This section restricted to Duclos Staff users.

Service Manual: Disassembly/Re-assembly
Screws: ZEISS
PL Mount Cone Sizes: ZEISS PL Cone

Full CLA: 5-6 hrs.
Spray and bake threads (teflon coating): +1 hr
re-anodize Strip and re-paint front ring: 1 hr + 5-6 hrs to access front ring.
to access front ring for anodizing, lens must be fully dis-assembled. a full CLA is required. Front ring is not separate form the chassis. Cannot anodize without affecting the focus and iris threads. Offer to repaint instead.
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.

Accessories
Iris gear (delrin): Use 3.156 O.D. x 0.20“ thick
Cut to: (stepped)
ID #1: 2.800”
ID #2: 2.900“ x 0.085” deep
…end of Staff section