![This beautiful pattern found in a old camera lens is a phenomenon called balsam separation. Some lens elements are glued together with canada balm, which is a kind of totally transparent glue. This beautiful pattern found in a old camera lens is a phenomenon called balsam separation. Some lens elements are glued together with canada balm, which is a kind of totally transparent glue.](https://images-cdn.9gag.com/photo/aVw6nQP_700b.jpg)
This beautiful pattern found in a old camera lens is a phenomenon called balsam separation. Some lens elements are glued together with canada balm, which is a kind of totally transparent glue.
![Canon FL 50mm F1.8 II (JT Full Overhaul) 1 - BALSAM SEPARATED - JPY3,000 : Japan-Tool Online Shopping Cart Canon FL 50mm F1.8 II (JT Full Overhaul) 1 - BALSAM SEPARATED - JPY3,000 : Japan-Tool Online Shopping Cart](https://www.japan-tool.com/zc/images/FD50mm1.8-2-02.jpg)
Canon FL 50mm F1.8 II (JT Full Overhaul) 1 - BALSAM SEPARATED - JPY3,000 : Japan-Tool Online Shopping Cart
![Asahi Pentax-M 50mm f1.4 Lens Haze with Balsam Separation Suspected, Repairing... - PentaxForums.com Asahi Pentax-M 50mm f1.4 Lens Haze with Balsam Separation Suspected, Repairing... - PentaxForums.com](https://www.pentaxforums.com/forums/attachments/10-pentax-slr-lens-discussion/363690d1500882413-asahi-pentax-m-50mm-f1-4-lens-haze-balsam-separation-suspected-repairing-img_20170722_112342.jpg)
Asahi Pentax-M 50mm f1.4 Lens Haze with Balsam Separation Suspected, Repairing... - PentaxForums.com
![Asahi Pentax-M 50mm f1.4 Lens Haze with Balsam Separation Suspected, Repairing... - PentaxForums.com Asahi Pentax-M 50mm f1.4 Lens Haze with Balsam Separation Suspected, Repairing... - PentaxForums.com](https://www.pentaxforums.com/forums/attachments/10-pentax-slr-lens-discussion/363689d1500882413-asahi-pentax-m-50mm-f1-4-lens-haze-balsam-separation-suspected-repairing-img_20170722_112210.jpg)
Asahi Pentax-M 50mm f1.4 Lens Haze with Balsam Separation Suspected, Repairing... - PentaxForums.com
![What is this haze on my lens? Is it repairable? Its not fungus- my gut says balsam separation : r/AnalogCommunity What is this haze on my lens? Is it repairable? Its not fungus- my gut says balsam separation : r/AnalogCommunity](https://i.redd.it/27emo29dnnc51.jpg)