Nova Patents
EP1069767A3

Quantity-of-light adjusting apparatus

Abstract

In a quantity-of-light adjusting apparatus having an iris (503) and an ND filter (502) which limit incident light, a control method for the quantity-of-light adjusting apparatus, and a computer program product providing a control program for the quantity-of-light adjusting apparatus, a state of limitation of the incident light by the iris is changed at a first changing speed, and, when a state of limitation of the incident light by the ND filter is changed, the state of limitation of the incident light by the iris is changed at a second changing speed different from the first changing speed.

EP1069767A3, drawing sheet 1
Sheet 1 of 1

Term

Term ended

Projected expiry passed 12 July 2020, 6.2 years ago.

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