Camera with automatic light adjusting device
AssigneeNikon Corporation
InventorTadao Takagi
Life of this patent
Estimating the term…
Abstract
A camera provided with an automatic light adjusting device comprises a flash apparatus for performing a preliminary flash before a main flash, a light metering device for at least metering a light which is emitted from the flash apparatus and reflected by a photographic field, a light metered value correcting device for correcting a light metered value upon the preliminary flash by eliminating a component of stationary light excluding the light emitted from the flash apparatus and reflected by the photographic field, from the light metered value upon the preliminary flash which is metered by the light metering device, and a light adjusting device for adjusting the main flash of the flash apparatus based on the light metered value corrected by the light metered value correcting device.
Claims6
A camera provided with an automatic light adjusting device for adjusting a flash apparatus which performs a preliminary flash before a main flash, comprising:
- a flash apparatus for performing a preliminary flash before a main flash;
- light metering means for at least metering a light which is emitted from said flash apparatus and reflected by a photographic field;
- light metered value correcting means for correcting a light metered value upon said preliminary flash by eliminating a component of stationary light excluding the light emitted from said flash apparatus and reflected by said photographic field, from the light metered value upon said preliminary flash which is metered by said light metering means;
- and
- light adjusting means for adjusting the main flash of said flash apparatus based on said light metered value corrected by said light metered value correcting means.
Dependencies are inferred from the claim text.