I found this post very helpful lenses bezels etc compared Many thanks to lilkevin715 for the effort put into the review.
For what it’s worth I ended up buying the Kaidomain AR Lenses 28mm x 2.0mm as best value for me. They are supplied in a air-lite packet wrapped individually in bubble wrap then taped on each side so you can drop them into the Solarforce host easily without touching the lens at all. I’ve replaced the standar lenses on all my Solarforce heads/bezels.