Knowledge Centre

Case Studies

Edge-blacking

Edge-blacking, why it matters

What is edge-blacking and why does it matter. Find out all you need to know about edge-blacking in this weeks article.

Read more icon circleicon circle
Separating and re-cementing elements

Separating and re-cementing elements

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

Read more icon circleicon circle

What is a floating element optical design?

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.

Read more icon circleicon circle
Shipping your lenses

Shipping to TLS from abroad

Find out all you need to know about how to ship your lens to us, when you are shipping from outside of the UK.

Read more icon circleicon circle
Cooke Speed Panchro 75mm series II

How to de-yellow vintage optics

What is yellowing of the lens or a 'warm lens'? Read on to learn about the yellowing and de-yellowing process.

Read more icon circleicon circle
How much does a lens rehousing cost?

How much does a lens rehousing cost?

An article to explain how much does a lens rehousing actually costs. What is the process and how is the pricing determined.

Read more icon circleicon circle
'To inspire through innovation, passion and quality'
'To inspire through innovation, passion and quality'