Verdict: 4.5 stars PhotoLab 6 has important improvements over version 5 which make it even better for quality fixated photographers. The PhotoLibrary organizing tools are catching up at last and the new DeepPRIME XD processing is superb. Add in the excellent editing tools and local adjustments, and you have perhaps the best RAW processor of all.
Barrel distortion
This is where straight lines near the edge of the picture appear to bow outwards, and you see this a lot with zoom lenses at their wideangle setting. It’s most noticeable if the horizon is near the top or bottom of the picture. Barrel distortion is very difficult to eradicate completely from the lens design, but it can be fixed using software, and some cameras now have distortion correction built in. It’s one of a number of common lens aberrations. Telephoto lenses often show the opposite effect, ‘pincushion distortion’.
Volume distortion: this is what it looks like and this tool can fix it
Volume distortion (or volumetric distortion) is not a familiar term to most photographers, but it’s what makes ultra-wide shots look distorted at the edges, and it can be fixed… by the right software.
Lens aberrations and what you can do about them
Aberrations, or optical imperfections, exist because no lens is optically perfect. Almost all lenses show aberrations from the ‘perfect’ image.
BAN adjustments in Lightroom (BAN – Basic And Necessary!)
There are a handful of basic tweaks you just know you’re going to want to apply to each image.