Folks, I realise there's lots of posts on increasing the magnification, which involves a small bit of surgery to the unit, however could any kind soul on here provide a step by step idiots guide on where to get a doubler,  and how to fit it. The warranty is gone on my unit, so happy to now fit a doubler. Also feedback on anyone who's done it would be appreciated. I really love the Photon,  it's incredible with an NM 800, but could do with more mag I feel.    Also, I'm moving the P