Welcome to CLeW Grade, a professional cinema lens grading service provided by Duclos Lenses. CLeW Grade offers a formal evaluation of your lenses by assessing assessing a range of conditions to provide a professional, reliable grade. With the longstanding industry reputation and expertise of Duclos Lenses, CLeW Grade ensures that each lens is meticulously inspected, giving you and others confidence in its quality and value. When it comes to lens investments don't take chances on obscure, unqualified listings. Trust CLeW Grade.

BETA

CLeW Grade is currently in beta.

How it works

STEP 1 - Receiving

Get your lenses to us using our Equipment Intake Form. Our staff will carefully receive your lenses and process them for inspection.

STEP 2 - Inspection

Our team of talented, dedicated lens technicians will inspect each lens to provide an accurate, reliable grade. Learn more about our process.

STEP 3 - Certification

Once the inspection is complete and your lens has been graded, you can search the Certificate Database using the lens Serial Number.

Grading scale

Each lens is assigned a grade that ranges from 1 to 10 as well as a prefix of S, M, or R to designate it's integrity. Learn more about the details of the grading scale here.

CLeW Grade FAQ

What is CLeW Grade?

CLeW Grade by Duclos Lenses offers a formal, professional evaluation of cinema lenses, assessing their condition to ensure quality and reliability, backed by industry-leading expertise.

Why do I need my lenses graded?

Having your lenses graded ensures that their condition, performance, and value are professionally assessed, providing confidence in their quality. This is especially important when buying, selling, or maintaining.

How do I get my grade information?

After your lens has been graded, you can access our Certificate Database by entering the serial number to view the grade details.