*Slightly Imperfect* Spinning Base - 100mm Glass Concave Lens - Pack of Two

Pack of two 100mm double concave fused silica glass optical lenses, slightly fogged inside, suitable for tabletop use.

• The description claims the lenses are 'almost perfect' but may have slight imperfections.
• The lenses are precision machined and harder and more durable than most.
• The lenses are frosted and polished.