Below is my test of the G7 unit.
I will also add if you are thinking Swaro 8x30, I have owned 5 and tested many. I would go with the Leica 1600 CRF if it were my choice over the Swaro. The lieca has a better display, much more precise beam, smaller aiming reticle, and is less money.
My Field Test of The G7-BR2 Rangefinder