Mr Trevor Southam Profile Topics Started Replies Created Engagements Favourites Search replies: Forum Replies Created Viewing 1 post (of 1 total) Author Posts 28 October 2016 at 10:44 am in reply to: Cleaning C14 Corrector lens #577558 Mr Trevor SouthamParticipant Hi Eric I would be very careful about using washing up liquid as it contains salt, de-ionised water still contains impurities and can leave streaks. Regards Trevor Author Posts Viewing 1 post (of 1 total)