lensfun: lensfun (photographic lens info database)
lensfun:
lensfun: lensfun is a library that provide a open source database of 
lensfun: photographic lenses and their characteristics also provides a set of
lensfun: algorithms for correcting images based on detailed knowledge of lens
lensfun: properties and calibration data. 
lensfun:
lensfun: Homepage: http://lensfun.sourceforge.net
lensfun:
lensfun:
lensfun: