Excellent to have a leveller. TBH I just leave my STAC on x10 and crack on from say 30 - 250m Using the occasional a single nudging the 300 mark ( in ideal conditions, and if I am able to’t reach it or it to me). 5x foundation magnification, the https://autoparts75297.wizzardsblog.com/30982495/arken-dnt-tnc225r-no-further-a-mystery