How to use Affinity Photo as an External editor for Lightroom

I briefly covered Affinity Photo in a previous post, and it is an excellent Photoshop alternative. I've been using it more and more lately, and that includes using it in conjunction with Lightroom as an external editor. This is pretty easy to set up but there are a few limitations unfortunately. However, there are significant advantages to using the software in lieu of Photoshop. In this post I'll show you how to set up Affinity Photo to work as an external editor, and I'll discuss some of the limitations and advantages of using Affinity Photo with Lightroom.