The 5DMKIII has in-camera lens correction capability. In my case I have made certain the profiles are loaded for the 24-105mm F4 and the 50mm 1.8 lens.Adobe LR version 4 has the option in the 'Develop' mode to use 'Lens Correction' for distortion and...
Thanks for the comment/recommendation. Since LR is all about 'presets' that automatically perform desired repetitive actions I just need to determine whether to include the LR lens correction in the preset or not... will run some tests as you suggest...