Enhanced Double Concave 🔍 Lens with Optimum Edges Thickness Review

It seems simple but I ordered 2 and both have at least 2 small chips around the edges. I hoped they could be naked and beautiful. Ruthless is still good.

I use this to spin my Foreverspin tops it's more concave than the first and the latest Foreverspin bases make them great for training stable spin they are great and i have ordered them many more for other rops.

This is the perfect glass surface for spinning high power gyros. I recommend this particular lens because the curvature is the correct amount of curvature needed for a rotating surface. I was looking at an Eisco Labs double concave glass lens, 75mm with a 50cm focal length, and it was too "flat" to really matter for gyros. The shorter the focal length of a concave lens, the more curvature you have. Also, this lens is polished while other lenses I've seen are polished. So if you're looking for a