Hi all, After some feedback on Meade lightbridge 12', am looking at my next scope. This will progress me from an 8' which in turn had progressed from a 4'. Have read other threads concering apature and will be going 12 for my next scope. I am happy with a dob as my 8 is on a mount and tracking. One question is with the truss design does dew become more of a problem and will a shoud protect the mirror from moisture while observing? Any other comments about this scope welcome, positive or negitive. Thank All