Reciprocity for iPhone
Publisher's Description
From Scott Lagaly:
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
