17/08; (IPC1-7): G02B9/62; G02B17/08