pentaxpete
I got out my Ensign Selfix folders and checked lenses with a torch ( 'Flash-Light' in American -- although it does not flash as the light is on all the time !! )
I saw bad 'hazing' in the lens of my Selfix 420 6x9 format so I had a go to undo the rear element and it unscrewed fairly easily so I could get to the inside element with lens fluid and lens cloth and now have a Haze-Free lens on that -- so I did the same with my two Selfix 16/20 Model I with the 75mm f4.5 Ensar lenses and my 12/20 with the 75mm f3.5 Ross Xpres lens --- a great difference in the clarity of the glass !
I saw bad 'hazing' in the lens of my Selfix 420 6x9 format so I had a go to undo the rear element and it unscrewed fairly easily so I could get to the inside element with lens fluid and lens cloth and now have a Haze-Free lens on that -- so I did the same with my two Selfix 16/20 Model I with the 75mm f4.5 Ensar lenses and my 12/20 with the 75mm f3.5 Ross Xpres lens --- a great difference in the clarity of the glass !