Photographic system having soft focus function

Details Photographic system having soft focus function Photographic system having soft focus function

1986-11-03

1989-05-02

Corbin, John K.

350450, 354400, 354408, G02B 1320, G03R 1318

Patent

active

048263010

ABSTRACT:
A photographic objective having a soft focus function comprising, from front to rear, a first lens component of positive power, a second lens component having a meniscus-shaped lens of forward convexity, an aperture stop, and a third lens component, the second lens component being axially movable for the purpose of producing a soft focus effect, and a technique of compensating for the image shift resulting from the movement of the soft focus-introducing lens component by automatically readjusting the position of the focusing lens component, are disclosed.

REFERENCES:
patent: 4124276 (1978-11-01), Okano et al.

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