Privacy Policy
LensCalc for Photographers / 摄影师镜头计算
Last updated: May 14, 2026
隐私政策
LensCalc for Photographers 是一款摄影计算工具，用于在设备本地计算景深、超焦距、等效焦距和主体画面范围等参数。
我们收集的数据
本 App 不收集、存储、上传、出售或分享任何个人数据。你在 App 中输入的相机、镜头、光圈、焦距、距离和预设等信息仅保存在你的设备上，用于提供本地计算和显示结果。
网络与第三方服务
本 App 的核心功能不需要账户登录，也不依赖云端服务。App 中可能包含指向项目主页或支持页面的外部链接。当你选择打开这些链接时，相关网站可能会按照其自身隐私政策处理访问数据。
分析、广告与追踪
本 App 不包含第三方广告 SDK，不进行跨 App 或跨网站追踪，也不会将数据用于广告投放。Apple 可能会根据用户的系统设置向开发者提供汇总的崩溃或性能信息，这些信息不用于识别个人用户。
儿童隐私
本 App 不面向儿童收集个人信息，也不会有意收集儿童的个人数据。
政策更新
如果未来 App 的功能或数据处理方式发生变化，我们会更新本隐私政策，并在本页面标明新的更新日期。
联系我们
如果你对本隐私政策有任何问题，可以通过 App Store 产品页面或项目支持页面联系我们。
Privacy Policy
LensCalc for Photographers is a photography calculation tool for depth of field, hyperfocal distance, equivalent focal length, and subject-frame coverage. Its core calculations run locally on your device.
Data We Collect
The app does not collect, store, upload, sell, or share any personal data. Camera, lens, aperture, focal length, distance, and preset values entered in the app remain on your device and are used only to provide local calculations and display results.
Network and Third-Party Services
The core features of the app do not require an account and do not depend on a cloud service. The app may include external links to the project homepage or support page. If you choose to open those links, the websites you visit may process access data according to their own privacy policies.
Analytics, Advertising, and Tracking
The app does not include third-party advertising SDKs, does not track you across apps or websites, and does not use data for advertising. Apple may provide developers with aggregated crash or performance information according to the user's system settings. This information is not used to identify individual users.
Children's Privacy
The app does not collect personal information from children and does not knowingly collect children's personal data.
Changes to This Policy
If the app's features or data practices change in the future, this privacy policy will be updated and the new update date will be shown on this page.
Contact Us
If you have any questions about this privacy policy, you can contact us through the App Store product page or the project support page.