Double Concave/ Biconcave lens.

These are high quality, double concave / biconcave lenses, with optically polished faces and ground edges.

The lenses provide a wealth of opportunities for light and optics experiments.

Ideal for lighting projects, scientific, Lab/Classroom experiment, projection, optical experiments, DIY Lighting projects, demonstrating optical principles.

The lenses are available in 50mm diameter with focal length of 50mm, 100mm, 150mm, 200mm, 500mm and 1000mm.

Also available in 38mm diameter with focal length of 50mm 100mm 150mm 200mm 500mm and 1000mm (please see our outher listing).

We also supply a range of Convex lenses, Meniscus lenses, First Surface Mirrors and Camera Obscura Kits.

Pieces are individually wrapped to protect the integrity of the lens.

I always get proof of postage, so claims for undelivered items are always possible.

Contact

In the event there is difficulty with your order, please email via eBay prior to leaving negative feedback.

Returns and Refunds

Returns will only be accepted for items that are incorrect, Damaged or not as described. Only the cost of the item will be refunded not the postage, and the return shipping cost will be met by the sender.

Amazing Camera Obscura