but you could (somehow, i'm no genius here) not have the lens held in by the pressure of the facia on the case. A new design could avoid this by having the lens clip into the facia, avoiding having to drill out the back of the facia and having rubbing marks on the lens itself.
might work, might not. Just a thought.
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-- Murray I What part of 'no' don't you understand? Is it the 'N', or the 'Zero'?