Optical filter suitable for portrait photography

Details Optical filter suitable for portrait photography Optical filter suitable for portrait photography

1982-01-18

1984-11-06

Corbin, John K.

350439, G02B 520, G02B 1320

Patent

active

044808968

ABSTRACT:
An improved soft focus optical filter is provided and comprises a plurality of effective filter areas on a transparent substrate. The filter areas are designed specifically to modify the modulation transfer function of the filter so that a selective soft focus effect is achieved only for transmitted green light.

REFERENCES:
patent: 1627892 (1927-05-01), Frederick
patent: 2959105 (1960-11-01), Sayanagi
patent: 3833288 (1974-09-01), Nilsson
patent: 3900249 (1975-08-01), Tsunashima et al.
patent: 4124276 (1978-11-01), Okano et al.
patent: 4329023 (1982-05-01), Harrison et al.

Affiliated with

Also associated with

Rating

Optical filter suitable for portrait photography does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Optical filter suitable for portrait photography, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Optical filter suitable for portrait photography will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1039844