Quote Originally Posted by Reinhold View Post
Aperture rings are held on with a Haagen-Dazs ice cream carton rim.
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Reinhold

www.classicBWphoto.com
This is exactly what I'm talking about! Pure innovation. No need to stalk the plumbing aisles at the hardware store when we can reuse/recycle from our own trash.

Every once in awhile I hear mention of Alexander McKay, who ground his own lenses out of the bottoms of whiskey bottles. (of course, in my case it would mean changing brands, but I might be willing to make a sacrifice... )