價格：免費
更新日期：2017-09-18
檔案大小：15.5 MB
目前版本：2.0
版本需求：需要 iOS 8.0 或以上版本。與 iPhone、iPad 及 iPod touch 相容。
支援語言：英語
Reciprocity easily calculates exposure settings for great pictures every time. Great for anyone, from beginners to seasoned photographers.
Features:
* Instantly calculate Exposure value, ISO speed, Aperture, or Shutter Speed
* Enter values either directly or via a slider
* Option to choose Exposure value from a list of common scenes
* Convert exposure settings between different cameras or film speeds
* Save the reciprocity failure values of multiple films for future use
* Round exposure stop values to 1/2, 1/3 or both
* Built-in timer for exposure longer than 2 seconds
* Detailed user guide to help beginners make use of their camera's manual settings
支援平台：iPhone, iPad