yes that's the one I have and it is excellentI think you mean the back of the scope.
The pard and sytong are great bits of kit.
Like everything, it depends on how much you want to pay. Thermal is waaaaaaay expensive.
I have a Zulus on my air rifle for shooting the rats out in the wood shed.
This is ideal, mixture of nv and thermal. https://www.blackwoodoutdoors.co.uk/product/dnt-zulus-lrf-zhd312r-3-12x-hd-digital-scope/


