I purchased Lightroom 6 and have installed it on mu PC. while working on a photo i wnt to dehaze but there is no slider. i have set the process under camera calibration to 2012 (current) and still no sider dor the dehaze deature, can anyone please tell me why?
The Dehaze feature is not a part of Lightroom 6, it only comes with Lightroom Creative Cloud.
However for the workaround you may try : https://cutthruthefog.wordpress.com/lightroom-6-dehaze/