Originally Posted by
Clive Noble
Ahh, it is possible to fit original welded screws when the Rx increases, true the lens will be thicker but just apply a bit of your woodwork knowledge.
Drill a 1.2 or 1.4mm (whichever is applicable for the screw) hole through the lens in the right position; then with a drill bit (suitable for wood) of similar diameter to the metal washer you have, just countersink a couple of millimeters into the lens, enough to get the washer and bolt onto the screw.
The finish looks great because there is usually nothing protruding from the back of the lens.
I've done this many many times and it works.
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