JENOPTIK manufactures lens assemblies in 12 - 20 weeks depending on the specific requirements. The attached 20 week schedule details the timeline and typical steps in a custom project on a comfortable schedule.
Typically JOS, Inc. does not use test plates in manufaucture. Most often radius is measured interferometricly on the manufacturing floor which minimizes tooling costs and lead times. We do have extensive inventory of test plates which are used when beneficial.