Is there a way to make a 18" lens fit?

Lasers
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1

Is there a way to make a 18" lens fit? Can’t get the light object air assist adapter here in the UK.

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2

Actually, it looks like you can—from eBay.https://m.ebay.co.uk/itm/K40-Laser-Engraver-Lightobject-18mm-Laser-Head-w-air-assist-mount/253570733848?hash=item3b09fe5718:g:7WgAAOSwOZpa2B0a