Knowledge Centre

Individually marked vs batch produced focus scales

Why do True Lens services prefer to individually mark each lens? Find out in this weeks Knowledge Centre article the advantages and disadvantages of individually marked and batch produced focus scale lenses.

Is the optical unit serviced during rehousing?

Yes, the optical unit will be serviced during the rehousing process of any lens as standard. Find out how and why.

Are lenses assessed before the work begins?

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

What is oil migration?

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.