This section restricted to Duclos Staff users.

Service Manual: Disassembly/Re-assembly
Screws: Zeiss

Full CLA: 5-6 hrs.
Spray and bake threads (teflon coating): +1 hr
re-anodize front ring: $50 (anodizing cost) + 5-6 hrs to access front ring.
to access front ring for anodizing, lens must be fully dis-assembled. a full CLA is required
Replace front or rear element (not mounted) only: 1 hr. ea.
Strip and re-paint rear housing: +1 hr if getting other service work or 2 hrs if no other service is included.
close focus mod: 1 hr
Offered for: 16mm, 24mm, 32mm T2.1 only to achieve 3 full focus rotations.
cannot offer this for other focal lengths because the focus threads will be exposed and cannot achieve enough rotations.
Not normally offered unless specifically requested: 40mm can achieve additional 1/2 rotation only before exposing focus threads. requires installation of additional stop pin in focus ring for hard stop.
Non-OEM focus scales: see P/N 38211222, possibly available, check with Paul before quoting.
non-OEM, reverse engineered but copied original design to best match lens.
…end of Staff section