4Th Lens Group Alignment; Lens Optical Alignment Equipment For Center And Periphery - Nikon ED 17-55mm f/2.8G IF Repair Manual

4th Lens group alignment

Note: This adjustment is required when the 4th lens groups is removed.
(1) Preparation of Lens optical alignment equipment
・ Fix the attachment holder for 4th lens group (J19127L) in the lens equipment for periphery alignment.
How to fix: Move down the holder-moving lever slowly so that the holder touches the stage. Then tighten 4
screws to fix it.
Holder-moving lever
・ Create the center positioning tool (ref. Page42-13 for how to create it).
・ Create cardboards in which "Lens alignment chart" and "Viewers" are fit. (ref. Page 42-15 for how to create
them.)
・As for AF-S17-55/2.8G, the below equipment for center (left) is NOT used.
Additional page
Move down slowly.
- L42-2･ AF-S 17-55/2.8G -
INC
JAA78851-R.3617.A
November. 4. 2004