BartonHDR
A single-image HDR of the inside of Steeple Barton parish church, Oxfordshire. Made by merging a high-key and a low-key version, according to the average greyscale level. Software written by me. RGB for each pixel; LowKey.k + HighKey.(1 - k) where k is the normalised pixel luminance, so that 0 &lt;= k &lt;= 1  
church nikon oxfordshire hdr steeplebarton d7100 specialtechniques