Sunny 16 rule calculator
On sunny day at f/16, shutter ≈ 1/ISO
About this tool
Sunny 16 rule calculator is a single-purpose utility on instant.tw, a free toolbox of calculators, converters, generators, and quick lookups. Everything works in your browser — nothing is uploaded, nothing is stored on a server unless explicitly noted.
Category: Photography & Video. Browse more Photography & Video tools.