Sorted lads just got back in
and what a difference
turned the brightness down to 2 , done what was suggested RESULT
dopie git I am couldn't see fuc all till I pressed my eye tight on the rubber at he back
what a difference
didn't get nowt ' tho I zeroed the 17 at 100 bang on the Penny
then put the unit on and kept missing , next time I'm out I'll zero with the pard on the back
thanks lads
Dave