I've got a Krypton 2 FGX50 and have had terrible 'zero' problems. I'm using the Krypton adaptor and I'm sure that's part of the problem. I find it really hard to get it back on my Swaro Z6i in exactly the same place; I don't want to leave it on permanently because I like using glass in daytime and the adaptor diameter is so small. Do you prefer the Rusan to Smartclip? They both appear to be superior to the Pulsar adaptor.
Also, 2 probably stupid questions about the 'zeroing ' process:
1. if the scope is zeroed at 100m do I need to do the 'thermal zeroing' at 100m also, or if it's just...