Nikon Fisheye Nikkor 8 mm f/ 2.8 Lens 服务手册

JAA78151-R.3584.A

- L39 ･ AF-S VR 70-200/2.8G -

　③

 Mount the optical parallel （J15380-2） to the measuring stand（J18037）.  

　④

 Fine adjust the position of the auto-collimeter to adjust the optical axis to the measuring stand.  

　

《

ref.》

　

The optical axis adjustment is possible by using the parallel glass or parallel mirror, etc, in place of J18037.  

J15380-2

J18037

Auto-collimeter

　⑤

 Mount the rear lens unit to the measuring stand (J15380-2) and put the parallel glass to the end of the rear lens unit.  

　※

 The G1 lens for telephoto lens, e.g. AF-S300mm, etc, can be used as parallel glass.

Parallel glass

Mirror tool cross line

Parallel glass cross line

⑥

 As shown in the left, measure a gap between the

　 

cross line of the mirror tool and that of the paralle

　 

glass.  

rear lens unit

INC