Thread: VX3i CDS scope advice please

I bought a VXIII 4.5 - 14 with the SOD off a forum member in very good condition at a very good price. It is very clear - bullet holes are easy to see on targets. The field of view seems small on 4.5, I got a fright when it arrived and then compared it to other scopes I have and found it is actually much the same.
I could do with some advice on setting it up. I fitted it to a Chamois laser which has been resting in the safe. Bore sited it, then found that I couldn't screw it down on the SOD and it shot 6" high. After a lot of fluffing round trying to remove the SOD I got a 50 thou allen key which is a very odd size and took it off and put the original adjuster back on. I have been able to adjust the scope down and put the rifle dead-on at 100mtrs.
So now I am wondering what is the best way to set up the SOD ? Do I sight in at 200 or leave it Dead-on at 100 and dial. What is the best way to use it ?