This months article explains what happens at the very first initial stage, when you send your lenses in to us. It also explains our 'Lens Assessment' service between seller and buyer.

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Typically, oil migration usually happens over time and can cause devastating results, but, what is oil migration and what can be done if this happens to your lens. Read here all about oil migration.

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Find out all you need to know when the cement within the doublet of your lens is starting to deteriorate.

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What are floating elements? How are elements floating within the mechanical system? Read on to find out all there is to know about floating elements in this article.

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