The logo for <a href="https://en.wikipedia.org/wiki/AC_Lens" class="extiw" title="w:AC Lens">AC Lens</a>.
AC Lens
<a rel="nofollow" class="external free" href="https://www.aclens.com/Sites/ACLens/Assets/images/ac-lens-flat-vf9c88dc894869cb4543bb80bb924c51d.svg">https://www.aclens.com/Sites/ACLens/Assets/images/ac-lens-flat-vf9c88dc894869cb4543bb80bb924c51d.svg</a>