You haven't lost any gas, as the gassed section is at either ends of the scope between the double sets of lenses...put it back together and focus the reticle by turning the rubber bit at the eyepiece...
Type: Posts; User: Hindquarters
You haven't lost any gas, as the gassed section is at either ends of the scope between the double sets of lenses...put it back together and focus the reticle by turning the rubber bit at the eyepiece...