Watch for calculating photographic exposure and storage medium

By setting the rotatable bezel and dial on the watch, the photographer can quickly determine the component settings of the exposure triangle, solving the inconvenience problem of photographers when calculating exposure and achieving simple and efficient exposure control.

CN120295082APending Publication Date: 2025-07-11胡安·卡洛斯·马丁内斯
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Patent Information

Application Number
CN202410407186.6
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Priority Date
2023-10-10
Filing Date
2024-04-07
Publication Date
2025-07-11

AI Technical Summary

Technical Problem

Photographers need a quick and easy way to obtain appropriate photographic exposure when calculating component settings of exposure triangles, and prior art often relies on finding charts or references, which are time-consuming and inconvenient.

Method used

It provides a watch that calculates photographic exposure. The watch is equipped with a rotatable bezel and a dial. The dial is marked with the camera aperture value and ISO speed. By rotating the bezel, the ISO speed reference indicator is aligned with the shutter speed value, and the appropriate exposure settings are directly read.

Benefits of technology

The settings for the exposure triangle assembly are achieved quickly and easily, ensuring that the camera takes photos with appropriate exposure without looking for charts, improving photography efficiency.

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Abstract

A watch for calculating photographic exposure and a storage medium are disclosed in which the watch provides a method of calculating an appropriate camera shutter speed and aperture setting at a given ISO speed setting to obtain settings that would result in an appropriate photographic exposure when input into a camera in the watch. The equipment provided by the invention provides a simple, quick and convenient method for calculating the proper setting of each constituent part of the photographic exposure triangle.
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