SC, I haven't been on here for too long so that is why the late reply. I have the VX-R 4x14 30mm w/the circle dot. Used it in Maine in March and love it. Have others but like this one the best. Start w/ lowest Ill. power and it will go out when you don't move the rifle. goes on when you do and doesn't wash any thing out. Tiny dot and it is great. VX-6 dot looks the same. SWFA site will show them all to you. If you have a particular ? just ask. Dick